@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

:root {
    --bg-dark: #0a0c10;
    --sidebar-bg: #11141b;
    --card-bg: #161b22;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --text-main: #f0f6fc;
    --text-muted: #8b949e;
    --border: #30363d;
    --success: #238636;
    --danger: #da3633;
    --card-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    --transition: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
}

/* Login Page */
.login-container {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at top right, #1a1c2e, #0a0c10);
}

.login-box {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border);
    box-shadow: var(--card-shadow);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.login-header p {
    color: var(--text-muted);
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.input-group input, .input-group select {
    width: 100%;
    padding: 0.75rem 1rem;
    background: #0d1117;
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-main);
    outline: none;
    transition: var(--transition);
}

.input-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

.btn-primary {
    width: 100%;
    padding: 0.75rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
}

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

.error-msg {
    color: var(--danger);
    text-align: center;
    margin-top: 1rem;
    font-size: 0.85rem;
}

/* Dashboard Layout */
.dashboard-layout {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--sidebar-bg);
    border-right: 1px solid var(--border);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 2.5rem;
}

.sidebar-header i {
    color: var(--accent);
    font-size: 1.75rem;
}

.sidebar-nav .nav-section {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    letter-spacing: 1px;
    margin: 1.5rem 0 0.75rem 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 0.25rem;
    transition: var(--transition);
}

.nav-link:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-main);
}

.nav-link.active {
    background: var(--accent);
    color: white;
}

.nav-link.logout:hover {
    background: rgba(218, 54, 51, 0.1);
    color: var(--danger);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

.top-header {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 2.5rem;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.role-badge {
    background: rgba(99, 102, 241, 0.1);
    color: var(--accent);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

/* Stats Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
    transition: var(--transition);
}

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

.stat-icon {
    width: 40px;
    height: 40px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.stat-icon.clicks { background: rgba(99, 102, 241, 0.15); color: var(--accent); }
.stat-icon.signups { background: rgba(35, 134, 54, 0.15); color: var(--success); }
.stat-icon.influencers { background: rgba(218, 54, 51, 0.15); color: var(--danger); }
.stat-icon.campaigns { background: rgba(255, 193, 7, 0.15); color: #ffc107; }
.stat-icon.wallet { background: rgba(35, 134, 54, 0.15); color: var(--success); }

.stat-label {
    color: var(--text-muted);
    font-size: 0.85rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 700;
}

/* Charts */
.charts-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.charts-grid.single {
    grid-template-columns: 1fr;
}

.chart-card {
    background: var(--card-bg);
    padding: 1.5rem;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.chart-header {
    margin-bottom: 1.5rem;
}

.chart-header h3 {
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
}

.chart-header p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Tables */
.data-table-container {
    background: var(--card-bg);
    border-radius: 12px;
    border: 1px solid var(--border);
    overflow: hidden;
}

.table-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border);
}

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

.custom-table th {
    text-align: left;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.custom-table td {
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
}

.custom-table tr:last-child td {
    border-bottom: none;
}

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

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: var(--card-bg);
    width: 100%;
    max-width: 500px;
    border-radius: 16px;
    padding: 2rem;
    border: 1px solid var(--border);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.modal-header i {
    cursor: pointer;
    font-size: 1.5rem;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h2 {
    font-size: 1.5rem;
}

.section-header .btn-primary {
    width: auto;
    padding: 0.6rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Responsive */
@media (max-width: 1024px) {
    .charts-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 70px;
        padding: 1rem 0.5rem;
    }
    .sidebar-header span, .sidebar-nav span, .nav-section {
        display: none;
    }
    .main-content {
        margin-left: 70px;
        padding: 1rem;
    }
    .nav-link {
        justify-content: center;
    }
}