:root {
    --stone-050: #fafaf9;
    --stone-100: #f5f5f4;
    --stone-200: #e7e5e4;
    --stone-300: #d6d3d1;
    --stone-400: #a8a29e;
    --stone-500: #78716c;
    --stone-600: #57534e;
    --stone-700: #44403c;
    --stone-800: #292524;
    --stone-900: #1c1917;
    --stone-950: #0c0a09;

    --blue: #3b82f6;
    --red: #ef4444;
    --green: #22c55e;
    --amber: #f59e0b;
    --indigo: #6366f1;

    --bg: var(--stone-950);
    --bg-raised: var(--stone-900);
    --bg-surface: var(--stone-800);
    --border: var(--stone-800);
    --border-strong: var(--stone-500);
    --text: var(--stone-200);
    --text-muted: var(--stone-400);
    --text-faint: var(--stone-500);
    --text-bright: var(--stone-100);
    --accent: var(--blue);
    --accent-hover: #5193f8;
    --success: var(--green);
    --danger: var(--red);
    --warning: var(--amber);

    --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: "JetBrains Mono", "SF Mono", "Fira Code", "Roboto Mono", "Cascadia Code", monospace;
    --line-height: 1.6;
    --line-height-tight: 1.2;

    --sidebar-width: 240px;
}

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

body {
    background-color: var(--bg);
    color: var(--text);
    font-family: var(--font-sans);
    line-height: var(--line-height);
    display: flex;
    min-height: 100vh;
}

::selection {
    background-color: var(--indigo);
    color: var(--stone-050);
}

::-webkit-scrollbar {
    width: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--bg-surface);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-faint);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-mono);
    line-height: var(--line-height-tight);
    color: var(--text-bright);
}

h1 {
    font-size: 2em;
    font-weight: 700;
    margin: 0 0 0.2em;
}

h2 {
    font-size: 1.3em;
    font-weight: 600;
    margin: 1.5em 0 0.5em;
    color: var(--text);
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.15s;
}

a:hover {
    color: var(--accent-hover);
}

#sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background-color: var(--bg-raised);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
}

#sidebar-header {
    padding: 24px 20px 20px;
    border-bottom: 1px solid var(--border);
}

#sidebar-title {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--text-bright);
}

#sidebar-dot {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
}

#sidebar-nav {
    list-style: none;
    padding: 12px 0;
    flex: 1;
}

#sidebar-nav li {
    list-style: none;
}

.nav-link {
    display: block;
    padding: 10px 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.15s, background-color 0.15s;
    text-decoration: none;
}

.nav-link:hover {
    color: var(--text-bright);
    background-color: var(--bg-surface);
}

.nav-link.active {
    color: var(--accent);
    border-left: 2px solid var(--accent);
    background-color: rgba(59, 130, 246, 0.06);
}

#sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border);
    display: flex;
    gap: 16px;
    font-size: 0.8rem;
}

#sidebar-footer a {
    color: var(--text-faint);
    text-decoration: none;
    transition: color 0.15s;
}

#sidebar-footer a:hover {
    color: var(--text);
}

#mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 150;
    width: 40px;
    height: 40px;
    background-color: var(--bg-raised);
    border: 1px solid var(--border);
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    padding: 8px;
}

#mobile-nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text);
    transition: transform 0.2s, opacity 0.2s;
}

#content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 48px 56px 80px;
    max-width: 1200px;
}

section {
    margin-bottom: 80px;
    scroll-margin-top: 32px;
}

.section-desc {
    color: var(--text-muted);
    margin-bottom: 1.5em;
    font-size: 0.95rem;
}

.color-group {
    margin-bottom: 2em;
}

.swatch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    align-items: start;
}

.swatch {
    cursor: pointer;
    border: 1px solid var(--border);
    transition: border-color 0.15s, transform 0.15s;
    position: relative;
    overflow: hidden;
}

.swatch:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.swatch-color {
    height: 64px;
    width: 100%;
    border-bottom: 1px solid var(--border);
}

.swatch-info {
    padding: 8px 10px;
    background-color: var(--bg-raised);
}

.swatch-name {
    font-size: 0.8rem;
    color: var(--text-bright);
    font-weight: 600;
}

.swatch-hex {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.swatch-usage {
    font-size: 0.7rem;
    color: var(--text-faint);
    margin-top: 2px;
}

#css-vars-export {
    margin-top: 2em;
}

.image-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.image-card {
    border: 1px solid var(--border);
    background-color: var(--bg-raised);
    transition: border-color 0.15s, transform 0.15s;
    overflow: hidden;
    cursor: pointer;
}

.image-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.image-card img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    display: block;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    background-color: var(--bg-surface);
}

.image-card-info {
    padding: 8px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.image-card-name {
    font-size: 0.8rem;
    color: var(--text);
    font-weight: 500;
}

.image-card-dl {
    font-size: 0.7rem;
    color: var(--text-faint);
    cursor: pointer;
    transition: color 0.15s;
    background: none;
    border: none;
    font-family: inherit;
    padding: 2px 6px;
}

.image-card-dl:hover {
    color: var(--accent);
}

.banner-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.banner-card {
    border: 1px solid var(--border);
    background-color: var(--bg-raised);
    transition: border-color 0.15s, transform 0.15s;
    overflow: hidden;
    cursor: pointer;
}

.banner-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
}

.banner-card img {
    width: 100%;
    aspect-ratio: 3 / 1;
    object-fit: cover;
    display: block;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    background-color: var(--bg-surface);
}

.banner-card-info {
    padding: 8px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.banner-card-name {
    font-size: 0.8rem;
    color: var(--text);
    font-weight: 500;
}

.originals-toggle {
    margin-top: 1.5em;
}

.originals-toggle summary {
    cursor: pointer;
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 8px 0;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
    user-select: none;
}

.originals-toggle summary::before {
    content: "▸";
    font-size: 0.75rem;
    color: var(--text-faint);
    transition: transform 0.2s;
}

.originals-toggle[open] summary::before {
    transform: rotate(90deg);
}

.originals-toggle summary::-webkit-details-marker {
    display: none;
}

.originals-toggle .image-grid,
.originals-toggle .banner-grid {
    margin-top: 12px;
}

#pfpgen-tool {
    background-color: var(--bg-raised);
    border: 1px solid var(--border);
    padding: 24px;
}

.pfpgen-row {
    display: flex;
    gap: 32px;
    align-items: flex-start;
}

.pfpgen-controls {
    flex: 1;
    min-width: 0;
}

#pfpgen-canvas {
    width: 200px;
    height: 200px;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

#pfpgen-banner-canvas {
    width: 100%;
    max-width: 600px;
    height: auto;
    image-rendering: pixelated;
    image-rendering: crisp-edges;
    margin-top: 12px;
}

.banner-dl-row {
    margin-top: 8px;
    justify-content: center;
}

.pfpgen-preview {
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    background-color: var(--bg-surface);
    border: 1px solid var(--border);
    padding: 16px;
}

.originals-pixelated img {
    image-rendering: pixelated;
    image-rendering: crisp-edges;
}

.control-group {
    margin-bottom: 1.2em;
}

.control-label {
    display: block;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 6px;
}

.control-label.small {
    font-size: 0.75rem;
    margin-top: 10px;
    margin-bottom: 4px;
}

.control-label.clickable {
    cursor: pointer;
    margin-bottom: 0;
}

.variant-group {
    display: flex;
    gap: 0;
}

.variant-btn,
.card-shape-btn {
    flex: 1;
    padding: 8px 12px;
    border: 1px solid var(--border-strong);
    background-color: var(--bg-surface);
    color: var(--stone-300);
    cursor: pointer;
    transition: background-color 0.15s;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: inherit;
}

.variant-btn + .variant-btn,
.card-shape-btn + .card-shape-btn {
    border-left: none;
}

.variant-btn:hover,
.card-shape-btn:hover {
    background-color: var(--text-faint);
}

.variant-btn.active,
.card-shape-btn.active {
    background-color: var(--accent);
    border-color: var(--accent);
    color: var(--stone-050);
}

.color-picker-row {
    display: flex;
    gap: 8px;
    align-items: center;
}

.color-picker-row input[type="color"] {
    -webkit-appearance: none;
    appearance: none;
    width: 40px;
    height: 36px;
    border: 1px solid var(--border-strong);
    background-color: var(--bg-surface);
    cursor: pointer;
    padding: 2px;
    flex-shrink: 0;
}

.color-picker-row input[type="color"]::-webkit-color-swatch-wrapper {
    padding: 0;
}

.color-picker-row input[type="color"]::-webkit-color-swatch {
    border: none;
}

.color-picker-row input[type="text"] {
    flex: 1;
    padding: 6px 10px;
    background-color: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--text-bright);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.color-picker-row input[type="text"]:focus {
    outline: none;
    border-color: var(--accent);
}

.brand-row {
    display: flex;
    gap: 8px;
}

.brand-row input {
    flex: 1;
    padding: 6px 10px;
    background-color: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--text-bright);
    font-family: inherit;
    font-size: 0.85rem;
}

.brand-row input:focus {
    outline: none;
    border-color: var(--accent);
}

#pfpgen-brand-status {
    margin-top: 6px;
    font-size: 0.8rem;
    min-height: 1em;
}

#pfpgen-brand-status.error {
    color: var(--danger);
}

#pfpgen-brand-status.success {
    color: var(--success);
}

#pfpgen-brand-status.loading {
    color: var(--text-muted);
    font-style: italic;
}

#pfpgen-brand-colors {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-top: 6px;
}

#pfpgen-brand-colors:empty {
    display: none;
}

.pfpgen-swatch {
    width: 28px;
    height: 28px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s, border-color 0.15s;
    padding: 0;
    outline: none;
}

.pfpgen-swatch:hover {
    transform: scale(1.15);
}

.pfpgen-swatch.active {
    border-color: var(--stone-100);
}

.noise-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.noise-row .control-label {
    flex-basis: 100%;
}

.noise-row input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    flex: 1;
    height: 4px;
    background: var(--bg-surface);
    outline: none;
    cursor: pointer;
}

.noise-row input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

.noise-row input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    background: var(--accent);
    cursor: pointer;
    border: none;
}

#pfpgen-noise-val {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    min-width: 32px;
    text-align: right;
}

.download-row {
    display: flex;
    gap: 8px;
    margin-bottom: 8px;
}

.download-row .action-btn {
    flex: 1;
}

.custom-dl-row {
    display: flex;
    gap: 8px;
}

.custom-dl-row input {
    flex: 1;
    padding: 6px 10px;
    background-color: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--text-bright);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.custom-dl-row input:focus {
    outline: none;
    border-color: var(--accent);
}

.api-key-row {
    display: flex;
    gap: 8px;
    margin-top: 10px;
}

.api-key-row input {
    flex: 1;
    padding: 6px 10px;
    background-color: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--text-bright);
    font-family: inherit;
    font-size: 0.85rem;
}

.api-key-row input:focus {
    outline: none;
    border-color: var(--accent);
}

.api-hint {
    margin-top: 6px;
    font-size: 0.75rem;
    color: var(--text-faint);
}

#pfpgen-api-settings summary {
    cursor: pointer;
    list-style: none;
    display: flex;
    align-items: center;
    gap: 6px;
}

#pfpgen-api-settings summary::before {
    content: "▸";
    font-size: 0.75rem;
    color: var(--text-faint);
    transition: transform 0.2s;
}

#pfpgen-api-settings[open] summary::before {
    transform: rotate(90deg);
}

#pfpgen-api-settings summary::-webkit-details-marker {
    display: none;
}

.action-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    border: none;
    background-color: var(--accent);
    color: var(--stone-050);
    font-size: 0.85rem;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    transition: background-color 0.15s, transform 0.15s;
    text-decoration: none;
    white-space: nowrap;
}

.action-btn:hover {
    background-color: var(--accent-hover);
    transform: translateY(-1px);
}

.action-btn.secondary {
    background-color: var(--bg-surface);
    color: var(--text);
}

.action-btn.secondary:hover {
    background-color: var(--text-faint);
}

#card-tool {
    background-color: var(--bg-raised);
    border: 1px solid var(--border);
    padding: 24px;
}

.card-controls-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 16px;
}

.logo-upload-area {
    border: 2px dashed var(--border-strong);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: border-color 0.15s, background-color 0.15s;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.logo-upload-area:hover,
.logo-upload-area.drag-over {
    border-color: var(--accent);
    background-color: rgba(59, 130, 246, 0.04);
}

.logo-upload-area.has-logo {
    border-style: solid;
    padding: 8px;
}

.logo-upload-area.has-logo img {
    max-width: 100%;
    max-height: 80px;
    display: block;
    margin: 0 auto;
}

.size-inputs {
    display: flex;
    gap: 8px;
    align-items: center;
}

.size-inputs input {
    flex: 1;
    padding: 6px 10px;
    background-color: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--text-bright);
    font-family: var(--font-mono);
    font-size: 0.85rem;
}

.size-inputs input:focus {
    outline: none;
    border-color: var(--accent);
}

.size-sep {
    color: var(--text-faint);
    font-family: var(--font-mono);
}

.preset-row {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.preset-btn {
    padding: 6px 14px;
    border: 1px solid var(--border);
    background-color: var(--bg);
    color: var(--text-muted);
    font-size: 0.8rem;
    font-family: var(--font-mono);
    cursor: pointer;
    transition: border-color 0.15s, color 0.15s;
}

.preset-btn:hover {
    border-color: var(--accent);
    color: var(--accent);
}

#card-title,
#card-subtitle {
    width: 100%;
    padding: 8px 10px;
    background-color: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--text-bright);
    font-family: var(--font-mono);
    font-size: 0.9rem;
    margin-bottom: 6px;
}

#card-title:focus,
#card-subtitle:focus {
    outline: none;
    border-color: var(--accent);
}

.card-export-row {
    display: flex;
    gap: 8px;
    margin-top: 16px;
    margin-bottom: 20px;
}

.card-preview-wrap {
    margin-top: 16px;
    border: 1px solid var(--border);
    background-color: var(--bg);
    overflow: hidden;
}

#card-canvas {
    width: 100%;
    height: auto;
    display: block;
}

#fonts-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.font-card {
    border: 1px solid var(--border);
    background-color: var(--bg-raised);
    padding: 20px;
}

.font-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.font-card-name {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-bright);
}

.font-card-usage {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 2px;
}

.font-card-preview {
    padding: 16px;
    background-color: var(--bg);
    border: 1px solid var(--border);
    margin: 12px 0;
    font-size: 1.2rem;
    color: var(--text);
    letter-spacing: 0.02em;
}

.font-card-stack {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-faint);
    cursor: pointer;
    padding: 6px 10px;
    background-color: var(--bg);
    border: 1px solid var(--border);
    transition: border-color 0.15s;
    margin-top: 8px;
    display: block;
    width: 100%;
    text-align: left;
}

.font-card-stack:hover {
    border-color: var(--accent);
}

.font-card-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.store-filter {
    margin-bottom: 16px;
}

.store-filter input {
    width: 100%;
    max-width: 400px;
    padding: 8px 12px;
    background-color: var(--bg);
    border: 1px solid var(--border-strong);
    color: var(--text-bright);
    font-family: inherit;
    font-size: 0.9rem;
}

.store-filter input:focus {
    outline: none;
    border-color: var(--accent);
}

.store-item {
    position: relative;
}

.store-item .image-card-info {
    font-size: 0.75rem;
}

.store-item .store-tags {
    display: flex;
    gap: 4px;
    padding: 0 10px 8px;
}

.store-tag {
    font-size: 0.65rem;
    color: var(--text-faint);
    background-color: var(--bg-surface);
    padding: 1px 6px;
    font-family: var(--font-mono);
}

.toast {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    background-color: var(--bg-surface);
    color: var(--text-bright);
    padding: 10px 20px;
    font-size: 0.85rem;
    font-family: var(--font-mono);
    border: 1px solid var(--border-strong);
    z-index: 9999;
    opacity: 0;
    transition: opacity 0.2s, transform 0.2s;
    pointer-events: none;
}

.toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.hidden {
    display: none !important;
}

@media (max-width: 900px) {
    #sidebar {
        transform: translateX(-100%);
        transition: transform 0.2s;
    }

    #sidebar.open {
        transform: translateX(0);
    }

    #mobile-nav-toggle {
        display: flex;
    }

    #content {
        margin-left: 0;
        padding: 72px 24px 60px;
    }

    .pfpgen-row {
        flex-direction: column;
    }

    .pfpgen-preview {
        width: 100%;
        justify-content: center;
    }

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

@media (max-width: 600px) {
    .swatch-grid {
        grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    }

    .image-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }

    .banner-grid {
        grid-template-columns: 1fr;
    }

    h1 {
        font-size: 1.6em;
    }
}