/**
 * GP Left Menu System - Styles
 * For Family Tree App navigation
 */

/* ================================================================
   Base Container
   ================================================================ */

.gp-left-menu-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 14px;
    line-height: 1.5;
    background: #fff;
    min-width: 250px;
}

.gp-left-menu-loading,
.gp-left-menu-error {
    padding: 20px;
    text-align: center;
    color: #666;
}

.gp-left-menu-error {
    color: #dc3545;
}

/* ================================================================
   Menu List
   ================================================================ */

.gp-left-menu-list,
.gp-left-submenu {
    list-style: none;
    margin: 0;
    padding: 0;
}

/* ================================================================
   Menu Items
   ================================================================ */

.gp-left-menu-item {
    position: relative;
    border-bottom: 1px solid #f0f0f0;
}

.gp-left-menu-item:last-child {
    border-bottom: none;
}

/* ================================================================
   Menu Links/Actions/Labels
   ================================================================ */

.gp-left-menu-link,
.gp-left-menu-action,
.gp-left-menu-label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 18px;
    color: #333;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 14px;
    font-family: inherit;
}

.gp-left-menu-link:hover,
.gp-left-menu-action:hover {
    background-color: #f8f9fa;
    color: #007bff;
}

.gp-left-menu-label {
    font-weight: 600;
    color: #555;
}

/* Action buttons */
.gp-left-menu-action {
    font-weight: 500;
}

.gp-left-menu-action:active {
    background-color: #e9ecef;
}

/* ================================================================
   Menu Text
   ================================================================ */

.gp-left-menu-text {
    flex: 1;
}

/* ================================================================
   Dropdown Arrows
   ================================================================ */

.gp-left-menu-arrow {
    margin-left: 8px;
    font-size: 12px;
    transition: transform 0.2s ease;
    color: #999;
}

.gp-left-menu-open > .gp-left-menu-link .gp-left-menu-arrow,
.gp-left-menu-open > .gp-left-menu-action .gp-left-menu-arrow,
.gp-left-menu-open > .gp-left-menu-label .gp-left-menu-arrow {
    transform: rotate(180deg);
}

/* ================================================================
   Submenu (Nested)
   ================================================================ */

.gp-left-submenu {
    display: none;
    background-color: #f8f9fa;
}

.gp-left-menu-open > .gp-left-submenu {
    display: block;
}

.gp-left-submenu .gp-left-menu-item {
    border-bottom: none;
}

.gp-left-submenu .gp-left-menu-link,
.gp-left-submenu .gp-left-menu-action,
.gp-left-submenu .gp-left-menu-label {
    padding: 12px 18px 12px 40px;
    font-size: 13px;
}

.gp-left-submenu .gp-left-menu-link:hover,
.gp-left-submenu .gp-left-menu-action:hover {
    background-color: #e9ecef;
}

/* Nested submenus (3rd level) */
.gp-left-submenu .gp-left-submenu .gp-left-menu-link,
.gp-left-submenu .gp-left-submenu .gp-left-menu-action,
.gp-left-submenu .gp-left-submenu .gp-left-menu-label {
    padding-left: 60px;
}

/* ================================================================
   Active State
   ================================================================ */

.gp-left-menu-item-active > .gp-left-menu-link,
.gp-left-menu-item-active > .gp-left-menu-action,
.gp-left-menu-link.active,
.gp-left-menu-action.active {
    background-color: #007bff;
    color: white !important;
    font-weight: 600;
}

.gp-left-menu-item-active > .gp-left-menu-link .gp-left-menu-arrow,
.gp-left-menu-item-active > .gp-left-menu-action .gp-left-menu-arrow {
    color: white;
}

/* ================================================================
   Theme: Sidebar Dark
   ================================================================ */

.gp-left-menu-theme-sidebar {
    background: #2c3e50;
    color: white;
}

.gp-left-menu-theme-sidebar .gp-left-menu-item {
    border-bottom-color: rgba(255, 255, 255, 0.1);
}

.gp-left-menu-theme-sidebar .gp-left-menu-link,
.gp-left-menu-theme-sidebar .gp-left-menu-action,
.gp-left-menu-theme-sidebar .gp-left-menu-label {
    color: #ecf0f1;
    border-left: 3px solid transparent;
}

.gp-left-menu-theme-sidebar .gp-left-menu-link:hover,
.gp-left-menu-theme-sidebar .gp-left-menu-action:hover {
    background-color: #34495e;
    border-left-color: #3498db;
    color: white;
}

.gp-left-menu-theme-sidebar .gp-left-menu-label {
    color: #95a5a6;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gp-left-menu-theme-sidebar .gp-left-submenu {
    background-color: rgba(0, 0, 0, 0.2);
}

.gp-left-menu-theme-sidebar .gp-left-menu-item-active > .gp-left-menu-link,
.gp-left-menu-theme-sidebar .gp-left-menu-item-active > .gp-left-menu-action {
    background-color: #3498db;
    border-left-color: #2980b9;
}

/* ================================================================
   Theme: Compact
   ================================================================ */

.gp-left-menu-theme-compact .gp-left-menu-link,
.gp-left-menu-theme-compact .gp-left-menu-action,
.gp-left-menu-theme-compact .gp-left-menu-label {
    padding: 10px 16px;
    font-size: 13px;
}

.gp-left-menu-theme-compact .gp-left-submenu .gp-left-menu-link,
.gp-left-menu-theme-compact .gp-left-submenu .gp-left-menu-action {
    padding: 8px 16px 8px 36px;
    font-size: 12px;
}

/* ================================================================
   Responsive Design
   ================================================================ */

@media (max-width: 768px) {
    .gp-left-menu-container {
        min-width: 100%;
    }
    
    .gp-left-menu-link,
    .gp-left-menu-action,
    .gp-left-menu-label {
        padding: 16px 16px;
    }
}

/* ================================================================
   Animation
   ================================================================ */

@keyframes slideDown {
    from {
        opacity: 0;
        max-height: 0;
    }
    to {
        opacity: 1;
        max-height: 500px;
    }
}

.gp-left-submenu {
    animation: slideDown 0.3s ease-out;
    overflow: hidden;
}

/* ================================================================
   Loading Spinner
   ================================================================ */

.fa-spinner {
    animation: spin 1s linear infinite;
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* ================================================================
   Custom Scrollbar (Optional)
   ================================================================ */

.gp-left-menu-container {
    overflow-y: auto;
    max-height: 100vh;
}

.gp-left-menu-container::-webkit-scrollbar {
    width: 6px;
}

.gp-left-menu-container::-webkit-scrollbar-track {
    background: #f1f1f1;
}

.gp-left-menu-container::-webkit-scrollbar-thumb {
    background: #888;
    border-radius: 3px;
}

.gp-left-menu-container::-webkit-scrollbar-thumb:hover {
    background: #555;
}

/* For sidebar theme */
.gp-left-menu-theme-sidebar::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

.gp-left-menu-theme-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.3);
}

.gp-left-menu-theme-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.5);
}