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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

.login-container {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
    text-align: center;
    max-width: 400px;
    width: 90%;
    margin: 100px auto;
}

.login-container h1 {
    margin-bottom: 30px;
    color: #333;
    font-size: 24px;
}

.admin-container {
    background: white;
    min-height: 100vh;
    width: 100%;
    display: flex;
    flex-direction: column;
}

.admin-header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 20px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.admin-header h1 {
    font-size: 24px;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.btn-logout {
    background: rgba(255,255,255,0.2);
    color: white;
    border: 1px solid rgba(255,255,255,0.3);
    padding: 8px 16px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-logout:hover {
    background: rgba(255,255,255,0.3);
}

.admin-tabs {
    display: flex;
    background: #f8f9fa;
    border-bottom: 2px solid #e9ecef;
    padding: 0 20px;
}

.tab-btn {
    padding: 15px 30px;
    background: none;
    border: none;
    color: #666;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: all 0.3s;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
}

.tab-btn:hover {
    color: #333;
    background: rgba(102, 126, 234, 0.1);
}

.tab-btn.active {
    color: #667eea;
    border-bottom-color: #667eea;
}

.tab-content {
    flex: 1;
    padding: 30px;
    background: #f8f9fa;
}

.tab-pane {
    animation: fadeIn 0.3s ease-in;
}

.tab-pane h2 {
    margin-bottom: 20px;
    color: #333;
}

.content-block {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    min-height: 400px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

#error-message {
    background: #fee;
    color: #c33;
    padding: 10px;
    border-radius: 8px;
    margin-top: 15px;
    display: none;
}

/* Стили для виджета Telegram */
#telegram-login-box {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 50px;
    margin: 20px 0;
}

#telegram-login-box iframe {
    max-width: 100%;
}