:root {
    --primary: #22c55e;
    --primary-dark: #16a34a;
    --primary-light: #dcfce7;
    --secondary: #fbbf24;
    --secondary-light: #fef3c7;
    --white: #ffffff;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --danger: #ef4444;
    --shadow: 0 4px 6px -1px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-lg: 16px;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: var(--gray-50);
    color: var(--gray-800);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 16px;
}

.header {
    background: var(--white);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    gap: 12px;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 8px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--primary);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.search-bar {
    flex: 1;
    max-width: 500px;
    position: relative;
}

.search-bar input {
    width: 100%;
    padding: 10px 40px 10px 16px;
    border: 2px solid var(--gray-200);
    border-radius: 50px;
    font-size: 0.95rem;
    transition: all 0.3s;
}

.search-bar input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.search-btn {
    position: absolute;
    right: 4px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--primary);
    color: white;
    border: none;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s;
    white-space: nowrap;
}

.btn-primary {
    background: var(--primary);
    color: white;
}

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn-outline:hover {
    background: var(--primary-light);
}

.btn-secondary {
    background: var(--secondary);
    color: var(--gray-800);
}

.btn-danger {
    background: var(--danger);
    color: white;
}

.btn-sm { padding: 6px 14px; font-size: 0.8rem; }
.btn-lg { padding: 14px 32px; font-size: 1rem; }

.hero {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.1rem;
    opacity: 0.95;
    max-width: 600px;
    margin: 0 auto 24px;
}

.section { padding: 40px 0; }

.section-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.category-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    cursor: pointer;
    border: 2px solid transparent;
}

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

.category-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 12px;
    font-size: 1.5rem;
}

.category-card h3 {
    font-size: 0.9rem;
    font-weight: 600;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.product-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.3s;
    position: relative;
}

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

.product-badge {
    position: absolute;
    top: 12px;
    left: 12px;
    background: var(--secondary);
    color: var(--gray-800);
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.7rem;
    font-weight: 700;
    z-index: 10;
}

.product-badge.premium {
    background: var(--primary);
    color: white;
}

.product-image {
    width: 100%;
    height: 160px;
    object-fit: cover;
    background: var(--gray-100);
}

.product-info { padding: 16px; }

.product-title {
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.product-company {
    font-size: 0.75rem;
    color: var(--gray-600);
    margin-bottom: 8px;
}

.product-price {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--primary-dark);
}

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--secondary-light) 100%);
}

.auth-box {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-lg);
}

.auth-box h2 {
    text-align: center;
    margin-bottom: 8px;
    font-size: 1.5rem;
}

.auth-box .subtitle {
    text-align: center;
    color: var(--gray-600);
    margin-bottom: 24px;
    font-size: 0.9rem;
}

.form-group { margin-bottom: 20px; }

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 6px;
    color: var(--gray-800);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.input-group { display: flex; gap: 8px; }
.input-group .form-control { flex: 1; }

.otp-inputs {
    display: flex;
    gap: 8px;
    justify-content: center;
    margin: 20px 0;
}

.otp-inputs input {
    width: 50px;
    height: 50px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 700;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
}

.user-type-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 24px;
}

.user-type-card {
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    padding: 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
}

.user-type-card:hover, .user-type-card.active {
    border-color: var(--primary);
    background: var(--primary-light);
}

.dashboard {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    padding: 20px 0;
}

.sidebar {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 20px;
    box-shadow: var(--shadow);
}

.sidebar-menu { list-style: none; }
.sidebar-menu li { margin-bottom: 4px; }

.sidebar-menu a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    border-radius: var(--radius);
    color: var(--gray-600);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
}

.sidebar-menu a:hover, .sidebar-menu a.active {
    background: var(--primary-light);
    color: var(--primary-dark);
}

.main-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 20px;
    box-shadow: var(--shadow);
    border-left: 4px solid var(--primary);
}

.stat-card.blue { border-left-color: #3b82f6; }
.stat-card.yellow { border-left-color: var(--secondary); }
.stat-card.red { border-left-color: var(--danger); }

.stat-card h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.stat-card p {
    font-size: 0.85rem;
    color: var(--gray-600);
}

.table-container {
    overflow-x: auto;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

table {
    width: 100%;
    border-collapse: collapse;
    background: var(--white);
}

th, td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--gray-200);
}

th {
    background: var(--primary-light);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover { background: var(--gray-50); }

.status-badge {
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
}

.status-active { background: var(--primary-light); color: var(--primary-dark); }
.status-expired { background: #fee2e2; color: var(--danger); }
.status-pending { background: var(--secondary-light); color: #92400e; }

.image-upload {
    border: 2px dashed var(--gray-200);
    border-radius: var(--radius);
    padding: 40px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s;
    background: var(--gray-50);
}

.image-upload:hover {
    border-color: var(--primary);
    background: var(--primary-light);
}

.image-preview {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin-top: 16px;
}

.image-preview img {
    width: 100%;
    height: 100px;
    object-fit: cover;
    border-radius: var(--radius);
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 32px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 2px solid var(--gray-200);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
}

.pricing-card.featured::before {
    content: 'POPULAR';
    position: absolute;
    top: 16px;
    right: -30px;
    background: var(--primary);
    color: white;
    padding: 4px 40px;
    font-size: 0.7rem;
    font-weight: 700;
    transform: rotate(45deg);
}

.pricing-card h3 {
    font-size: 1.3rem;
    margin-bottom: 8px;
}

.price {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    margin: 16px 0;
}

.price span {
    font-size: 1rem;
    color: var(--gray-600);
    font-weight: 400;
}

.features {
    list-style: none;
    margin: 24px 0;
    text-align: left;
}

.features li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 8px;
}

.features li::before {
    content: '✓';
    color: var(--primary);
    font-weight: 700;
}

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -4px 6px -1px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-around;
    padding: 8px 0;
    z-index: 1000;
}

.bottom-nav a {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    color: var(--gray-600);
    text-decoration: none;
    font-size: 0.7rem;
    padding: 4px 12px;
}

.bottom-nav a.active { color: var(--primary); }
.bottom-nav i { font-size: 1.3rem; }

.toast {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 16px 24px;
    border-radius: var(--radius);
    color: white;
    font-weight: 600;
    z-index: 9999;
    transform: translateX(400px);
    transition: transform 0.3s;
    box-shadow: var(--shadow-lg);
}

.toast.show { transform: translateX(0); }
.toast.success { background: var(--primary); }
.toast.error { background: var(--danger); }

.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--gray-200);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 20px auto;
}

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

@media (min-width: 768px) {
    .categories-grid { grid-template-columns: repeat(4, 1fr); }
    .products-grid { grid-template-columns: repeat(3, 1fr); }
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
    .dashboard { grid-template-columns: 260px 1fr; }
    .hero h1 { font-size: 3rem; }
    .bottom-nav { display: none; }
}

@media (max-width: 767px) {
    .header-content { flex-wrap: wrap; }
    .search-bar {
        order: 3;
        max-width: 100%;
        width: 100%;
    }
    .nav-links .btn span { display: none; }
    body { padding-bottom: 70px; }
}

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

.animate-fade-in { animation: fadeIn 0.5s ease-out; }

::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--gray-100); }
::-webkit-scrollbar-thumb { background: var(--primary); border-radius: 4px; }