:root {
    --bg-main: #f6f5f2;
    --bg-surface: #ffffff;
    --bg-muted: #eceae4;
    --text-primary: #2d3130;
    --text-muted: #6c7270;
    --border-color: #dcd9d0;
    --accent-primary: #7b9acc;
    --accent-secondary: #8fb9a8;
    --accent-warn: #e6b89c;
    --accent-danger: #d98a8a;
    --radius: 6px;
}

html[data-theme="dark"] {
    --bg-main: #1e2124;
    --bg-surface: #272b30;
    --bg-muted: #31363c;
    --text-primary: #e6e8e6;
    --text-muted: #9da3a0;
    --border-color: #3d434a;
    --accent-primary: #8faadc;
    --accent-secondary: #88b3a1;
    --accent-warn: #d9a78b;
    --accent-danger: #c97a7a;
}

@media (prefers-color-scheme: dark) {
    html[data-theme="auto"] {
        --bg-main: #1e2124;
        --bg-surface: #272b30;
        --bg-muted: #31363c;
        --text-primary: #e6e8e6;
        --text-muted: #9da3a0;
        --border-color: #3d434a;
        --accent-primary: #8faadc;
        --accent-secondary: #88b3a1;
        --accent-warn: #d9a78b;
        --accent-danger: #c97a7a;
    }
}

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

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.5;
}

.hidden { display: none !important; }

.banner {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 1rem;
    font-size: 0.9rem;
    border-bottom: 1px solid var(--border-color);
}
.banner-warn { background-color: var(--accent-warn); color: #222; }
.banner-info { background-color: var(--accent-secondary); color: #1d2622; }

.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 1.2rem;
    flex-shrink: 0;
}

.brand-header {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}
.brand-header h1 {
    font-size: 1.15rem;
    font-weight: 600;
    text-transform: capitalize;
}

.nav-links {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    margin: 1rem 0 auto 0;
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: 0.7rem;
    width: 100%;
    padding: 0.65rem 0.8rem;
    border: 1px solid transparent;
    border-radius: var(--radius);
    background: transparent;
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    text-align: left;
}
.nav-btn:hover { background-color: var(--bg-muted); }
.nav-btn.active {
    background-color: var(--bg-muted);
    border-color: var(--accent-primary);
    font-weight: 600;
}

.sidebar-footer {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.theme-switcher {
    display: flex;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
}
.theme-btn {
    flex: 1;
    padding: 0.4rem;
    border: none;
    background: var(--bg-surface);
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    justify-content: center;
}
.theme-btn.active {
    background: var(--accent-primary);
    color: #1b222c;
}

.main-content {
    flex: 1;
    padding: 1.5rem 2rem;
    max-width: 1400px;
}

.section-header {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 1.15rem;
    margin-bottom: 1rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.stat-boxes {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
    margin-top: 0.75rem;
}
.stat-box {
    background-color: var(--bg-muted);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 0.8rem;
}
.stat-box .stat-val {
    font-size: 1.5rem;
    font-weight: 700;
}

.split-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 1.25rem;
}

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; margin-bottom: 0.75rem; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin-bottom: 0.75rem; }
.form-row { margin-bottom: 0.75rem; }

label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0.25rem;
}

.input {
    width: 100%;
    padding: 0.5rem 0.65rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-size: 0.92rem;
}

.input-inline {
    display: flex;
    gap: 0.5rem;
}

.checkbox-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin: 0.85rem 0;
    padding: 0.65rem;
    background-color: var(--bg-muted);
    border-radius: var(--radius);
}
.check-label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    color: var(--text-primary);
    cursor: pointer;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.45rem;
    padding: 0.5rem 0.9rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 0.9rem;
    cursor: pointer;
    background-color: var(--bg-muted);
    color: var(--text-primary);
}
.btn-primary {
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    color: #18202c;
    font-weight: 600;
}
.btn-outline { background-color: transparent; }
.btn-danger { background-color: var(--accent-danger); color: #1f1414; }
.btn-block { width: 100%; margin-top: 0.75rem; }
.btn-sm { padding: 0.35rem 0.6rem; font-size: 0.82rem; }

.button-group { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 0.5rem 0; }
.filter-bar { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.catalog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}
.catalog-card {
    background-color: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    cursor: pointer;
    display: flex;
    flex-direction: column;
}
.catalog-thumb {
    width: 100%;
    height: 170px;
    background-color: var(--bg-muted);
    object-fit: cover;
    border-bottom: 1px solid var(--border-color);
}
.catalog-card-body { padding: 0.75rem; }
.badge {
    display: inline-block;
    padding: 0.15rem 0.45rem;
    font-size: 0.75rem;
    border-radius: 4px;
    background-color: var(--bg-muted);
    border: 1px solid var(--border-color);
}

.scanner-box {
    margin-top: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    overflow: hidden;
    background: #000;
}
#scanner-video { width: 100%; max-height: 260px; display: block; }

.addon-config-list, .stack-list, .external-results-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.6rem;
}
.addon-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0.75rem;
    background-color: var(--bg-muted);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
}

.divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 1rem 0;
}
.text-muted { color: var(--text-muted); font-size: 0.88rem; }

.modal-overlay {
    position: fixed;
    inset: 0;
    background-color: rgba(0, 0, 0, 0.55);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}
.modal-box { width: 92%; max-width: 380px; }

@media (max-width: 768px) {
    .app-layout { flex-direction: column; padding-bottom: 65px; }
    .sidebar {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        width: 100%;
        height: 60px;
        flex-direction: row;
        padding: 0.25rem 0.5rem;
        border-right: none;
        border-top: 1px solid var(--border-color);
        z-index: 50;
    }
    .brand-header, .sidebar-footer { display: none; }
    .nav-links { flex-direction: row; width: 100%; margin: 0; justify-content: space-around; }
    .nav-btn { flex-direction: column; gap: 0.15rem; font-size: 0.72rem; padding: 0.3rem; justify-content: center; }
    .main-content { padding: 1rem; }
    .grid-2, .grid-3 { grid-template-columns: 1fr; }
}