/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2c3e50;
    --secondary: #3498db;
    --success: #27ae60;
    --warning: #f39c12;
    --danger: #e74c3c;
    --light: #f8f9fa;
    --dark: #343a40;
    --border: #e0e0e0;
    --shadow: 0 1px 3px rgba(0,0,0,0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

/* Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
}

/* Navigation */
.navbar {
    background-color: var(--primary);
    color: white;
    padding: 12px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: white;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 20px;
    align-items: center;
}

.nav-link {
    color: rgba(255,255,255,0.9);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: 2px;
}

.nav-link:hover {
    color: white;
    background-color: rgba(255,255,255,0.1);
}

/* Cards */
.card {
    background: white;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
    background-color: var(--light);
}

.card-body {
    padding: 20px;
}

/* Tables */
.table {
    width: 100%;
    border-collapse: collapse;
}

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

.table th {
    font-weight: 600;
    background-color: var(--light);
    color: var(--dark);
}

.table tr:hover {
    background-color: #f8f9fa;
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-label {
    display: block;
    margin-bottom: 6px;
    font-weight: 500;
}

.form-control {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--border);
    border-radius: 2px;
    font-size: 14px;
    transition: border-color 0.15s;
}

.form-control:focus {
    outline: none;
    border-color: var(--secondary);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 2px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background-color 0.15s;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

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

.btn-primary:hover {
    background-color: #2980b9;
}

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

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

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

.btn-light {
    background-color: var(--light);
    color: var(--dark);
    border: 1px solid var(--border);
}

/* Dashboard Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: white;
    border: 1px solid var(--border);
    padding: 20px;
    text-align: center;
}

.stat-number {
    font-size: 2rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 5px;
}

.stat-label {
    color: #666;
    font-size: 14px;
}

/* Status Badges */
.badge {
    display: inline-block;
    padding: 4px 8px;
    font-size: 12px;
    font-weight: 500;
    border-radius: 2px;
    text-transform: uppercase;
}

.badge-active {
    background-color: #d4edda;
    color: #155724;
}

.badge-expired {
    background-color: #f8d7da;
    color: #721c24;
}

.badge-trial {
    background-color: #fff3cd;
    color: #856404;
}

.badge-grace {
    background-color: #d1ecf1;
    color: #0c5460;
}

/* Login Page */
.login-container {
    max-width: 400px;
    margin: 60px auto;
    padding: 40px;
    background: white;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.login-title {
    text-align: center;
    margin-bottom: 30px;
    font-size: 1.5rem;
    color: var(--primary);
}

/* Filters */
.filter-bar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    flex-wrap: wrap;
}

/* Responsive */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        gap: 10px;
    }
    
    .nav-links {
        width: 100%;
        justify-content: center;
    }
    
    .table {
        font-size: 14px;
    }
    
    .table th,
    .table td {
        padding: 8px 10px;
    }
}

/* Additional badge styles */
.badge-paid {
    background-color: #d4edda;
    color: #155724;
}

.badge-enterprise {
    background-color: #cce5ff;
    color: #004085;
}

.badge-pending_renewal {
    background-color: #fff3cd;
    color: #856404;
}

/* Text colors */
.text-danger {
    color: var(--danger);
}

.text-warning {
    color: var(--warning);
}

.text-success {
    color: var(--success);
}

/* Alert styles */
.alert {
    padding: 12px 15px;
    margin-bottom: 15px;
    border: 1px solid transparent;
    border-radius: 2px;
}

.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

.alert-danger {
    background-color: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.alert-warning {
    background-color: #fff3cd;
    border-color: #ffeeba;
    color: #856404;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}