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

:root {
    --accent: #6366f1;
    --accent-dim: rgba(99, 102, 241, 0.15);
    --accent-glow: rgba(99, 102, 241, 0.45);
    --bg: #0a0a0f;
    --bg2: rgba(255, 255, 255, 0.04);
    --text: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.45);
    --text-mid: rgba(255, 255, 255, 0.7);
    --radius: 16px;
    --radius-sm: 10px;
    color-scheme: light dark;
}

html, body {
    height: 100%;
    overflow: hidden;
}

body {
    background: var(--bg);
    background-image: radial-gradient(ellipse 80% 60% at 50% -20%, rgba(99, 102, 241, 0.08), transparent),
                      radial-gradient(ellipse 60% 40% at 80% 100%, rgba(99, 102, 241, 0.05), transparent);
    color: var(--text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    -webkit-font-smoothing: antialiased;
}

/* ─── Header ─── */

#header {
    position: fixed;
    top: 0; left: 0; right: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 36px;
    z-index: 100;
    background: rgba(10, 10, 15, 0.6);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

#title {
    font-size: 20px;
    font-weight: 700;
    letter-spacing: -0.3px;
    background: linear-gradient(135deg, #fff 40%, rgba(255, 255, 255, 0.6));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

#header-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

#info-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-style: italic;
    font-weight: 700;
    font-size: 16px;
    font-family: serif;
    line-height: 1;
    padding: 0;
    color: var(--text-dim);
    transition: all 0.2s ease;
}

#info-btn.focused {
    outline: 2px solid var(--accent-glow);
    outline-offset: 2px;
}

/* ─── Modal ─── */

.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease;
}

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

.modal-content {
    background: #1a1a2a;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 40px;
    max-width: 520px;
    width: 90%;
    display: flex;
    flex-direction: column;
    gap: 24px;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.modal-body h2 {
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(135deg, #fff 40%, rgba(255, 255, 255, 0.6));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-body p {
    font-size: 15px;
    line-height: 1.6;
    color: var(--text-mid);
    margin-bottom: 12px;
}

.modal-body a {
    color: var(--accent);
    text-decoration: none;
}

.modal-body a:hover {
    text-decoration: underline;
}

#modal-close {
    align-self: flex-end;
    padding: 10px 28px;
    font-size: 14px;
    font-weight: 600;
}

#modal-close.focused {
    outline: 2px solid var(--accent-glow);
    outline-offset: 2px;
}

#filter-bar {
    display: flex;
    align-items: center;
    gap: 8px;
}

#theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
    line-height: 1;
}

#theme-toggle svg {
    display: block;
}

/* ─── Filter Tabs ─── */

.filter-group {
    display: flex;
    gap: 3px;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-sm);
    padding: 4px;
    border: 1px solid rgba(255, 255, 255, 0.06);
}

.filter-btn {
    background: none;
    border: none;
    color: var(--text-dim);
    padding: 8px 18px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    font-family: inherit;
}

.filter-btn.active {
    background: var(--accent-dim);
    color: var(--accent);
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.filter-btn.focused {
    outline: 2px solid var(--accent-glow);
    outline-offset: 2px;
}

/* ─── Categories ─── */

#categories-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 40px;
    padding: 88px 48px 40px;
    overflow: hidden;
}

.category-row {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.category-label {
    font-size: 15px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--text-dim);
    padding-left: 4px;
}

.category-apps {
    display: flex;
    gap: 20px;
    overflow: hidden;
    padding: 6px 4px;
    scroll-behavior: smooth;
}

/* ─── App Cards ─── */

.app-card {
    flex-shrink: 0;
    width: 148px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    padding: 20px 14px 14px;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
    border: 1.5px solid transparent;
    background: var(--bg2);
    position: relative;
}

.app-card::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius);
    padding: 1.5px;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), transparent 50%);
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.app-card.active::before {
    opacity: 1;
}

.app-card.active {
    border-color: rgba(99, 102, 241, 0.5);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.04));
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

.app-card.active .app-card-icon {
    transform: scale(1.1);
}

.app-card.active .app-card-name {
    color: var(--accent);
}

/* ─── Card Icon ─── */

.app-card-icon {
    width: 76px;
    height: 76px;
    border-radius: 14px;
    object-fit: contain;
    object-position: center;
    background: rgba(255, 255, 255, 0.06);
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 8px;
}

.app-card-icon-fallback {
    width: 76px;
    height: 76px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    font-weight: 700;
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-dim);
    transition: transform 0.3s ease;
}

/* ─── Card Name ─── */

.app-card-name {
    font-size: 13px;
    text-align: center;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 100%;
    color: var(--text-mid);
    transition: color 0.2s ease;
    font-weight: 500;
}

/* ─── Card Badge ─── */

.app-card-badge {
    font-size: 10px;
    padding: 3px 10px;
    border-radius: 6px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-dim);
    font-weight: 500;
    letter-spacing: 0.3px;
}

/* ─── Empty State ─── */

.empty-state {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    font-size: 16px;
    color: var(--text-dim);
}

/* ─── Light Mode ─── */

@media (prefers-color-scheme: light) {
    body:not(.force-dark) {
        --accent: #4f46e5;
        --accent-dim: rgba(79, 70, 229, 0.1);
        --accent-glow: rgba(79, 70, 229, 0.25);
        --bg: #f8f9fc;
        --bg2: #ffffff;
        --text: #1a1a2e;
        --text-dim: rgba(0, 0, 0, 0.3);
        --text-mid: rgba(0, 0, 0, 0.55);
        background: linear-gradient(145deg, #f0f2f8 0%, #e8ecf5 40%, #f5f0f8 100%);
    }

    body:not(.force-dark) #header {
        background: rgba(248, 249, 252, 0.75);
        border-bottom: 1px solid rgba(0, 0, 0, 0.07);
        backdrop-filter: blur(20px);
    }

    body:not(.force-dark) #title {
        background: linear-gradient(135deg, #1a1a2e 40%, rgba(26, 26, 46, 0.5));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    body:not(.force-dark) .filter-group {
        background: #ffffff;
        border-color: rgba(0, 0, 0, 0.08);
        box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
    }

    body:not(.force-dark) .filter-btn {
        color: rgba(0, 0, 0, 0.4);
    }

    body:not(.force-dark) .filter-btn.active {
        background: var(--accent-dim);
        color: var(--accent);
        box-shadow: 0 1px 4px rgba(79, 70, 229, 0.15);
    }

    body:not(.force-dark) .app-card {
        background: var(--bg2);
        border-color: rgba(0, 0, 0, 0.06);
        box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
    }

    body:not(.force-dark) .app-card.active {
        border-color: rgba(79, 70, 229, 0.4);
        background: linear-gradient(135deg, rgba(79, 70, 229, 0.06), #ffffff 80%);
        box-shadow: 0 0 24px rgba(79, 70, 229, 0.12), 0 4px 12px rgba(79, 70, 229, 0.06);
    }

    body:not(.force-dark) .app-card-icon {
        background: rgba(0, 0, 0, 0.03);
    }

    body:not(.force-dark) .app-card-icon-fallback {
        background: rgba(0, 0, 0, 0.05);
        color: rgba(0, 0, 0, 0.25);
    }

    body:not(.force-dark) .app-card-name {
        color: var(--text-mid);
    }

    body:not(.force-dark) .app-card-badge {
        background: rgba(0, 0, 0, 0.04);
        color: rgba(0, 0, 0, 0.4);
    }

    body:not(.force-dark) .category-label {
        color: rgba(0, 0, 0, 0.35);
    }

    body:not(.force-dark) .empty-state {
        color: rgba(0, 0, 0, 0.25);
    }

    body:not(.force-dark) .modal-content {
        background: #ffffff;
        border-color: rgba(0, 0, 0, 0.1);
        box-shadow: 0 24px 80px rgba(0, 0, 0, 0.15);
    }

    body:not(.force-dark) .modal-body h2 {
        background: linear-gradient(135deg, #1a1a2e 40%, rgba(26, 26, 46, 0.5));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }

    body:not(.force-dark) .modal-body p {
        color: rgba(0, 0, 0, 0.55);
    }
}

/* ─── Force Light Override ─── */

body.force-light {
    --accent: #4f46e5;
    --accent-dim: rgba(79, 70, 229, 0.1);
    --accent-glow: rgba(79, 70, 229, 0.25);
    --bg: #f8f9fc;
    --bg2: #ffffff;
    --text: #1a1a2e;
    --text-dim: rgba(0, 0, 0, 0.3);
    --text-mid: rgba(0, 0, 0, 0.55);
    background: linear-gradient(145deg, #f0f2f8 0%, #e8ecf5 40%, #f5f0f8 100%);
}

body.force-light #header {
    background: rgba(248, 249, 252, 0.75);
    border-bottom: 1px solid rgba(0, 0, 0, 0.07);
    backdrop-filter: blur(20px);
}

body.force-light #title {
    background: linear-gradient(135deg, #1a1a2e 40%, rgba(26, 26, 46, 0.5));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.force-light .filter-group {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.08);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}

body.force-light .filter-btn {
    color: rgba(0, 0, 0, 0.4);
}

body.force-light .filter-btn.active {
    background: var(--accent-dim);
    color: var(--accent);
    box-shadow: 0 1px 4px rgba(79, 70, 229, 0.15);
}

body.force-light .app-card {
    background: var(--bg2);
    border-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

body.force-light .app-card.active {
    border-color: rgba(79, 70, 229, 0.4);
    background: linear-gradient(135deg, rgba(79, 70, 229, 0.06), #ffffff 80%);
    box-shadow: 0 0 24px rgba(79, 70, 229, 0.12), 0 4px 12px rgba(79, 70, 229, 0.06);
}

body.force-light .app-card-icon {
    background: rgba(0, 0, 0, 0.03);
}

body.force-light .app-card-icon-fallback {
    background: rgba(0, 0, 0, 0.05);
    color: rgba(0, 0, 0, 0.25);
}

body.force-light .app-card-name {
    color: var(--text-mid);
}

body.force-light .app-card-badge {
    background: rgba(0, 0, 0, 0.04);
    color: rgba(0, 0, 0, 0.4);
}

body.force-light .category-label {
    color: rgba(0, 0, 0, 0.35);
}

body.force-light .empty-state {
    color: rgba(0, 0, 0, 0.25);
}

body.force-light .modal-content {
    background: #ffffff;
    border-color: rgba(0, 0, 0, 0.1);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.15);
}

body.force-light .modal-body h2 {
    background: linear-gradient(135deg, #1a1a2e 40%, rgba(26, 26, 46, 0.5));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.force-light .modal-body p {
    color: rgba(0, 0, 0, 0.55);
}

/* ─── Force Dark Override ─── */

body.force-dark {
    --accent: #6366f1;
    --accent-dim: rgba(99, 102, 241, 0.15);
    --accent-glow: rgba(99, 102, 241, 0.45);
    --bg: #0a0a0f;
    --bg2: rgba(255, 255, 255, 0.04);
    --text: #ffffff;
    --text-dim: rgba(255, 255, 255, 0.45);
    --text-mid: rgba(255, 255, 255, 0.7);
    background: var(--bg);
}

body.force-dark #header {
    background: rgba(10, 10, 15, 0.6);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

body.force-dark .filter-group {
    background: rgba(255, 255, 255, 0.06);
    border-color: rgba(255, 255, 255, 0.06);
}

body.force-dark .filter-btn {
    color: var(--text-dim);
}

body.force-dark .filter-btn.active {
    background: var(--accent-dim);
    color: var(--accent);
}

body.force-dark .app-card {
    background: var(--bg2);
}

body.force-dark .app-card.active {
    border-color: rgba(99, 102, 241, 0.5);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(99, 102, 241, 0.04));
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.25), inset 0 1px 0 rgba(255, 255, 255, 0.06);
}

body.force-dark .app-card-icon {
    background: rgba(255, 255, 255, 0.06);
}

body.force-dark .app-card-icon-fallback {
    background: rgba(255, 255, 255, 0.08);
    color: var(--text-dim);
}

body.force-dark .app-card-name {
    color: var(--text-mid);
}

body.force-dark .app-card-badge {
    background: rgba(255, 255, 255, 0.06);
    color: var(--text-dim);
}