/* Reset y configuración base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-blue: #2563eb;
    --secondary-blue: #1d4ed8;
    --light-blue: #3b82f6;
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-dark: #1e293b;
    --text-medium: #475569;
    --text-light: #64748b;
    --border-color: #e2e8f0;
    --hover-bg: #f1f5f9;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background: var(--bg-white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.navbar {
    padding: 0.75rem 0;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text-dark);
}

.logo-img {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    object-fit: cover;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    text-decoration: none;
    color: var(--text-medium);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s ease;
    display: flex;
    align-items: center;
    gap: 4px;
}

.nav-menu a:hover {
    color: var(--primary-blue);
}

.nav-menu .dropdown i {
    font-size: 0.7rem;
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.cart-icon {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-medium);
    font-size: 0.85rem;
    cursor: pointer;
}

.cart-icon:hover {
    color: var(--primary-blue);
}

.currency {
    background: var(--bg-light);
    padding: 6px 12px;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-medium);
}

.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 6px;
    font-weight: 500;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.btn-primary:hover {
    background: var(--secondary-blue);
}

.btn-search {
    background: var(--primary-blue);
    color: white;
    padding: 12px 24px;
    font-weight: 600;
}

.btn-search:hover {
    background: var(--secondary-blue);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 22px;
    height: 2px;
    background: var(--text-medium);
    margin: 3px 0;
    transition: 0.3s;
}

/* Main Content */
.main-content {
    min-height: calc(100vh - 80px);
    padding: 2rem 0;
}

.content-wrapper {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Sidebar */
.sidebar {
    background: var(--bg-white);
    border-radius: 8px;
    padding: 1.5rem;
    height: fit-content;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.sidebar-section {
    margin-bottom: 2rem;
}

.sidebar-section:last-child {
    margin-bottom: 0;
}

.sidebar-section h3 {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.category-list,
.action-list {
    list-style: none;
}

.category-list li,
.action-list li {
    margin-bottom: 0.5rem;
}

.category-list a,
.action-list a {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    text-decoration: none;
    color: var(--text-medium);
    font-size: 0.875rem;
    transition: all 0.2s ease;
}

.category-list a:hover,
.action-list a:hover {
    background: var(--hover-bg);
    color: var(--text-dark);
}

.category-list a.active,
.action-list a.active {
    background: #dbeafe;
    color: var(--primary-blue);
}

.category-list i,
.action-list i {
    font-size: 0.75rem;
    width: 14px;
}

/* Main Area */
.main-area {
    background: var(--bg-white);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.page-title {
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

/* Search Section */
.search-section {
    margin-bottom: 2rem;
}

.search-container {
    background: linear-gradient(135deg, var(--primary-blue), var(--light-blue));
    border-radius: 12px;
    padding: 2rem;
}

.search-box {
    display: flex;
    align-items: center;
    background: white;
    border-radius: 8px;
    padding: 4px;
    box-shadow: var(--shadow-md);
    max-width: 600px;
    margin: 0 auto;
}

.search-box i {
    color: var(--text-light);
    margin-left: 16px;
    margin-right: 12px;
}

.search-box input {
    flex: 1;
    border: none;
    outline: none;
    padding: 12px 8px;
    font-size: 1rem;
    color: var(--text-dark);
}

.search-box input::placeholder {
    color: var(--text-light);
}

/* Extensions Section */
.extensions-section h2 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.filter-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    gap: 1rem;
}

.category-filter {
    display: flex;
    gap: 0.5rem;
}

.filter-tag {
    background: var(--bg-light);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.875rem;
    color: var(--text-medium);
    display: flex;
    align-items: center;
    gap: 6px;
}

.filter-tag i {
    font-size: 0.7rem;
    cursor: pointer;
}

.filter-search {
    padding: 8px 12px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
    outline: none;
    width: 200px;
}

.filter-search:focus {
    border-color: var(--primary-blue);
}

/* Domains Table */
.domains-table {
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.table-header {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    background: var(--bg-light);
    padding: 1rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-dark);
    border-bottom: 1px solid var(--border-color);
}

.table-row {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr 1fr;
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s ease;
}

.table-row:hover {
    background-color: var(--hover-bg);
}

.table-row:last-child {
    border-bottom: none;
}

.col-name {
    font-weight: 600;
    color: var(--text-dark);
}

.col-price,
.col-transfer,
.col-renew {
    display: flex;
    flex-direction: column;
}

.price {
    font-weight: 600;
    color: var(--primary-blue);
    font-size: 0.9rem;
}

.period {
    font-size: 0.75rem;
    color: var(--text-light);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .nav-actions {
        display: none;
    }
    
    .content-wrapper {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
    
    .sidebar {
        order: 2;
    }
    
    .main-area {
        order: 1;
        padding: 1rem;
    }
    
    .search-container {
        padding: 1.5rem 1rem;
    }
    
    .filter-controls {
        flex-direction: column;
        align-items: stretch;
        gap: 1rem;
    }
    
    .filter-search {
        width: 100%;
    }
    
    .table-header,
    .table-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .table-header {
        display: none;
    }
    
    .table-row {
        border: 1px solid var(--border-color);
        border-radius: 6px;
        margin-bottom: 0.5rem;
        padding: 1rem;
    }
    
    .table-row > div {
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0.25rem 0;
    }
    
    .table-row > div::before {
        content: attr(data-label);
        font-weight: 600;
        color: var(--text-medium);
        font-size: 0.875rem;
    }
}

@media (max-width: 480px) {
    .container,
    .nav-container,
    .content-wrapper {
        padding: 0 15px;
    }
    
    .main-content {
        padding: 1rem 0;
    }
    
    .page-title {
        font-size: 1.5rem;
    }
    
    .search-box {
        flex-direction: column;
        align-items: stretch;
        padding: 1rem;
        gap: 1rem;
    }
    
    .search-box i {
        display: none;
    }
    
    .search-box input {
        padding: 12px;
        text-align: center;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}