/**
 * Lobby Page
 * ==========
 * Lobby-specific page styles for loading screen and layout.
 * 
 * Dependencies: variables.css
 */

/* Professional loading screen (fallback for slow JS) */
.loading-screen {
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: var(--z-modal);
    font-family: var(--font-family);
}

.loading-content {
    text-align: center;
    color: var(--color-text-inverse);
    padding: var(--spacing-xl);
}

.spinner {
    width: 50px;
    height: 50px;
    border: var(--border-width-thick) solid rgba(255,255,255,0.3);
    border-top: var(--border-width-thick) solid var(--color-text-inverse);
    border-radius: var(--border-radius-full);
    animation: spin var(--duration-slow) linear infinite;
    margin: 0 auto var(--spacing-md);
}

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

.loading-content p {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-medium);
}

/* Room header wrapper - fixed height */
#room-header-wrapper {
    flex-shrink: 0;
}

/* Lobby UI - use flexbox, inherit height from main, no scroll */
#lobby-ui {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

#lobby-ui .container {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
    padding: clamp(8px, 1.5vh, 20px);
    gap: clamp(6px, 1vh, 10px);
}

/* Game UI - use flexbox, inherit height from main */
#game-ui {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

#game-ui .container {
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow-y: auto;
    overflow-x: hidden;
}

/* Responsive design */
@media (max-width: 600px) {
    .game-list {
        grid-template-columns: 1fr;
    }
       
    .join-buttons {
        flex-direction: column;
    }
    
    #lobby-ui .container {
        padding: clamp(6px, 1vh, 15px);
    }
}

@media (max-height: 600px) {
    #lobby-ui .container {
        padding: clamp(4px, 0.8vh, 10px);
        gap: clamp(4px, 0.6vh, 6px);
    }
}