/**
 * Layout modes: driven by attributes on <html> (see layout-preferences.js).
 * Variables default in style.css :root; this file overrides per mode.
 */

/* --- Sidebar: pinned (always expanded) --- */
html[data-sidebar-mode="pinned"] .sidebar {
    width: var(--sidebar-width-expanded);
}

html[data-sidebar-mode="pinned"] .sidebar:hover {
    width: var(--sidebar-width-expanded);
}

html[data-sidebar-mode="pinned"] .sidebar .sidebar-link-text {
    opacity: 1;
    width: auto;
}

html[data-sidebar-mode="pinned"] .sidebar .sidebar-link {
    justify-content: flex-start;
    padding: 12px 16px;
}

/* --- Sidebar: icons only (narrow rail, no hover expand) --- */
html[data-sidebar-mode="icons"] .sidebar,
html[data-sidebar-mode="icons"] .sidebar:hover {
    width: var(--sidebar-width-collapsed);
}

html[data-sidebar-mode="icons"] .sidebar .sidebar-link-text {
    opacity: 0;
    width: 0;
    overflow: hidden;
}

html[data-sidebar-mode="icons"] .sidebar .sidebar-link {
    justify-content: center;
    padding: 12px;
}

/* --- Content max width --- */
html[data-content-width="wide"] {
    --layout-max-width: min(1680px, 96vw);
}

html[data-content-width="full"] {
    --layout-max-width: 100%;
}

/* --- Main area column layout --- */
html[data-content-columns="1"] {
    --layout-main-columns: 1fr;
}

html[data-content-columns="2"] {
    --layout-main-columns: 1fr 1fr;
}

/* --- Density --- */
html[data-density="compact"] {
    --layout-container-padding: 12px;
    --layout-section-gap: 16px;
    --layout-font-scale: 0.95;
}

html[data-density="compact"] .main-wrapper {
    font-size: calc(1rem * var(--layout-font-scale, 0.95));
}

html[data-density="compact"] .page-header,
html[data-density="compact"] .stat-card,
html[data-density="compact"] .settings-card {
    padding-top: 14px;
    padding-bottom: 14px;
}

html[data-density="compact"] .sidebar-body {
    padding: 16px 12px;
    gap: 20px;
}

/* --- Layout controls (FAB + panel) --- */
.layout-controls-fab {
    position: fixed;
    right: 18px;
    bottom: 88px;
    z-index: 9998;
    min-width: 44px;
    min-height: 40px;
    height: auto;
    padding: 6px 10px;
    gap: 5px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: linear-gradient(135deg, rgba(30, 41, 59, 0.95), rgba(15, 23, 42, 0.98));
    backdrop-filter: blur(16px);
    color: var(--text-primary);
    font-size: 0.8125rem;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    box-sizing: border-box;
}

.layout-controls-fab-icon {
    font-size: 1.05rem;
    line-height: 1;
    flex-shrink: 0;
}

.layout-controls-fab-label {
    font-weight: 600;
    font-size: 0.6875rem;
    letter-spacing: 0.02em;
    line-height: 1.15;
    white-space: nowrap;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
}

.layout-controls-fab--labeled {
    min-width: auto;
}

.layout-controls-fab:hover {
    transform: translateY(-2px);
    box-shadow: 0 24px 40px rgba(0, 0, 0, 0.45);
}

.layout-controls-panel {
    position: fixed;
    right: 18px;
    bottom: 146px;
    z-index: 9999;
    width: min(320px, calc(100vw - 36px));
    max-height: min(70vh, 520px);
    overflow: auto;
    padding: 16px 18px;
    border-radius: 14px;
    border: 1px solid var(--border-color);
    background: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-lg);
    display: none;
    flex-direction: column;
    gap: 14px;
}

.layout-controls-panel.is-open {
    display: flex;
}

.layout-controls-panel h3 {
    font-size: 0.95rem;
    font-weight: 600;
    margin: 0 0 4px 0;
    color: var(--text-primary);
}

.layout-controls-panel label {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
}

.layout-controls-panel select {
    width: 100%;
    padding: 10px 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: rgba(30, 41, 59, 0.85);
    color: var(--text-primary);
    font-size: 0.9rem;
    cursor: pointer;
}

.layout-controls-panel .layout-controls-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 4px;
}

.layout-controls-panel .layout-controls-actions .btn-small {
    flex: 1;
    min-width: 0;
    text-align: center;
}

@media (max-width: 768px) {
    html[data-content-width="wide"],
    html[data-content-width="full"] {
        --layout-max-width: 100%;
    }

    .layout-controls-fab {
        bottom: 72px;
        right: 12px;
    }

    .layout-controls-panel {
        right: 12px;
        left: 12px;
        width: auto;
        bottom: 130px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .sidebar,
    .layout-controls-fab {
        transition: none !important;
    }
}
