:root {
    --primary-color: #00f3ff;
    --secondary-color: #7b2cbf;
    --accent-color: #ff006e;
    --bg-dark: #0a0e27;
    --bg-card: #1a1f3a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --success: #00ff88;
    --warning: #ffaa00;
    --danger: #ff3366;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1a1f3a 100%);
    color: var(--text-primary);
    min-height: 100vh;
    position: relative;
    overflow-x: hidden;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 50%, rgba(123, 44, 191, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 243, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    position: relative;
    z-index: 1;
}

/* Navbar */
.navbar {
    background: rgba(26, 31, 58, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 243, 255, 0.2);
    padding: 15px 0;
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.navbar-brand {
    font-size: 24px;
    font-weight: bold;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.navbar-menu {
    display: flex;
    gap: 20px;
    align-items: center;
}

.navbar-link {
    color: var(--text-primary);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s;
}

.navbar-link:hover {
    background: rgba(0, 243, 255, 0.1);
    color: var(--primary-color);
}

/* Cards */
.card {
    background: rgba(26, 31, 58, 0.6);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: 16px;
    padding: 30px;
    margin-bottom: 20px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
}

.card:hover {
    border-color: rgba(0, 243, 255, 0.5);
    box-shadow: 0 8px 32px rgba(0, 243, 255, 0.2);
    transform: translateY(-2px);
}

.card-title {
    font-size: 24px;
    margin-bottom: 20px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    font-weight: 500;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

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

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

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

.form-control {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(0, 243, 255, 0.2);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 16px;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

/* Status badges */
.status-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 14px;
    font-weight: 500;
}

.status-active {
    background: rgba(0, 255, 136, 0.2);
    color: var(--success);
    border: 1px solid var(--success);
}

.status-inactive {
    background: rgba(255, 51, 102, 0.2);
    color: var(--danger);
    border: 1px solid var(--danger);
}

.status-pending {
    background: rgba(255, 170, 0, 0.2);
    color: var(--warning);
    border: 1px solid var(--warning);
}

/* Proxy link display */
.proxy-link {
    background: rgba(0, 243, 255, 0.1);
    border: 1px solid var(--primary-color);
    border-radius: 8px;
    padding: 15px;
    margin: 20px 0;
    word-break: break-all;
    font-family: monospace;
    color: var(--primary-color);
}

/* Messages */
.messages {
    margin-bottom: 20px;
}

.alert {
    padding: 15px 20px;
    border-radius: 8px;
    margin-bottom: 10px;
    border-left: 4px solid;
}

.alert-success {
    background: rgba(0, 255, 136, 0.1);
    border-color: var(--success);
    color: var(--success);
}

.alert-error {
    background: rgba(255, 51, 102, 0.1);
    border-color: var(--danger);
    color: var(--danger);
}

.alert-warning {
    background: rgba(255, 170, 0, 0.1);
    border-color: var(--warning);
    color: var(--warning);
}

.alert-info {
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--primary-color);
    color: var(--primary-color);
}

/* Login page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 20px;
}

.login-card {
    max-width: 400px;
    width: 100%;
}

/* Dashboard grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

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

.table th,
.table td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.table th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 14px;
}

.table tr:hover {
    background: rgba(0, 243, 255, 0.05);
}

/* QR Code display */
.qr-code-container {
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    margin: 20px 0;
}

.qr-code-container img {
    max-width: 300px;
    border-radius: 8px;
}

/* Radio buttons for plan selection */
.plan-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin: 20px 0;
}

.plan-option {
    position: relative;
}

.plan-option input[type="radio"] {
    position: absolute;
    opacity: 0;
}

.plan-option label {
    display: block;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0, 243, 255, 0.2);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.plan-option input[type="radio"]:checked + label {
    background: rgba(0, 243, 255, 0.1);
    border-color: var(--primary-color);
    box-shadow: 0 0 20px rgba(0, 243, 255, 0.3);
}

.plan-option label:hover {
    border-color: var(--primary-color);
}

.plan-name {
    font-size: 18px;
    font-weight: bold;
    margin-bottom: 10px;
}

.plan-price {
    font-size: 24px;
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .navbar-content {
        flex-direction: column;
        gap: 15px;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-options {
        grid-template-columns: 1fr;
    }
}