/* ====================================
   Mobile Optimizations
   ==================================== */

/* Touch-friendly buttons and links */
@media (hover: none) and (pointer: coarse) {
    button, .btn, a, .icon-btn {
        min-height: 44px;
        min-width: 44px;
    }
}

/* Prevent tap highlight on mobile */
* {
    -webkit-tap-highlight-color: rgba(255, 105, 180, 0.2);
}

/* Optimize for small screens (< 768px) */
@media (max-width: 768px) {
    /* Header optimizations */
    .header {
        padding: 10px 15px;
    }

    .header-content {
        flex-wrap: wrap;
        gap: 10px;
    }

    .logo {
        font-size: 1.3rem;
    }

    .user-info {
        font-size: 0.9rem;
        gap: 8px;
    }

    .user-info button {
        padding: 8px 12px;
        font-size: 0.85rem;
    }

    /* Room container - stack vertically */
    .room-container {
        grid-template-columns: 1fr;
        padding: 12px;
        gap: 15px;
        height: auto;
        min-height: 100vh;
    }

    /* Video player */
    .video-player {
        border-radius: 16px;
        aspect-ratio: 16/9;
    }

    .video-controls {
        padding: 16px;
        border-radius: 16px;
    }

    .room-info {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .room-code-display {
        font-size: 1rem;
        padding: 10px 20px;
    }

    /* Add video form */
    .add-video-form {
        flex-direction: column;
    }

    .add-video-form input {
        width: 100%;
        font-size: 16px; /* Prevent zoom on iOS */
        padding: 12px 15px;
    }

    .add-video-form button {
        width: 100%;
        padding: 12px;
    }

    /* Members list */
    .members-list {
        padding: 16px;
    }

    .member-item {
        padding: 12px 8px;
    }

    /* Chat section */
    .chat-section {
        height: 70vh;
        min-height: 500px;
        border-radius: 16px;
    }

    .chat-header {
        padding: 16px;
    }

    .chat-header h3 {
        font-size: 1.2rem;
    }

    .chat-messages {
        padding: 16px;
        gap: 12px;
    }

    .message-avatar {
        width: 36px;
        height: 36px;
        font-size: 0.9rem;
    }

    .message-username {
        font-size: 0.95rem;
    }

    .message-time {
        font-size: 0.8rem;
    }

    .message-text {
        padding: 10px 14px;
        font-size: 0.95rem;
    }

    /* Chat input */
    .chat-input {
        padding: 12px;
        gap: 8px;
    }

    .chat-input textarea {
        font-size: 16px; /* Prevent zoom on iOS */
        padding: 10px 14px;
        border-radius: 20px;
    }

    .icon-btn {
        width: 42px;
        height: 42px;
        font-size: 1.2rem;
    }

    /* Emoji picker */
    .emoji-picker {
        bottom: 70px;
        right: 15px;
        left: 15px;
        max-width: none;
        padding: 16px;
    }

    .emoji {
        font-size: 1.6rem;
        padding: 6px;
    }

    /* Screamer button - make more prominent on mobile */
    #screamerBtn {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    /* Video status */
    .video-status {
        padding: 12px 16px;
        font-size: 0.9rem;
    }

    /* Active users badge */
    .active-users {
        font-size: 0.85rem;
        padding: 8px 16px;
    }

    /* Owner badge */
    .owner-badge {
        font-size: 0.7rem;
        padding: 3px 10px;
    }

    /* Kick button */
    .kick-btn {
        width: 26px;
        height: 26px;
        font-size: 0.9rem;
    }
}

/* Extra small screens (< 480px) */
@media (max-width: 480px) {
    .logo {
        font-size: 1.1rem;
    }

    .user-name-text {
        display: none; /* Hide username on very small screens */
    }

    .btn-text {
        display: none; /* Hide button text on very small screens */
    }

    .user-info button {
        padding: 10px;
        min-width: 40px;
    }

    .room-code-display {
        font-size: 0.9rem;
        padding: 8px 16px;
    }

    .chat-section {
        height: 60vh;
        min-height: 400px;
    }

    .message-text {
        font-size: 0.9rem;
    }

    #screamerBtn i {
        margin-right: 4px;
    }

    #screamerBtn {
        font-size: 0.8rem;
    }
}

/* Landscape mode on phones */
@media (max-height: 500px) and (orientation: landscape) {
    .room-container {
        grid-template-columns: 1fr 350px;
        height: 100vh;
    }

    .chat-section {
        height: calc(100vh - 24px);
    }

    .video-section {
        height: calc(100vh - 24px);
    }
}

/* iOS safe area support */
@supports (padding: max(0px)) {
    body {
        padding-left: max(0px, env(safe-area-inset-left));
        padding-right: max(0px, env(safe-area-inset-right));
        padding-bottom: max(0px, env(safe-area-inset-bottom));
    }

    .header {
        padding-top: max(10px, env(safe-area-inset-top));
    }
}

/* Prevent pull-to-refresh on chat */
.chat-messages {
    overscroll-behavior-y: contain;
}

/* Optimize scrolling */
.chat-messages,
.members-list,
.emoji-picker {
    -webkit-overflow-scrolling: touch;
    overflow-scrolling: touch;
}

/* Loading states for images */
img {
    loading: lazy;
}

/* Optimize font loading for mobile */
@media (max-width: 768px) {
    body {
        font-size: 14px;
        line-height: 1.5;
    }

    h1 {
        font-size: 1.75rem;
    }

    h2 {
        font-size: 1.5rem;
    }

    h3 {
        font-size: 1.25rem;
    }
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
    }
}

/* Touch gestures optimization */
.chat-messages,
.video-player {
    touch-action: pan-y;
}

/* Better tap targets */
.member-item,
.chat-message,
button,
a {
    touch-action: manipulation;
}

/* Optimize video placeholder for mobile */
@media (max-width: 768px) {
    .video-placeholder {
        font-size: 1rem;
    }

    .video-placeholder-icon {
        font-size: 3rem;
        margin-bottom: 15px;
    }
}

/* Mobile-friendly forms */
@media (max-width: 768px) {
    input,
    textarea,
    select {
        font-size: 16px !important; /* Prevent zoom on iOS */
        border-radius: 12px;
    }

    button {
        font-size: 16px;
    }
}

/* PWA specific styles */
@media (display-mode: standalone) {
    .header {
        padding-top: 20px;
    }

    body {
        padding-bottom: 20px;
    }
}

/* Optimize for notched devices (iPhone X+) */
@media (max-width: 768px) {
    .header {
        padding-left: max(15px, env(safe-area-inset-left));
        padding-right: max(15px, env(safe-area-inset-right));
    }

    .chat-input {
        padding-left: max(12px, env(safe-area-inset-left));
        padding-right: max(12px, env(safe-area-inset-right));
        padding-bottom: max(12px, env(safe-area-inset-bottom));
    }
}