:root {
    --bg-color: #0a0f1a;
    --card-bg: rgba(10, 20, 30, 0.8);
    --primary: #00aaff;
    --text: #e0f0ff;
    --text-dim: #88a0bb;
    --error: #ff6b6b;
    --success: #10b981;
    --glass-border: rgba(0,170,255,0.2);
}

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

body {
    background: var(--bg-color);
    color: var(--text);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 500px;
    margin: 0 auto;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 25px;
    margin-bottom: 20px;
    border: 1px solid var(--glass-border);
    box-shadow: 0 8px 32px rgba(0,0,0,0.36);
}

.header {
    text-align: center;
    margin-bottom: 30px;
    padding-top: 40px;
}

.header h1 {
    font-size: 28px;
    color: var(--primary);
    margin-bottom: 5px;
}

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

.avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary), #0088cc);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 15px;
    box-shadow: 0 0 20px var(--primary);
}

.balance {
    text-align: center;
    margin: 20px 0;
}

.balance-amount {
    font-size: 36px;
    font-weight: 700;
    color: var(--primary);
}

.balance-label {
    color: var(--text-dim);
    font-size: 14px;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    margin: 20px 0;
}

.stat-item {
    background: rgba(0,0,0,0.3);
    border-radius: 15px;
    padding: 15px;
    text-align: center;
}

.stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

.stat-label {
    color: var(--text-dim);
    font-size: 12px;
    margin-top: 5px;
}

.key-item {
    background: rgba(0,0,0,0.3);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 10px;
    border-left: 3px solid var(--primary);
}

.key-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.key-region {
    font-weight: 600;
    font-size: 16px;
}

.key-status {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 500;
}

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

.status-warning {
    background: #ffaa00;
    color: black;
}

.key-config {
    font-family: monospace;
    font-size: 12px;
    background: #1a2a3a;
    padding: 10px;
    border-radius: 8px;
    word-break: break-all;
    margin: 10px 0;
}

.key-expires {
    color: var(--text-dim);
    font-size: 12px;
    text-align: right;
}

.btn {
    width: 100%;
    padding: 15px;
    border: none;
    border-radius: 12px;
    font-weight: 600;
    font-size: 16px;
    cursor: pointer;
    transition: 0.3s;
    margin: 5px 0;
}

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

.btn-primary:hover {
    background: #0099ff;
    transform: translateY(-2px);
}

.btn-secondary {
    background: rgba(255,255,255,0.1);
    color: var(--text);
    border: 1px solid rgba(0,170,255,0.3);
}

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

.btn-logout {
    background: rgba(255,100,100,0.2);
    color: var(--error);
    border: 1px solid var(--error);
}

.btn-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: var(--card-bg);
    border: 1px solid rgba(0,170,255,0.3);
    color: var(--primary);
    font-size: 20px;
    cursor: pointer;
    transition: 0.3s;
}

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

.action-buttons {
    display: flex;
    gap: 10px;
    margin: 20px 0;
}

/* ===== Навигация ===== */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-around;
    background: var(--card-bg);
    backdrop-filter: blur(10px);
    border-top: 1px solid var(--glass-border);
    padding: 8px 0 12px;
    z-index: 1000;
}

.nav-item {
    background: none;
    border: none;
    color: var(--text-dim);
    font-size: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    cursor: pointer;
    transition: 0.2s;
    padding: 5px 10px;
    border-radius: 20px;
}

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

.nav-item.active {
    color: var(--primary);
    background: rgba(0,170,255,0.1);
}

.content {
    padding-bottom: 80px;
    min-height: 100vh;
    box-sizing: border-box;
}

/* ===== Загрузка ===== */
.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    color: var(--text-dim);
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(0,170,255,0.3);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 15px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ===== Ошибка ===== */
.error {
    text-align: center;
    padding: 40px;
    color: var(--error);
}

/* ===== Новости, FAQ, отзывы ===== */
.news-item, .faq-item, .review-item {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 20px;
    margin-bottom: 15px;
    border: 1px solid var(--glass-border);
}

.news-item h3 {
    color: var(--primary);
    margin-bottom: 8px;
}

.news-item small {
    color: var(--text-dim);
    display: block;
    margin-bottom: 10px;
}

.faq-item h4 {
    color: var(--primary);
    margin-bottom: 8px;
    cursor: pointer;
}

.faq-item p {
    display: none;
    margin-top: 10px;
    color: var(--text);
}

.faq-item.expanded p {
    display: block;
}

.video-item {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--card-bg);
    border-radius: 15px;
    padding: 15px;
    margin-bottom: 10px;
    cursor: pointer;
    transition: 0.2s;
}

.video-item:hover {
    background: rgba(0,170,255,0.1);
}

.video-item i {
    font-size: 30px;
    color: var(--primary);
}

.rating-stars span {
    cursor: pointer;
    transition: color 0.2s;
}

.rating-stars span:hover {
    color: #ffaa00;
}

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

/* ===== О сервисе ===== */
.about-section {
    padding: 20px 0;
}

.about-card {
    background: var(--card-bg);
    border: 1px solid var(--glass-border);
    border-radius: 15px;
    margin-bottom: 15px;
    overflow: hidden;
    transition: 0.3s;
    cursor: pointer;
}

.about-card:hover {
    border-color: var(--primary);
}

.about-header {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px 20px;
    font-weight: 600;
    color: var(--primary);
}

.about-header i:first-child {
    font-size: 24px;
}

.about-header i:last-child {
    margin-left: auto;
    transition: transform 0.3s;
}

.about-content {
    padding: 0 20px 20px;
    color: var(--text-dim);
    line-height: 1.6;
    border-top: 1px solid rgba(0,170,255,0.2);
}

.about-content a {
    color: var(--primary);
    text-decoration: none;
}

.about-content a:hover {
    text-decoration: underline;
}