:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --secondary: #ec4899;
    --secondary-dark: #db2777;
    --accent: #8b5cf6;
    --success: #10b981;
    --warning: #f59e0b;
    --danger: #ef4444;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
    --white: #ffffff;

    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --gradient-success: linear-gradient(135deg, #0ba360 0%, #3cba92 100%);
    --gradient-dark: linear-gradient(135deg, #1e293b 0%, #334155 100%);

    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
    --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);

    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
    color: var(--dark);
    line-height: 1.6;
    overflow-x: hidden;
}

.navbar {
    background: rgba(255, 255, 255, 0.95) !important;
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.08);
    transition: var(--transition);
    position: relative !important;
}

.navbar-brand {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.5px;
    transition: var(--transition);
}

.navbar-brand:hover {
    transform: scale(1.05);
}

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

.nav-link {
    color: var(--dark) !important;
    font-weight: 500;
    padding: 0.5rem 1rem !important;
    border-radius: 12px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition);
    transform: translateX(-50%);
}

.nav-link:hover::before {
    width: 80%;
}

.nav-link:hover {
    background: rgba(99, 102, 241, 0.1);
    transform: translateY(-2px);
}

.hero-section {
    position: relative;
    background: var(--gradient-primary);
    padding: 100px 0;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.3;
}

.hero-section > * {
    position: relative;
    z-index: 1;
}

.hero-section h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.hero-section .lead {
    font-size: 1.25rem;
    opacity: 0.95;
    animation: fadeInUp 0.8s ease-out 0.2s backwards;
}

.hero-section .btn {
    animation: fadeInUp 0.8s ease-out 0.4s backwards;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 80px;
    height: 80px;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.feature-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.3) 0%, rgba(255,255,255,0) 100%);
    opacity: 0;
    transition: var(--transition);
}

.feature-icon:hover::before {
    opacity: 1;
}

.feature-icon:hover {
    transform: translateY(-10px) rotate(5deg);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.2);
}

.product-card {
    background: white;
    border-radius: 24px;
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid rgba(99, 102, 241, 0.1);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.product-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: 0 20px 60px rgba(99, 102, 241, 0.25);
    border-color: var(--primary-light);
}

.product-card img {
    transition: var(--transition);
    aspect-ratio: 1;
    object-fit: cover;
}

.product-card:hover img {
    transform: scale(1.1) rotate(2deg);
}

.product-card .card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.product-card .card-title {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.product-card .card-text {
    color: var(--gray);
    font-size: 0.9rem;
    flex-grow: 1;
}

.product-card .badge {
    border-radius: 12px;
    padding: 0.4rem 0.8rem;
    font-weight: 500;
}

.btn {
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0.3px;
    transition: var(--transition);
    border: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    box-shadow: 0 4px 16px rgba(99, 102, 241, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.4);
}

.btn-success {
    background: var(--gradient-success);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.3);
}

.btn-warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
}

.btn-light {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

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

.btn-outline-primary:hover {
    background: var(--primary);
    color: white;
    transform: translateY(-3px);
}

.card {
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    background: white;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-xl);
}

.card-header {
    border: none;
    border-radius: 24px 24px 0 0 !important;
    padding: 1.25rem 1.5rem;
    font-weight: 600;
}

.card-body {
    padding: 1.5rem;
}

.form-control, .form-select {
    border-radius: 12px;
    border: 2px solid #e2e8f0;
    padding: 0.75rem 1rem;
    transition: var(--transition);
    background: white;
}

.form-control:focus, .form-select:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
    background: white;
}

.form-label {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.5rem;
}

.alert {
    border-radius: 16px;
    border: none;
    padding: 1rem 1.25rem;
    font-weight: 500;
    animation: slideDown 0.5s ease-out;
}

.alert-success {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.1) 0%, rgba(16, 185, 129, 0.05) 100%);
    color: #065f46;
    border-left: 4px solid var(--success);
}

.alert-danger {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.1) 0%, rgba(239, 68, 68, 0.05) 100%);
    color: #991b1b;
    border-left: 4px solid var(--danger);
}

.alert-info {
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.1) 0%, rgba(59, 130, 246, 0.05) 100%);
    color: #1e40af;
    border-left: 4px solid #3b82f6;
}

.badge {
    border-radius: 10px;
    padding: 0.5rem 0.75rem;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.table {
    border-radius: 16px;
    overflow: hidden;
}

.table thead {
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
}

.table-hover tbody tr {
    transition: var(--transition);
    cursor: pointer;
}

.table-hover tbody tr:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05) 0%, rgba(139, 92, 246, 0.05) 100%);
    transform: scale(1.01);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

footer {
    background: var(--gradient-dark);
    color: rgba(255, 255, 255, 0.9);
    margin-top: auto;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

footer h5, footer h6 {
    color: white;
    font-weight: 700;
}

footer a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

footer a:hover {
    color: var(--primary-light);
    transform: translateX(5px);
}

.breadcrumb {
    background: transparent;
    padding: 0;
    margin: 0;
}

.breadcrumb-item a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.breadcrumb-item a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

.breadcrumb-item + .breadcrumb-item::before {
    content: '→';
    color: var(--gray);
}

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

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

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.float-animation {
    animation: float 3s ease-in-out infinite;
}

::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: #f1f5f9;
}

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

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

@media (max-width: 768px) {
    .hero-section h1 {
        font-size: 2.5rem;
    }

    .hero-section .lead {
        font-size: 1rem;
    }

    .product-card:hover {
        transform: translateY(-8px) scale(1.01);
    }

    .navbar-brand {
        font-size: 1.5rem;
    }
}

.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.page-enter {
    animation: fadeInUp 0.6s ease-out;
}

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

.bg-gradient-secondary {
    background: var(--gradient-secondary) !important;
}

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

.shadow-custom {
    box-shadow: var(--shadow-xl);
}

.glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}