/* ========================================
   SIDEBAR COMPONENT - CSS
   views/partials/css/sidebar.css
   ======================================== */

:root {
    --sidebar-width: 280px;
    --sidebar-width-collapsed: 80px;
    --sidebar-bg: #ffffff;
    --sidebar-border: #e9ecef;
    --text-primary: #212529;
    --text-muted: #6c757d;
    --accent-color: #0d6efd;
    --accent-hover: #0b5ed7;
    --active-bg: rgba(13, 110, 253, 0.08);
    --active-border: #0d6efd;
    --transition-speed: 300ms;
    --transition-easing: cubic-bezier(0.4, 0, 0.2, 1);
    --light-color: #ecf0f1;
}

/* ========================================
   DESKTOP SIDEBAR STYLING
   ======================================== */

.sidebar-desktop {
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    width: var(--sidebar-width);
    background: var(--light-color);
    border-right: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: width var(--transition-speed) var(--transition-easing);
    overflow: hidden;
}

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

/* Main Content Area Adjustment - Now handled by layout.php */
body.sidebar-open {
    margin-left: 0;
}

body.sidebar-collapsed {
    margin-left: 0;
}

/* ========================================
   SIDEBAR HEADER (Logo + Toggle)
   ======================================== */

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 1rem;
    border-bottom: 2px solid rgba(13, 110, 253, 0.1);
    min-height: 80px;
    gap: 0.5rem;
    background: linear-gradient(to bottom, rgba(13, 110, 253, 0.02), transparent);
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--accent-color);
    font-weight: 700;
    font-size: 1.25rem;
    white-space: nowrap;
    overflow: hidden;
    flex: 1;
    letter-spacing: -0.5px;
}

.sidebar-logo i {
    font-size: 1.75rem;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(13, 110, 253, 0.15));
}

.logo-text {
    opacity: 1;
    transition: opacity var(--transition-speed) var(--transition-easing);
}

.sidebar-desktop.collapsed .logo-text {
    opacity: 0;
    position: absolute;
}

.btn-sidebar-toggle {
    background: transparent;
    border: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-speed) var(--transition-easing);
    flex-shrink: 0;
}

.btn-sidebar-toggle:hover {
    background: rgba(13, 110, 253, 0.12);
    border-color: rgba(13, 110, 253, 0.2);
    color: var(--accent-color);
}

.btn-sidebar-toggle i {
    transition: transform var(--transition-speed) var(--transition-easing);
}

.sidebar-desktop.collapsed .btn-sidebar-toggle i {
    transform: rotate(180deg);
}

/* ========================================
   USER INFO SECTION (Desktop)
   ======================================== */

.sidebar-user-info {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1rem;
    border-bottom: 2px solid rgba(13, 110, 253, 0.08);
    background: rgba(13, 110, 253, 0.02);
    transition: all var(--transition-speed) var(--transition-easing);
    min-height: 80px;
}

.sidebar-desktop.collapsed .sidebar-user-info {
    padding: 0.75rem;
    justify-content: center;
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    overflow: hidden;
    background: var(--light-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #000000;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.2);
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-details {
    flex: 1;
    min-width: 0;
    opacity: 1;
    transition: opacity var(--transition-speed) var(--transition-easing);
}

.sidebar-desktop.collapsed .user-details {
    opacity: 0;
    position: absolute;
    pointer-events: none;
}

.user-name {
    margin: 0;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.user-role {
    margin: 0.25rem 0 0 0;
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ========================================
   SIDEBAR MENU
   ======================================== */

.sidebar-menu {
    flex: 1;
    overflow-y: auto;
    padding: 1rem 0.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

/* Custom scrollbar styling */
.sidebar-menu::-webkit-scrollbar {
    width: 6px;
}

.sidebar-menu::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar-menu::-webkit-scrollbar-thumb {
    background: rgba(13, 110, 253, 0.3);
    border-radius: 3px;
}

.sidebar-menu::-webkit-scrollbar-thumb:hover {
    background: rgba(13, 110, 253, 0.5);
}

/* Menu Items */
.menu-item {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    text-decoration: none;
    border-radius: 0.5rem;
    transition: all var(--transition-speed) var(--transition-easing);
    position: relative;
    white-space: nowrap;
    cursor: pointer;
    border-left: 3px solid transparent;
}

.menu-item:hover {
    background: rgba(13, 110, 253, 0.08);
    color: var(--accent-color);
    border-left-color: var(--accent-color);
}

.menu-item.active {
    background: var(--active-bg);
    color: var(--accent-color);
    border-left-color: var(--active-border);
    font-weight: 600;
}

.menu-item.active::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--accent-color);
    border-radius: 3px 0 0 3px;
}

.sidebar-desktop.collapsed .menu-item {
    justify-content: center;
    padding: 0.75rem;
    border-radius: 0.5rem;
}

.menu-icon {
    min-width: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: transform var(--transition-speed) var(--transition-easing);
}

.menu-item:hover .menu-icon {
    transform: scale(1.1);
}

.menu-label {
    flex: 1;
    font-size: 0.9375rem;
    opacity: 1;
    transition: opacity var(--transition-speed) var(--transition-easing);
}

.sidebar-desktop.collapsed .menu-label {
    opacity: 0;
    position: absolute;
    pointer-events: none;
}

.badge-notification {
    background: #dc3545;
    color: white;
    font-size: 0.65rem;
    padding: 0.25rem 0.5rem;
    border-radius: 999px;
    opacity: 1;
    transition: opacity var(--transition-speed) var(--transition-easing);
    font-weight: 600;
}

.sidebar-desktop.collapsed .badge-notification {
    opacity: 0;
    position: absolute;
    right: -10px;
}

/* ========================================
   SIDEBAR FOOTER (Logout)
   ======================================== */

.sidebar-footer {
    padding: 0.5rem;
    border-top: 1px solid var(--sidebar-border);
    display: flex;
    flex-direction: column;
}

.logout-item {
    color: #dc3545;
}

.logout-item:hover {
    background: rgba(220, 53, 69, 0.1) !important;
    color: #dc3545 !important;
    border-left-color: #dc3545 !important;
}

.logout-item.active {
    background: rgba(220, 53, 69, 0.1);
    border-left-color: #dc3545;
}

/* ========================================
   MOBILE OFFCANVAS STYLES
   ======================================== */

.offcanvas {
    --bs-offcanvas-width: 280px;
    --bs-offcanvas-padding-y: 0;
    --bs-offcanvas-padding-x: 0;
}

.offcanvas-header {
    background: var(--light-color);
    color: #000000;
    border-bottom: none;
    padding: 1.5rem;
    box-shadow: 0 2px 8px rgba(13, 110, 253, 0.15);
}

.offcanvas-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.25rem;
}

.offcanvas-title i {
    font-size: 1.5rem;
}

.offcanvas-body {
    background: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
}

.offcanvas#traineeLeaveHistoryOffcanvas .offcanvas-body {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%) !important;
}

/* User Info (Mobile) */
.sidebar-user-info-mobile {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    padding: 1rem;
}

.sidebar-user-info-mobile .user-avatar {
    min-width: 50px;
    height: 50px;
}

/* Mobile Menu */
.sidebar-menu-mobile {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 0;
    overflow-y: auto;
}

.menu-item-mobile {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-speed) var(--transition-easing);
    border-left: 4px solid transparent;
    cursor: pointer;
}

.menu-item-mobile:hover {
    background: rgba(13, 110, 253, 0.08);
    color: var(--accent-color);
    border-left-color: var(--accent-color);
}

.menu-item-mobile.active {
    background: var(--active-bg);
    color: var(--accent-color);
    border-left-color: var(--active-border);
    font-weight: 600;
}

.menu-item-mobile i {
    min-width: 24px;
    font-size: 1.25rem;
    transition: transform var(--transition-speed) var(--transition-easing);
}

.menu-item-mobile:hover i {
    transform: scale(1.1);
}

.menu-item-mobile span {
    flex: 1;
}

.menu-item-mobile .badge-notification {
    margin-left: auto;
}

.menu-item-mobile.logout-item {
    color: #dc3545;
    border-top: 1px solid var(--sidebar-border);
    margin-top: auto;
}

.menu-item-mobile.logout-item:hover {
    background: rgba(220, 53, 69, 0.1);
    color: #dc3545;
    border-left-color: #dc3545;
}

/* Mobile Footer */
.sidebar-footer-mobile {
    display: flex;
    flex-direction: column;
}

/* Mobile Toggle Button */
.mobile-sidebar-toggle {
    position: sticky;
    top: 0;
    z-index: 1030;
    padding: 0.75rem;
    background: white;
    border-bottom: 1px solid var(--sidebar-border);
}

.mobile-sidebar-toggle .btn {
    width: 100%;
    justify-content: flex-start;
    gap: 0.75rem;
}

/* ========================================
   RESPONSIVE ADJUSTMENTS
   ======================================== */

@media (max-width: 991.98px) {
    body.sidebar-open,
    body.sidebar-collapsed {
        margin-left: 0;
    }
}

/* Tablet adjustments */
@media (min-width: 768px) and (max-width: 1199.98px) {
    :root {
        --sidebar-width: 240px;
        --sidebar-width-collapsed: 70px;
    }

    .sidebar-logo {
        font-size: 1.1rem;
    }

    .menu-item {
        padding: 0.65rem 0.875rem;
    }
}

/* Large desktop */
@media (min-width: 1200px) {
    :root {
        --sidebar-width: 280px;
    }
}

/* ========================================
   ANIMATIONS
   ======================================== */

@keyframes slideInLeft {
    from {
        transform: translateX(-20px);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.menu-item {
    animation: slideInLeft var(--transition-speed) var(--transition-easing);
}

/* ========================================
   ACCESSIBILITY & FOCUS STATES
   ======================================== */

.menu-item:focus-visible,
.btn-sidebar-toggle:focus-visible {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: more) {
    .sidebar-desktop {
        border-right-width: 2px;
    }

    .sidebar-header {
        border-bottom-width: 2px;
    }

    .menu-item.active {
        border-left-width: 4px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    .sidebar-desktop,
    .btn-sidebar-toggle i,
    .menu-item,
    .menu-item .menu-icon,
    .menu-label,
    .logo-text,
    .user-details {
        transition: none;
    }
}

/* Dark mode support (optional) */
@media (prefers-color-scheme: dark) {
    :root {
        --sidebar-bg: #1a1a1a;
        --sidebar-border: #333333;
        --text-primary: #ffffff;
        --text-muted: #999999;
        --active-bg: #2a3a5a;
    }

    .sidebar-desktop {
        box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    }

    .menu-item:hover {
        background: rgba(13, 110, 253, 0.15);
    }

    .menu-item-mobile:hover {
        background: rgba(13, 110, 253, 0.15);
    }
}

/* ========================================
   UTILITY CLASSES
   ======================================== */

.sidebar-hide-text-on-collapse .sidebar-desktop.collapsed .menu-label,
.sidebar-hide-text-on-collapse .sidebar-desktop.collapsed .logo-text {
    display: none;
}

/* Print styles */
@media print {
    .sidebar-desktop,
    .mobile-sidebar-toggle,
    .offcanvas {
        display: none !important;
    }

    body.sidebar-open,
    body.sidebar-collapsed {
        margin-left: 0;
    }
}