/* ========================================
   Modern Sidebar V2 - Independent Design
   ======================================== */

/* Root variables for easy theming */
:root {
    --sidebar-width: 265px;
    --sidebar-collapsed-width: 75px;
    --sidebar-bg: #ffffff;
    --sidebar-bg-dark: #1e1e2d;
    --sidebar-text: #252F4A;
    --sidebar-text-dark: #92929f;
    --sidebar-hover-bg: #f8f9fa;
    --sidebar-hover-bg-dark: #2a2a3c;
    --sidebar-active-bg: #f1f3ff;
    --sidebar-active-bg-dark: #2d2d42;
    --sidebar-border: #e4e6ef;
    --sidebar-border-dark: #2e2e48;
    --primary-color: #3E97FF;
    --primary-light: #e8f4ff;
    --transition-speed: 0.3s;
    --transition-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode adjustments */
[data-bs-theme="dark"] {
    --sidebar-bg: var(--sidebar-bg-dark);
    --sidebar-text: var(--sidebar-text-dark);
    --sidebar-hover-bg: var(--sidebar-hover-bg-dark);
    --sidebar-active-bg: var(--sidebar-active-bg-dark);
    --sidebar-border: var(--sidebar-border-dark);
}

/* ========================================
   Sidebar Container
   ======================================== */
.app-sidebar-modern {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    border-right: 1px solid var(--sidebar-border);
    transition: width var(--transition-speed) var(--transition-ease);
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

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

/* ========================================
   Logo Section
   ======================================== */
.sidebar-logo-section {
    height: 74px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 1.5rem;
    border-bottom: 1px solid var(--sidebar-border);
    position: relative;
}

.collapsed .sidebar-logo-section {
    justify-content: center;
    padding: 0 0.5rem;
}

.sidebar-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: opacity var(--transition-speed) var(--transition-ease);
}

.sidebar-logo img {
    height: 35px;
    width: auto;
}

.sidebar-logo-text {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--sidebar-text);
    white-space: nowrap;
    transition: opacity var(--transition-speed) var(--transition-ease);
}

.collapsed .sidebar-logo-text {
    opacity: 0;
    pointer-events: none;
}

.sidebar-toggle-btn {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--sidebar-border);
    background: var(--sidebar-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
}

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

.sidebar-toggle-btn:hover {
    background: var(--sidebar-hover-bg);
    transform: scale(1.05);
}

.sidebar-toggle-btn i {
    font-size: 1.1rem;
    color: var(--sidebar-text);
    transition: transform var(--transition-speed) var(--transition-ease);
}

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

/* ========================================
   Menu Wrapper
   ======================================== */
.sidebar-menu-wrapper {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 1.5rem 1rem;
}

.collapsed .sidebar-menu-wrapper {
    padding: 1.5rem 0.5rem;
}

/* Custom scrollbar */
.sidebar-menu-wrapper::-webkit-scrollbar {
    width: 4px;
}

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

.sidebar-menu-wrapper::-webkit-scrollbar-thumb {
    background: rgba(0, 0, 0, 0.1);
    border-radius: 10px;
}

.sidebar-menu-wrapper::-webkit-scrollbar-thumb:hover {
    background: rgba(0, 0, 0, 0.2);
}

/* ========================================
   Menu Items
   ======================================== */
.sidebar-menu {
    list-style: none !important;
    list-style-type: none !important;
    margin: 0;
    padding: 0;
}

.sidebar-menu-item {
    margin-bottom: 0.25rem;
}

.collapsed .sidebar-menu-item {
    margin-bottom: 0.5rem;
}

.sidebar-menu *,
ul.sidebar-submenu,
ul.sidebar-submenu li {
    list-style: none !important;
    list-style-type: none !important;
}

.sidebar-menu li::marker,
.sidebar-submenu li::marker,
.sidebar-submenu-item::marker {
    display: none !important;
    content: none !important;
}

.sidebar-menu-item {
    margin-bottom: 0.25rem;
    opacity: 0;
    animation: slideInFromLeft 0.4s ease forwards;
}

/* Staggered animation for menu items */
.sidebar-menu-item:nth-child(1) { animation-delay: 0.05s; }
.sidebar-menu-item:nth-child(2) { animation-delay: 0.1s; }
.sidebar-menu-item:nth-child(3) { animation-delay: 0.15s; }
.sidebar-menu-item:nth-child(4) { animation-delay: 0.2s; }
.sidebar-menu-item:nth-child(5) { animation-delay: 0.25s; }
.sidebar-menu-item:nth-child(6) { animation-delay: 0.3s; }
.sidebar-menu-item:nth-child(7) { animation-delay: 0.35s; }
.sidebar-menu-item:nth-child(8) { animation-delay: 0.4s; }
.sidebar-menu-item:nth-child(9) { animation-delay: 0.45s; }
.sidebar-menu-item:nth-child(10) { animation-delay: 0.5s; }

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

/* ========================================
   Menu Links
   ======================================== */
.sidebar-menu-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: 8px;
    color: var(--sidebar-text);
    text-decoration: none;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

/* Collapsed state - center content */
.collapsed .sidebar-menu-link {
    justify-content: center;
    padding: 0.75rem 0.5rem;
    gap: 0;
    position: relative;
}

/* Tooltip on hover when collapsed */
.collapsed .sidebar-menu-link:hover::after {
    content: attr(data-title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    margin-left: 10px;
    padding: 0.5rem 1rem;
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    border: 1px solid var(--sidebar-border);
    border-radius: 6px;
    white-space: nowrap;
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    z-index: 1001;
    pointer-events: none;
    animation: tooltipFadeIn 0.2s ease;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

.sidebar-menu-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.3s var(--transition-ease);
}

.sidebar-menu-link:hover {
    background: var(--sidebar-hover-bg);
    transform: translateX(4px);
}

.sidebar-menu-link.active {
    background: var(--sidebar-active-bg);
    color: var(--primary-color);
    font-weight: 600;
}

.sidebar-menu-link.active::before {
    transform: scaleY(1);
}

/* Icon styling */
.sidebar-menu-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    flex-shrink: 0;
    transition: transform 0.3s var(--transition-ease);
}

/* Center icons when collapsed */
.collapsed .sidebar-menu-icon {
    margin: 0 auto;
}

.sidebar-menu-link:hover .sidebar-menu-icon {
    transform: scale(1.1) rotate(5deg);
}

.sidebar-menu-link.active .sidebar-menu-icon {
    color: var(--primary-color);
    transform: scale(1.15);
}

/* Title styling */
.sidebar-menu-title {
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;
    transition: opacity var(--transition-speed) var(--transition-ease);
}

.collapsed .sidebar-menu-title {
    opacity: 0;
    pointer-events: none;
    display: none;
}

/* Badge styling for notifications */
.sidebar-menu-link .badge {
    transition: opacity var(--transition-speed) var(--transition-ease);
}

.collapsed .sidebar-menu-link .badge {
    opacity: 0;
    pointer-events: none;
}

/* Arrow for dropdowns */
.sidebar-menu-arrow {
    margin-left: auto;
    font-size: 0.75rem;
    transition: transform var(--transition-speed) var(--transition-ease);
}

.collapsed .sidebar-menu-arrow {
    opacity: 0;
    display: none;
}

.sidebar-menu-link.expanded .sidebar-menu-arrow {
    transform: rotate(90deg);
}

/* ========================================
   Submenu / Accordion
   ======================================== */
.sidebar-submenu {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s var(--transition-ease), 
                opacity 0.3s ease,
                margin 0.3s ease;
    opacity: 0;
}

.sidebar-submenu.expanded {
    max-height: 1000px;
    opacity: 1;
    margin-top: 0.25rem;
    margin-bottom: 0.25rem;
}

.sidebar-submenu-item {
    margin-bottom: 0.15rem;
    transform: translateX(-10px);
    opacity: 0;
    transition: all 0.3s ease;
    list-style: none;
    list-style-type: none;
}

.sidebar-submenu.expanded .sidebar-submenu-item {
    transform: translateX(0);
    opacity: 1;
}

/* Staggered animation for submenu items */
.sidebar-submenu.expanded .sidebar-submenu-item:nth-child(1) { transition-delay: 0.05s; }
.sidebar-submenu.expanded .sidebar-submenu-item:nth-child(2) { transition-delay: 0.1s; }
.sidebar-submenu.expanded .sidebar-submenu-item:nth-child(3) { transition-delay: 0.15s; }
.sidebar-submenu.expanded .sidebar-submenu-item:nth-child(4) { transition-delay: 0.2s; }
.sidebar-submenu.expanded .sidebar-submenu-item:nth-child(5) { transition-delay: 0.25s; }
.sidebar-submenu.expanded .sidebar-submenu-item:nth-child(6) { transition-delay: 0.3s; }
.sidebar-submenu.expanded .sidebar-submenu-item:nth-child(7) { transition-delay: 0.35s; }
.sidebar-submenu.expanded .sidebar-submenu-item:nth-child(8) { transition-delay: 0.4s; }

.sidebar-submenu-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.65rem 1rem 0.65rem 2.5rem;
    border-radius: 6px;
    color: var(--sidebar-text);
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.2s ease;
    position: relative;
}

.sidebar-submenu-link:hover {
    background: var(--sidebar-hover-bg);
    padding-left: 2.75rem;
}

.sidebar-submenu-link.active {
    background: var(--sidebar-active-bg);
    color: var(--primary-color);
    font-weight: 600;
}

.sidebar-submenu-link.active::before {
    background: var(--primary-color);
    opacity: 1;
    transform: translateY(-50%) scale(1.6);
}

/* ========================================
   Separator
   ======================================== */
.sidebar-separator {
    height: 1px;
    background: var(--sidebar-border);
    margin: 1rem 0;
    opacity: 0.5;
}

/* ========================================
   Collapsed State Tooltips
   ======================================== */
.collapsed .sidebar-menu-link,
.collapsed .sidebar-submenu-link {
    justify-content: center;
    padding-left: 0.5rem;
    padding-right: 0.5rem;
}

.collapsed .sidebar-submenu {
    display: none;
}

/* Tooltip on hover for collapsed state */
.collapsed .sidebar-menu-link {
    position: relative;
}

.collapsed .sidebar-menu-link:hover::after {
    content: attr(data-title);
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    background: var(--sidebar-text);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    white-space: nowrap;
    margin-left: 1rem;
    font-size: 0.875rem;
    z-index: 1000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    animation: tooltipFadeIn 0.2s ease;
}

@keyframes tooltipFadeIn {
    from {
        opacity: 0;
        transform: translateY(-50%) translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(-50%) translateX(0);
    }
}

/* ========================================
   Footer Section
   ======================================== */
.sidebar-footer {
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--sidebar-border);
}

.sidebar-footer-btn {
    width: 100%;
    padding: 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--sidebar-border);
    background: var(--sidebar-bg);
    color: var(--sidebar-text);
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.sidebar-footer-btn:hover {
    background: var(--sidebar-hover-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.sidebar-footer-btn:active {
    transform: translateY(0);
}

/* Theme icon animations */
.sidebar-footer-btn i {
    transition: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

.sidebar-footer-btn:hover i {
    transform: rotate(20deg) scale(1.1);
}

/* Moon icon specific animation */
.sidebar-footer-btn i.ki-moon {
    animation: moonGlow 2s ease-in-out infinite;
}

@keyframes moonGlow {
    0%, 100% {
        filter: drop-shadow(0 0 2px rgba(147, 197, 253, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 8px rgba(147, 197, 253, 0.8));
    }
}

/* Sun icon specific animation */
.sidebar-footer-btn i.ki-sun {
    animation: sunPulse 2s ease-in-out infinite;
}

@keyframes sunPulse {
    0%, 100% {
        filter: drop-shadow(0 0 3px rgba(251, 191, 36, 0.6));
        transform: rotate(0deg);
    }
    50% {
        filter: drop-shadow(0 0 10px rgba(251, 191, 36, 0.9));
        transform: rotate(180deg);
    }
}

/* Icon transition on theme change */
.sidebar-footer-btn i.theme-changing {
    animation: iconSwitch 0.5s ease-in-out;
}

@keyframes iconSwitch {
    0% {
        transform: scale(1) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(0) rotate(180deg);
        opacity: 0;
    }
    100% {
        transform: scale(1) rotate(360deg);
        opacity: 1;
    }
}

.collapsed .sidebar-footer-btn span {
    display: none;
}

/* ========================================
   Badge / Count Indicator
   ======================================== */
.sidebar-badge {
    margin-left: auto;
    padding: 0.15rem 0.5rem;
    border-radius: 12px;
    background: var(--primary-color);
    color: white;
    font-size: 0.75rem;
    font-weight: 600;
    min-width: 20px;
    text-align: center;
    transition: all 0.3s ease;
}

.collapsed .sidebar-badge {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    transform: scale(0.8);
}

/* ========================================
   Expand Button (Collapsed State)
   ======================================== */
.sidebar-expand-btn {
    position: fixed;
    left: 85px;
    top: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--sidebar-border);
    background: var(--sidebar-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
    z-index: 998;
    opacity: 0;
    pointer-events: none;
    transition: all var(--transition-speed) var(--transition-ease);
}

.sidebar-expand-btn.show {
    opacity: 1;
    pointer-events: all;
}

.sidebar-expand-btn:hover {
    background: var(--sidebar-hover-bg);
    transform: scale(1.05);
    box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
}

.sidebar-expand-btn i {
    color: var(--sidebar-text);
}

/* ========================================
   Responsive Design
   ======================================== */
@media (max-width: 991px) {
    .app-sidebar-modern {
        transform: translateX(-100%);
        transition: transform var(--transition-speed) var(--transition-ease);
    }
    
    .app-sidebar-modern.mobile-open {
        transform: translateX(0);
    }
    
    .sidebar-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0, 0, 0, 0.5);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-speed) ease;
    }
    
    .sidebar-overlay.active {
        opacity: 1;
        pointer-events: all;
    }
    
    /* Hide expand button on mobile */
    .sidebar-expand-btn {
        display: none;
    }
}

/* ========================================
   Pulse Animation for Active Items
   ======================================== */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(62, 151, 255, 0.4);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(62, 151, 255, 0);
    }
}

.sidebar-menu-link.active .sidebar-menu-icon {
    animation: pulse 2s infinite;
}