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

:root {
    --bg-deep: #0a0a0f;
    --bg-dark: #121218;
    --bg-card: rgba(30, 30, 45, 0.6);
    --text-primary: #ffffff;
    --text-secondary: #a0a0b5;
    --accent-purple: #b48eff;
    --accent-purple-light: #c9a8ff;
    --accent-purple-glow: rgba(180, 142, 255, 0.4);
    --accent-purple-dark: #9966ff;
    --accent-orange: #FF9900;
    --accent-red: #ff4757;
    --accent-green: #2ecc71;
    --glass-border: rgba(255, 255, 255, 0.1);
    --gradient-premium: linear-gradient(135deg, #FFD700, #FF9900, #FF6B00);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-deep);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    overflow-x: hidden;
}

.bg-grid {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(180, 142, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(180, 142, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    pointer-events: none;
    z-index: 0;
}

.bg-glow {
    position: fixed;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 50% 50%, rgba(180, 142, 255, 0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
    animation: bgPulse 8s ease-in-out infinite;
}

@keyframes bgPulse {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.1); }
}

/* Sidebar */
.sidebar {
    width: 280px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-right: 1px solid var(--glass-border);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0;
    top: 0;
    height: 100vh;
    z-index: 100;
}

.sidebar-header {
    padding: 30px 25px;
    border-bottom: 1px solid var(--glass-border);
}

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

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 4px 20px var(--accent-purple-glow);
}

.logo-text {
    font-weight: 800;
    font-size: 20px;
    letter-spacing: 1px;
}

.logo-text span {
    color: var(--accent-purple);
}

.sidebar-nav {
    flex: 1;
    padding: 20px 15px;
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-radius: 12px;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
    margin-bottom: 8px;
    font-weight: 500;
}

.nav-item:hover {
    background: rgba(180, 142, 255, 0.1);
    color: var(--text-primary);
}

.nav-item.active {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-dark));
    color: white;
    box-shadow: 0 4px 15px var(--accent-purple-glow);
}

.nav-item i {
    font-size: 18px;
    width: 20px;
}

.sidebar-footer {
    padding: 20px 15px;
    border-top: 1px solid var(--glass-border);
}

.logout-btn {
    width: 100%;
    padding: 14px 18px;
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    border-radius: 12px;
    color: var(--accent-red);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.logout-btn:hover {
    background: rgba(255, 71, 87, 0.2);
}

/* Main Content */
.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 30px;
    position: relative;
    z-index: 1;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 40px;
}

.header h1 {
    font-size: 32px;
    font-weight: 800;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 12px 20px;
}

.user-avatar {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-dark));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.user-name {
    font-weight: 700;
    font-size: 15px;
}

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

/* Pages */
.page {
    display: none;
}

.page.active {
    display: block;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    border-color: rgba(180, 142, 255, 0.3);
}

.stat-icon {
    width: 60px;
    height: 60px;
    background: rgba(180, 142, 255, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--accent-purple);
}

.stat-icon.premium {
    background: rgba(255, 153, 0, 0.1);
    color: var(--accent-orange);
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 5px;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
}

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

/* Card */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 20px;
}

.card-header {
    padding: 25px;
    border-bottom: 1px solid var(--glass-border);
}

.card-header h2 {
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 5px;
}

.card-header p {
    font-size: 13px;
    color: var(--text-secondary);
}

.card-body {
    padding: 25px;
}

/* Quick Actions */
.quick-actions {
    display: grid;
    gap: 12px;
}

.action-btn {
    width: 100%;
    padding: 16px 20px;
    background: rgba(180, 142, 255, 0.1);
    border: 1px solid rgba(180, 142, 255, 0.3);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 12px;
    transition: all 0.3s ease;
}

.action-btn:hover {
    background: rgba(180, 142, 255, 0.2);
    transform: translateX(5px);
}

.action-btn.premium {
    background: rgba(255, 153, 0, 0.1);
    border-color: rgba(255, 153, 0, 0.3);
    color: var(--accent-orange);
}

.action-btn.premium:hover {
    background: rgba(255, 153, 0, 0.2);
}

.action-btn i {
    font-size: 18px;
}

/* Info List */
.info-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    border-bottom: 1px solid var(--glass-border);
}

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

.info-label {
    font-size: 13px;
    color: var(--text-secondary);
}

.info-value {
    font-size: 14px;
    font-weight: 600;
}

/* Forms */
.settings-form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 8px;
}

.form-group small {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
}

.form-input {
    width: 100%;
    background: rgba(30, 30, 45, 0.8);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 14px 16px;
    color: var(--text-primary);
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-purple);
    box-shadow: 0 0 0 3px rgba(180, 142, 255, 0.1);
}

.form-input:read-only {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Buttons */
.btn {
    padding: 14px 24px;
    border: none;
    border-radius: 12px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-purple), var(--accent-purple-dark));
    color: white;
    box-shadow: 0 4px 15px var(--accent-purple-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-purple-glow);
}

.btn-secondary {
    background: rgba(180, 142, 255, 0.1);
    border: 1px solid rgba(180, 142, 255, 0.3);
    color: var(--accent-purple);
}

.btn-secondary:hover {
    background: rgba(180, 142, 255, 0.2);
}

.btn-premium {
    background: var(--gradient-premium);
    color: #000;
    box-shadow: 0 4px 15px rgba(255, 153, 0, 0.3);
}

.btn-premium:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 153, 0, 0.4);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Alert */
.alert {
    padding: 14px 18px;
    border-radius: 10px;
    font-size: 13px;
    margin-bottom: 20px;
    display: none;
    align-items: center;
    gap: 10px;
}

.alert.show {
    display: flex;
}

.alert.success {
    background: rgba(46, 204, 113, 0.1);
    border: 1px solid rgba(46, 204, 113, 0.3);
    color: var(--accent-green);
}

.alert.error {
    background: rgba(255, 71, 87, 0.1);
    border: 1px solid rgba(255, 71, 87, 0.3);
    color: var(--accent-red);
}

/* Security Options */
.security-options {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.security-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(30, 30, 45, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
}

.security-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.security-info i {
    font-size: 24px;
    color: var(--accent-purple);
}

.security-info h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.security-info p {
    font-size: 12px;
    color: var(--text-secondary);
}

/* Pricing Grid */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    max-width: 900px;
}

.pricing-card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 30px;
    position: relative;
    transition: all 0.3s ease;
}

.pricing-card:hover {
    transform: translateY(-5px);
    border-color: rgba(180, 142, 255, 0.3);
}

.pricing-card.premium {
    border: 2px solid var(--accent-orange);
    box-shadow: 0 10px 40px rgba(255, 153, 0, 0.2);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    right: 20px;
    background: var(--gradient-premium);
    color: #000;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
}

.pricing-header {
    text-align: center;
    margin-bottom: 30px;
}

.pricing-header h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 15px;
}

.price {
    font-size: 48px;
    font-weight: 800;
    color: var(--accent-purple);
}

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

.pricing-features {
    margin-bottom: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 0;
    font-size: 14px;
}

.feature i {
    color: var(--accent-green);
    font-size: 16px;
}

.feature.disabled {
    opacity: 0.4;
}

.feature.disabled i {
    color: var(--accent-red);
}

/* Servers List */
.servers-list {
    display: grid;
    gap: 15px;
}

.server-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 18px 20px;
    background: rgba(30, 30, 45, 0.5);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    transition: all 0.3s ease;
}

.server-item:hover {
    background: rgba(30, 30, 45, 0.8);
    border-color: rgba(180, 142, 255, 0.3);
}

.server-info-left {
    display: flex;
    align-items: center;
    gap: 15px;
}

.server-flag {
    font-size: 28px;
}

.server-details h3 {
    font-size: 15px;
    font-weight: 600;
    margin-bottom: 4px;
}

.server-details p {
    font-size: 12px;
    color: var(--text-secondary);
}

.server-status {
    display: flex;
    align-items: center;
    gap: 15px;
}

.server-ping {
    font-size: 13px;
    font-weight: 600;
    color: var(--accent-green);
}

.server-badge {
    background: var(--gradient-premium);
    color: #000;
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
}

.loading {
    text-align: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* Toast */
.toast {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 16px 24px;
    display: flex;
    align-items: center;
    gap: 12px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transform: translateY(150%);
    transition: transform 0.3s ease;
    z-index: 1000;
}

.toast.show {
    transform: translateY(0);
}

.toast i {
    color: var(--accent-green);
    font-size: 20px;
}

/* Responsive */
@media (max-width: 1024px) {
    .sidebar {
        width: 240px;
    }
    
    .main-content {
        margin-left: 240px;
    }
}

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .main-content {
        margin-left: 0;
        padding: 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .content-grid {
        grid-template-columns: 1fr;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
}