:root {
    --primary-color: #4f46e5;
    --primary-color-rgb: 79, 70, 229;
    --choice-accent: #f59e0b;
    --bg-color: #f8fafc;
    --text-color: #0f172a;
    --surface-color: #ffffff;
    --muted-color: #64748b;
    --border-color: #e2e8f0;
    --band-color: #eef2ff;
    --app-font-sans: 'Tajawal', 'Apple Color Emoji', 'Segoe UI Emoji', 'Noto Color Emoji', sans-serif;
    --app-font-heading: 'IBM Plex Sans Arabic', 'Tajawal', sans-serif;
}
html.dark {
    --primary-color: #8360e1;
    --primary-color-rgb: 131, 96, 225;
    --choice-accent: #536379;
    --bg-color: #0f172a;
    --text-color: #f1f5f9;
    --surface-color: #1e293b;
    --muted-color: #94a3b8;
    --border-color: #334155;
    --band-color: #020617;
}

.theme-body {
    color: var(--text-color);
    font-family: var(--app-font-sans) !important;
    min-height: 100vh;
}

/* Light mode — soft mesh gradient (avoids flat white wash) */
html:not(.dark) {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(ellipse 115% 75% at 100% -18%, color-mix(in srgb, var(--primary-color) 15%, transparent), transparent 52%),
        radial-gradient(ellipse 95% 68% at -12% 108%, color-mix(in srgb, var(--choice-accent) 13%, transparent), transparent 54%),
        radial-gradient(ellipse 70% 55% at 52% 42%, color-mix(in srgb, var(--primary-color) 5%, transparent), transparent 68%),
        linear-gradient(
            168deg,
            color-mix(in srgb, var(--bg-color) 88%, var(--primary-color) 12%) 0%,
            var(--bg-color) 40%,
            color-mix(in srgb, var(--bg-color) 94%, var(--primary-color) 6%) 72%,
            color-mix(in srgb, var(--bg-color) 90%, var(--choice-accent) 10%) 100%
        );
    background-attachment: fixed;
    background-repeat: no-repeat;
}

html:not(.dark) .theme-body {
    background-color: transparent !important;
    background-image: none;
}

html.dark {
    background-color: var(--bg-color) !important;
    background-image: none !important;
}

html.dark .theme-body {
    background-color: transparent !important;
    background-image: none;
}
.font-heading { font-family: var(--app-font-heading) !important; }

.theme-text { color: var(--text-color); }
.theme-muted { color: var(--muted-color); }
.theme-hover-text:hover { color: var(--text-color); }
.theme-surface { background-color: var(--surface-color); border-color: var(--border-color); }
.theme-band { background-color: var(--band-color); border-color: var(--border-color); }
.theme-footer {
    background: color-mix(in srgb, var(--surface-color) 78%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-top: 1px solid color-mix(in srgb, var(--border-color) 88%, var(--primary-color) 12%);
}
html.dark .theme-footer {
    background: color-mix(in srgb, var(--bg-color) 88%, transparent);
    border-top-color: var(--border-color);
}
.theme-border { border-color: var(--border-color); }
.theme-border-t { border-top-color: var(--border-color); }
.theme-border-b { border-bottom-color: var(--border-color); }
.theme-border-y { border-top-color: var(--border-color); border-bottom-color: var(--border-color); }

.theme-nav {
    background: color-mix(in srgb, var(--surface-color) 78%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid color-mix(in srgb, var(--border-color) 88%, var(--primary-color) 12%);
}

html.dark .theme-nav {
    background: color-mix(in srgb, var(--bg-color) 88%, transparent);
    border-bottom-color: var(--border-color);
}

.theme-chip {
    background: color-mix(in srgb, var(--surface-color) 80%, var(--bg-color));
    border: 1px solid var(--border-color);
    color: var(--muted-color);
}

.theme-input {
    background-color: color-mix(in srgb, var(--surface-color) 92%, var(--bg-color));
    border-color: var(--border-color);
    color: var(--text-color);
}
.theme-input:focus {
    outline: none;
    box-shadow: 0 0 0 2px var(--bg-color), 0 0 0 4px var(--primary-color);
}

.theme-card {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

html:not(.dark) .theme-card {
    background: color-mix(in srgb, var(--surface-color) 92%, transparent);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 0 8px 28px -10px color-mix(in srgb, var(--primary-color) 10%, transparent);
}

.theme-primary-btn,
.theme-secondary-btn,
.theme-on-primary-btn,
.theme-cta-gradient,
.admin-action-primary,
.admin-action-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-weight: 800;
    border: 1px solid transparent;
    cursor: pointer;
    text-decoration: none;
    transition: filter 0.15s ease, background-color 0.15s ease, border-color 0.15s ease, box-shadow 0.15s ease, transform 0.12s ease, opacity 0.15s ease;
}

.theme-primary-btn:focus-visible,
.theme-secondary-btn:focus-visible,
.theme-on-primary-btn:focus-visible,
.theme-cta-gradient:focus-visible,
.admin-action-primary:focus-visible,
.admin-action-secondary:focus-visible {
    outline: 2px solid color-mix(in srgb, var(--primary-color) 65%, transparent);
    outline-offset: 2px;
}

.theme-primary-btn:disabled,
.theme-secondary-btn:disabled,
.theme-on-primary-btn:disabled,
.theme-cta-gradient:disabled,
.admin-action-primary:disabled,
.admin-action-secondary:disabled,
.theme-primary-btn[aria-disabled="true"],
.theme-secondary-btn[aria-disabled="true"] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    filter: none;
    transform: none;
}

.theme-secondary-btn,
.admin-action-secondary {
    background: color-mix(in srgb, var(--surface-color) 65%, var(--bg-color));
    color: var(--text-color);
    border-color: var(--border-color);
    box-shadow: 0 1px 2px color-mix(in srgb, var(--border-color) 35%, transparent);
}
.theme-secondary-btn:hover:not(:disabled),
.admin-action-secondary:hover:not(:disabled) {
    background: color-mix(in srgb, var(--border-color) 25%, var(--surface-color));
    border-color: color-mix(in srgb, var(--primary-color) 28%, var(--border-color));
}

.theme-primary-btn,
.admin-action-primary {
    background-color: var(--primary-color);
    color: #ffffff;
    box-shadow: 0 6px 16px -8px rgba(var(--primary-color-rgb), 0.55);
}
.theme-primary-btn:hover:not(:disabled),
.admin-action-primary:hover:not(:disabled) {
    filter: brightness(1.06);
}

.theme-on-primary-btn {
    background: #ffffff;
    color: var(--primary-color);
    box-shadow: 0 8px 20px -10px rgba(15, 23, 42, 0.35);
}
.theme-on-primary-btn:hover:not(:disabled) {
    filter: brightness(0.98);
    transform: translateY(-1px);
}

.theme-logo-mark {
    background-color: var(--primary-color);
    color: #ffffff;
}

.theme-app-sidebar {
    background-color: var(--surface-color) !important;
    border-color: var(--border-color) !important;
}

html:not(.dark) .theme-app-sidebar {
    background-color: var(--surface-color) !important;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
}

.theme-app-main {
    background-color: var(--bg-color) !important;
}

html:not(.dark) .theme-app-main {
    background: transparent !important;
}
.theme-app-topbar {
    background-color: var(--surface-color) !important;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border-bottom-color: var(--border-color) !important;
}

.sidebar-link.active {
    background-color: color-mix(in srgb, var(--primary-color) 22%, var(--surface-color));
    border-inline-start: 4px solid var(--primary-color);
    color: var(--primary-color);
    font-weight: 700;
    box-shadow: inset 0 0 0 1px color-mix(in srgb, var(--primary-color) 20%, transparent);
}
.sidebar-link.active svg {
    color: var(--primary-color);
}
.theme-app-sidebar .sidebar-link:not(.active):hover {
    color: var(--primary-color);
    background: color-mix(in srgb, var(--primary-color) 12%, transparent);
    border-inline-start: 3px solid color-mix(in srgb, var(--primary-color) 55%, transparent);
}
.theme-app-sidebar .sidebar-link {
    border-inline-start: 3px solid transparent;
    transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.sidebar-credits-bar {
    width: 100%;
    height: 6px;
    border-radius: 9999px;
    background: color-mix(in srgb, var(--border-color) 70%, transparent);
    overflow: hidden;
}
.sidebar-credits-bar-fill {
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, var(--primary-color), color-mix(in srgb, var(--primary-color) 55%, var(--choice-accent)));
    transition: width 0.4s ease;
}
.sidebar-credits-bar-fill--low {
    background: linear-gradient(90deg, #f59e0b, #ef4444);
}

.theme-table-head {
    background: color-mix(in srgb, var(--band-color) 50%, var(--surface-color));
    border-bottom: 1px solid var(--border-color);
    color: var(--muted-color);
}
.theme-row-hover:hover {
    background: color-mix(in srgb, var(--primary-color) 7%, var(--surface-color));
}
.theme-table-row-clickable:hover {
    background: color-mix(in srgb, var(--primary-color) 9%, var(--surface-color));
}
.theme-avatar-box {
    background: color-mix(in srgb, var(--border-color) 30%, var(--surface-color));
    border: 1px solid var(--border-color);
    color: var(--muted-color);
}
.theme-skeleton-line {
    background: color-mix(in srgb, var(--border-color) 45%, var(--surface-color));
}
.theme-preset-btn {
    background: var(--surface-color);
    border: 2px solid var(--border-color);
    color: var(--text-color);
}
.theme-preset-btn:hover {
    border-color: color-mix(in srgb, var(--primary-color) 55%, var(--border-color));
}
.theme-preset-btn-active {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary-color) 22%, transparent);
}

.theme-table tbody tr + tr {
    border-top: 1px solid var(--border-color);
}

.theme-dashboard-glass.theme-card,
.theme-dashboard-glass {
    background: color-mix(in srgb, var(--surface-color) 94%, transparent);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-color: var(--border-color);
    box-shadow: 0 25px 50px -12px color-mix(in srgb, var(--border-color) 40%, transparent);
}
html.dark .theme-dashboard-glass.theme-card,
html.dark .theme-dashboard-glass {
    background: color-mix(in srgb, var(--surface-color) 82%, var(--bg-color));
}
.theme-smart-mode-box {
    border: 1px solid color-mix(in srgb, var(--primary-color) 42%, var(--border-color));
    background: linear-gradient(145deg, color-mix(in srgb, var(--primary-color) 11%, var(--surface-color)), color-mix(in srgb, var(--surface-color) 92%, var(--bg-color)));
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}
.theme-cta-gradient {
    background: linear-gradient(
        105deg,
        var(--primary-color),
        color-mix(in srgb, var(--primary-color) 58%, var(--choice-accent)),
        var(--choice-accent)
    );
    background-size: 200% auto;
    color: #ffffff !important;
    border-color: transparent;
    box-shadow: 0 10px 24px -12px rgba(var(--primary-color-rgb), 0.55);
}
.theme-cta-gradient:hover:not(:disabled) {
    filter: brightness(1.06);
    background-position: 100% center;
}
.theme-person-choice {
    background: linear-gradient(
        145deg,
        color-mix(in srgb, var(--surface-color) 88%, var(--choice-accent) 12%),
        color-mix(in srgb, var(--surface-color) 92%, var(--primary-color) 8%)
    );
    border: 2px solid color-mix(in srgb, var(--border-color) 35%, var(--choice-accent) 65%);
    color: var(--text-color);
    box-shadow:
        0 1px 2px color-mix(in srgb, var(--border-color) 30%, transparent),
        0 0 0 1px color-mix(in srgb, var(--choice-accent) 22%, transparent) inset;
}
.theme-person-choice:hover {
    border-color: color-mix(in srgb, var(--choice-accent) 78%, var(--border-color));
    background: linear-gradient(
        145deg,
        color-mix(in srgb, var(--surface-color) 72%, var(--choice-accent) 22%),
        color-mix(in srgb, var(--surface-color) 82%, var(--primary-color) 12%)
    );
    box-shadow:
        0 2px 12px color-mix(in srgb, var(--choice-accent) 28%, transparent),
        0 0 0 1px color-mix(in srgb, var(--choice-accent) 35%, transparent) inset;
}
.theme-person-choice.active {
    border-color: var(--primary-color) !important;
    background: linear-gradient(
        145deg,
        color-mix(in srgb, var(--surface-color) 58%, var(--primary-color) 22%),
        color-mix(in srgb, var(--surface-color) 70%, var(--choice-accent) 18%)
    ) !important;
    color: var(--text-color);
    box-shadow:
        0 0 0 2px color-mix(in srgb, var(--choice-accent) 45%, transparent),
        0 0 0 4px color-mix(in srgb, var(--primary-color) 32%, transparent),
        0 6px 20px color-mix(in srgb, var(--primary-color) 26%, transparent) !important;
}
html.dark .theme-person-choice {
    background: linear-gradient(
        145deg,
        color-mix(in srgb, var(--surface-color) 72%, var(--choice-accent) 20%),
        color-mix(in srgb, var(--surface-color) 80%, var(--primary-color) 12%)
    );
    border-color: color-mix(in srgb, var(--choice-accent) 70%, var(--border-color));
    box-shadow:
        0 1px 3px color-mix(in srgb, #000000 35%, transparent),
        0 0 0 1px color-mix(in srgb, var(--choice-accent) 30%, transparent) inset;
}
html.dark .theme-person-choice:hover {
    background: linear-gradient(
        145deg,
        color-mix(in srgb, var(--surface-color) 58%, var(--choice-accent) 30%),
        color-mix(in srgb, var(--surface-color) 72%, var(--primary-color) 16%)
    );
    border-color: color-mix(in srgb, var(--choice-accent) 88%, var(--border-color));
    box-shadow:
        0 4px 18px color-mix(in srgb, var(--choice-accent) 32%, transparent),
        0 0 0 1px color-mix(in srgb, var(--choice-accent) 40%, transparent) inset;
}
html.dark .theme-person-choice.active {
    background: linear-gradient(
        145deg,
        color-mix(in srgb, var(--surface-color) 48%, var(--primary-color) 28%),
        color-mix(in srgb, var(--surface-color) 62%, var(--choice-accent) 22%)
    ) !important;
}
.theme-drop-zone {
    background: color-mix(in srgb, var(--band-color) 40%, var(--surface-color));
    border-color: var(--border-color);
}
.theme-progress-shimmer {
    background: linear-gradient(90deg, var(--primary-color), color-mix(in srgb, var(--primary-color) 65%, #22d3ee), var(--primary-color));
    background-size: 200% 100%;
}
.create-tool-root .create-drop-zone.drag-active {
    border-color: color-mix(in srgb, var(--primary-color) 48%, var(--border-color)) !important;
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary-color) 12%, transparent);
}
.smart-mode-pulse {
    animation: themeSmartPulse 2s ease-in-out infinite;
}
@keyframes themeSmartPulse {
    0%, 100% { box-shadow: 0 0 0 0 color-mix(in srgb, var(--primary-color) 20%, transparent); }
    50% { box-shadow: 0 0 22px 5px color-mix(in srgb, var(--primary-color) 16%, transparent); }
}
.theme-dashboard-hero {
    position: relative;
    color: #ffffff;
    background:
        radial-gradient(ellipse 85% 65% at 100% -15%, color-mix(in srgb, #ffffff 32%, transparent), transparent 52%),
        radial-gradient(ellipse 75% 55% at -10% 105%, color-mix(in srgb, var(--primary-color) 55%, #ffffff), transparent 48%),
        linear-gradient(128deg,
            var(--primary-color) 0%,
            color-mix(in srgb, var(--primary-color) 68%, var(--choice-accent)) 45%,
            var(--choice-accent) 100%);
    box-shadow: 0 20px 40px -12px color-mix(in srgb, var(--primary-color) 45%, transparent);
}
.theme-dashboard-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    z-index: 1;
    border-radius: inherit;
    pointer-events: none;
    background: linear-gradient(165deg, transparent 40%, color-mix(in srgb, #000000 18%, transparent) 100%);
}
.theme-dashboard-hero .relative.z-10 {
    z-index: 2;
}
.theme-dashboard-hero .theme-dashboard-hero-muted {
    color: color-mix(in srgb, #ffffff 86%, transparent);
}
.theme-dashboard-hero-btn-secondary {
    background: color-mix(in srgb, #ffffff 22%, transparent);
    border: 2px solid color-mix(in srgb, #ffffff 55%, transparent);
    color: #ffffff !important;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}
.theme-dashboard-hero-btn-secondary:hover {
    background: color-mix(in srgb, #ffffff 34%, transparent);
    border-color: color-mix(in srgb, #ffffff 75%, transparent);
}