:root {
    --primary: #6366f1;
    --primary-hover: #4f46e5;
    --bg-light: #f8fafc;
    --sidebar-bg: #ffffff;
    --card-bg: #ffffff;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --border: #e2e8f0;
    --sidebar-width: 280px;
    --sidebar-collapsed-width: 80px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

body {
    background-color: var(--bg-light);
    color: var(--text-dark);
    font-family: 'Outfit', sans-serif;
    overflow-x: hidden;
    margin: 0;
    visibility: hidden;
}

body.dashboard-authenticated {
    visibility: visible;
}

/* Sidebar Styling */
#sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    position: fixed;
    top: 0;
    left: 0;
    transition: var(--transition);
    z-index: 1000;
}

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

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

.brand-name {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-dark);
    margin: 0;
    white-space: nowrap;
    opacity: 1;
    transition: var(--transition);
}

.collapsed .brand-name {
    opacity: 0;
    pointer-events: none;
    width: 0;
}

.toggle-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background 0.2s;
}

.toggle-btn:hover {
    background: #f1f5f9;
}

/* Nav Menu */
.sidebar-nav {
    padding: 1rem;
}

/* Custom Scrollbar for Sidebar */
.sidebar-nav::-webkit-scrollbar {
    width: 6px;
}
.sidebar-nav::-webkit-scrollbar-track {
    background: transparent;
}
.sidebar-nav::-webkit-scrollbar-thumb {
    background: #e2e8f0;
    border-radius: 10px;
}
.sidebar-nav::-webkit-scrollbar-thumb:hover {
    background: #cbd5e1;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.8rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 0.2rem;
    transition: var(--transition);
    white-space: nowrap;
    cursor: pointer;
}

.nav-link:hover, .nav-link.active {
    background: #f1f5f9;
    color: var(--primary);
}

.nav-link i {
    font-size: 1.25rem;
    margin-right: 1.25rem;
    width: 24px;
    text-align: center;
    flex-shrink: 0;
}

.collapsed .nav-link i {
    margin-right: 0;
}

/* Submenu Styling */
.nav-item-dropdown {
    margin-bottom: 0.2rem;
}

.submenu-container {
    padding-left: 0.5rem;
    display: flex;
    flex-direction: column;
}

.nav-link[data-bs-toggle="collapse"] .toggle-icon {
    transition: transform 0.3s ease;
}

.nav-link[data-bs-toggle="collapse"][aria-expanded="true"] .toggle-icon {
    transform: rotate(180deg);
}

.smaller {
    font-size: 0.875rem;
}

/* Floating effect for collapsed sidebar */
.collapsed .nav-item-dropdown {
    position: relative;
}

.collapsed .collapse {
    display: none !important;
}

.collapsed .nav-item-dropdown:hover .collapse {
    display: block !important;
    position: absolute;
    left: 100%;
    top: 0;
    background: white;
    min-width: 200px;
    padding: 0.5rem;
    border-radius: 12px;
    box-shadow: 10px 10px 20px rgba(0,0,0,0.05);
    border: 1px solid var(--border);
    z-index: 1001;
}

.collapsed .nav-item-dropdown:hover .submenu-container {
    padding-left: 0;
}

/* Main Content area */
#main-content {
    margin-left: var(--sidebar-width);
    padding: 2rem;
    transition: var(--transition);
    min-height: 100vh;
}

.collapsed + #main-content {
    margin-left: var(--sidebar-collapsed-width);
}

.content-header {
    margin-bottom: 2rem;
}

.welcome-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 24px;
    padding: 3rem;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.gradient-text {
    background: linear-gradient(to right, #6366f1, #a855f7);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 700;
}

/* User Profile Mini */
.user-profile {
    flex-shrink: 0;
}

.collapsed .user-info, .collapsed .logout-btn {
    display: none !important;
}

.collapsed .user-profile {
    padding: 1rem !important;
    justify-content: center;
}

.collapsed .avatar {
    margin: 0 !important;
}

.cursor-pointer {
    cursor: pointer;
}