:root {
    --primary: #0d6efd;
    --dark: #212529;
    --sidebar-width: 260px;
    --navbar-height: 64px;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #f8fafc;
    overflow-x: hidden;
}

/* Sidebar Styling */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--sidebar-width);
    height: 100vh;
    z-index: 1050;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar .nav-link {
    transition: all 0.2s ease;
    border-radius: 0.5rem;
    padding: 0.75rem 1rem;
}

.sidebar .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
    color: white !important;
}

.sidebar .nav-link.active {
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

/* Navbar */
.dashboard-navbar {
    height: var(--navbar-height);
    background: white;
    border-bottom: 1px solid #e2e8f0;
    position: sticky;
    top: 0;
    z-index: 1040;
}

.main-wrapper {
    margin-left: var(--sidebar-width);
    transition: margin-left 0.3s ease;
    min-height: 100vh;
}

.glass {
    background: rgba(255, 255, 255, 0.8) !important;
    backdrop-filter: blur(10px);
}

/* Overlay for mobile */
.sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1045;
    display: none;
}

/* Mobile Responsiveness */
@media (max-width: 991.98px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.show {
        transform: translateX(0);
    }
    
    .main-wrapper {
        margin-left: 0;
    }
    
    .sidebar-overlay.show {
        display: block;
    }
}

/* Password Toggle */
.password-toggle-wrapper {
    position: relative;
}

.password-toggle-btn {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 0;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
}

.password-toggle-btn:hover {
    color: var(--primary);
}

.password-toggle-wrapper .form-control {
    padding-right: 40px;
}

/* Auth Pages */
.auth-card {
    max-width: 450px;
    width: 100%;
}

/* Premium Profile Styles */
.card-premium {
    background: #ffffff;
    border: 1px solid rgba(0, 0, 0, 0.05);
    border-radius: 1rem;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.02), 0 4px 6px -2px rgba(0, 0, 0, 0.01);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-premium:hover {
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.05), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    transform: translateY(-2px);
}

.avatar-circle-lg {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
    background: linear-gradient(135deg, var(--primary) 0%, #6366f1 100%);
    box-shadow: 0 10px 15px -3px rgba(13, 110, 253, 0.2);
    margin: 0 auto;
}

.profile-sidebar {
    position: sticky;
    top: calc(var(--navbar-height) + 1.5rem);
}

.form-label {
    font-weight: 500;
    color: #475569;
    margin-bottom: 0.5rem;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 0.25rem rgba(13, 110, 253, 0.1);
}

.btn-premium-primary {
    background: linear-gradient(135deg, var(--primary) 0%, #4f46e5 100%);
    border: none;
    color: white;
    padding: 0.625rem 1.25rem;
    font-weight: 600;
    border-radius: 0.5rem;
    transition: all 0.2s;
}

.btn-premium-primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    opacity: 0.9;
    color: white;
}

.danger-zone {
    border: 1px dashed #fee2e2;
    background: #fffafa;
    border-radius: 1rem;
    padding: 1.5rem;
}

.section-title {
    font-weight: 700;
    color: #1e293b;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-title i {
    color: var(--primary);
}