/* CSS Variables */
:root {
    --primary-color: #4f46e5;
    --primary-hover: #4338ca;
    --secondary-color: #64748b;
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --danger-color: #ef4444;
    --bg-color: #f1f5f9;
    --sidebar-bg: #1e293b;
    --card-bg: #ffffff;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --border-color: #e2e8f0;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --radius: 8px;
    --sidebar-width: 260px;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
}

/* App Container */
.app-container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--sidebar-bg);
    color: #fff;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    background: var(--primary-color);
    padding: 8px 12px;
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 14px;
}

.logo-icon-img {
    width: 36px;
    height: 36px;
}

.logo-text {
    font-weight: 600;
    font-size: 16px;
}

.sidebar-user {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--primary-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 14px;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-weight: 500;
    font-size: 14px;
}

.user-package {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.6);
}

/* Navigation Menu */
.nav-menu {
    list-style: none;
    padding: 15px 0;
    flex: 1;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.2s;
}

.nav-item a:hover,
.nav-item.active a {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
}

.nav-item.active a {
    border-left: 3px solid var(--primary-color);
}

.nav-icon {
    font-size: 18px;
    width: 24px;
    text-align: center;
}

/* Admin Link */
.nav-admin-link {
    margin-top: 10px;
    padding-top: 10px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.nav-admin-link a {
    background: rgba(239, 68, 68, 0.2);
    color: #fca5a5 !important;
}

.nav-admin-link a:hover {
    background: rgba(239, 68, 68, 0.3);
}

/* Sidebar Footer */
.sidebar-footer {
    padding: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.package-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 14px;
}

.package-label {
    color: rgba(255, 255, 255, 0.6);
}

.package-count {
    font-weight: 600;
}

.btn-logout {
    width: 100%;
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border: none;
}

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

/* Main Content */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.top-header {
    background: var(--card-bg);
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    box-shadow: var(--shadow);
}

.page-title {
    font-size: 24px;
    font-weight: 600;
}

.content-wrapper {
    padding: 30px;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

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

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

.btn-secondary {
    background: var(--secondary-color);
    color: #fff;
}

.btn-secondary:hover {
    background: #475569;
}

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

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

.btn-danger:hover {
    background: #dc2626;
}

.btn-outline {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.btn-outline:hover {
    background: var(--bg-color);
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-lg {
    padding: 14px 28px;
    font-size: 16px;
}

/* Cards */
.card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
}

.card-body {
    padding: 20px;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    padding: 20px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}

.stat-card .stat-icon {
    font-size: 32px;
    margin-bottom: 10px;
}

.stat-card .stat-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-card .stat-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 5px;
}

/* Website Grid */
.website-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.website-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.website-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.website-card-header {
    padding: 20px;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-hover));
    color: #fff;
}

.website-card-domain {
    font-size: 16px;
    font-weight: 600;
    word-break: break-all;
}

.website-card-body {
    padding: 20px;
}

.website-stat {
    display: flex;
    justify-content: space-between;
    padding: 8px 0;
    border-bottom: 1px solid var(--border-color);
}

.website-stat:last-child {
    border-bottom: none;
}

.website-stat-label {
    color: var(--text-secondary);
    font-size: 14px;
}

.website-stat-value {
    font-weight: 600;
}

.website-card-actions {
    padding: 15px 20px;
    background: var(--bg-color);
    display: flex;
    gap: 10px;
}

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

.form-label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    font-size: 14px;
    color: var(--text-primary);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.form-control::placeholder {
    color: var(--text-secondary);
}

textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

.form-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 5px;
}

.form-error {
    color: var(--danger-color);
    font-size: 12px;
    margin-top: 5px;
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
}

.form-check input {
    width: 18px;
    height: 18px;
}

.form-check label {
    font-size: 14px;
}

/* Alerts */
.alert {
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    font-size: 14px;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-warning {
    background: #fef3c7;
    color: #92400e;
    border: 1px solid #fde68a;
}

.alert-info {
    background: #dbeafe;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* Tables */
.table-wrapper {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

th {
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

tr:hover {
    background: var(--bg-color);
}

/* Packages */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.package-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    text-align: center;
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
}

.package-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.package-card.featured {
    border: 2px solid var(--primary-color);
}

.package-card.featured .package-header {
    background: var(--primary-color);
}

.package-header {
    padding: 25px;
    background: var(--sidebar-bg);
    color: #fff;
}

.package-name {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.package-price {
    font-size: 36px;
    font-weight: 700;
}

.package-price span {
    font-size: 14px;
    font-weight: 400;
    opacity: 0.8;
}

.package-body {
    padding: 25px;
}

.package-features {
    list-style: none;
    margin-bottom: 25px;
}

.package-features li {
    padding: 10px 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 14px;
}

.package-features li:last-child {
    border-bottom: none;
}

.package-features li::before {
    content: "✓ ";
    color: var(--success-color);
    font-weight: 700;
}

.package-badge {
    display: inline-block;
    padding: 4px 12px;
    background: var(--success-color);
    color: #fff;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    margin-top: 10px;
}

/* Activity Log */
.activity-list {
    list-style: none;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
}

.activity-content {
    flex: 1;
}

.activity-text {
    font-size: 14px;
    margin-bottom: 4px;
}

.activity-time {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Login / Register Pages */
.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: linear-gradient(135deg, var(--sidebar-bg) 0%, #334155 100%);
}

.auth-box {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 450px;
    overflow: hidden;
}

.auth-header {
    padding: 30px;
    text-align: center;
    background: var(--bg-color);
}

.auth-header .logo {
    justify-content: center;
    margin-bottom: 15px;
}

.auth-header h1 {
    font-size: 24px;
    margin-bottom: 5px;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 14px;
}

.auth-body {
    padding: 30px;
}

.auth-footer {
    padding: 20px 30px;
    background: var(--bg-color);
    text-align: center;
    font-size: 14px;
}

.auth-footer a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background: #fee2e2;
    color: #991b1b;
}

.badge-info {
    background: #dbeafe;
    color: #1e40af;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 60px 20px;
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state-title {
    font-size: 20px;
    font-weight: 600;
    margin-bottom: 10px;
}

.empty-state-text {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

/* Keyword Tags */
.keyword-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 10px;
}

.keyword-tag {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: var(--bg-color);
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 13px;
}

.keyword-tag .remove-tag {
    cursor: pointer;
    opacity: 0.6;
}

.keyword-tag .remove-tag:hover {
    opacity: 1;
}

/* Tab Navigation */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.tab-item {
    padding: 12px 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: all 0.2s;
}

.tab-item:hover {
    color: var(--text-primary);
}

.tab-item.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.2s;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal {
    background: var(--card-bg);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-title {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    cursor: pointer;
    font-size: 24px;
    opacity: 0.5;
}

.modal-close:hover {
    opacity: 1;
}

.modal-body {
    padding: 20px;
}

.modal-footer {
    padding: 15px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 100;
    }

    .sidebar.open {
        transform: translateX(0);
    }

    .main-content {
        margin-left: 0;
    }

    .stats-grid {
        grid-template-columns: 1fr 1fr;
    }

    .website-grid {
        grid-template-columns: 1fr;
    }

    .packages-grid {
        grid-template-columns: 1fr;
    }
}

/* Utility Classes */
.text-center { text-align: center; }
.text-right { text-align: right; }
.mb-0 { margin-bottom: 0; }
.mb-10 { margin-bottom: 10px; }
.mb-20 { margin-bottom: 20px; }
.mt-10 { margin-top: 10px; }
.mt-20 { margin-top: 20px; }
.d-flex { display: flex; }
.justify-between { justify-content: space-between; }
.align-center { align-items: center; }
.gap-10 { gap: 10px; }
.gap-20 { gap: 20px; }
.w-100 { width: 100%; }