/* ============================================
   Sidebar Styles
   ============================================ */

#sidebar {
    position: fixed;
    top: var(--topbar-height);
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 100;
    transition: transform var(--transition-normal);
    overflow: hidden;
}

#sidebar.sidebar-closed {
    transform: translateX(-100%);
}

.sidebar-toggle {
    position: absolute;
    top: 12px;
    right: -16px;
    width: 32px;
    height: 32px;
    border: 1px solid var(--border-color);
    background: var(--bg-secondary);
    color: var(--text-secondary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 101;
    transition: var(--transition-fast);
    font-size: 12px;
}

.sidebar-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

#sidebar.sidebar-closed .sidebar-toggle {
    right: -44px;
}

#sidebar.sidebar-closed .sidebar-toggle i {
    transform: rotate(180deg);
}

/* Sidebar Sections */
.sidebar-section {
    border-bottom: 1px solid var(--border-subtle);
}

.section-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 16px;
    cursor: pointer;
    transition: var(--transition-fast);
    user-select: none;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
}

.section-header:hover {
    background: var(--bg-hover);
}

.section-header i:first-child {
    color: var(--fire-500);
    width: 18px;
    text-align: center;
    font-size: 14px;
}

.section-header span {
    flex: 1;
}

.toggle-icon {
    font-size: 10px;
    color: var(--text-muted);
    transition: transform var(--transition-fast);
}

.section-header.collapsed .toggle-icon {
    transform: rotate(-90deg);
}

.section-content {
    padding: 0 16px 16px;
    overflow-y: auto;
    max-height: 500px;
    transition: max-height var(--transition-normal), padding var(--transition-normal);
}

.section-content.collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    overflow: hidden;
}

/* Layer Group */
.layer-group {
    margin-bottom: 16px;
}

.layer-group:last-child {
    margin-bottom: 0;
}

.layer-group-title {
    font-size: 10px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    margin-bottom: 8px;
    padding-bottom: 4px;
    border-bottom: 1px solid var(--border-subtle);
}

/* Layer Toggle */
.layer-toggle {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 2px;
}

.layer-toggle:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
}

.layer-toggle.active {
    color: var(--text-primary);
}

/* Custom Toggle Switch */
.toggle-slider {
    position: relative;
    width: 32px;
    height: 18px;
    background: var(--bg-tertiary);
    border-radius: 9px;
    border: 1px solid var(--border-subtle);
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.toggle-slider::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 12px;
    height: 12px;
    background: var(--text-muted);
    border-radius: 50%;
    transition: var(--transition-fast);
}

.layer-toggle input {
    display: none;
}

.layer-toggle input:checked + .toggle-slider {
    background: var(--accent);
    border-color: var(--accent);
}

.layer-toggle input:checked + .toggle-slider::after {
    transform: translateX(14px);
    background: #000;
}

.layer-icon {
    width: 18px;
    text-align: center;
    font-size: 13px;
    flex-shrink: 0;
}

.layer-name {
    flex: 1;
}

/* Filter Controls */
.filter-group {
    margin-bottom: 16px;
}

.filter-label {
    display: block;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.filter-select {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
}

.filter-select:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-glow);
}

.filter-select option {
    background: var(--bg-secondary);
}

/* Range Slider */
.range-slider {
    position: relative;
    height: 36px;
    display: flex;
    align-items: center;
}

.range-slider input[type="range"] {
    position: absolute;
    width: 100%;
    height: 4px;
    appearance: none;
    background: transparent;
    pointer-events: none;
}

.range-slider input[type="range"]::-webkit-slider-thumb {
    appearance: none;
    width: 16px;
    height: 16px;
    background: var(--accent);
    border-radius: 50%;
    cursor: pointer;
    pointer-events: auto;
    border: 2px solid var(--bg-secondary);
    box-shadow: var(--shadow-sm);
}

.range-slider input[type="range"]:first-child {
    z-index: 1;
}

.range-values {
    display: flex;
    justify-content: space-between;
    font-size: 11px;
    color: var(--text-muted);
    font-family: 'JetBrains Mono', monospace;
}

/* Checkbox Group */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.filter-check {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 8px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 12px;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.filter-check:hover {
    background: var(--bg-hover);
}

.filter-check input {
    display: none;
}

.check-dot {
    width: 14px;
    height: 14px;
    border-radius: 3px;
    border: 2px solid var(--text-muted);
    transition: var(--transition-fast);
    position: relative;
}

.filter-check input:checked ~ .check-dot::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 1px;
    width: 8px;
    height: 8px;
    border-radius: 1px;
}

.check-dot.oc {
    border-color: var(--status-oc);
}
.filter-check input:checked ~ .check-dot.oc::after {
    background: var(--status-oc);
}

.check-dot.bh {
    border-color: var(--status-bh);
}
.filter-check input:checked ~ .check-dot.bh::after {
    background: var(--status-bh);
}

.check-dot.uc {
    border-color: var(--status-uc);
}
.filter-check input:checked ~ .check-dot.uc::after {
    background: var(--status-uc);
}

.check-dot.ex {
    border-color: var(--status-ex);
}
.filter-check input:checked ~ .check-dot.ex::after {
    background: var(--status-ex);
}

/* Date Range */
.date-range {
    display: flex;
    align-items: center;
    gap: 8px;
}

.date-range input[type="date"] {
    flex: 1;
    padding: 6px 10px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 12px;
}

.date-range input[type="date"]:focus {
    outline: none;
    border-color: var(--accent);
}

.date-range span {
    color: var(--text-muted);
    font-size: 12px;
}

/* Legend */
.legend-block {
    margin-bottom: 16px;
}

.legend-block:last-child {
    margin-bottom: 0;
}

.legend-block h4 {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-muted);
    margin-bottom: 8px;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 3px 0;
    font-size: 12px;
    color: var(--text-secondary);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
    box-shadow: 0 0 6px rgba(255, 255, 255, 0.1);
}

.legend-circle {
    border-radius: 50%;
    background: rgba(255, 145, 0, 0.6);
    border: 2px solid var(--fire-500);
    flex-shrink: 0;
}

.legend-circle.sm { width: 10px; height: 10px; }
.legend-circle.md { width: 16px; height: 16px; }
.legend-circle.lg { width: 22px; height: 22px; }
.legend-circle.xl { width: 28px; height: 28px; }

/* Gradient Legend */
.legend-gradient {
    padding: 4px 0;
}

.gradient-bar {
    height: 12px;
    border-radius: 6px;
    background: linear-gradient(90deg,
        #2196f3 0%,
        #4caf50 20%,
        #ffeb3b 40%,
        #ff9800 60%,
        #f44336 80%,
        #9c27b0 100%
    );
    margin-bottom: 4px;
}

.gradient-labels {
    display: flex;
    justify-content: space-between;
    font-size: 10px;
    color: var(--text-muted);
}

/* Sidebar Footer */
.sidebar-footer {
    margin-top: auto;
    padding: 12px 16px;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.data-source,
.last-update {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 10px;
    color: var(--text-muted);
}

.data-source i,
.last-update i {
    color: var(--fire-500);
    width: 14px;
    text-align: center;
}