/* assets/css/style.css - Premium Design */

/* ===== CSS Variables ===== */
:root {
    --primary: #667eea;
    --primary-dark: #5a67d8;
    --primary-light: #7c8ef0;
    --secondary: #764ba2;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --gradient-warning: linear-gradient(135deg, #f6d365 0%, #fda085 100%);
    --gradient-danger: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --dark: #2d3748;
    --darker: #1a202c;
    --light: #f7fafc;
    --gray: #718096;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 10px 40px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 20px 60px rgba(0, 0, 0, 0.2);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 30px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Global Styles ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #f0f2f5;
    color: var(--dark);
    line-height: 1.6;
}

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.02em;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ===== Navbar Premium ===== */
.navbar-custom {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.05);
    padding: 12px 0;
}

.navbar-custom .navbar-brand {
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--dark);
    letter-spacing: -0.5px;
}

.navbar-custom .navbar-brand i {
    color: var(--primary);
    margin-right: 8px;
}

.navbar-custom .nav-link {
    font-weight: 500;
    color: var(--gray) !important;
    padding: 8px 16px !important;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
    color: var(--primary) !important;
    background: rgba(102, 126, 234, 0.08);
}

/* ===== Sidebar Premium ===== */
#sidebar {
    background: var(--dark);
    box-shadow: 4px 0 30px rgba(0, 0, 0, 0.1);
}

#sidebar .sidebar-header {
    background: var(--darker);
    padding: 25px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#sidebar .sidebar-header h3 {
    font-weight: 800;
    font-size: 1.2rem;
    letter-spacing: -0.5px;
}

#sidebar .sidebar-header h3 i {
    color: var(--primary);
}

#sidebar .user-profile-sidebar {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

#sidebar .user-avatar-lg {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    color: #fff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

#sidebar ul li a {
    padding: 12px 24px;
    font-weight: 500;
    font-size: 0.9rem;
    border-left: 3px solid transparent;
    transition: var(--transition);
    position: relative;
}

#sidebar ul li a:hover {
    background: rgba(255, 255, 255, 0.05);
    border-left-color: var(--primary);
    color: #fff;
}

#sidebar ul li.active > a {
    background: rgba(102, 126, 234, 0.15);
    border-left-color: var(--primary);
    color: #fff;
}

#sidebar ul li a i {
    width: 24px;
    text-align: center;
    color: var(--primary-light);
}

#sidebar ul li.active a i {
    color: #fff;
}

#sidebar .nav-divider {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    margin: 10px 24px;
}

#sidebar .sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ===== Cards Premium ===== */
.card {
    border: none;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.card-header {
    background: transparent;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding: 20px 24px;
    font-weight: 600;
}

.card-body {
    padding: 24px;
}

/* ===== Buttons Premium ===== */
.btn {
    border-radius: var(--radius-sm);
    font-weight: 600;
    padding: 10px 24px;
    transition: var(--transition);
    letter-spacing: 0.3px;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.5);
    color: #fff;
}

.btn-success {
    background: var(--gradient-success);
    color: #fff;
    box-shadow: 0 4px 15px rgba(79, 172, 254, 0.4);
}

.btn-success:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(79, 172, 254, 0.5);
    color: #fff;
}

.btn-warning {
    background: var(--gradient-warning);
    color: #fff;
    box-shadow: 0 4px 15px rgba(246, 211, 101, 0.4);
}

.btn-warning:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(246, 211, 101, 0.5);
    color: #fff;
}

.btn-danger {
    background: var(--gradient-danger);
    color: #fff;
    box-shadow: 0 4px 15px rgba(245, 87, 108, 0.4);
}

.btn-danger:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 87, 108, 0.5);
    color: #fff;
}

.btn-outline-primary {
    border: 2px solid var(--primary);
    color: var(--primary);
    background: transparent;
}

.btn-outline-primary:hover {
    background: var(--gradient-primary);
    color: #fff;
    border-color: transparent;
    transform: translateY(-2px);
}

.btn-lg {
    padding: 14px 36px;
    font-size: 1.05rem;
    border-radius: var(--radius-md);
}

.btn-sm {
    padding: 6px 16px;
    font-size: 0.85rem;
}

/* ===== Forms Premium ===== */
.form-control {
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-sm);
    padding: 12px 16px;
    font-size: 0.95rem;
    transition: var(--transition);
    background: #fff;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(102, 126, 234, 0.15);
}

.form-control.is-invalid {
    border-color: #f56565;
}

.form-control.is-invalid:focus {
    box-shadow: 0 0 0 4px rgba(245, 101, 101, 0.15);
}

.form-label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--dark);
    margin-bottom: 6px;
}

/* ===== Badges Premium ===== */
.badge {
    padding: 6px 14px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.75rem;
    letter-spacing: 0.3px;
}

.badge-primary {
    background: var(--gradient-primary);
    color: #fff;
}

.badge-success {
    background: var(--gradient-success);
    color: #fff;
}

.badge-warning {
    background: var(--gradient-warning);
    color: #fff;
}

.badge-danger {
    background: var(--gradient-danger);
    color: #fff;
}

/* ===== Alerts Premium ===== */
.alert {
    border: none;
    border-radius: var(--radius-md);
    padding: 16px 24px;
    box-shadow: var(--shadow-sm);
}

.alert-success {
    background: linear-gradient(135deg, #d4edda 0%, #c3e6cb 100%);
    color: #155724;
}

.alert-danger {
    background: linear-gradient(135deg, #f8d7da 0%, #f5c6cb 100%);
    color: #721c24;
}

.alert-warning {
    background: linear-gradient(135deg, #fff3cd 0%, #ffeaa7 100%);
    color: #856404;
}

.alert-info {
    background: linear-gradient(135deg, #d1ecf1 0%, #bee5eb 100%);
    color: #0c5460;
}

/* ===== Stats Cards ===== */
.stat-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.stat-card .stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: #fff;
    margin-bottom: 12px;
}

.stat-card .stat-icon.primary {
    background: var(--gradient-primary);
}
.stat-card .stat-icon.success {
    background: var(--gradient-success);
}
.stat-card .stat-icon.warning {
    background: var(--gradient-warning);
}
.stat-card .stat-icon.danger {
    background: var(--gradient-danger);
}

.stat-card .stat-number {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 4px;
}

.stat-card .stat-label {
    color: var(--gray);
    font-weight: 500;
    font-size: 0.9rem;
}

/* ===== Tables Premium ===== */
.table {
    border-radius: var(--radius-md);
    overflow: hidden;
}

.table thead th {
    background: var(--gradient-primary);
    color: #fff;
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 14px 20px;
    border: none;
}

.table tbody td {
    padding: 14px 20px;
    border-bottom: 1px solid #edf2f7;
    vertical-align: middle;
}

.table tbody tr:hover {
    background: rgba(102, 126, 234, 0.04);
}

/* ===== Jumbotron Premium ===== */
.jumbotron-premium {
    background: var(--gradient-primary);
    color: #fff;
    border-radius: var(--radius-lg);
    padding: 60px 50px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.jumbotron-premium::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 60%;
    height: 200%;
    background: rgba(255, 255, 255, 0.05);
    transform: rotate(-15deg);
}

.jumbotron-premium .display-4 {
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 16px;
}

.jumbotron-premium .lead {
    font-weight: 400;
    opacity: 0.9;
    font-size: 1.2rem;
}

/* ===== Pricing Cards ===== */
.pricing-card {
    background: #fff;
    border-radius: var(--radius-lg);
    padding: 40px 30px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
    text-align: center;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border: 2px solid var(--primary);
    box-shadow: var(--shadow-lg);
}

.pricing-card.featured::before {
    content: 'MOST POPULAR';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: #fff;
    padding: 4px 20px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.pricing-card .price {
    font-size: 3rem;
    font-weight: 800;
    color: var(--dark);
}

.pricing-card .price small {
    font-size: 1rem;
    font-weight: 400;
    color: var(--gray);
}

.pricing-card .plan-name {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.pricing-card ul {
    list-style: none;
    padding: 0;
    margin: 24px 0;
    text-align: left;
}

.pricing-card ul li {
    padding: 8px 0;
    border-bottom: 1px solid #edf2f7;
    font-size: 0.9rem;
}

.pricing-card ul li:last-child {
    border-bottom: none;
}

.pricing-card ul li i {
    margin-right: 10px;
    width: 20px;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

.animate-fade-in-up {
    animation: fadeInUp 0.6s ease-out forwards;
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-slide-in-left {
    animation: slideInLeft 0.5s ease-out forwards;
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* Delay classes */
.delay-1 { animation-delay: 0.1s; }
.delay-2 { animation-delay: 0.2s; }
.delay-3 { animation-delay: 0.3s; }
.delay-4 { animation-delay: 0.4s; }
.delay-5 { animation-delay: 0.5s; }

/* ===== Scrollbar Premium ===== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: #f1f1f1;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: var(--gradient-primary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-dark);
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
    .jumbotron-premium {
        padding: 30px 20px;
    }
    
    .jumbotron-premium .display-4 {
        font-size: 2rem;
    }
    
    .stat-card .stat-number {
        font-size: 1.5rem;
    }
    
    .pricing-card {
        padding: 30px 20px;
    }
    
    .pricing-card .price {
        font-size: 2.5rem;
    }
}

/* ===== Misc Premium ===== */
.shadow-premium {
    box-shadow: var(--shadow-lg);
}

.rounded-premium {
    border-radius: var(--radius-lg);
}

.bg-gradient-primary {
    background: var(--gradient-primary);
}

.bg-gradient-success {
    background: var(--gradient-success);
}

.bg-gradient-warning {
    background: var(--gradient-warning);
}

.bg-gradient-danger {
    background: var(--gradient-danger);
}

.text-gradient-primary {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hover-scale {
    transition: var(--transition);
}

.hover-scale:hover {
    transform: scale(1.02);
}

.hover-lift {
    transition: var(--transition);
}

.hover-lift:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

/* Toast notifications */
.toast-premium {
    background: #fff;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--primary);
    padding: 16px 20px;
    min-width: 300px;
}

.toast-premium.success {
    border-left-color: #48bb78;
}

.toast-premium.error {
    border-left-color: #f56565;
}

.toast-premium.warning {
    border-left-color: #ed8936;
}

/* Loading spinner premium */
.spinner-premium {
    width: 40px;
    height: 40px;
    border: 4px solid rgba(102, 126, 234, 0.1);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ===== Glassmorphism ===== */
.glass {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* ===== Gradient Text ===== */
.gradient-text {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}