/**
 * Unified Sidebar Styles
 * أنماط القائمة الجانبية الموحدة
 */

/* CSS Variables for consistent theming */
:root {
    --sidebar-width: 280px;
    --sidebar-bg: #ffffff;
    --sidebar-header-bg: linear-gradient(135deg, #007bff 0%, #6f42c1 100%);
    --sidebar-text: #333333;
    --sidebar-text-muted: #666666;
    --sidebar-hover-bg: #f8f9fa;
    --sidebar-active-bg: rgba(0, 123, 255, 0.1);
    --sidebar-active-border: #007bff;
    --sidebar-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --sidebar-transition: all 0.3s ease;
    --navbar-bg: rgba(255, 255, 255, 0.95);
    --navbar-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Reset and base styles */
* {
    box-sizing: border-box;
}

/* Navbar unified styles */
.navbar {
    background: var(--navbar-bg);
    -webkit-backdrop-filter: blur(10px);
    backdrop-filter: blur(10px);
    box-shadow: var(--navbar-shadow);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    padding: 0.75rem 0;
    position: sticky;
    top: 0;
    z-index: 1030;
}

.navbar-brand {
    font-weight: 700;
    font-size: 1.3rem;
    color: var(--primary, #007bff) !important;
    text-decoration: none;
    transition: color 0.3s ease;
}

.navbar-brand:hover {
    color: var(--primary, #007bff) !important;
    opacity: 0.8;
}

.menu-toggle {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: var(--primary, #007bff);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: var(--sidebar-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.menu-toggle:hover {
    background: rgba(0, 123, 255, 0.1);
    transform: scale(1.05);
}

.menu-toggle:focus {
    outline: 2px solid var(--primary, #007bff);
    outline-offset: 2px;
}

/* Sidebar base styles */
.sidebar {
    position: fixed;
    right: calc(-1 * var(--sidebar-width));
    top: 0;
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    box-shadow: -2px 0 10px rgba(0, 0, 0, 0.1);
    transition: right 0.3s ease;
    z-index: 1050;
    overflow-y: auto;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

.sidebar.active {
    right: 0;
}

/* Sidebar overlay */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1040;
    opacity: 0;
    visibility: hidden;
    transition: var(--sidebar-transition);
    cursor: pointer;
}

.sidebar-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Sidebar header */
.sidebar-header {
    padding: 1.5rem;
    background: var(--sidebar-header-bg);
    color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-shrink: 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.sidebar-header .logo {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-left: 0.75rem;
}

.sidebar-header h5 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.sidebar-header small {
    opacity: 0.8;
    font-size: 0.8rem;
}

.sidebar-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 4px;
    transition: background 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.sidebar-close:hover {
    background: rgba(255, 255, 255, 0.1);
}

.sidebar-close:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}

/* User info section */
.user-info {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e9ecef;
    background: #f8f9fa;
    flex-shrink: 0;
}

.user-avatar {
    width: 40px;
    height: 40px;
    background: var(--primary, #007bff);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1rem;
    margin-left: 0.75rem;
    flex-shrink: 0;
}

.user-name {
    font-weight: 600;
    font-size: 0.9rem;
    color: #333;
    margin-bottom: 0.2rem;
    line-height: 1.2;
}

.user-role {
    font-size: 0.8rem;
    color: #666;
    line-height: 1.2;
}

/* Sidebar navigation */
.sidebar-nav {
    padding: 1rem 0;
    flex: 1;
    overflow-y: auto;
}

.sidebar-item {
    display: flex;
    align-items: center;
    padding: 0.8rem 1.5rem;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: var(--sidebar-transition);
    border-right: 3px solid transparent;
    font-size: 0.9rem;
    line-height: 1.4;
    position: relative;
}

.sidebar-item:hover {
    background: var(--sidebar-hover-bg);
    color: var(--primary, #007bff);
    text-decoration: none;
    transform: translateX(-2px);
}

.sidebar-item.active {
    background: var(--sidebar-active-bg);
    color: var(--primary, #007bff);
    border-right-color: var(--sidebar-active-border);
    font-weight: 600;
}

.sidebar-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 60%;
    background: var(--primary, #007bff);
    border-radius: 0 2px 2px 0;
}

.sidebar-item i {
    width: 20px;
    margin-left: 0.8rem;
    text-align: center;
    font-size: 1rem;
    flex-shrink: 0;
}

.sidebar-item span {
    flex: 1;
}

/* Sidebar separator */
.sidebar-separator {
    padding: 1rem 1.5rem 0.5rem;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--sidebar-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid #e9ecef;
    margin-bottom: 0.5rem;
    margin-top: 0.5rem;
}

/* Department-specific colors */
.sidebar-item[style*="--item-color"] {
    --dept-color: var(--item-color);
}

.sidebar-item[style*="--item-color"]:hover {
    color: var(--dept-color);
    border-right-color: var(--dept-color);
}

.sidebar-item[style*="--item-color"].active {
    color: var(--dept-color);
    border-right-color: var(--dept-color);
    background: color-mix(in srgb, var(--dept-color) 10%, transparent);
}

/* Sidebar footer */
.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid #e9ecef;
    background: #f8f9fa;
    text-align: center;
    flex-shrink: 0;
}

.sidebar-footer small {
    color: var(--sidebar-text-muted);
    font-size: 0.75rem;
}

/* Notification styles */
.notification-container {
    position: relative;
}

.notification-badge {
    position: absolute;
    top: -2px;
    left: -2px;
    background: #dc3545;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    border: 2px solid white;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.notification-badge.hidden {
    display: none;
}

.notification-container .btn {
    border: none;
    background: none;
    color: var(--sidebar-text);
    transition: var(--sidebar-transition);
}

.notification-container .btn:hover {
    color: var(--primary, #007bff);
    background: rgba(0, 123, 255, 0.1);
}

/* Body adjustments */
body.sidebar-open {
    overflow: hidden;
}

/* Responsive design */
@media (max-width: 992px) {
    :root {
        --sidebar-width: 260px;
    }
}

@media (max-width: 768px) {
    :root {
        --sidebar-width: 250px;
    }
    
    .navbar-brand {
        font-size: 1.1rem;
    }
    
    .menu-toggle {
        font-size: 1.1rem;
        padding: 0.4rem;
    }
    
    .sidebar-header {
        padding: 1.2rem;
    }
    
    .sidebar-header .logo {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .sidebar-item {
        padding: 0.7rem 1.2rem;
        font-size: 0.85rem;
    }
    
    .user-info {
        padding: 0.8rem 1.2rem;
    }
}

@media (max-width: 576px) {
    :root {
        --sidebar-width: 240px;
    }
    
    .navbar {
        padding: 0.5rem 0;
    }
    
    .navbar-brand {
        font-size: 1rem;
    }
    
    .sidebar-header h5 {
        font-size: 1rem;
    }
    
    .sidebar-header small {
        font-size: 0.75rem;
    }
}

/* Print styles */
@media print {
    .navbar,
    .sidebar,
    .sidebar-overlay,
    .menu-toggle {
        display: none !important;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .sidebar {
        border-left: 2px solid #000;
    }
    
    .sidebar-item {
        border-bottom: 1px solid #e0e0e0;
    }
    
    .sidebar-item:hover,
    .sidebar-item.active {
        background: #000;
        color: #fff;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .sidebar,
    .sidebar-overlay,
    .sidebar-item,
    .menu-toggle,
    .sidebar-close {
        transition: none;
    }
}

/* Focus management for accessibility */
.sidebar-item:focus,
.menu-toggle:focus,
.sidebar-close:focus {
    outline: 2px solid var(--primary, #007bff);
    outline-offset: 2px;
}

/* Ensure sidebar content is accessible */
.sidebar[aria-hidden="true"] {
    visibility: hidden;
}

.sidebar[aria-hidden="false"] {
    visibility: visible;
}

/* Animation for smooth entry */
@keyframes slideIn {
    from {
        transform: translateX(-100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.sidebar.active .sidebar-item {
    animation: slideIn 0.3s ease forwards;
}

.sidebar.active .sidebar-item:nth-child(1) { animation-delay: 0.05s; }
.sidebar.active .sidebar-item:nth-child(2) { animation-delay: 0.1s; }
.sidebar.active .sidebar-item:nth-child(3) { animation-delay: 0.15s; }
.sidebar.active .sidebar-item:nth-child(4) { animation-delay: 0.2s; }
.sidebar.active .sidebar-item:nth-child(5) { animation-delay: 0.25s; }
.sidebar.active .sidebar-item:nth-child(6) { animation-delay: 0.3s; }
.sidebar.active .sidebar-item:nth-child(7) { animation-delay: 0.35s; }
.sidebar.active .sidebar-item:nth-child(8) { animation-delay: 0.4s; }