/* ============================================
   System Customization Panel & Status Bar
   ============================================ */

/* --- Status Bar (sticky bottom) --- */
#system-status-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9990;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1rem;
    font-family: var(--font-mono);
    font-size: 0.68rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    color: var(--text-muted);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    user-select: none;
    transition: background 0.3s ease, border-color 0.3s ease;
}

.sb-section {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.sb-section--center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.sb-badge {
    padding: 0.1rem 0.5rem;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: var(--success);
    font-size: 0.62rem;
    text-transform: uppercase;
    transition: color 0.2s ease, border-color 0.2s ease;
}

.sb-badge--warn {
    color: var(--warning);
    border-color: var(--warning);
}

.sb-badge--muted {
    color: var(--text-muted);
    border-color: var(--border);
}

.sb-theme-label {
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.sb-clock {
    color: var(--text-secondary);
    font-variant-numeric: tabular-nums;
}

.sb-toggle-btn {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.64rem;
    font-weight: 600;
    padding: 0.15rem 0.6rem;
    cursor: pointer;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
    white-space: nowrap;
}

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

.sb-toggle-btn.active {
    color: var(--bg-primary);
    background: var(--accent);
    border-color: var(--accent);
}

/* Push page content above status bar */
body {
    padding-bottom: 32px;
}

/* --- Customizer Drawer --- */
#system-customizer {
    position: fixed;
    bottom: 32px;
    left: 0;
    right: 0;
    z-index: 9989;
    max-height: 0;
    overflow: hidden;
    background: var(--bg-primary);
    border-top: 1px solid var(--border);
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), border-color 0.3s ease;
}

#system-customizer.sc-open {
    max-height: 400px;
    overflow-y: auto;
}

.sc-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 1.25rem 1.5rem 1.5rem;
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

/* Section blocks */
.sc-section {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sc-heading {
    font-family: var(--font-heading);
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.sc-heading svg {
    width: 14px;
    height: 14px;
    stroke: var(--accent);
    flex-shrink: 0;
}

/* --- Theme Palette Cards --- */
.sc-theme-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.sc-theme-card {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.55rem 0.7rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    position: relative;
}

.sc-theme-card:hover {
    border-color: var(--accent);
}

.sc-theme-card.active {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow), inset 0 0 0 1px var(--accent);
}

.sc-theme-swatch {
    width: 28px;
    height: 28px;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,0.08);
    flex-shrink: 0;
    position: relative;
    overflow: hidden;
}

/* Swatch color previews */
.sc-theme-swatch--dark {
    background: #06060b;
}
.sc-theme-swatch--dark::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 8px;
    background: #00ff88;
}

.sc-theme-swatch--amber {
    background: #0a0800;
}
.sc-theme-swatch--amber::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 8px;
    background: #ffb000;
}

.sc-theme-swatch--matrix {
    background: #0a0f0a;
}
.sc-theme-swatch--matrix::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 8px;
    background: #33ff33;
}

.sc-theme-swatch--light {
    background: #f8f8f5;
    border-color: rgba(0,0,0,0.1);
}
.sc-theme-swatch--light::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0; right: 0;
    height: 8px;
    background: #00885a;
}

.sc-theme-label {
    font-family: var(--font-heading);
    font-size: 0.74rem;
    font-weight: 600;
    color: var(--text-primary);
    line-height: 1.2;
}

.sc-theme-sub {
    font-size: 0.62rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* Active indicator dot */
.sc-theme-card.active::after {
    content: '';
    position: absolute;
    top: 6px;
    right: 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
}

/* --- Toggle Switch --- */
.sc-toggle-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    padding: 0.6rem 0.7rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
}

.sc-toggle-info {
    display: flex;
    flex-direction: column;
    gap: 0.1rem;
    min-width: 0;
}

.sc-toggle-label {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sc-toggle-desc {
    font-size: 0.65rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.sc-switch {
    position: relative;
    width: 38px;
    height: 20px;
    flex-shrink: 0;
}

.sc-switch input {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.sc-switch-track {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 10px;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease;
}

.sc-switch-track::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 14px;
    height: 14px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: transform 0.2s ease, background 0.2s ease;
}

.sc-switch input:checked + .sc-switch-track {
    background: var(--accent-glow);
    border-color: var(--accent);
}

.sc-switch input:checked + .sc-switch-track::after {
    transform: translateX(18px);
    background: var(--accent);
}

.sc-switch input:focus-visible + .sc-switch-track {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
    .sc-inner {
        grid-template-columns: 1fr;
        padding: 1rem;
        gap: 1rem;
    }

    .sb-section--center {
        display: none;
    }

    #system-status-bar {
        font-size: 0.62rem;
        padding: 0 0.6rem;
    }

    .sc-theme-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .sc-theme-grid {
        grid-template-columns: 1fr;
    }
}