/**
 * ============================================
 * SIDEBAR CSS - Left Navigation Panel
 * Dashboard V3 - Market Analysis
 * ============================================
 */

/* Sidebar Header */
.sidebar-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-md);
}

.logo-section {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.logo-icon {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    object-fit: contain;
    flex-shrink: 0;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--sidebar-text);
    flex: 1;
}

/* Sidebar Collapse Button (top, next to logo) */
.sidebar-collapse-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: var(--sidebar-text-muted);
    cursor: pointer;
    font-size: 12px;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}
.sidebar-collapse-btn:hover {
    background: rgba(255, 255, 255, 0.2);
    color: var(--sidebar-text);
}
.collapse-icon {
    transition: transform 0.2s ease;
}

.sidebar-meta {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: var(--font-size-xs);
    color: var(--sidebar-text-muted);
    opacity: 0.7;
}

.meta-dot {
    opacity: 0.5;
}

.date-display {
    font-size: inherit;
    color: inherit;
}

.version-info {
    font-size: inherit;
    color: inherit;
}

/* Theme Toggle */
.theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 6px;
    color: var(--sidebar-text-muted);
    cursor: pointer;
    flex-shrink: 0;
    transition: all var(--transition-fast);
}

.theme-toggle:hover {
    background: rgba(255, 255, 255, 0.2);
}

.theme-icon {
    font-size: 14px;
}

/* Copyright Notice */
.copyright-notice {
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius-sm);
    border-left: 3px solid var(--color-accent-primary);
}

.copyright-notice p {
    font-size: var(--font-size-xs);
    color: var(--sidebar-text-muted);
    margin-bottom: var(--space-xs);
    line-height: var(--line-height-relaxed);
}

.copyright-notice p:last-child {
    margin-bottom: 0;
}

.copyright-notice strong {
    color: var(--sidebar-text);
}

/* Search Box */
.search-box {
    position: relative;
    margin-bottom: var(--space-md);
}

.search-icon {
    position: absolute;
    left: var(--space-sm);
    top: 50%;
    transform: translateY(-50%);
    font-size: 14px;
    color: var(--sidebar-text-muted);
    pointer-events: none;
}

.search-input {
    width: 100%;
    padding: var(--space-sm) var(--space-sm) var(--space-sm) 32px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-sm);
    color: var(--sidebar-text);
    font-size: var(--font-size-sm);
    transition: all var(--transition-fast);
}

.search-input::placeholder {
    color: var(--sidebar-text-muted);
}

.search-input:focus {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-accent-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Index Menu */
.index-menu {
    flex: 1;
}

.index-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.index-item {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-radius: 20px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--sidebar-text);
    transition: all var(--transition-fast);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.15);
}

.index-item:hover {
    background: var(--sidebar-hover-bg);
    border-color: rgba(255, 255, 255, 0.25);
}

.index-item.active {
    background: var(--sidebar-active-bg);
    color: white;
    font-weight: 600;
    border-color: var(--sidebar-active-bg);
}

/* Index Item Icons (optional) */
.index-item-icon {
    margin-right: var(--space-sm);
    font-size: 16px;
}

/* Sidebar Footer */
.sidebar-footer {
    padding-top: var(--space-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: auto;
}

.sidebar-footer-text {
    font-size: var(--font-size-xs);
    color: var(--sidebar-text-muted);
    text-align: center;
}

/* ============================================
 * SIDEBAR TOGGLE BUTTON
 * ============================================ */
.sidebar-toggle-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
    padding: 8px;
    margin-top: var(--space-sm);
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--border-radius-sm);
    color: var(--sidebar-text-muted);
    font-size: var(--font-size-xs);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.sidebar-toggle-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    color: var(--sidebar-text);
}

.toggle-icon {
    font-size: 12px;
    transition: transform 0.3s ease;
}

.toggle-label {
    font-size: var(--font-size-xs);
}

/* ============================================
 * INDEX GROUP (Collapsible Sub-menu)
 * ============================================ */
.index-group {
    list-style: none;
}

.index-group-header {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-radius: 20px;
    cursor: pointer;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--sidebar-text);
    transition: all var(--transition-fast);
    border: 1px solid rgba(255, 255, 255, 0.15);
    position: relative;
}

.index-group-header:hover {
    background: var(--sidebar-hover-bg);
    border-color: rgba(255, 255, 255, 0.25);
}

.index-group-name {
    flex: 1;
}

.index-group-arrow {
    margin-left: auto;
    font-size: 10px;
    transition: transform 0.2s ease;
    opacity: 0.6;
}

.index-group-items {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    list-style: none;
    padding: 0;
    margin: 0;
}

.index-group.expanded .index-group-items {
    max-height: 300px;
}

.index-group.expanded .index-group-arrow {
    transform: rotate(90deg);
}

.index-group-items .index-item {
    padding: 6px 12px 6px 36px;
    font-size: 12px;
    border: none;
    border-radius: 12px;
    margin-top: 2px;
}

.index-group-items .index-item:hover {
    background: var(--sidebar-hover-bg);
}

.index-group-items .index-item.active {
    background: var(--sidebar-active-bg);
    color: white;
    font-weight: 600;
}

.index-group-items .index-item .index-item-icon {
    font-size: 14px;
    margin-right: 6px;
}

/* ============================================
 * SIDEBAR COLLAPSED STATE
 * ============================================ */
.sidebar.collapsed {
    width: var(--sidebar-collapsed-width);
    padding: var(--space-sm);
    align-items: center;
    overflow: visible;
}

.sidebar.collapsed .sidebar-header {
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.sidebar.collapsed .logo-text,
.sidebar.collapsed .sidebar-meta,
.sidebar.collapsed .copyright-notice,
.sidebar.collapsed .search-box,
.sidebar.collapsed .sidebar-footer-text,
.sidebar.collapsed .index-divider,
.sidebar.collapsed .toggle-label,
.sidebar.collapsed .index-item-text {
    display: none;
}

.sidebar.collapsed .logo-section {
    justify-content: center;
}

.sidebar.collapsed .sidebar-collapse-btn {
    width: 32px;
    height: 32px;
    margin: 4px auto 0;
}
.sidebar.collapsed .collapse-icon {
    transform: rotate(180deg);
}

.sidebar.collapsed .logo-icon {
    width: 36px;
    height: 36px;
    margin: 0;
}

.sidebar.collapsed .theme-toggle {
    display: none;
}

.sidebar.collapsed .index-list {
    align-items: center;
    gap: 2px;
}

.sidebar.collapsed .index-item {
    padding: 10px;
    justify-content: center;
    border-radius: 10px;
    border: none;
    width: 40px;
    height: 40px;
}

.sidebar.collapsed .index-item-icon {
    margin: 0;
    font-size: 18px;
}

/* Tooltip on hover when collapsed */
.sidebar.collapsed .index-item[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    background: #1e293b;
    color: #f1f5f9;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: var(--z-tooltip);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.sidebar.collapsed .index-item[data-tooltip]:hover::after {
    opacity: 1;
}

/* Index group in collapsed mode */
.sidebar.collapsed .index-group {
    width: 40px;
}

.sidebar.collapsed .index-group-header {
    padding: 10px;
    justify-content: center;
    border-radius: 10px;
    border: none;
    width: 40px;
    height: 40px;
}

.sidebar.collapsed .index-group-name,
.sidebar.collapsed .index-group-arrow {
    display: none;
}

.sidebar.collapsed .index-group-items {
    display: none;
}

.sidebar.collapsed .index-group-header[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: calc(100% + 10px);
    top: 50%;
    transform: translateY(-50%);
    white-space: nowrap;
    background: #1e293b;
    color: #f1f5f9;
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease;
    z-index: var(--z-tooltip);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.sidebar.collapsed .index-group-header[data-tooltip]:hover::after {
    opacity: 1;
}

.sidebar.collapsed .sidebar-toggle-btn {
    width: 40px;
    height: 40px;
    padding: 0;
    border-radius: 10px;
}

.sidebar.collapsed .sidebar-footer {
    border-top: none;
    padding-top: var(--space-sm);
}