/* CSS Variables cho Premium Dark Theme */
:root {
    --bg-main: #0B0A10;
    --bg-surface: #14131A;
    --bg-surface-elevated: #1D1B26;
    
    --primary-color: #7C3AED;      /* Neon Purple */
    --primary-hover: #6D28D9;
    --accent-blue: #3B82F6;        /* Cyber Blue */
    --accent-green: #10B981;       /* Success/Growth */
    --accent-red: #EF4444;         /* Alert/Loss */
    
    --text-primary: #F8FAFC;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    --border-color: rgba(255, 255, 255, 0.08);
    --glass-bg: rgba(20, 19, 26, 0.6);
    --glass-border: rgba(255, 255, 255, 0.05);
    
    --font-family: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-main);
    color: var(--text-primary);
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

/* Layout */
.app-container {
    display: flex;
    height: 100vh;
}

/* Glassmorphism Effect */
.glass-effect {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--bg-surface);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    padding: 24px 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 24px;
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 40px;
}

.logo i {
    color: var(--primary-color);
    font-size: 28px;
    text-shadow: 0 0 15px rgba(124, 58, 237, 0.5);
}

.pro-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-blue));
    font-size: 10px;
    padding: 2px 6px;
    border-radius: 4px;
    margin-left: 8px;
    vertical-align: middle;
}

.nav-menu {
    flex: 1;
    padding: 0 16px;
}

.nav-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin: 16px 8px 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: var(--transition);
    font-weight: 500;
    margin-bottom: 4px;
}

.nav-item i {
    font-size: 20px;
}

.nav-item:hover, .nav-item.active {
    background-color: rgba(124, 58, 237, 0.1);
    color: var(--primary-color);
}

.user-profile {
    padding: 16px 24px;
    border-top: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: auto;
}

.avatar {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-blue), var(--primary-color));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.user-info {
    display: flex;
    flex-direction: column;
    overflow: hidden; /* Prevent text overflow */
    max-width: 150px;
}

.user-info .name {
    font-size: 14px;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 2px;
}

.user-info .plan {
    font-size: 11px;
    color: var(--text-muted);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: radial-gradient(circle at top right, rgba(124, 58, 237, 0.05), transparent 40%);
}

/* Topbar */
.topbar {
    height: 70px;
    padding: 0 32px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(11, 10, 16, 0.8);
    backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 10;
}

.search-bar {
    display: flex;
    align-items: center;
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 8px 16px;
    width: 400px;
}

.search-bar i {
    color: var(--text-muted);
    font-size: 18px;
    margin-right: 12px;
}

.search-bar input {
    background: none;
    border: none;
    color: var(--text-primary);
    width: 100%;
    outline: none;
    font-family: inherit;
}

.topbar-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.icon-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.icon-btn:hover {
    color: var(--text-primary);
}

.notification-dot {
    position: absolute;
    top: 0;
    right: 2px;
    width: 8px;
    height: 8px;
    background-color: var(--accent-red);
    border-radius: 50%;
    border: 2px solid var(--bg-main);
}

.primary-btn {
    background-color: var(--primary-color);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(124, 58, 237, 0.3);
}

.primary-btn:hover {
    background-color: var(--primary-hover);
    transform: translateY(-1px);
}

.ghost-btn {
    background: none;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.ghost-btn:hover {
    background-color: rgba(255, 255, 255, 0.05);
}

/* Dashboard Content */
.dashboard-content {
    padding: 32px;
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.subtitle {
    color: var(--text-muted);
    font-size: 14px;
}

.filters {
    display: flex;
    gap: 12px;
}

.custom-select {
    background-color: var(--bg-surface-elevated);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px 8px 12px;
    border-radius: 8px;
    outline: none;
    font-family: inherit;
    cursor: pointer;
}

/* Stats Widgets */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 32px;
}

.stat-card {
    padding: 24px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
}

.stat-icon.purple { background-color: rgba(124, 58, 237, 0.1); color: var(--primary-color); }
.stat-icon.green { background-color: rgba(16, 185, 129, 0.1); color: var(--accent-green); }
.stat-icon.blue { background-color: rgba(59, 130, 246, 0.1); color: var(--accent-blue); }

.stat-label {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 4px;
}

.stat-value {
    font-size: 28px;
    font-weight: 700;
    margin-bottom: 4px;
}

.stat-trend {
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.stat-trend.positive { color: var(--accent-green); }
.stat-trend.negative { color: var(--accent-red); }

/* Charts */
.chart-container {
    padding: 24px;
    margin-bottom: 24px;
}

.chart-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.chart-header h3 {
    font-size: 18px;
    font-weight: 600;
}

.chart-canvas-wrapper {
    height: 300px;
    width: 100%;
}

/* Data Table */
.table-container {
    padding: 24px;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.table-header h3 {
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.badge.new {
    background-color: var(--accent-red);
    color: white;
    font-size: 12px;
    padding: 2px 8px;
    border-radius: 12px;
}

.table-wrapper {
    overflow-x: auto;
}

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

.data-table th {
    text-align: left;
    padding: 16px;
    color: var(--text-muted);
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    border-bottom: 1px solid var(--border-color);
}

.data-table td {
    padding: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    vertical-align: middle;
}

.data-table tr:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

.product-cell {
    display: flex;
    align-items: center;
    gap: 16px;
}

.product-img {
    width: 56px;
    height: 56px;
    border-radius: 8px;
    object-fit: cover;
    border: 1px solid var(--border-color);
}

.product-details h4 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-primary);
}

.product-shop {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 4px;
}

.growth-pill {
    background-color: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.btn-spy {
    background-color: rgba(124, 58, 237, 0.15);
    color: var(--primary-color);
    border: 1px solid rgba(124, 58, 237, 0.3);
    padding: 8px 16px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

/* SaaS Paywall Overlay */
.paywall-container {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(11, 10, 16, 0.85); /* Tối mờ nền đi */
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    transition: var(--transition);
}

.paywall-container.hidden {
    opacity: 0;
    pointer-events: none;
}

.paywall-box {
    width: 420px;
    padding: 40px;
    text-align: center;
    background: var(--bg-surface-elevated);
    border-top: 4px solid var(--primary-color);
}

.paywall-icon i {
    font-size: 48px;
    color: var(--primary-color);
    margin-bottom: 24px;
    text-shadow: 0 0 20px rgba(124, 58, 237, 0.6);
}

.paywall-box h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.paywall-box p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 32px;
}

.pricing-card {
    background: rgba(124, 58, 237, 0.05);
    border: 1px solid rgba(124, 58, 237, 0.2);
    border-radius: 12px;
    padding: 24px;
    text-align: left;
}

.pricing-card h3 {
    font-size: 16px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.pricing-card .price {
    font-size: 40px;
    font-weight: 700;
    color: white;
    margin: 12px 0 24px;
}

.pricing-card .price span {
    font-size: 16px;
    color: var(--text-secondary);
}

.pricing-card .features {
    list-style: none;
    margin-bottom: 32px;
}

.pricing-card .features li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    font-size: 14px;
    color: var(--text-primary);
}

.pricing-card .features li i {
    color: var(--accent-green);
    font-size: 18px;
}

.w-100 {
    width: 100%;
    justify-content: center;
}

.demo-login {
    text-align: center;
    margin-top: 16px;
    font-size: 12px;
    color: var(--text-muted);
    cursor: pointer;
    text-decoration: underline;
}

.demo-login:hover {
    color: var(--primary-color);
}

/* Khi bị khóa, mờ Dashboard đằng sau */
body.locked .main-content {
    filter: blur(5px);
    user-select: none;
    pointer-events: none;
}

/* Utilities */
.mt-4 { margin-top: 24px; }

/* Form Khung Auth */
.glass-input {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    outline: none;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.glass-input:focus {
    border-color: var(--primary-color);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.2);
}

/* Premium Auth Box Styling */
.auth-box {
    width: 460px;
    padding: 40px;
    text-align: center;
    background: rgba(15, 12, 25, 0.85);
    border: 1px solid rgba(124, 58, 237, 0.3);
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
}

.social-login-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
    margin-bottom: 20px;
}

.social-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    color: var(--text-primary);
    padding: 10px;
    border-radius: 12px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.social-btn:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-2px);
    border-color: rgba(255,255,255,0.3);
}

.auth-divider {
    position: relative;
    text-align: center;
    margin: 24px 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    border-top: 1px solid rgba(255,255,255,0.1);
}

.auth-divider span {
    background: #0f0c19; /* Match auth box background */
    padding: 0 12px;
    color: var(--text-muted);
    font-size: 12px;
    position: relative;
    z-index: 1;
    font-weight: 600;
}

.input-group {
    position: relative;
}

.input-group i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    font-size: 20px;
    pointer-events: none;
}

.auth-input {
    padding-left: 48px !important;
    background: rgba(0,0,0,0.3) !important;
}

.auth-action-btn {
    padding: 14px;
    font-size: 16px;
    border-radius: 12px;
    font-weight: 700;
    background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%);
    box-shadow: 0 4px 15px rgba(124, 58, 237, 0.4);
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.auth-action-btn:hover {
    box-shadow: 0 6px 20px rgba(124, 58, 237, 0.6);
}

.demo-login span {
    color: var(--primary-color);
    font-weight: 700;
    text-decoration: underline;
    transition: var(--transition);
}

.demo-login span:hover {
    color: var(--accent);
}

/* Subtle entrance animation */
@keyframes scaleIn {
    0% { opacity: 0; transform: scale(0.95); }
    100% { opacity: 1; transform: scale(1); }
}

.auth-scale-in {
    animation: scaleIn 0.4s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}