/* ============================================================
   ОБЩИЕ СТИЛИ
   ============================================================ */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: Arial, sans-serif;
    background: #f4f7fc;
    padding: 15px;
}
.container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 15px;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}
h1 {
    font-size: 24px;
    margin-bottom: 20px;
    color: #2c3e50;
    text-align: center;
}
h2, h3 {
    color: #2c3e50;
}

/* ============================================================
   КНОПКИ
   ============================================================ */
.btn-primary {
    background: #2c7be5;
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.2s;
    padding: 10px 20px;
    font-size: 16px;
}
.btn-primary:hover {
    background: #1a5fc7;
}

/* ============================================================
   БЛОК ПРОВЕРКИ СЕРВЕРА
   ============================================================ */
.server-check-block {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    margin: 10px 0 5px 0;
}

.btn-check-server {
    padding: 12px 30px;
    background: #6c757d;
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-check-server:hover {
    background: #5a6268;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.btn-check-server:active {
    transform: translateY(0);
}

.btn-check-server:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.server-status {
    padding: 10px 20px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 14px;
    text-align: center;
    width: 100%;
    max-width: 400px;
    animation: fadeIn 0.5s ease;
}

.server-status.online {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.server-status.offline {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.server-status.checking {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffc107;
}


/* ============================================================
   БЛОК-ЗАГЛУШКА ПРИ НЕДОСТУПНОСТИ СЕРВЕРА
   ============================================================ */
.server-offline-block {
    background: #fff3cd;
    border: 2px solid #ffc107;
    border-radius: 16px;
    padding: 30px 25px;
    margin: 15px 0 10px 0;
    text-align: center;
    animation: fadeIn 0.4s ease;
}

.server-offline-block .offline-icon {
    font-size: 48px;
    display: block;
    margin-bottom: 10px;
}

.server-offline-block h3 {
    font-size: 20px;
    color: #856404;
    margin-bottom: 8px;
}

.server-offline-block .offline-description {
    color: #856404;
    font-size: 15px;
    margin-bottom: 15px;
    line-height: 1.5;
}

.server-offline-block .contact-email {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: white;
    padding: 10px 24px;
    border-radius: 50px;
    margin: 10px 0 15px 0;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.server-offline-block .email-text {
    font-size: 18px;
    font-weight: 600;
    color: #2c3e50;
}

.server-offline-block .btn-retry {
    margin-top: 10px;
    padding: 10px 30px;
    background: #ffc107;
    color: #856404;
    border: none;
    border-radius: 8px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.server-offline-block .btn-retry:hover {
    background: #e0a800;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 193, 7, 0.3);
}

.server-offline-block .btn-retry:active {
    transform: translateY(0);
}

.hidden {
    display: none !important;
}

/* ============================================================
   АНИМАЦИИ
   ============================================================ */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}