/* Основные стили */
* {
    box-sizing: border-box;
}

body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 16px;
}

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

@keyframes slideUp {
    from {
        transform: translateY(100px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* Telegram алерт */
.telegram-alert {
    position: fixed;
    bottom: 20px;
    left: 20px;
    right: 20px;
    background-color: var(--tg-button-color, #2678b6);
    color: white;
    padding: 12px 20px;
    border-radius: 12px;
    text-align: center;
    animation: slideUp 0.3s ease-out;
    z-index: 10000;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Сообщение "Только Telegram" */
.telegram-only-message {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

/* Игровое поле */
.game-board {
    display: inline-block;
    background-color: var(--tg-secondary-bg-color, #f0f0f0);
    border-radius: 12px;
    padding: 8px;
}

/* Кнопки */
.btn-primary {
    background-color: var(--tg-button-color, #2678b6);
    border-color: var(--tg-button-color, #2678b6);
    color: var(--tg-button-text-color, white);
}

.btn-primary:hover {
    filter: brightness(0.95);
}

.btn-outline-secondary {
    border-color: var(--tg-hint-color, #999);
    color: var(--tg-text-color, #000);
}

/* Спиннер */
.spinner-border {
    width: 3rem;
    height: 3rem;
}