:root {
    /* Brand Color: #624E9A */
    --primary: #624E9A;
    --primary-tint-10: #7260A4;
    --primary-tint-20: #8171AE;
    --primary-tint-30: #9183B8;
    --primary-tint-40: #A195C2;
    --primary-tint-50: #B1A7CD;
    --primary-tint-60: #C0B8D7;
    --primary-tint-70: #D0CAE1;
    --primary-tint-80: #E0DCEB;
    --primary-tint-90: #EFEDF5;
    --primary-shade-10: #58468B;
    --primary-shade-20: #4E3E7B;
    --primary-shade-30: #45376C;
    --primary-shade-40: #3B2F5C;
    --primary-shade-50: #31274D;
    --primary-shade-60: #271F3E;
    --primary-shade-70: #1D172E;
    --primary-shade-80: #14101F;
    --primary-shade-90: #0A080F;

    /* MD3 Color Tokens - Light */
    --md-sys-color-primary: #6650a4;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-primary-container: #e8ddff;
    --md-sys-color-on-primary-container: #22005d;
    --md-sys-color-secondary: #615b71;
    --md-sys-color-on-secondary: #ffffff;
    --md-sys-color-secondary-container: #e8def8;
    --md-sys-color-on-secondary-container: #1e192b;
    --md-sys-color-tertiary: #7d5260;
    --md-sys-color-on-tertiary: #ffffff;
    --md-sys-color-tertiary-container: #ffd9e3;
    --md-sys-color-on-tertiary-container: #31101d;
    --md-sys-color-error: #ba1a1a;
    --md-sys-color-on-error: #ffffff;
    --md-sys-color-error-container: #ffdad6;
    --md-sys-color-on-error-container: #410002;
    --md-sys-color-background: #fffbff;
    --md-sys-color-on-background: #1c1b1e;
    --md-sys-color-surface: #fffbff;
    --md-sys-color-on-surface: #1c1b1e;
    --md-sys-color-surface-variant: #e7e0ec;
    --md-sys-color-on-surface-variant: #49454e;
    --md-sys-color-outline: #7a757f;
    --md-sys-color-outline-variant: #cac4cf;
    --md-sys-color-inverse-surface: #313033;
    --md-sys-color-inverse-on-surface: #f4eff4;
    --md-sys-color-inverse-primary: #cfbdff;
    --md-sys-color-shadow: rgba(0, 0, 0, 0.05);
    --md-sys-color-surface-container-low: #f7f2fa;
    --md-sys-color-surface-container: #f3edf7;
    --md-sys-color-surface-container-high: #ece6f0;
    --md-sys-color-surface-container-highest: #e6e0e9;

    /* MD3 Typography */
    --md-sys-typescale-headline-medium-font: 'Roboto Slab', serif;
    --md-sys-typescale-headline-medium-size: 1.75rem;
    --md-sys-typescale-title-medium-font: 'Roboto', sans-serif;
    --md-sys-typescale-title-medium-size: 1.25rem;
    --md-sys-typescale-body-medium-font: 'Roboto', sans-serif;
    --md-sys-typescale-body-medium-size: 0.875rem;

    /* MD3 Shapes */
    --md-sys-shape-corner-extra-large: 28px;
    --md-sys-shape-corner-medium: 12px;
    --md-sys-shape-corner-full: 999px;

    /* Spacing */
    --spacing-xs: 4px;
    --spacing-s: 8px;
    --spacing-m: 16px;
    --spacing-l: 24px;
    --spacing-xl: 32px;

    /* Transitions */
    --transition-standard: 200ms cubic-bezier(0.2, 0, 0, 1);
}

.dark-mode {
    /* Brand-derived fallback; applyColorTheme() refreshes the full scheme at runtime. */
    --md-sys-color-primary: #CFBDFF;
    --md-sys-color-on-primary: #361F6C;
    --md-sys-color-primary-container: #4D3789;
    --md-sys-color-on-primary-container: #E8DDFF;
    --md-sys-color-secondary: #CCC2DC;
    --md-sys-color-on-secondary: #332D41;
    --md-sys-color-tertiary: #EFB8C8;
    --md-sys-color-surface: #121212;
    --md-sys-color-on-surface: #E0E0E0;
    --md-sys-color-surface-variant: #1E1E1E;
    --md-sys-color-on-surface-variant: #E0E0E0;
    --md-sys-color-outline: #666666;
    --md-sys-color-outline-variant: #333333;
    --md-sys-color-shadow: rgba(0, 0, 0, 0.8);
    --md-sys-color-secondary-container: #2A2A2A;
    --md-sys-color-on-secondary-container: #E0E0E0;
    --md-sys-color-surface-container-low: #141414;
    --md-sys-color-surface-container: #181818;
    --md-sys-color-surface-container-high: #242424;
    --md-sys-color-surface-container-highest: #2C2C2C;
}

/* Fix blending issues in dark mode */
.dark-mode .card,
.dark-mode .hex-wrapper,
.dark-mode .mixer-item input,
.dark-mode .cb-item {
    border: 1px solid rgba(255, 255, 255, 0.1);
}


* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

button,
input,
select,
textarea {
    font-family: inherit;
}

body {
    background-color: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    font-family: var(--md-sys-typescale-body-medium-font);
    line-height: 1.5;
    transition: background-color var(--transition-standard), color var(--transition-standard);
    min-height: 100vh;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -1;
    background: radial-gradient(circle at 50% 0%, var(--gradient-color-1, transparent) 0%, transparent 60%),
        radial-gradient(circle at 0% 100%, var(--gradient-color-2, transparent) 0%, transparent 70%),
        radial-gradient(circle at 100% 100%, var(--gradient-color-3, transparent) 0%, transparent 70%);
    opacity: 0.25;
    transition: background 0.8s ease-out;
    pointer-events: none;
}

/* Typography */
h1,
.headline-medium {
    font-family: 'Roboto Slab', serif !important;
}

h2,
h3,
h4,
h5,
h6,
.title-medium {
    font-family: 'Roboto', sans-serif !important;
}

.headline-medium {
    font-size: var(--md-sys-typescale-headline-medium-size);
    font-weight: 500;
}

.title-medium {
    font-size: var(--md-sys-typescale-title-medium-size);
    font-weight: 500;
    margin-bottom: var(--spacing-m);
}

.label-large {
    font-weight: 500;
    font-size: 0.875rem;
}

.label-small {
    font-weight: 500;
    font-size: 0.75rem;
    opacity: 0.8;
}

/* Top App Bar */
.top-app-bar {
    height: 64px;
    background-color: color-mix(in srgb, var(--md-sys-color-surface) 80%, transparent);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    position: sticky;
    top: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    padding: 0 var(--spacing-m);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.header-content {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.app-bar-actions {
    display: flex;
    gap: var(--spacing-s);
    align-items: center;
}

/* Dropdown Menu */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    right: 0;
    margin-top: 8px;
    background-color: var(--md-sys-color-surface-container-highest);
    border-radius: var(--md-sys-shape-corner-medium);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    min-width: 180px;
    padding: 8px 0;
    display: none;
    z-index: 2000;
    animation: menuFadeIn 0.2s ease-out;
    border: 1px solid var(--md-sys-color-outline-variant);
    overflow: hidden;
}

.dropdown-menu.show {
    display: block;
}

@keyframes menuFadeIn {
    from {
        opacity: 0;
        transform: translateY(-8px) scale(0.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.menu-item {
    width: 100%;
    padding: 12px 20px;
    border: none;
    background: none;
    text-align: left;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--md-sys-color-on-surface);
    display: flex;
    align-items: center;
    gap: 12px;
    transition: background-color 0.15s;
    letter-spacing: 0.02em;
}

.menu-item:hover {
    background-color: var(--md-sys-color-surface-variant);
}

.menu-item.active {
    color: var(--md-sys-color-primary);
    font-weight: 600;
    background-color: var(--md-sys-color-primary-container);
}

.menu-item.active::before {
    content: '✓';
    font-size: 0.8rem;
    flex-shrink: 0;
    width: 16px;
}

.menu-item:not(.active)::before {
    content: '';
    width: 16px;
    flex-shrink: 0;
}

/* Main Layout & Pages */
.main-container {
    transition: margin-left var(--transition-standard);
    max-width: 1600px;
    margin: 0 auto;
}

.home-grid {
    display: grid;
    grid-template-columns: 350px 1fr 350px;
    gap: var(--spacing-l);
    padding: var(--spacing-l);
    align-items: start;
}

.page {
    display: none;
    padding: var(--spacing-l);
    animation: fadeInPage 0.3s ease-out;
}

.page.active {
    display: block;
}

@keyframes fadeInPage {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 1280px) {
    .home-grid {
        grid-template-columns: 350px 1fr;
    }

    #col-discovery {
        grid-column: span 2;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-l);
    }
}

@media (max-width: 900px) {
    .home-grid {
        grid-template-columns: 1fr;
    }

    #col-discovery {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }
}

/* Cards */
.card {
    border-radius: var(--md-sys-shape-corner-extra-large);
    padding: var(--spacing-l);
    height: fit-content;
    transition: transform var(--transition-standard), box-shadow var(--transition-standard);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.card-filled {
    background-color: var(--md-sys-color-surface-variant);
    color: var(--md-sys-color-on-surface-variant);
}

.card-outlined {
    border: 1px solid var(--md-sys-color-outline);
}

.card-elevated {
    background-color: var(--md-sys-color-surface);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
}

.card-tonal {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}

/* Column 1 Specifics */
.color-input-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-m);
    margin-bottom: var(--spacing-l);
}

.main-preview {
    width: 100%;
    height: 120px;
    background-color: var(--md-sys-color-primary);
    box-shadow: inset 0 0 0 1px rgba(0, 0, 0, 0.1);
    transition: background-color var(--transition-standard);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.copy-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.45);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    opacity: 0;
    transition: opacity var(--transition-standard);
    font-weight: 500;
    font-size: 0.9rem;
    pointer-events: none;
}

.main-preview:hover .copy-overlay {
    opacity: 1;
}

.color-name-overlay {
    background: rgba(0, 0, 0, 0.4);
    color: white;
    padding: 4px 12px;
    border-radius: var(--md-sys-shape-corner-full);
    font-size: 0.75rem;
    font-weight: 500;
    backdrop-filter: blur(4px);
    pointer-events: none;
}

.input-group {
    width: 100%;
}

.hex-wrapper {
    display: flex;
    align-items: center;
    background: var(--md-sys-color-surface);
    border: 1px solid var(--md-sys-color-outline);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: var(--spacing-s) var(--spacing-m);
    gap: var(--spacing-xs);
    margin-top: var(--spacing-xs);
    position: relative;
}

.hex-wrapper input[type="text"] {
    background: transparent;
    border: none;
    outline: none;
    color: var(--md-sys-color-on-surface);
    font-family: 'Roboto Mono', monospace;
    font-size: 1.25rem;
    width: calc(100% - 40px);
}

.hex-wrapper input[type="color"] {
    position: absolute;
    right: 8px;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    background: transparent;
}

/* Mixer Styles */
.mixer-row {
    display: flex;
    gap: var(--spacing-s);
}

.mixer-item {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.mixer-item input {
    width: 100%;
    background: var(--md-sys-color-surface);
    color: var(--md-sys-color-on-surface);
    border: 1px solid var(--md-sys-color-outline);
    border-radius: 8px;
    padding: 6px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.9rem;
    text-align: center;
}

.label-tiny {
    font-size: 10px;
    font-weight: 700;
    opacity: 0.7;
    text-align: center;
}

/* UI Samples */
.ui-samples-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-m);
}

.ui-sample-item {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.sample-btn-primary {
    background-color: var(--md-sys-color-primary);
    color: white;
    border: none;
    padding: 10px;
    border-radius: 20px;
    font-weight: 500;
}

.sample-btn-outline {
    background-color: transparent;
    color: var(--md-sys-color-primary);
    border: 1px solid var(--md-sys-color-primary);
    padding: 10px;
    border-radius: 20px;
    font-weight: 500;
}

.sample-card {
    background-color: var(--md-sys-color-surface-container-low);
    border: 1px solid var(--md-sys-color-outline);
    border-radius: 12px;
    padding: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sample-dot {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--md-sys-color-primary);
}

.sample-text {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--md-sys-color-primary);
}

/* Color Blindness Grid */
.cb-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-s);
}

.cb-item {
    background: var(--md-sys-color-surface);
    padding: 8px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cb-preview {
    height: 40px;
    border-radius: 6px;
}

/* Code Outputs */
.code-outputs {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-s);
}

.code-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: var(--spacing-s) var(--spacing-m);
    display: flex;
    flex-direction: column;
}

.code-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

code {
    font-family: 'Roboto Mono', monospace;
    font-size: 1rem;
}

/* Buttons */
.icon-button {
    width: 48px;
    height: 48px;
    border-radius: var(--md-sys-shape-corner-full);
    border: none;
    background: transparent;
    color: var(--md-sys-color-on-surface);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-standard);
}

.icon-button:hover {
    background-color: rgba(103, 80, 164, 0.08);
}

.small-btn {
    width: 32px;
    height: 32px;
}

/* Variations (Column 2) */
.variation-section {
    margin-bottom: var(--spacing-xl);
}

.variation-section:last-child {
    margin-bottom: 0;
}

.color-row-scroll {
    display: flex;
    gap: var(--spacing-s);
    overflow-x: auto;
    padding: var(--spacing-s) 2px;
    padding-bottom: var(--spacing-m);
    scrollbar-width: thin;
    scrollbar-color: var(--md-sys-color-outline) transparent;
    cursor: grab;
}

.color-row-scroll:active {
    cursor: grabbing;
}

/* Webkit scrollbar (Chrome, Edge, Safari) */
.color-row-scroll::-webkit-scrollbar {
    height: 6px;
    display: block;
}

.color-row-scroll::-webkit-scrollbar-track {
    background: var(--md-sys-color-surface-variant);
    border-radius: 999px;
    margin: 0 4px;
}

.color-row-scroll::-webkit-scrollbar-thumb {
    background-color: var(--md-sys-color-outline);
    border-radius: 999px;
}

.color-row-scroll::-webkit-scrollbar-thumb:hover {
    background-color: var(--md-sys-color-primary);
}

.variant-box {
    flex: 0 0 60px;
    height: 80px;
    border-radius: var(--md-sys-shape-corner-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    padding-bottom: 8px;
    cursor: pointer;
    transition: transform var(--transition-standard);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.variant-box:hover {
    transform: translateY(-4px);
}

.variant-box .label-tiny {
    font-size: 10px;
    font-weight: 700;
}

/* Harmonies (Column 3) */
#harmonies-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-l);
}

.harmony-group {
    background: var(--md-sys-color-surface-variant);
    padding: var(--spacing-m);
    border-radius: var(--md-sys-shape-corner-medium);
}

.harmony-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-s);
}

.harmony-colors {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(50px, 1fr));
    gap: var(--spacing-s);
}

.harmony-box {
    aspect-ratio: 1;
    border-radius: 8px;
    position: relative;
    cursor: pointer;
    transition: transform var(--transition-standard);
}

.harmony-box:hover {
    transform: scale(1.1);
    z-index: 1;
}

/* WCAG Section */
.wcag-section {
    border-top: 1px solid var(--md-sys-color-outline);
    padding-top: var(--spacing-m);
    margin-top: var(--spacing-m);
}

.wcag-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-m);
    margin-top: var(--spacing-s);
}

.wcag-result-row {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
}

.badge {
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
}

.badge-pass {
    background: #4CAF50;
    color: white;
}

.badge-fail {
    background: #F44336;
    color: white;
    opacity: 0.5;
}

/* Modal */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-backdrop.show {
    display: flex;
}

.modal-card {
    background: var(--md-sys-color-surface);
    width: 90%;
    max-width: 600px;
    border-radius: var(--md-sys-shape-corner-extra-large);
    padding: var(--spacing-l);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-m);
}

.modal-tabs {
    display: flex;
    gap: var(--spacing-s);
    margin-bottom: var(--spacing-m);
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    overflow-x: auto;
    overflow-y: hidden;
    scrollbar-width: none;
    /* Hide scrollbar for Firefox */
    -ms-overflow-style: none;
    /* Hide scrollbar for IE/Edge */
    max-width: 100%;
}

.modal-tabs::-webkit-scrollbar {
    display: none;
    /* Hide scrollbar for Chrome/Safari */
}

.tab-btn {
    background: transparent;
    border: none;
    padding: var(--spacing-s) var(--spacing-m);
    cursor: pointer;
    color: var(--md-sys-color-on-surface);
    font-weight: 500;
    position: relative;
    flex-shrink: 0;
    /* Prevent tabs from shrinking/squishing */
    transition: color var(--transition-standard);
}

.tab-btn.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--md-sys-color-primary);
    border-radius: 3px 3px 0 0;
}

.modal-body {
    overflow-y: auto;
    background: var(--md-sys-color-surface-variant);
    border-radius: var(--md-sys-shape-corner-medium);
    padding: var(--spacing-m);
    flex-grow: 1;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

pre {
    margin: 0;
    white-space: pre;
    overflow-x: auto;
    font-family: 'Roboto Mono', monospace;
    font-size: 13px;
}

.modal-footer {
    padding-top: var(--spacing-m);
    display: flex;
    justify-content: flex-end;
}

.button-filled {
    background: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border: none;
    height: 48px;
    padding: 0 var(--spacing-l);
    border-radius: var(--md-sys-shape-corner-full);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-s);
    cursor: pointer;
    font-weight: 500;
    flex-shrink: 0;
}

.button-tonal {
    background: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    border: none;
    height: 48px;
    padding: 0 var(--spacing-l);
    border-radius: var(--md-sys-shape-corner-full);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-s);
    cursor: pointer;
    font-weight: 500;
    transition: background-color var(--transition-standard);
    flex-shrink: 0;
}

.button-tonal:hover {
    background-color: rgba(103, 80, 164, 0.12);
}

.full-width {
    width: 100%;
}

.best-text-preview {
    width: 100%;
    height: 80px;
    border-radius: var(--md-sys-shape-corner-medium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    font-weight: 700;
    margin-top: var(--spacing-s);
    border: 1px solid var(--md-sys-color-outline);
}

.palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--spacing-s);
    margin-top: var(--spacing-s);
}

@media (max-width: 480px) {
    .palette-grid {
        grid-template-columns: repeat(5, 1fr);
        /* Keep 5 for compactness, or 1fr if labels needed */
    }
}

.palette-item {
    aspect-ratio: 1;
    border-radius: var(--md-sys-shape-corner-full);
    cursor: pointer;
    position: relative;
    transition: transform var(--transition-standard);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}

.palette-item:hover {
    transform: scale(1.1);
}

.palette-item .remove-btn {
    position: absolute;
    top: -4px;
    right: -4px;
    width: 16px;
    height: 16px;
    background: #F44336;
    color: white;
    border-radius: 50%;
    font-size: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-standard);
}

.palette-item:hover .remove-btn {
    opacity: 1;
}

.mt-s {
    margin-top: var(--spacing-s);
}

.mt-m {
    margin-top: var(--spacing-m);
}

.mt-l {
    margin-top: var(--spacing-l);
}

.mb-s {
    margin-bottom: var(--spacing-s);
}

.mb-m {
    margin-bottom: var(--spacing-m);
}

.mb-l {
    margin-bottom: var(--spacing-l);
}

.mb-0 {
    margin-bottom: 0 !important;
}

/* Guide Content */
.guide-body {
    padding-right: var(--spacing-m);
}

.guide-section {
    margin-bottom: var(--spacing-l);
}

.guide-section:last-child {
    margin-bottom: 0;
}

.guide-section h3 {
    color: var(--md-sys-color-primary);
    margin-bottom: var(--spacing-s);
}

.guide-list {
    list-style: none;
    margin-top: var(--spacing-s);
}

.guide-list li {
    margin-bottom: 6px;
    font-size: 0.875rem;
}

.guide-list strong {
    color: var(--md-sys-color-on-surface);
}

/* Toast */
.toast {
    position: fixed;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%) translateY(150px);
    opacity: 0;
    pointer-events: none;
    background-color: var(--md-sys-color-on-surface);
    color: var(--md-sys-color-surface);
    padding: var(--spacing-m) var(--spacing-xl);
    border-radius: var(--md-sys-shape-corner-full);
    transition: transform 0.3s ease-out, opacity 0.3s ease-out;
    z-index: 1000;
}

.toast.show {
    transform: translateX(-50%) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

/* Sidebar Styles */
#sidebar {
    position: fixed;
    top: 64px;
    left: -300px;
    width: 300px;
    height: calc(100vh - 64px);
    background: var(--md-sys-color-surface-container-high);
    box-shadow: 4px 0 12px rgba(0, 0, 0, 0.05);
    z-index: 90;
    transition: left var(--transition-standard);
    overflow-y: auto;
    padding: var(--spacing-l);
    display: flex;
    flex-direction: column;
}

#sidebar.open {
    left: 0;
}

.sidebar-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-s);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-m);
    padding: 16px 24px;
    border: none;
    background: transparent;
    border-radius: 100px;
    cursor: pointer;
    color: var(--md-sys-color-on-surface-variant);
    font-size: 1rem;
    font-weight: 500;
    transition: background-color 0.2s, color 0.2s;
    text-align: left;
}

.nav-item:hover {
    background-color: var(--md-sys-color-surface-variant);
    color: var(--md-sys-color-on-surface);
}

.nav-item.active {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
    font-weight: 600;
}

.nav-item.active .material-symbols-outlined,
.nav-item.active .material-symbols-rounded {
    font-variation-settings: 'FILL' 1;
}

.main-container {
    transition: margin-left var(--transition-standard);
}

.main-container.sidebar-active {
    margin-left: 300px;
}

@media (max-width: 1280px) {
    .main-container.sidebar-active {
        margin-left: 0;
    }
}

/* History Styles for Page */
.history-page-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: var(--spacing-m);
}

.history-item {
    aspect-ratio: 1;
    border-radius: var(--md-sys-shape-corner-medium);
    cursor: pointer;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.06);
    transition: transform 0.2s;
    display: flex;
    align-items: flex-end;
    padding: var(--spacing-s);
    position: relative;
    overflow: hidden;
}

.history-item:hover {
    transform: scale(1.05);
}

.history-hex-label {
    background: rgba(0, 0, 0, 0.6);
    color: white;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 0.875rem;
    font-weight: 500;
    backdrop-filter: blur(4px);
    pointer-events: none;
    width: 100%;
    text-align: center;
}

/* Custom Contrast Styles for Page */
.custom-contrast-box.large {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-l);
    align-items: center;
}

.custom-contrast-box.large .contrast-input-group {
    flex: 1;
    background: var(--md-sys-color-surface-container-low);
    padding: var(--spacing-m);
    border-radius: var(--md-sys-shape-corner-medium);
}

.contrast-icon {
    color: var(--md-sys-color-outline);
    transition: color var(--transition-standard), background-color var(--transition-standard);
}

#swap-contrast-btn:hover {
    color: var(--md-sys-color-primary);
    background-color: var(--md-sys-color-surface-container-high);
}

#swap-contrast-btn:active {
    transform: scale(0.9);
}

.contrast-input-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.custom-contrast-preview.large {
    height: 150px;
    border-radius: var(--md-sys-shape-corner-large);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    border: 1px solid var(--md-sys-color-outline);
    margin-bottom: var(--spacing-l);
    text-align: center;
    padding: 0 20px;
    background-color: #FFFFFF;
    /* Ensure fallback colors */
    color: #000000;
}

.wcag-result-card {
    background: var(--md-sys-color-surface-variant);
    padding: var(--spacing-l);
    border-radius: var(--md-sys-shape-corner-medium);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    padding-bottom: var(--spacing-m);
}

.large-badges .badge {
    font-size: 0.875rem;
    padding: 6px 12px;
}

/* Toggle Switch */
.toggle-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-s) 0;
}

.toggle-btn {
    width: 48px;
    height: 24px;
    background: var(--md-sys-color-surface-variant);
    border-radius: 12px;
    position: relative;
    cursor: pointer;
    transition: background 0.2s;
}

.toggle-btn::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 20px;
    height: 20px;
    background: var(--md-sys-color-outline);
    border-radius: 50%;
    transition: left 0.2s, background 0.2s;
}

.toggle-btn.active {
    background: var(--md-sys-color-primary);
}

.toggle-btn.active::after {
    left: 26px;
    background: var(--md-sys-color-on-primary);
}

/* ==========================================================================
   MOBILE & RESPONSIVE OVERRIDES (Material Design 3 Mobile Spec)
   ========================================================================== */

/* Header Title and Logo Layout */
.header-title-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-s);
}

.app-logo {
    width: 32px;
    height: 32px;
    transition: transform 0.3s ease;
}

.app-logo:hover {
    transform: rotate(45deg);
}

/* Base Body Overflow Safeguard */
html,
body {
    overflow-x: clip;
    max-width: 100vw;
}

/* Ensure all flex and grid children don't burst containers */
.column {
    min-width: 0;
    max-width: 100%;
}

/* 1. Sidebar Backdrop Overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(3px);
    z-index: 89;
    /* Just below Sidebar (90) */
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-standard);
}

body.sidebar-open .sidebar-overlay {
    opacity: 1;
    pointer-events: auto;
}

@media (max-width: 900px) {
    #sidebar {
        z-index: 100;
        /* Modal Drawer style overlays everything */
        top: 0;
        height: 100vh;
        width: 280px;
        left: -280px;
        box-shadow: 4px 0 16px rgba(0, 0, 0, 0.08);
    }

    #sidebar.open {
        left: 0;
    }

    .sidebar-overlay {
        z-index: 99;
        /* Shift overlay layer below modal sidebar on tablet/mobile */
    }
}

/* 2. Responsive Breakpoint for Medium Screens (Tablets / Small Desktops) */
@media (max-width: 768px) {
    .home-grid {
        grid-template-columns: 1fr !important;
        padding: 0 !important;
        gap: var(--spacing-m);
        width: 100%;
    }

    /* Custom Contrast Checker - Column to Row stacking */
    .custom-contrast-box.large {
        flex-direction: column;
        align-items: stretch;
        gap: var(--spacing-m);
    }

    .contrast-icon {
        transform: rotate(90deg);
        display: flex;
        justify-content: center;
        margin: var(--spacing-s) 0;
    }

    #swap-contrast-btn:active {
        transform: rotate(90deg) scale(0.9) !important;
    }

    /* UI Prototype Samples Grid - Single Column */
    .ui-samples-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-m);
    }

    /* Color Blindness Simulator Grid - Single Column */
    .cb-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-s);
    }

    /* Page Padding Adjustments */
    .page {
        padding: var(--spacing-m) var(--spacing-s) var(--spacing-l) var(--spacing-s) !important;
        overflow-x: hidden;
    }

    /* Cards Sizing */
    .card {
        padding: var(--spacing-m);
        max-width: 100%;
    }
}

/* 3. Responsive Breakpoint for Extra Small Screens (Mobile Viewports) */
@media (max-width: 600px) {

    /* Top App Bar Sizing */
    .top-app-bar {
        padding: 0 var(--spacing-s);
        height: 56px;
        /* standard mobile top app bar height */
    }

    .header-content {
        height: 56px;
        gap: var(--spacing-xs);
    }

    .top-app-bar #sidebar-toggle-btn {
        width: 40px;
        height: 40px;
    }

    /* MD3 star logo becomes the only brand anchor, title completely disappears */
    #app-title {
        display: none !important;
    }

    .app-logo {
        width: 36px;
        height: 36px;
    }

    /* App Bar Actions Compactness */
    .app-bar-actions {
        gap: 2px;
    }

    .app-bar-actions .icon-button {
        width: 36px;
        height: 36px;
    }

    .app-bar-actions .icon-button .material-symbols-outlined,
    .app-bar-actions .icon-button .material-symbols-rounded {
        font-size: 20px;
    }

    /* Modals & Dialogs Scale down */
    .modal-card {
        width: 95%;
        padding: var(--spacing-m);
        max-height: 85vh;
        border-radius: var(--md-sys-shape-corner-large);
    }

    .modal-header h2 {
        font-size: 1.25rem;
    }

    .tab-btn {
        padding: var(--spacing-s) var(--spacing-s);
        font-size: 0.9rem;
    }

    /* Mixer layout scaling to prevent squishing input fields */
    .mixer-row {
        gap: 6px;
    }

    .mixer-item input {
        padding: 5px 2px;
        font-size: 0.85rem;
        border-radius: 6px;
    }

    .label-tiny {
        font-size: 9px;
    }

    /* Variations Grid flow on Mobile (no horizontal scrollbar, wraps neatly in 2 rows of 5) */
    .color-row-scroll {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 6px;
        overflow-x: visible;
        padding: var(--spacing-xs) 0;
    }

    .variant-box {
        flex: none;
        width: 100%;
        height: 55px;
    }

    .variant-box .label-tiny {
        font-size: 8px;
    }

    /* History Page compact */
    .history-page-grid {
        grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
        gap: var(--spacing-s);
    }

    .history-hex-label {
        font-size: 0.75rem;
        padding: 2px 4px;
    }

    /* Custom Contrast Page */
    .custom-contrast-preview.large {
        height: 120px;
        font-size: 1.3rem;
        padding: 0 12px;
    }

    .wcag-result-card {
        padding: var(--spacing-m);
    }

    .large-badges .badge {
        font-size: 0.75rem;
        padding: 4px 8px;
    }
}

/* ==========================================================================
   RIPPLE EFFECT
   ========================================================================== */
.ripple {
    position: absolute;
    border-radius: 50%;
    transform: scale(0);
    animation: ripple-animation 0.6s linear;
    background-color: currentColor;
    opacity: 0.3;
    pointer-events: none;
    z-index: 10;
}

@keyframes ripple-animation {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ==========================================================================
   IMAGE EXTRACTOR
   ========================================================================== */
.image-drop-zone {
    border: 2px dashed var(--md-sys-color-outline);
    border-radius: var(--md-sys-shape-corner-extra-large);
    padding: var(--spacing-xl);
    text-align: center;
    cursor: pointer;
    transition: background-color var(--transition-standard), border-color var(--transition-standard);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    background-color: var(--md-sys-color-surface-container-low);
}

.image-drop-zone:hover,
.image-drop-zone.dragover {
    background-color: var(--md-sys-color-surface-variant);
    border-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-primary);
}

/* ==========================================================================
   CONTRAST MATRIX & GRADIENT GENERATOR
   ========================================================================== */
.matrix-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 2px;
}

.matrix-table th,
.matrix-table td {
    padding: var(--spacing-m);
    text-align: center;
    border-radius: 8px;
    font-weight: 500;
}

.matrix-cell {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    font-size: 0.85rem;
}

.gradient-layout {
    display: flex;
    gap: var(--spacing-l);
    flex-wrap: wrap;
}

.gradient-controls {
    flex: 1;
    min-width: 300px;
}

.gradient-preview-area {
    flex: 2;
    min-width: 300px;
}

/* ==========================================================================
   APCA & SEGMENTED CONTROLS & SMART PALETTE GENERATOR
   ========================================================================== */

/* APCA Contrast Badge Styles */
.apca-result-row {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 4px;
    font-size: 0.85rem;
}

.apca-ratio-val {
    font-weight: 700;
}

/* Custom Contrast APCA layout */
.custom-contrast-results {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    flex-wrap: wrap;
    gap: 24px;
}

.contrast-result-col {
    flex: 1;
    min-width: 180px;
    display: flex;
    flex-direction: column;
}

.contrast-result-divider {
    width: 1px;
    background-color: var(--md-sys-color-outline-variant);
    align-self: stretch;
}

@media (max-width: 600px) {
    .custom-contrast-results {
        flex-direction: column;
    }

    .contrast-result-divider {
        width: 100%;
        height: 1px;
    }
}

/* Segmented Control for Contrast Matrix */
.matrix-header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-m);
}

.segmented-control {
    display: inline-flex;
    border: 1px solid var(--md-sys-color-outline);
    border-radius: var(--md-sys-shape-corner-full);
    overflow: hidden;
    background-color: transparent;
    padding: 0;
}

.segmented-control .segment-btn {
    border: none;
    background-color: transparent;
    color: var(--md-sys-color-on-surface);
    padding: 8px 16px;
    font-family: var(--md-sys-typescale-title-medium-font);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: background-color var(--transition-standard), color var(--transition-standard);
}

.segmented-control .segment-btn:hover {
    background-color: rgba(0, 0, 0, 0.05);
}

.dark-mode .segmented-control .segment-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

.segmented-control .segment-btn.active {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    font-weight: 600;
}

/* Smart Palette Generator Styles */
.generator-controls-row {
    display: flex;
    flex-direction: column;
    max-width: 320px;
}

.dropdown-select {
    width: 100%;
    height: 48px;
    padding: 0 var(--spacing-m);
    background-color: var(--md-sys-color-surface-container);
    color: var(--md-sys-color-on-surface);
    border: 1px solid var(--md-sys-color-outline-variant);
    border-radius: var(--md-sys-shape-corner-medium);
    font-family: var(--md-sys-typescale-body-medium-font);
    font-size: 0.95rem;
    cursor: pointer;
    outline: none;
    transition: border-color var(--transition-standard), background-color var(--transition-standard);
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%2379747E'%3E%3Cpath d='M7 10l5 5 5-5H7z'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 24px;
}

.dropdown-select:focus {
    border-color: var(--md-sys-color-primary);
    background-color: var(--md-sys-color-surface-container-high);
}

.generator-swatches-container {
    display: flex;
    gap: var(--spacing-m);
    min-height: 380px;
    width: 100%;
}

.generator-swatch {
    flex: 1;
    display: flex;
    flex-direction: column;
    background-color: var(--md-sys-color-surface-container-low);
    border-radius: var(--md-sys-shape-corner-extra-large);
    border: 1px solid var(--md-sys-color-outline-variant);
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.2, 0, 0, 1);
}

.generator-swatch:hover {
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-4px);
}

.generator-swatch-preview {
    flex: 1;
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    cursor: pointer;
}

.generator-swatch-preview .lock-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.4);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: background-color var(--transition-standard), transform var(--transition-standard);
}

.generator-swatch-preview .lock-badge:hover {
    background-color: rgba(0, 0, 0, 0.6);
    transform: scale(1.1);
}

.generator-swatch-preview .lock-badge.locked {
    background-color: var(--md-sys-color-primary);
    color: var(--md-sys-color-on-primary);
    border-color: transparent;
}

.generator-swatch-controls {
    padding: var(--spacing-m);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-s);
    background-color: var(--md-sys-color-surface-container);
}

.generator-swatch-controls .hex-wrapper {
    margin-top: 0;
    height: 40px;
    padding: 0 var(--spacing-s);
}

.generator-swatch-controls .hex-wrapper input[type="text"] {
    font-size: 0.85rem;
    width: calc(100% - 32px);
}

.generator-swatch-controls .hex-wrapper input[type="color"] {
    width: 24px;
    height: 24px;
}

.generator-actions {
    display: flex;
    gap: var(--spacing-m);
    margin-top: var(--spacing-l);
}

.generator-actions md-filled-button,
.generator-actions md-filled-tonal-button {
    flex: 1;
}

@media (max-width: 480px) {
    .generator-actions {
        flex-direction: column;
        gap: var(--spacing-s);
    }
}

@media (max-width: 800px) {
    .generator-swatches-container {
        flex-direction: column;
        min-height: auto;
    }

    .generator-swatch {
        flex-direction: row;
        height: 100px;
        min-height: auto;
    }

    .generator-swatch-preview {
        flex: 1;
        min-height: auto;
        height: 100%;
    }

    .generator-swatch-controls {
        flex: 1.5;
        flex-direction: row;
        align-items: center;
        padding: var(--spacing-s);
    }

    .generator-swatch-controls .hex-wrapper {
        flex: 1;
        margin-bottom: 0;
    }

    .generator-swatch-preview .lock-badge {
        top: 50%;
        right: 12px;
        transform: translateY(-50%);
    }

    .generator-swatch-preview .lock-badge:hover {
        transform: translateY(-50%) scale(1.1);
    }
}

/* Material Web Components Overrides & Styling */
md-icon {
    font-family: 'Material Symbols Rounded' !important;
    font-size: 24px;
    font-style: normal;
    display: inline-block;
    line-height: 1;
    text-transform: none;
    letter-spacing: normal;
    word-wrap: normal;
    white-space: nowrap;
    direction: ltr;
}

md-filled-button.full-width,
md-filled-tonal-button.full-width {
    width: 100%;
}

md-slider {
    width: 100%;
    margin-top: 8px;
    --md-slider-active-track-color: var(--md-sys-color-primary);
    --md-slider-inactive-track-color: var(--md-sys-color-surface-variant);
    --md-slider-handle-color: var(--md-sys-color-primary);
    --md-slider-active-track-height: 4px;
    --md-slider-inactive-track-height: 4px;
}

md-switch {
    --md-switch-selected-handle-color: var(--md-sys-color-on-primary);
    --md-switch-selected-track-color: var(--md-sys-color-primary);
}

md-tabs {
    width: 100%;
    margin-bottom: var(--spacing-m);
    --md-tabs-active-indicator-color: var(--md-sys-color-primary);
    --md-tabs-active-label-text-color: var(--md-sys-color-primary);
    --md-tabs-active-icon-color: var(--md-sys-color-primary);
}

md-outlined-select {
    width: 100%;
    --md-outlined-select-text-field-outline-color: var(--md-sys-color-outline);
    --md-outlined-select-text-field-input-text-color: var(--md-sys-color-on-surface);
    --md-outlined-select-text-field-container-background-color: var(--md-sys-color-surface);
}

/* Ensure Web Components use global typography font */
md-filled-button,
md-filled-tonal-button,
md-outlined-button,
md-outlined-select,
md-tabs,
md-primary-tab {
    font-family: var(--md-sys-typescale-body-medium-font) !important;
}

md-filled-button,
md-filled-tonal-button,
md-outlined-button {
    min-width: 150px;
}

md-filled-button,
md-filled-tonal-button,
md-outlined-button,
md-icon-button {
    flex-shrink: 0;
}

md-filled-button {
    --md-filled-button-container-height: 48px;
    --md-filled-button-icon-size: 24px;
    --md-filled-button-leading-space: 24px;
    --md-filled-button-trailing-space: 24px;
    --md-filled-button-with-icon-leading-space: 16px;
    --md-filled-button-with-icon-trailing-space: 24px;
}

md-filled-tonal-button {
    --md-filled-tonal-button-container-height: 48px;
    --md-filled-tonal-button-icon-size: 24px;
    --md-filled-tonal-button-leading-space: 24px;
    --md-filled-tonal-button-trailing-space: 24px;
    --md-filled-tonal-button-with-icon-leading-space: 16px;
    --md-filled-tonal-button-with-icon-trailing-space: 24px;
}

md-outlined-button {
    --md-outlined-button-container-height: 48px;
    --md-outlined-button-icon-size: 24px;
    --md-outlined-button-leading-space: 24px;
    --md-outlined-button-trailing-space: 24px;
    --md-outlined-button-with-icon-leading-space: 16px;
    --md-outlined-button-with-icon-trailing-space: 24px;
}

/*
 * Some Material Web builds do not honor the spacing tokens above for slotted
 * icons. Keep the icon and label comfortably inside the pill in every build.
 */
md-filled-button > md-icon[slot="icon"],
md-filled-tonal-button > md-icon[slot="icon"],
md-outlined-button > md-icon[slot="icon"] {
    margin-inline-start: 12px;
}

md-filled-button > md-icon[slot="icon"] + span,
md-filled-tonal-button > md-icon[slot="icon"] + span,
md-outlined-button > md-icon[slot="icon"] + span {
    margin-inline-end: 12px;
}

/* Interactive Image Extractor styles */
#image-extractor-workspace {
    display: none;
    gap: var(--spacing-l);
    margin-top: var(--spacing-m);
    flex-wrap: wrap;
}

#image-workspace {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
    background-color: var(--md-sys-color-surface-container-low);
}

#image-pins-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.image-pin {
    position: absolute;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    border: 2px solid #ffffff;
    box-shadow: 0 2px 6px rgba(0,0,0,0.4);
    cursor: move;
    pointer-events: auto;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
    z-index: 10;
}

.image-pin:hover {
    transform: translate(-50%, -50%) scale(1.15);
    box-shadow: 0 4px 10px rgba(0,0,0,0.5);
    z-index: 11;
}

.image-pin.active {
    transform: translate(-50%, -50%) scale(1.25);
    border-color: #ffffff;
    box-shadow: 0 4px 12px rgba(0,0,0,0.6);
    z-index: 12;
}

.image-pin.active::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    background-color: #ffffff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 1px 2px rgba(0,0,0,0.4);
}

#image-extracted-palette {
    display: flex;
    height: 56px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--md-sys-color-outline-variant);
    width: 100%;
}

.extracted-swatch {
    flex: 1;
    height: 100%;
    cursor: pointer;
    transition: flex-grow 0.2s ease, filter 0.2s ease;
    position: relative;
}

.extracted-swatch:hover {
    filter: brightness(1.05);
}

.extracted-swatch.active {
    flex-grow: 1.4;
    outline: none;
}

.extracted-swatch.active::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background-color: #ffffff;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 1px 3px rgba(0,0,0,0.5);
}

/* Modern slider matching Material Design 3 */
.custom-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: var(--md-sys-color-surface-container-high);
    outline: none;
    margin: 12px 0;
}

.custom-slider::-webkit-slider-runnable-track {
    width: 100%;
    height: 4px;
    cursor: pointer;
    background: var(--md-sys-color-primary-container);
    border-radius: 2px;
}

.custom-slider::-webkit-slider-thumb {
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: var(--md-sys-color-primary);
    cursor: pointer;
    -webkit-appearance: none;
    margin-top: -8px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
    transition: transform 0.1s ease;
}

.custom-slider::-webkit-slider-thumb:hover {
    transform: scale(1.1);
}

@media (max-width: 768px) {
    #image-extractor-workspace {
        flex-direction: column !important;
    }
    #image-extractor-workspace > div {
        width: 100% !important;
    }
}/* ============================================================
   Material Design 3 — justlimorina.github.io
   ============================================================ */

/* ---------- Adwaita Sans (local, kept as secondary option) -- */
@font-face {
    font-family: 'Adwaita Sans';
    src: url("../fonts/adwaita/adwaita-sans/AdwaitaSans-Regular.ttf") format('truetype'),
         local('Adwaita Sans');
    font-weight: normal;
    font-style: normal;
}

/* ---------- Legacy M3 Color Tokens (kept inert; runtime tokens are above) ---------- */
.legacy-m3-token-reference {
    /* Primary */
    --md-sys-color-primary: #bf0030;
    --md-sys-color-on-primary: #ffffff;
    --md-sys-color-primary-container: #ffdad9;
    --md-sys-color-on-primary-container: #41000a;

    /* Secondary */
    --md-sys-color-secondary: #775656;
    --md-sys-color-on-secondary: #ffffff;
    --md-sys-color-secondary-container: #ffdad9;
    --md-sys-color-on-secondary-container: #2c1516;

    /* Tertiary */
    --md-sys-color-tertiary: #755a2f;
    --md-sys-color-on-tertiary: #ffffff;
    --md-sys-color-tertiary-container: #ffddb3;
    --md-sys-color-on-tertiary-container: #291800;

    /* Surface */
    --md-sys-color-background: #fff8f7;
    --md-sys-color-on-background: #201a1a;
    --md-sys-color-surface: #fff8f7;
    --md-sys-color-on-surface: #201a1a;
    --md-sys-color-surface-variant: #f5dddd;
    --md-sys-color-on-surface-variant: #534343;
    --md-sys-color-surface-container-lowest: #ffffff;
    --md-sys-color-surface-container-low: #fef1f0;
    --md-sys-color-surface-container: #f8ebea;
    --md-sys-color-surface-container-high: #f2e5e4;
    --md-sys-color-surface-container-highest: #ecdfde;

    /* Outline */
    --md-sys-color-outline: #857373;
    --md-sys-color-outline-variant: #d8c2c1;

    /* Error */
    --md-sys-color-error: #ba1a1a;
    --md-sys-color-on-error: #ffffff;
    --md-sys-color-error-container: #ffdad6;
    --md-sys-color-on-error-container: #410002;

    /* Inverse */
    --md-sys-color-inverse-surface: #362f2f;
    --md-sys-color-inverse-on-surface: #fbeeec;
    --md-sys-color-inverse-primary: #ffb3b3;

    /* Extra M3 Tonal Specs */
    --md-sys-color-shadow: #000000;
    --md-sys-color-scrim: #000000;

    /* Elevation (box-shadows per M3 tonal elevation) */
    --md-sys-elevation-level0: none;
    --md-sys-elevation-level1: 0px 1px 2px rgba(0,0,0,.3), 0px 1px 3px 1px rgba(0,0,0,.15);
    --md-sys-elevation-level2: 0px 1px 2px rgba(0,0,0,.3), 0px 2px 6px 2px rgba(0,0,0,.15);
    --md-sys-elevation-level3: 0px 4px 8px 3px rgba(0,0,0,.15), 0px 1px 3px rgba(0,0,0,.3);

    /* Shape */
    --md-sys-shape-corner-none:         0px;
    --md-sys-shape-corner-extra-small:  4px;
    --md-sys-shape-corner-small:        8px;
    --md-sys-shape-corner-medium:       12px;
    --md-sys-shape-corner-large:        16px;
    --md-sys-shape-corner-extra-large:  28px;
    --md-sys-shape-corner-full:         50px;

    /* Transition */
    --md-sys-motion-duration-short1: 50ms;
    --md-sys-motion-duration-medium2: 300ms;
    --md-sys-motion-duration-long2: 500ms;
    --md-sys-motion-easing-standard: cubic-bezier(0.2, 0, 0, 1);
    --md-sys-motion-easing-emphasized: cubic-bezier(0.2, 0, 0, 1);

    /* State layers */
    --md-sys-state-hover-opacity:   0.08;
    --md-sys-state-focus-opacity:   0.12;
    --md-sys-state-pressed-opacity: 0.12;
}

/* ---------- M3 Color Tokens (Dark scheme) ------------------ */
body.dark-theme.legacy-m3-token-reference {
    --md-sys-color-primary: #ffb3b3;
    --md-sys-color-on-primary: #680016;
    --md-sys-color-primary-container: #920023;
    --md-sys-color-on-primary-container: #ffdad9;

    --md-sys-color-secondary: #e6bdbc;
    --md-sys-color-on-secondary: #44292a;
    --md-sys-color-secondary-container: #5d3f3f;
    --md-sys-color-on-secondary-container: #ffdad9;

    --md-sys-color-tertiary: #e5c18d;
    --md-sys-color-on-tertiary: #422d05;
    --md-sys-color-tertiary-container: #5b431a;
    --md-sys-color-on-tertiary-container: #ffddb3;

    --md-sys-color-background: #181212;
    --md-sys-color-on-background: #ecdfde;
    --md-sys-color-surface: #181212;
    --md-sys-color-on-surface: #ecdfde;
    --md-sys-color-surface-variant: #534343;
    --md-sys-color-on-surface-variant: #d8c2c1;
    
    --md-sys-color-surface-container-lowest: #130d0d;
    --md-sys-color-surface-container-low: #201a1a;
    --md-sys-color-surface-container: #241e1e;
    --md-sys-color-surface-container-high: #2f2828;
    --md-sys-color-surface-container-highest: #3a3333;

    --md-sys-color-outline: #a08c8c;
    --md-sys-color-outline-variant: #534343;

    --md-sys-color-error: #ffb4ab;
    --md-sys-color-on-error: #690005;
    --md-sys-color-error-container: #93000a;
    --md-sys-color-on-error-container: #ffdad6;

    --md-sys-color-inverse-surface: #ecdfde;
    --md-sys-color-inverse-on-surface: #362f2f;
    --md-sys-color-inverse-primary: #bf0030;
}

/* ============================================================
   BASE RESET & BODY
   ============================================================ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', 'Adwaita Sans', Arial, Helvetica, sans-serif;
    background-color: var(--md-sys-color-background);
    color: var(--md-sys-color-on-background);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding: 0;
    margin: 0;
    -webkit-font-smoothing: antialiased;
    transition: background-color 300ms ease, color 300ms ease;
}

a {
    color: var(--md-sys-color-primary);
    text-decoration: none;
    transition: color 150ms ease;
}

a:hover {
    text-decoration: underline;
}

/* ============================================================
   M3 TYPOGRAPHY SCALE
   ============================================================ */
.md-typescale-display-large   { font-size: 57px; line-height: 64px; font-weight: 400; letter-spacing: -0.25px; }
.md-typescale-display-medium  { font-size: 45px; line-height: 52px; font-weight: 400; }
.md-typescale-display-small   { font-size: 36px; line-height: 44px; font-weight: 400; }
.md-typescale-headline-large  { font-size: 32px; line-height: 40px; font-weight: 400; }
.md-typescale-headline-medium { font-size: 28px; line-height: 36px; font-weight: 400; }
.md-typescale-headline-small  { font-size: 24px; line-height: 32px; font-weight: 400; }
.md-typescale-title-large     { font-size: 22px; line-height: 28px; font-weight: 400; }
.md-typescale-title-medium    { font-size: 16px; line-height: 24px; font-weight: 500; letter-spacing: 0.15px; }
.md-typescale-title-small     { font-size: 14px; line-height: 20px; font-weight: 500; letter-spacing: 0.1px; }
.md-typescale-body-large      { font-size: 16px; line-height: 24px; font-weight: 400; letter-spacing: 0.5px; }
.md-typescale-body-medium     { font-size: 14px; line-height: 20px; font-weight: 400; letter-spacing: 0.25px; }
.md-typescale-body-small      { font-size: 12px; line-height: 16px; font-weight: 400; letter-spacing: 0.4px; }
.md-typescale-label-large     { font-size: 14px; line-height: 20px; font-weight: 500; letter-spacing: 0.1px; }
.md-typescale-label-medium    { font-size: 12px; line-height: 16px; font-weight: 500; letter-spacing: 0.5px; }
.md-typescale-label-small     { font-size: 11px; line-height: 16px; font-weight: 500; letter-spacing: 0.5px; }

/* ============================================================
   TOP APP BAR — M3 Center-aligned
   ============================================================ */
.md-top-app-bar {
    position: sticky;
    top: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 52px;
    padding: 0 4px;
    background-color: var(--md-sys-color-surface-container);
    color: var(--md-sys-color-on-surface);
    transition: 
        box-shadow var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
        background-color 300ms ease,
        color 300ms ease,
        left var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
        width var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}

.md-top-app-bar__leading,
.md-top-app-bar__trailing {
    display: flex;
    align-items: center;
    gap: 4px;
}

.md-top-app-bar__title-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    pointer-events: auto;
}

.md-top-app-bar__logo-link {
    display: flex;
    align-items: center;
    justify-content: center;
}

.md-top-app-bar__title {
    font-size: 22px;
    line-height: 28px;
    font-weight: 400;
    color: var(--md-sys-color-on-surface);
    white-space: nowrap;
    text-decoration: none;
}

.md-top-app-bar__title-container:hover .md-top-app-bar__title {
    color: var(--md-sys-color-primary);
}

/* Icon button (used in top app bar) */
.md-icon-button {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--md-sys-shape-corner-full);
    background: none;
    border: none;
    cursor: pointer;
    color: var(--md-sys-color-on-surface-variant);
    overflow: hidden;
    -webkit-tap-highlight-color: transparent;
    transition: background-color var(--md-sys-motion-duration-short1);
}

.md-icon-button:hover {
    background-color: rgba(28, 27, 31, calc(var(--md-sys-state-hover-opacity)));
}

.md-icon-button:active {
    background-color: rgba(28, 27, 31, calc(var(--md-sys-state-pressed-opacity)));
}

.md-icon-button .material-symbols-outlined,
.md-icon-button .material-icons {
    font-size: 24px;
}

/* ============================================================
   NAVIGATION DRAWER — M3 Modal variant
   ============================================================ */

/* Scrim overlay */
.md-scrim {
    position: fixed;
    inset: 0;
    z-index: 299;
    background-color: rgba(0, 0, 0, 0.32);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}

.md-scrim.is-visible {
    opacity: 1;
    pointer-events: auto;
}

/* Drawer panel */
.md-nav-drawer {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 300;
    width: 360px;
    max-width: 85vw;
    background-color: var(--md-sys-color-surface-container-low);
    border-radius: 0 var(--md-sys-shape-corner-extra-large) var(--md-sys-shape-corner-extra-large) 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transform: translateX(-100%);
    transition: transform var(--md-sys-motion-duration-long2) var(--md-sys-motion-easing-emphasized);
    box-shadow: var(--md-sys-elevation-level1);
}

.md-nav-drawer.is-open {
    transform: translateX(0);
}

/* Drawer header */
.md-nav-drawer__header {
    display: flex;
    align-items: center;
    padding: 16px 12px 16px 16px;
    min-height: 64px;
    gap: 8px;
}

.md-nav-drawer__headline {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1px;
    color: var(--md-sys-color-on-surface-variant);
    padding: 18px 28px 10px;
    text-transform: uppercase;
}

/* Drawer scroll area */
.md-nav-drawer__content {
    flex: 1;
    overflow-y: auto;
    padding: 0 12px;
}

/* Nav item */
.md-nav-item {
    position: relative;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px 0 16px;
    height: 56px;
    border-radius: var(--md-sys-shape-corner-full);
    text-decoration: none;
    color: var(--md-sys-color-on-surface-variant);
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 0.1px;
    overflow: hidden;
    cursor: pointer;
    transition:
        background-color var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
        color var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
    margin-bottom: 4px;
}

.md-nav-item:hover {
    background-color: rgba(103, 80, 164, 0.08);
    color: var(--md-sys-color-on-surface);
}

.md-nav-item.active {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}

.md-nav-item.active .md-nav-item__icon {
    color: var(--md-sys-color-on-secondary-container);
}

.md-nav-item__icon {
    font-size: 24px;
    color: var(--md-sys-color-on-surface-variant);
    flex-shrink: 0;
    transition: color var(--md-sys-motion-duration-medium2);
}

.md-nav-item__label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* Drawer close button area */
.md-nav-drawer__close {
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 8px 12px;
}

/* ============================================================
   HERO / BANNER SECTION
   ============================================================ */
.md-hero {
    position: relative;
    width: 100%;
    height: 420px;
    overflow: hidden;
    flex-shrink: 0;
}

.md-hero__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    display: block;
    filter: brightness(0.65);
    transition: transform 8s ease-in-out;
}

.md-hero:hover .md-hero__image {
    transform: scale(1.04);
}

.md-hero__overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        transparent 30%,
        rgba(28, 27, 31, 0.6) 100%
    );
}

.md-hero__content {
    position: absolute;
    bottom: 40px;
    left: 48px;
    right: 48px;
    color: #fff;
    animation: md-fade-up 0.8s var(--md-sys-motion-easing-emphasized) both;
}

.md-hero__eyebrow {
    font-size: 14px;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    opacity: 0.85;
    margin-bottom: 8px;
}

.md-hero__title {
    font-size: 36px;
    line-height: 1.2;
    font-weight: 400;
    text-shadow: 0 2px 16px rgba(0,0,0,0.4);
}

/* ============================================================
   MAIN CONTENT WRAPPER
   ============================================================ */
.md-main {
    flex: 1;
    padding: 20px 24px 32px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
    transition: 
        margin-left var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
        width var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
        background-color 300ms ease,
        color 300ms ease;
}

/* ============================================================
   SECTION HEADER (above card grids)
   ============================================================ */
.md-section-header {
    margin: 24px 0 16px;
}

.md-section-header h2 {
    font-size: 22px;
    line-height: 28px;
    font-weight: 400;
    color: var(--md-sys-color-primary);
}

/* ============================================================
   CARD GRID
   ============================================================ */
.md-card-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.md-card-grid--full {
    grid-template-columns: 1fr;
}

/* ============================================================
   M3 ELEVATED CARD
   ============================================================ */
.md-card {
    position: relative;
    background-color: var(--md-sys-color-surface-container-low);
    border-radius: var(--md-sys-shape-corner-medium);
    box-shadow: var(--md-sys-elevation-level1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition:
        box-shadow var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
        background-color var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
        transform var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}

.md-card:hover {
    box-shadow: var(--md-sys-elevation-level2);
    background-color: var(--md-sys-color-surface-container);
    transform: translateY(-4px);
}

/* Card with horizontal layout (image side-by-side) */
.md-card--horizontal .md-card__body {
    flex-direction: row;
    align-items: center;
}

.md-card__body {
    display: flex;
    flex-direction: row;
    align-items: center;
    padding: 20px;
    gap: 16px;
    flex: 1;
}

.md-card__text {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
    justify-content: center;
}

.md-card__title-row {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--md-sys-color-primary);
}

.md-card__title-row .material-symbols-outlined,
.md-card__title-row .material-icons {
    font-size: 22px;
    flex-shrink: 0;
}

.md-card__title {
    font-size: 18px;
    line-height: 24px;
    font-weight: 500;
    letter-spacing: 0.15px;
    color: var(--md-sys-color-primary);
}

.md-card__supporting-text {
    font-size: 14px;
    line-height: 20px;
    font-weight: 400;
    letter-spacing: 0.25px;
    color: var(--md-sys-color-on-surface);
    word-break: break-word;
}

.md-card__supporting-text ul {
    list-style: none;
    padding: 0;
    margin-top: 8px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.md-card__supporting-text ul li {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--md-sys-color-on-surface-variant);
}

.md-card__supporting-text ul li .material-icons,
.md-card__supporting-text ul li .material-symbols-outlined {
    font-size: 18px;
    color: var(--md-sys-color-secondary);
    flex-shrink: 0;
}

/* Card image area */
.md-card__media {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    width: 140px;
    min-width: 100px;
    max-width: 180px;
}

.md-card__media img {
    display: block;
    width: 100%;
    height: auto;
    max-height: 160px;
    object-fit: contain;
    border-radius: var(--md-sys-shape-corner-small);
}

/* Tonal filled card variant */
.md-card--filled {
    background-color: var(--md-sys-color-secondary-container);
    box-shadow: none;
}

.md-card--filled:hover {
    box-shadow: var(--md-sys-elevation-level1);
    background-color: #d9d0e9; /* slightly darker on hover */
}

.md-card--filled .md-card__title,
.md-card--filled .md-card__title-row {
    color: var(--md-sys-color-on-secondary-container);
}

.md-card--filled .md-card__supporting-text {
    color: var(--md-sys-color-on-secondary-container);
}

/* Note: Ripple effect and state layers are now handled natively by `@material/web` components (<md-ripple>) */

/* ============================================================
   DIVIDER
   ============================================================ */
.md-divider {
    height: 1px;
    background-color: var(--md-sys-color-outline-variant);
    border: none;
    margin: 0;
}

/* ============================================================
   FOOTER
   ============================================================ */
.md-footer {
    background-color: var(--md-sys-color-surface-container-highest);
    color: var(--md-sys-color-on-surface-variant);
    border-top: 1px solid var(--md-sys-color-outline-variant);
    padding: 24px;
    text-align: center;
    font-size: 12px;
    line-height: 16px;
    letter-spacing: 0.4px;
}

.md-footer a {
    color: var(--md-sys-color-primary);
    text-decoration: none;
}

.md-footer a:hover {
    text-decoration: underline;
}

/* ============================================================
   PRIVACY PAGE SPECIFIC
   ============================================================ */
.md-prose h1 {
    font-size: 32px;
    line-height: 40px;
    font-weight: 400;
    color: var(--md-sys-color-primary);
    margin-bottom: 8px;
}

.md-prose .md-eyebrow {
    font-size: 12px;
    letter-spacing: 0.5px;
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 32px;
    display: block;
}

.md-prose h2 {
    font-size: 20px;
    line-height: 28px;
    font-weight: 500;
    color: var(--md-sys-color-on-surface);
    margin-top: 28px;
    margin-bottom: 8px;
}

.md-prose p {
    font-size: 14px;
    line-height: 20px;
    letter-spacing: 0.25px;
    color: var(--md-sys-color-on-surface-variant);
    margin-bottom: 8px;
}

/* ============================================================
   ANIMATIONS
   ============================================================ */
@keyframes md-fade-up {
    from {
        opacity: 0;
        transform: translateY(24px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.md-card {
    animation: md-fade-up 0.5s var(--md-sys-motion-easing-emphasized) both;
}

.md-card:nth-child(1) { animation-delay: 0.05s; }
.md-card:nth-child(2) { animation-delay: 0.10s; }
.md-card:nth-child(3) { animation-delay: 0.15s; }
.md-card:nth-child(4) { animation-delay: 0.20s; }
.md-card:nth-child(5) { animation-delay: 0.25s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 720px) {
    .md-card-grid {
        grid-template-columns: 1fr;
    }

    .md-card__body {
        flex-direction: column;
        align-items: flex-start;
    }

    .md-card__media {
        width: 100%;
        max-width: 100%;
        justify-content: center;
    }

    .md-card__media img {
        max-height: 200px;
        width: auto;
        margin: 0 auto;
    }

    .md-hero {
        height: 280px;
    }

    .md-hero__content {
        bottom: 24px;
        left: 24px;
        right: 24px;
    }

    .md-hero__title {
        font-size: 24px;
    }

    .md-main {
        padding: 16px 16px 24px;
    }

    .md-top-app-bar__title {
        font-size: 18px;
    }

    .md-nav-drawer {
        width: 300px;
    }
}

@media (max-width: 400px) {
    .md-hero {
        height: 220px;
    }

    .md-hero__title {
        font-size: 20px;
    }
}

/* ============================================================
   M3.MATERIAL.IO DESKTOP LAYOUT AND CUSTOM COMPONENT STYLE OVERRIDES
   ============================================================ */

/* Page Hero Strip styling (for sub-pages like privacy.html) */
.md-hero-strip {
    background: linear-gradient(135deg, var(--md-sys-color-primary-container) 0%, var(--md-sys-color-secondary-container) 100%);
    padding: 40px 48px 36px;
    border-bottom: 1px solid var(--md-sys-color-outline-variant);
    transition: 
        margin-left var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
        width var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}
.md-hero-strip__container {
    max-width: 1200px;
    margin: 0 auto;
}
.md-hero-strip__eyebrow {
    font-size: 12px;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--md-sys-color-secondary);
    margin-bottom: 8px;
}
.md-hero-strip__title {
    font-size: 32px;
    font-weight: 400;
    color: var(--md-sys-color-on-primary-container);
    margin: 0;
}

/* Material Web Components Styling overrides */
md-list-item.md-nav-item {
    margin: 4px 12px;
    border-radius: var(--md-sys-shape-corner-full);
    --md-list-item-container-shape: 9999px;
    --md-list-item-label-text-font: 'Roboto', sans-serif;
    --md-list-item-label-text-size: 14px;
    --md-list-item-label-text-weight: 500;
}

md-list-item.md-nav-item.active {
    --md-list-item-container-color: var(--md-sys-color-secondary-container);
    --md-list-item-label-text-color: var(--md-sys-color-on-secondary-container);
    --md-list-item-leading-icon-color: var(--md-sys-color-on-secondary-container);
}

.md-nav-drawer__list {
    background: transparent;
    padding: 0;
}

.material-icons,
.material-symbols-outlined,
.material-symbols-rounded,
md-icon {
    font-family: 'Material Symbols Rounded' !important;
    font-weight: normal;
    font-style: normal;
    font-size: 24px;
    line-height: 1;
    letter-spacing: normal;
    text-transform: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    word-wrap: normal;
    direction: ltr;
    -webkit-font-smoothing: antialiased;
    font-variation-settings: 'FILL' 1, 'wght' 400, 'GRAD' 0, 'opsz' 24 !important;
}

md-icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--md-sys-shape-corner-full);
    cursor: pointer;
    background: none;
    border: none;
    outline: none;
}

md-filled-button {
    min-width: 150px;
    width: auto;
}

/* Theme-aware logo styles */
.md-logo {
    width: 24px;
    height: 24px;
    display: block;
}
.md-logo--dark {
    display: none;
}
body.dark-theme .md-logo--light {
    display: none;
}
body.dark-theme .md-logo--dark {
    display: block;
}

/* Custom Navigation Rail styles */
.md-nav-rail {
    display: none !important;
}
.md-nav-rail__top {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 24px;
}
.md-nav-rail__logo-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--md-sys-shape-corner-full);
    transition: background-color var(--md-sys-motion-duration-short1);
}
.md-nav-rail__logo-wrapper:hover {
    background-color: color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent);
}
.md-nav-rail__destinations {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    flex: 1;
    width: 100%;
}
.md-rail-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    width: 100%;
    position: relative;
    padding: 4px 0 8px;
    color: var(--md-sys-color-on-surface-variant);
    cursor: pointer;
    transition: color 200ms ease;
}
.md-rail-item__icon-container {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 32px;
    border-radius: var(--md-sys-shape-corner-full);
    transition: background-color 200ms ease;
    margin-bottom: 4px;
    position: relative;
    overflow: hidden;
}
.md-rail-item:hover .md-rail-item__icon-container {
    background-color: color-mix(in srgb, var(--md-sys-color-primary) 8%, transparent);
}
.md-rail-item.active {
    color: var(--md-sys-color-on-surface);
    font-weight: 700;
}
.md-rail-item.active .md-rail-item__icon-container {
    background-color: var(--md-sys-color-secondary-container);
    color: var(--md-sys-color-on-secondary-container);
}
.md-rail-item__icon {
    font-size: 24px;
    color: inherit;
}
.md-rail-item__label {
    display: none;
}
/* Floating tooltip on hover */
.md-rail-item::after {
    content: attr(title);
    position: absolute;
    left: calc(100% + 8px);
    top: 50%;
    transform: translateY(-50%);
    background: var(--md-sys-color-inverse-surface);
    color: var(--md-sys-color-inverse-on-surface);
    font-size: 12px;
    font-weight: 500;
    line-height: 1;
    padding: 6px 12px;
    border-radius: 4px;
    white-space: nowrap;
    pointer-events: none;
    opacity: 0;
    transition: opacity 150ms ease;
    z-index: 1000;
}
.md-rail-item:hover::after {
    opacity: 1;
}
.md-nav-rail__bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: auto;
}

/* The language menu belongs beside the desktop rail, never underneath it. */
@media (min-width: 1200px) {
    .dropdown-menu--rail {
        top: auto;
        right: auto;
        bottom: 0;
        left: calc(100% + 8px);
    }
}

/* Layout transition for hero section */
.md-hero {
    transition: 
        margin-left var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard),
        width var(--md-sys-motion-duration-medium2) var(--md-sys-motion-easing-standard);
}

/* Wide screen layout matches m3.material.io desktop structure */
@media (min-width: 1200px) {
    body {
        padding-left: 80px;
    }
    .md-nav-drawer {
        display: none !important;
    }
    .md-scrim {
        display: none !important;
    }
    .md-nav-rail {
        display: flex !important;
        flex-direction: column;
        align-items: center;
        justify-content: space-between;
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        width: 80px;
        background-color: var(--md-sys-color-surface-container-low);
        border-right: 1px solid var(--md-sys-color-outline-variant);
        padding: 16px 0;
        z-index: 100;
    }
    .md-top-app-bar {
        display: none !important;
    }
    .md-main {
        margin: 0 auto;
        width: 100%;
        max-width: 1200px;
    }
    .md-hero {
        margin: 24px auto 0;
        width: 100%;
        max-width: 1200px;
        border-radius: var(--md-sys-shape-corner-extra-large);
    }
    .md-hero-strip {
        margin: 24px auto 0;
        width: 100%;
        max-width: 1200px;
        border-radius: var(--md-sys-shape-corner-extra-large);
        border: 1px solid var(--md-sys-color-outline-variant);
    }
}

/* ============================================================
   CONTACT LINKS & MONOCHROME ICONS
   ============================================================ */
.md-contact-links {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 12px;
}

.md-contact-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--md-sys-shape-corner-full);
    background-color: var(--md-sys-color-surface-container-high);
    color: var(--md-sys-color-on-surface-variant);
    transition: 
        background-color var(--md-sys-motion-duration-short1) var(--md-sys-motion-easing-standard),
        color var(--md-sys-motion-duration-short1) var(--md-sys-motion-easing-standard),
        transform var(--md-sys-motion-duration-short1) var(--md-sys-motion-easing-standard);
}

.md-contact-link:hover {
    background-color: var(--md-sys-color-primary-container);
    color: var(--md-sys-color-on-primary-container);
    transform: scale(1.08);
    text-decoration: none; /* remove default hover underline */
}

.md-contact-link:active {
    transform: scale(0.95);
}

.md-contact-icon {
    width: 24px;
    height: 24px;
    fill: currentColor;
}