/* Sidebar Navigation Styles */
:root {
    --sidebar-width: 250px;
    --sidebar-collapsed-width: 72px;
    /* Adapting to existing themes */
    --sidebar-bg-light: #ffffff;
    --sidebar-bg-dark: #1a1a2e; 
    --sidebar-text-light: #1A4D2E;
    --sidebar-text-dark: #ffffff;
    --sidebar-hover-light: rgba(26, 77, 46, 0.08);
    --sidebar-hover-dark: rgba(255, 255, 255, 0.1);
    --mobile-header-height: 60px;
}

body {
    transition: padding-left 0.3s ease;
    /* Default margin for desktop, will be overridden by media query */
}

/* Sidebar Container */
.sidebar-nav {
    position: fixed;
    top: 0;
    left: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background-color: var(--card-bg, #ffffff); /* Fallback to white */
    border-right: 1px solid var(--card-border, rgba(0,0,0,0.1));
    z-index: 1000;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 24px rgba(0,0,0,0.02);
    overflow-x: hidden;
}

/* Dark mode support if applicable */
@media (prefers-color-scheme: dark) {
    .sidebar-nav {
        background-color: var(--bg-secondary, #1a1a2e);
        border-right: 1px solid rgba(255,255,255,0.05);
    }
}

/* Sidebar Header / Logo Area */
.sidebar-header {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    flex-shrink: 0;
}

.sidebar-brand {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-color, #1A4D2E);
    text-decoration: none;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.sidebar-logo-icon {
    font-size: 1.5rem;
    min-width: 24px;
}

.sidebar-toggle-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--text-muted, #666);
    padding: 8px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.sidebar-toggle-btn:hover {
    background: rgba(0,0,0,0.05);
    color: var(--text-color, #333);
}

/* Menu Links */
.sidebar-menu {
    flex: 1;
    padding: 1rem 0.75rem;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.85rem 1rem;
    color: var(--text-muted, #4A6359);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s ease;
    font-family: 'Inter', sans-serif;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
}

.nav-item:hover {
    background: var(--sidebar-hover-light, rgba(26, 77, 46, 0.05));
    color: var(--text-color, #1A4D2E);
    transform: translateX(3px);
}

.nav-item.active {
    background: var(--accent-solid, #1A4D2E);
    color: #ffffff !important;
    box-shadow: 0 4px 12px rgba(26, 77, 46, 0.15);
}

.nav-item.active .nav-icon {
    color: #ffffff;
}

.nav-icon {
    min-width: 24px;
    font-size: 1.1rem;
    margin-right: 12px;
    text-align: center;
    transition: color 0.2s;
}

.nav-text {
    font-size: 0.95rem;
    opacity: 1;
    transition: opacity 0.2s;
}

/* Sidebar Footer / Waiting List */
.sidebar-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--card-border, rgba(0,0,0,0.05));
    flex-shrink: 0;
}

.cta-box {
    background: linear-gradient(135deg, #FFF8E7 0%, #FADCA8 100%);
    padding: 1rem;
    border-radius: 12px;
    text-align: center;
    border: 1px solid #E5C285;
    transition: opacity 0.3s;
}

.cta-box h4 {
    font-size: 0.9rem;
    color: #1A4D2E;
    margin-bottom: 0.5rem;
}

.cta-box .btn-small {
    display: inline-block;
    background: #1A4D2E;
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 600;
}

/* Collapsed State (Desktop Only) */
@media (min-width: 769px) {
    body {
        padding-left: var(--sidebar-width);
    }
    
    body.sidebar-collapsed {
        padding-left: var(--sidebar-collapsed-width);
    }

    .sidebar-nav.collapsed {
        width: var(--sidebar-collapsed-width);
    }

    .sidebar-nav.collapsed .nav-text, 
    .sidebar-nav.collapsed .sidebar-brand span:not(.sidebar-logo-icon),
    .sidebar-nav.collapsed .cta-box {
        opacity: 0;
        pointer-events: none;
        display: none;
    }

    .sidebar-nav.collapsed .sidebar-header {
        justify-content: center;
        padding: 1.5rem 0;
    }

    .sidebar-nav.collapsed .nav-item {
        justify-content: center;
        padding: 0.85rem 0;
    }

    .sidebar-nav.collapsed .nav-icon {
        margin-right: 0;
    }
    
    /* Tooltip on hover for collapsed items */
    .sidebar-nav.collapsed .nav-item:hover::after {
        content: attr(title);
        position: absolute;
        left: calc(100% + 10px);
        background: #333;
        color: white;
        padding: 5px 10px;
        border-radius: 6px;
        font-size: 0.8rem;
        white-space: nowrap;
        z-index: 1001;
        pointer-events: none;
    }
}

/* Mobile Layout */
@media (max-width: 768px) {
    body {
        padding-left: 0;
        padding-top: var(--mobile-header-height);
    }

    .sidebar-nav {
        transform: translateX(-100%);
        width: 280px; /* Wider relative to screen on mobile */
    }

    .sidebar-nav.mobile-active {
        transform: translateX(0);
        box-shadow: 10px 0 50px rgba(0,0,0,0.2);
    }

    /* Mobile Header Top Bar */
    .mobile-top-bar {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: var(--mobile-header-height);
        background: var(--card-bg, #ffffff);
        border-bottom: 1px solid var(--card-border, rgba(0,0,0,0.1));
        z-index: 999;
        display: flex;
        align-items: center;
        padding: 0 1rem;
        justify-content: space-between;
    }

    .mobile-menu-btn {
        background: none;
        border: none;
        font-size: 1.5rem;
        cursor: pointer;
        color: var(--text-color, #333);
    }

    .mobile-logo {
        font-family: 'Playfair Display', serif;
        font-weight: 700;
        font-size: 1.1rem;
        color: var(--text-color, #1A4D2E);
        text-decoration: none;
    }
    
    .overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        z-index: 998;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.3s;
    }
    
    .overlay.active {
        opacity: 1;
        pointer-events: auto;
    }
}