/* ===== THEME VARIABLES (Scoped to App) ===== */
#chromalab-app {
    --bg: #0a0a0f;
    --bg-elevated: #12121a;
    --bg-card: #1a1a26;
    --bg-hover: #22222e;
    --border: #2a2a3a;
    --border-light: #3a3a4a;
    --text: #f0f0f5;
    --text-secondary: #a0a0b5;
    --text-muted: #6a6a7a;
    --accent: #7c5cff;
    --accent-hover: #9070ff;
    --accent-soft: rgba(124, 92, 255, 0.15);
    --success: #00d68f;
    --warning: #ffaa00;
    --danger: #ff4060;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.5);
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 20px;
    --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    font-size: 14px;
    line-height: 1.5;
    transition: background 0.3s ease, color 0.3s ease;
    -webkit-font-smoothing: antialiased;
    position: relative;
    width: 100%;
    box-sizing: border-box;
}

#chromalab-app[data-theme="light"] {
    --bg: #f5f5f8;
    --bg-elevated: #ffffff;
    --bg-card: #ffffff;
    --bg-hover: #f0f0f5;
    --border: #e0e0e8;
    --border-light: #d0d0d8;
    --text: #1a1a26;
    --text-secondary: #4a4a5a;
    --text-muted: #8a8a9a;
    --accent: #6b3fff;
    --accent-hover: #5a2fef;
    --accent-soft: rgba(107, 63, 255, 0.1);
    --success: #00a86b;
    --warning: #e59500;
    --danger: #e03050;
    --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 16px 64px rgba(0, 0, 0, 0.1);
}

#chromalab-app * { margin: 0; padding: 0; box-sizing: border-box; }
#chromalab-app button { font-family: inherit; }

#chromalab-app::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(800px circle at 0% 0%, var(--accent-soft), transparent 50%),
        radial-gradient(600px circle at 100% 100%, var(--accent-soft), transparent 50%);
    pointer-events: none;
    z-index: 0;
    opacity: 0.6;
}

/* ===== HEADER ===== */
#chromalab-app .cl-header {
    position: sticky;
    top: 0;
    z-index: 3;
    background: rgba(10, 10, 15, 0.7);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    border-bottom: 1px solid var(--border);
}
#chromalab-app[data-theme="light"] .cl-header { background: rgba(255, 255, 255, 0.7); }

#chromalab-app .cl-header-inner {
    max-width: 100%;
    margin: 0 auto;
    padding: 14px 28px;
    display: flex;
    align-items: center;
    gap: 32px;
    position: relative;
    z-index: 2;
}

#chromalab-app .cl-brand { display: flex; align-items: center; gap: 12px; }
#chromalab-app .cl-brand-mark { display: flex; }
#chromalab-app .cl-brand-text { display: flex; flex-direction: column; line-height: 1; }
#chromalab-app .cl-brand-name { font-weight: 800; font-size: 17px; letter-spacing: -0.02em; }
#chromalab-app .cl-brand-tag { font-size: 11px; color: var(--text-muted); margin-top: 2px; text-transform: uppercase; letter-spacing: 0.1em; }

#chromalab-app .cl-nav-tabs {
    display: flex;
    gap: 4px;
    margin-left: auto;
    background: var(--bg-card);
    padding: 4px;
    border-radius: 10px;
    border: 1px solid var(--border);
    overflow-x: auto;
    scrollbar-width: none;
}
#chromalab-app .cl-nav-tabs::-webkit-scrollbar { display: none; }

#chromalab-app .cl-tab {
    padding: 8px 16px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 13px;
    font-weight: 500;
    border-radius: 7px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
#chromalab-app .cl-tab:hover { color: var(--text); background: var(--bg-hover); }
#chromalab-app .cl-tab.active { background: var(--accent); color: #fff; }

#chromalab-app .cl-header-actions { display: flex; gap: 8px; }

#chromalab-app .cl-icon-btn {
    width: 38px; height: 38px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}
#chromalab-app .cl-icon-btn:hover { background: var(--bg-hover); border-color: var(--border-light); }

#chromalab-app .cl-theme-toggle .cl-icon-sun { display: none; }
#chromalab-app[data-theme="light"] .cl-theme-toggle .cl-icon-moon { display: none; }
#chromalab-app[data-theme="light"] .cl-theme-toggle .cl-icon-sun { display: block; }

/* ===== MAIN ===== */
#chromalab-app .cl-main {
    padding: 32px 28px 80px;
    position: relative;
    z-index: 1;
}

#chromalab-app .cl-tool-section { display: none; animation: cl-fadeIn 0.3s ease; }
#chromalab-app .cl-tool-section.active { display: block; }

@keyframes cl-fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

#chromalab-app .cl-section-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 20px;
    margin-bottom: 28px;
    flex-wrap: wrap;
}

#chromalab-app .cl-section-title {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--text), var(--text-secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

#chromalab-app .cl-section-sub {
    color: var(--text-secondary);
    font-size: 14px;
    margin-top: 6px;
    max-width: 600px;
}

#chromalab-app .cl-section-actions { display: flex; gap: 10px; align-items: center; }

#chromalab-app kbd {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 4px;
    padding: 1px 6px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text);
}

/* ===== BUTTONS ===== */
#chromalab-app .cl-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 13px;
    font-weight: 600;
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
    white-space: nowrap;
}
#chromalab-app .cl-btn:hover { background: var(--bg-hover); border-color: var(--border-light); transform: translateY(-1px); }
#chromalab-app .cl-btn:active { transform: translateY(0); }

#chromalab-app .cl-btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
#chromalab-app .cl-btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }

#chromalab-app .cl-btn-ghost { background: transparent; }
#chromalab-app .cl-btn-ghost:hover { background: var(--bg-hover); }

#chromalab-app .cl-btn-sm { padding: 7px 12px; font-size: 12px; }
#chromalab-app .cl-btn-block { width: 100%; justify-content: center; }

#chromalab-app .cl-select {
    padding: 10px 14px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    font-size: 13px;
    font-weight: 500;
    border-radius: 10px;
    cursor: pointer;
    outline: none;
}
#chromalab-app .cl-select:focus { border-color: var(--accent); }

/* ===== PALETTE ===== */
#chromalab-app .cl-palette-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 12px;
    margin-bottom: 20px;
    min-height: 380px;
}

#chromalab-app .cl-palette-card {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
}
#chromalab-app .cl-palette-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--border-light); }

#chromalab-app .cl-palette-swatch {
    flex: 1;
    min-height: 280px;
    position: relative;
    display: flex;
    align-items: flex-end;
    padding: 16px;
}

#chromalab-app .cl-palette-info {
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(10px);
    padding: 8px 12px;
    border-radius: 8px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    font-weight: 600;
    color: #fff;
    width: 100%;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}
#chromalab-app[data-theme="light"] .cl-palette-info { background: rgba(255,255,255,0.85); color: #000; }

#chromalab-app .cl-palette-actions {
    position: absolute;
    top: 12px;
    right: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    opacity: 0;
    transition: var(--transition);
}
#chromalab-app .cl-palette-card:hover .cl-palette-actions { opacity: 1; }

#chromalab-app .cl-palette-action {
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(10px);
    border: none;
    color: #fff;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}
#chromalab-app .cl-palette-action:hover { background: rgba(0,0,0,0.8); }
#chromalab-app .cl-palette-action.locked { background: var(--accent); }
#chromalab-app[data-theme="light"] .cl-palette-action { background: rgba(255,255,255,0.85); color: #000; }
#chromalab-app[data-theme="light"] .cl-palette-action:hover { background: #fff; }

#chromalab-app .cl-palette-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    flex-wrap: wrap;
    gap: 12px;
}

#chromalab-app .cl-export-group, #chromalab-app .cl-action-group { display: flex; gap: 8px; align-items: center; }
#chromalab-app .cl-label { color: var(--text-muted); font-size: 12px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }

/* ===== CONTRAST ===== */
#chromalab-app .cl-contrast-layout {
    display: grid;
    grid-template-columns: 320px 1fr 320px;
    gap: 20px;
}

#chromalab-app .cl-contrast-inputs {
    display: flex;
    flex-direction: column;
    gap: 16px;
    align-items: center;
}

#chromalab-app .cl-color-input-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    width: 100%;
}

#chromalab-app .cl-card-label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 10px;
}

#chromalab-app .cl-color-input-row { display: flex; gap: 10px; align-items: center; }

#chromalab-app .cl-color-picker {
    width: 50px; height: 50px;
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    background: none;
    padding: 0;
}
#chromalab-app .cl-color-picker::-webkit-color-swatch-wrapper { padding: 4px; }
#chromalab-app .cl-color-picker::-webkit-color-swatch { border: none; border-radius: 6px; }
#chromalab-app .cl-color-picker::-moz-color-swatch { border: none; border-radius: 6px; }

#chromalab-app .cl-hex-input {
    flex: 1;
    padding: 12px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 14px;
    font-weight: 600;
    border-radius: 10px;
    outline: none;
    text-transform: uppercase;
}
#chromalab-app .cl-hex-input:focus { border-color: var(--accent); }

#chromalab-app .cl-rgb-display {
    margin-top: 10px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text-muted);
}

#chromalab-app .cl-swap-btn {
    width: 40px; height: 40px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text);
    border-radius: 10px;
    cursor: pointer;
    transition: var(--transition);
}
#chromalab-app .cl-swap-btn:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: rotate(180deg); }

#chromalab-app .cl-contrast-preview {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 32px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    min-height: 400px;
}

#chromalab-app .cl-preview-large h2 { font-size: 32px; font-weight: 800; margin-bottom: 8px; }
#chromalab-app .cl-preview-large p { font-size: 18px; }

#chromalab-app .cl-preview-small p { font-size: 12px; line-height: 1.6; }

#chromalab-app .cl-preview-ui { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
#chromalab-app .cl-ui-btn {
    padding: 8px 18px;
    background: var(--fg-color, #fff);
    color: var(--bg-color, #7c5cff);
    border: none;
    border-radius: 8px;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
}
#chromalab-app .cl-ui-tag {
    padding: 4px 10px;
    background: var(--fg-color, #fff);
    color: var(--bg-color, #7c5cff);
    border-radius: 6px;
    font-size: 11px;
    font-weight: 600;
}
#chromalab-app .cl-ui-input {
    padding: 8px 12px;
    background: transparent;
    border: 1.5px solid var(--fg-color, #fff);
    color: var(--fg-color, #fff);
    border-radius: 8px;
    font-family: inherit;
    font-size: 13px;
    outline: none;
}

#chromalab-app .cl-contrast-results {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

#chromalab-app .cl-ratio-display {
    text-align: center;
    padding: 20px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    margin-bottom: 16px;
}
#chromalab-app .cl-ratio-label { display: block; font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--text-muted); }
#chromalab-app .cl-ratio-value { font-size: 42px; font-weight: 800; font-family: 'JetBrains Mono', monospace; letter-spacing: -0.03em; }

#chromalab-app .cl-wcag-grid { display: flex; flex-direction: column; gap: 8px; }

#chromalab-app .cl-wcag-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg);
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
    transition: var(--transition);
}

#chromalab-app .cl-wcag-badge {
    width: 40px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg-hover);
    color: var(--text-secondary);
    font-size: 11px;
    font-weight: 700;
    border-radius: 6px;
}

#chromalab-app .cl-wcag-detail { flex: 1; display: flex; flex-direction: column; }
#chromalab-app .cl-wcag-label { font-size: 13px; font-weight: 600; }
#chromalab-app .cl-wcag-req { font-size: 11px; color: var(--text-muted); font-family: 'JetBrains Mono', monospace; }

#chromalab-app .cl-wcag-status {
    width: 24px; height: 24px;
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    font-size: 14px;
    font-weight: 700;
    background: var(--bg-hover);
    color: var(--text-muted);
}
#chromalab-app .cl-wcag-item.pass .cl-wcag-status { background: var(--success); color: #fff; }
#chromalab-app .cl-wcag-item.fail .cl-wcag-status { background: var(--danger); color: #fff; }
#chromalab-app .cl-wcag-item.pass { border-color: var(--success); }
#chromalab-app .cl-wcag-item.fail { border-color: var(--danger); }

/* ===== CONVERTER ===== */
#chromalab-app .cl-converter-layout {
    display: grid;
    grid-template-columns: 280px 1fr 320px;
    gap: 20px;
}

#chromalab-app .cl-converter-picker {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

#chromalab-app .cl-big-preview {
    width: 100%;
    aspect-ratio: 1;
    border-radius: var(--radius-sm);
    background: #7c5cff;
    border: 1px solid var(--border);
}

#chromalab-app .cl-color-picker-large {
    width: 60px; height: 60px;
    border: 2px solid var(--border);
    border-radius: 50%;
    cursor: pointer;
    padding: 0;
    background: none;
}
#chromalab-app .cl-color-picker-large::-webkit-color-swatch-wrapper { padding: 4px; }
#chromalab-app .cl-color-picker-large::-webkit-color-swatch { border: none; border-radius: 50%; }

#chromalab-app .cl-picker-hint { font-size: 12px; color: var(--text-muted); }

#chromalab-app .cl-converter-formats {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

#chromalab-app .cl-format-row { display: flex; align-items: center; gap: 10px; }
#chromalab-app .cl-format-label {
    width: 50px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-muted);
    letter-spacing: 0.05em;
}
#chromalab-app .cl-format-input {
    flex: 1;
    padding: 10px 12px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    border-radius: 8px;
    outline: none;
}
#chromalab-app .cl-format-input:focus { border-color: var(--accent); }

#chromalab-app .cl-copy-btn {
    padding: 8px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}
#chromalab-app .cl-copy-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

#chromalab-app .cl-converter-sliders {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}

#chromalab-app .cl-slider-title {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 14px;
}

#chromalab-app .cl-slider-row { display: grid; grid-template-columns: 80px 1fr 50px; align-items: center; gap: 12px; margin-bottom: 12px; }
#chromalab-app .cl-slider-row label { font-size: 13px; color: var(--text-secondary); }
#chromalab-app .cl-slider-row .cl-slider-val { font-family: 'JetBrains Mono', monospace; font-size: 12px; text-align: right; color: var(--text); }

#chromalab-app .cl-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    background: var(--bg);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
}
#chromalab-app .cl-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 18px; height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--bg);
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}
#chromalab-app .cl-slider::-moz-range-thumb {
    width: 18px; height: 18px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    border: 2px solid var(--bg);
}

#chromalab-app .cl-slider-hue {
    background: linear-gradient(to right, #f00, #ff0, #0f0, #0ff, #00f, #f0f, #f00);
}

#chromalab-app .cl-variations {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 6px;
}
#chromalab-app .cl-var-swatch {
    aspect-ratio: 1;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    border: 1px solid var(--border);
    transition: var(--transition);
}
#chromalab-app .cl-var-swatch:hover { transform: scale(1.1); z-index: 1; }
#chromalab-app .cl-var-swatch::after {
    content: attr(data-hex);
    position: absolute;
    bottom: -22px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 9px;
    font-family: 'JetBrains Mono', monospace;
    color: var(--text-muted);
    opacity: 0;
    transition: var(--transition);
    white-space: nowrap;
}
#chromalab-app .cl-var-swatch:hover::after { opacity: 1; }

/* ===== HARMONY ===== */
#chromalab-app .cl-harmony-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 16px;
}

#chromalab-app .cl-harmony-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    transition: var(--transition);
}
#chromalab-app .cl-harmony-card:hover { border-color: var(--border-light); }

#chromalab-app .cl-harmony-name { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
#chromalab-app .cl-harmony-desc { font-size: 12px; color: var(--text-muted); margin-bottom: 12px; }

#chromalab-app .cl-harmony-colors {
    display: flex;
    gap: 6px;
    height: 80px;
    border-radius: 8px;
    overflow: hidden;
}

#chromalab-app .cl-harmony-color {
    flex: 1;
    cursor: pointer;
    position: relative;
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 8px 4px;
    transition: var(--transition);
}
#chromalab-app .cl-harmony-color:hover { flex: 1.5; }
#chromalab-app .cl-harmony-color span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 10px;
    font-weight: 600;
    color: #fff;
    background: rgba(0,0,0,0.5);
    padding: 2px 6px;
    border-radius: 4px;
    text-transform: uppercase;
}

/* ===== GRADIENT ===== */
#chromalab-app .cl-gradient-layout {
    display: grid;
    grid-template-columns: 320px 1fr;
    gap: 20px;
}

#chromalab-app .cl-gradient-controls {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    height: fit-content;
}

#chromalab-app .cl-control-group { display: flex; flex-direction: column; gap: 8px; }
#chromalab-app .cl-control-group label { font-size: 12px; font-weight: 600; color: var(--text-secondary); }

#chromalab-app .cl-seg-control {
    display: flex;
    background: var(--bg);
    border-radius: 8px;
    padding: 3px;
    border: 1px solid var(--border);
}
#chromalab-app .cl-seg-btn {
    flex: 1;
    padding: 8px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 600;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}
#chromalab-app .cl-seg-btn.active { background: var(--accent); color: #fff; }

#chromalab-app .cl-stops-list { display: flex; flex-direction: column; gap: 8px; }

#chromalab-app .cl-stop-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px;
    background: var(--bg);
    border-radius: 8px;
    border: 1px solid var(--border);
}
#chromalab-app .cl-stop-item input[type="color"] { width: 32px; height: 32px; border: none; background: none; cursor: pointer; padding: 0; }
#chromalab-app .cl-stop-item input[type="color"]::-webkit-color-swatch-wrapper { padding: 0; }
#chromalab-app .cl-stop-item input[type="color"]::-webkit-color-swatch { border: 1px solid var(--border); border-radius: 6px; }
#chromalab-app .cl-stop-item input[type="range"] { flex: 1; }
#chromalab-app .cl-stop-item .cl-stop-pos { font-family: 'JetBrains Mono', monospace; font-size: 11px; width: 36px; text-align: right; }
#chromalab-app .cl-stop-item .cl-stop-remove {
    width: 24px; height: 24px;
    display: flex; align-items: center; justify-content: center;
    background: transparent; border: none; color: var(--text-muted);
    cursor: pointer; border-radius: 4px;
}
#chromalab-app .cl-stop-item .cl-stop-remove:hover { color: var(--danger); background: var(--bg-hover); }

#chromalab-app .cl-gradient-preview-wrap {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

#chromalab-app .cl-gradient-preview {
    height: 280px;
    border-radius: var(--radius);
    border: 1px solid var(--border);
    background: linear-gradient(90deg, #7c5cff, #ff5c8a);
}

#chromalab-app .cl-gradient-code {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
    display: flex;
    align-items: center;
    gap: 12px;
}
#chromalab-app .cl-gradient-code code {
    flex: 1;
    font-family: 'JetBrains Mono', monospace;
    font-size: 13px;
    color: var(--text);
    word-break: break-all;
}

#chromalab-app .cl-gradient-presets h4 {
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    margin-bottom: 10px;
}
#chromalab-app .cl-preset-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 8px;
}
#chromalab-app .cl-preset-item {
    height: 60px;
    border-radius: 8px;
    cursor: pointer;
    border: 1px solid var(--border);
    transition: var(--transition);
}
#chromalab-app .cl-preset-item:hover { transform: scale(1.05); }

/* ===== SIMULATE ===== */
#chromalab-app .cl-sim-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

#chromalab-app .cl-sim-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

#chromalab-app .cl-sim-title { font-size: 14px; font-weight: 700; margin-bottom: 4px; }
#chromalab-app .cl-sim-desc { font-size: 12px; color: var(--text-muted); margin-bottom: 12px; }

#chromalab-app .cl-sim-colors {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(60px, 1fr));
    gap: 6px;
}

#chromalab-app .cl-sim-color {
    aspect-ratio: 1;
    border-radius: 8px;
    cursor: pointer;
    position: relative;
    border: 1px solid var(--border);
    display: flex;
    align-items: flex-end;
    justify-content: center;
    padding: 4px;
}
#chromalab-app .cl-sim-color span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    font-weight: 600;
    color: #fff;
    background: rgba(0,0,0,0.5);
    padding: 1px 4px;
    border-radius: 3px;
}

#chromalab-app .cl-sim-info {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 20px;
}
#chromalab-app .cl-sim-info h3 { font-size: 16px; margin-bottom: 8px; }
#chromalab-app .cl-sim-info p { color: var(--text-secondary); margin-bottom: 16px; }

#chromalab-app .cl-sim-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 10px; }
#chromalab-app .cl-sim-stat {
    padding: 12px;
    background: var(--bg);
    border-radius: 8px;
    border: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    gap: 2px;
}
#chromalab-app .cl-sim-stat strong { font-size: 13px; }
#chromalab-app .cl-sim-stat span { font-size: 11px; color: var(--text-muted); }

/* ===== LIBRARY ===== */
#chromalab-app .cl-library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

#chromalab-app .cl-empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    color: var(--text-muted);
}
#chromalab-app .cl-empty-state svg { margin-bottom: 16px; opacity: 0.4; }
#chromalab-app .cl-empty-state h3 { font-size: 18px; color: var(--text-secondary); margin-bottom: 8px; }

#chromalab-app .cl-library-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
#chromalab-app .cl-library-card:hover { border-color: var(--border-light); transform: translateY(-2px); }

#chromalab-app .cl-library-colors {
    display: flex;
    height: 100px;
}
#chromalab-app .cl-library-color {
    flex: 1;
    cursor: pointer;
    position: relative;
}
#chromalab-app .cl-library-color:hover::after {
    content: attr(data-hex);
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: #fff;
    background: rgba(0,0,0,0.7);
    padding: 2px 4px;
    border-radius: 3px;
}

#chromalab-app .cl-library-meta {
    padding: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#chromalab-app .cl-library-name { font-size: 13px; font-weight: 600; }
#chromalab-app .cl-library-date { font-size: 11px; color: var(--text-muted); }
#chromalab-app .cl-library-actions { display: flex; gap: 4px; }
#chromalab-app .cl-library-action {
    width: 28px; height: 28px;
    display: flex; align-items: center; justify-content: center;
    background: var(--bg); border: 1px solid var(--border);
    color: var(--text-secondary); border-radius: 6px; cursor: pointer;
    transition: var(--transition);
}
#chromalab-app .cl-library-action:hover { color: var(--text); background: var(--bg-hover); }
#chromalab-app .cl-library-action.delete:hover { color: var(--danger); border-color: var(--danger); }

/* ===== TOAST ===== */
#chromalab-app .cl-toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    z-index: 10000;
    pointer-events: none;
}

#chromalab-app .cl-toast {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--accent);
    border-radius: 10px;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    animation: cl-slideIn 0.3s ease;
    pointer-events: auto;
    min-width: 240px;
    max-width: 360px;
}
#chromalab-app .cl-toast.success { border-left-color: var(--success); }
#chromalab-app .cl-toast.error { border-left-color: var(--danger); }
#chromalab-app .cl-toast.removing { animation: cl-slideOut 0.3s ease forwards; }

@keyframes cl-slideIn {
    from { transform: translateX(120%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}
@keyframes cl-slideOut {
    to { transform: translateX(120%); opacity: 0; }
}

#chromalab-app .cl-toast-icon {
    width: 20px; height: 20px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
#chromalab-app .cl-toast-msg { font-size: 13px; font-weight: 500; }

/* ===== MODAL ===== */
#chromalab-app .cl-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    padding: 20px;
}
#chromalab-app .cl-modal-overlay.active { display: flex; animation: cl-fadeIn 0.2s ease; }

#chromalab-app .cl-modal {
    background: var(--bg-elevated);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 500px;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    box-shadow: var(--shadow-lg);
}

#chromalab-app .cl-modal-head {
    padding: 18px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border);
}
#chromalab-app .cl-modal-head h3 { font-size: 16px; font-weight: 700; }

#chromalab-app .cl-modal-body {
    padding: 24px;
    overflow-y: auto;
    font-size: 13px;
    line-height: 1.6;
}

#chromalab-app .cl-modal-body pre {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    overflow-x: auto;
    white-space: pre-wrap;
    word-break: break-all;
}

#chromalab-app .cl-modal-input {
    width: 100%;
    padding: 12px 14px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text);
    font-family: inherit;
    font-size: 14px;
    border-radius: 10px;
    outline: none;
    margin-bottom: 12px;
}
#chromalab-app .cl-modal-input:focus { border-color: var(--accent); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    #chromalab-app .cl-contrast-layout, 
    #chromalab-app .cl-converter-layout, 
    #chromalab-app .cl-gradient-layout {
        grid-template-columns: 1fr;
    }
    #chromalab-app .cl-palette-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (max-width: 640px) {
    #chromalab-app .cl-header-inner { flex-wrap: wrap; gap: 12px; padding: 12px 16px; }
    #chromalab-app .cl-nav-tabs { order: 3; width: 100%; }
    #chromalab-app .cl-main { padding: 20px 16px 60px; }
    #chromalab-app .cl-section-title { font-size: 22px; }
    #chromalab-app .cl-palette-grid { grid-template-columns: repeat(2, 1fr); }
    #chromalab-app .cl-palette-swatch { min-height: 180px; }
    #chromalab-app .cl-harmony-grid { grid-template-columns: 1fr; }
}

/* Scrollbar */
#chromalab-app ::-webkit-scrollbar { width: 8px; height: 8px; }
#chromalab-app ::-webkit-scrollbar-track { background: var(--bg); }
#chromalab-app ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
#chromalab-app ::-webkit-scrollbar-thumb:hover { background: var(--border-light); }