/**
 * SpiritBox Ultimate - Z Flip 5 Cover Screen Optimization
 * =======================================================
 * Specialized CSS for Samsung Galaxy Z Flip 5 Flex Window (1:1 aspect ratio)
 * Uses 100svh for proper keyboard handling
 */

/* ============================================================================
   Z FLIP 5 COVER SCREEN DETECTION
   Media query targets the Flex Window's ~1:1 aspect ratio
   ============================================================================ */
@media (max-width: 760px) and (min-aspect-ratio: 9/10) and (max-aspect-ratio: 10/9) {
    /* ========================================================================
       ZERO-HEADER MODE
       Hide all navigation - only chat stream and input visible
       ======================================================================== */
    .spirit-gradient-navbar,
    #SpiritBoxNavbar,
    .ultimate-sidebar,
    .ultimate-header,
    .navbar,
    .chat-header,
    .spirit-selector-container,
    .guide-selector {
        display: none !important;
    }
    
    /* Remove all margins/padding from body */
    body {
        padding-top: 0 !important;
        margin: 0 !important;
        overflow: hidden;
    }
    
    /* ========================================================================
       DYNAMIC CHAT HEIGHT
       Use 100svh (Small Viewport Height) for keyboard management
       ======================================================================== */
    .chat-container,
    .spirit-theme .chat-container,
    .ultimate-chat-container {
        height: 100svh !important;
        max-height: 100svh !important;
        margin: 0 !important;
        padding: 0 !important;
        border-radius: 0 !important;
        border: none !important;
        display: flex !important;
        flex-direction: column !important;
    }
    
    /* Main content area */
    .ultimate-main,
    .container,
    main {
        margin: 0 !important;
        padding: 0 !important;
        height: 100svh !important;
        max-height: 100svh !important;
    }
    
    /* ========================================================================
       COMPACT CHAT MESSAGES
       40% reduced margins and padding for maximum content density
       ======================================================================== */
    .chat-messages,
    .spirit-theme .chat-messages,
    #chatMessages {
        flex: 1 !important;
        overflow-y: auto !important;
        -webkit-overflow-scrolling: touch;
        padding: 8px !important;
        scroll-behavior: smooth;
    }
    
    /* Compact Bubbles */
    .message,
    .spirit-theme .message,
    .message-group .message {
        margin: 4px 0 !important;
        padding: 8px 12px !important;
        font-size: 14px !important;
        line-height: 1.4 !important;
        max-width: 95% !important;
        border-radius: 12px !important;
    }
    
    /* Hide avatars in cover mode - just show names */
    .message-avatar,
    .spirit-spiritbox,
    .avatar {
        display: none !important;
    }
    
    /* Compact message groups */
    .message-group {
        margin-bottom: 8px !important;
        max-width: 100% !important;
    }
    
    /* Smaller timestamps */
    .message-timestamp,
    .message-time {
        font-size: 10px !important;
        margin-top: 2px !important;
    }
    
    /* ========================================================================
       ULTRA-LEAN INPUT
       Single line that expands to max 3 lines
       ======================================================================== */
    .chat-footer,
    .spirit-theme .chat-footer,
    .input-container {
        padding: 8px !important;
        background: var(--ultimate-bg-deep, #0f172a) !important;
        border-top: 1px solid var(--ultimate-border, rgba(124, 58, 237, 0.2)) !important;
        display: flex !important;
        align-items: flex-end !important;
        gap: 8px !important;
        flex-shrink: 0 !important;
    }
    
    .message-input,
    #messageInput,
    textarea.message-input {
        flex: 1 !important;
        min-height: 36px !important;
        max-height: 72px !important; /* ~3 lines */
        padding: 8px 12px !important;
        font-size: 14px !important;
        border-radius: 18px !important;
        resize: none !important;
        overflow-y: auto !important;
        line-height: 1.4 !important;
    }
    
    /* Remove labels and extra padding */
    .input-label,
    .input-hint,
    .character-count {
        display: none !important;
    }
    
    /* ========================================================================
       VOICE-FIRST SHORTCUT
       Prominent microphone button for STT
       ======================================================================== */
    #micButton,
    .mic-button,
    .stt-trigger {
        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
        border-radius: 50% !important;
        background: linear-gradient(135deg, #7c3aed 0%, #5b21b6 100%) !important;
        color: white !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 1.2rem !important;
        flex-shrink: 0 !important;
        box-shadow: 0 0 20px rgba(124, 58, 237, 0.5) !important;
        border: none !important;
    }
    
    #micButton:active,
    .mic-button:active {
        transform: scale(0.95) !important;
    }
    
    #micButton.recording,
    .mic-button.recording {
        background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%) !important;
        animation: pulse-recording 1s infinite !important;
    }
    
    @keyframes pulse-recording {
        0%, 100% { box-shadow: 0 0 20px rgba(239, 68, 68, 0.5); }
        50% { box-shadow: 0 0 30px rgba(239, 68, 68, 0.8); }
    }
    
    /* Send button compact */
    #sendButton,
    .send-button,
    button[type="submit"] {
        width: 44px !important;
        height: 44px !important;
        min-width: 44px !important;
        border-radius: 50% !important;
        padding: 0 !important;
    }
    
    /* ========================================================================
       VANISH HEADER ON SCROLL
       Tiny header that slides away when scrolling down
       ======================================================================== */
    .cover-header,
    .ultimate-cover-header {
        position: fixed !important;
        top: 0 !important;
        left: 0 !important;
        right: 0 !important;
        height: 28px !important;
        background: rgba(15, 23, 42, 0.95) !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
        font-size: 11px !important;
        color: #64748b !important;
        z-index: 50 !important;
        transform: translateY(0) !important;
        transition: transform 0.2s ease !important;
    }
    
    .cover-header.hidden,
    .ultimate-cover-header.hidden {
        transform: translateY(-100%) !important;
    }
    
    /* Add top padding to messages when header visible */
    .chat-messages.with-header {
        padding-top: 36px !important;
    }
    
    /* ========================================================================
       SWIPE DOWN STATUS BAR
       Battery/VRAM status revealed on swipe
       ======================================================================== */
    .cover-status-bar {
        position: fixed;
        top: -60px;
        left: 0;
        right: 0;
        height: 60px;
        background: var(--ultimate-bg-deep, #0f172a);
        border-bottom: 1px solid var(--ultimate-border, rgba(124, 58, 237, 0.2));
        display: flex;
        align-items: center;
        justify-content: space-around;
        padding: 0 16px;
        font-size: 12px;
        color: #94a3b8;
        z-index: 100;
        transition: transform 0.3s ease;
    }
    
    .cover-status-bar.visible {
        transform: translateY(60px);
    }
    
    .cover-status-item {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    
    .cover-status-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
    }
    
    .cover-status-dot.green { background: #10b981; }
    .cover-status-dot.yellow { background: #f59e0b; }
    .cover-status-dot.red { background: #ef4444; }
    
    /* ========================================================================
       TYPING INDICATOR - COMPACT
       ======================================================================== */
    .typing-indicator,
    .spirit-theme .typing-indicator {
        padding: 8px 12px !important;
        margin: 4px 8px !important;
        font-size: 12px !important;
        border-radius: 12px !important;
    }
    
    .typing-dot {
        width: 6px !important;
        height: 6px !important;
        margin: 0 2px !important;
    }
    
    /* ========================================================================
       ACTIVITY BUBBLES - COMPACT
       ======================================================================== */
    .ultimate-activity-bubble {
        padding: 8px 12px !important;
        font-size: 12px !important;
        border-radius: 8px !important;
        margin-bottom: 8px !important;
    }
    
    .ultimate-activity-icon {
        width: 28px !important;
        height: 28px !important;
        font-size: 0.8rem !important;
    }
    
    /* ========================================================================
       HITL MODAL - FULL SCREEN ON COVER
       ======================================================================== */
    .ultimate-hitl-modal {
        padding: 8px !important;
    }
    
    .ultimate-hitl-content {
        width: 100% !important;
        max-width: 100% !important;
        border-radius: 12px !important;
        padding: 16px !important;
    }
    
    .ultimate-hitl-header {
        margin-bottom: 12px !important;
    }
    
    .ultimate-hitl-icon {
        width: 40px !important;
        height: 40px !important;
    }
    
    .ultimate-hitl-title {
        font-size: 1rem !important;
    }
    
    .ultimate-hitl-input {
        padding: 10px 12px !important;
        font-size: 14px !important;
    }
}

/* ============================================================================
   GENERAL MOBILE RESPONSIVE (Non-Cover)
   For regular mobile view (not 1:1 aspect ratio)
   ============================================================================ */
@media (max-width: 768px) {
    /* Use 100svh for keyboard-aware height */
    .chat-container,
    .spirit-theme .chat-container,
    #chat-messages-wrapper {
        height: 100svh !important;
        max-height: 100svh !important;
        border-radius: 0;
    }
    
    .message {
        max-width: 85%;
    }
    
    .message-avatar {
        width: 40px;
        height: 40px;
    }
    
    /* Hide timestamps in mobile view for cleaner UI */
    .message-timestamp,
    .message-time,
    .message-meta time {
        display: none !important;
    }
    
    /* Hide thinking indicators in mobile - just show spinner */
    .thinking-hint,
    .typing-text,
    #typing-indicator .thinking-hint {
        display: none !important;
    }
    
    /* Compact typing indicator */
    #typing-indicator {
        padding: 8px !important;
    }
    
    /* Reduce extra padding on mobile */
    .message-group {
        margin-bottom: 8px !important;
    }
    
    .message-bubble {
        padding: 10px 14px !important;
    }
    
    /* Hide audio controls on mobile to save space */
    .enhanced-audio-controls {
        display: none !important;
    }
}

/* ============================================================================
   KEYBOARD OPEN STATE
   Additional adjustments when virtual keyboard is active
   ============================================================================ */
@media (max-height: 400px) {
    .chat-messages {
        max-height: calc(100svh - 60px) !important;
    }
    
    .cover-header,
    .ultimate-cover-header {
        display: none !important;
    }
    
    /* Even more compact when keyboard is open */
    .message {
        padding: 6px 10px !important;
        font-size: 13px !important;
    }
}

/* ============================================================================
   VISUAL VIEWPORT API SUPPORT
   Ensures input stays visible when keyboard opens on mobile
   ============================================================================ */
@supports (height: 100dvh) {
    @media (max-width: 768px) {
        .chat-container,
        .spirit-theme .chat-container,
        .ultimate-chat-container {
            height: 100dvh !important;
            max-height: 100dvh !important;
        }
        
        /* Input container stays at bottom of visual viewport */
        .chat-footer,
        .spirit-theme .chat-footer,
        .input-container {
            position: sticky !important;
            bottom: 0 !important;
            z-index: 100 !important;
        }
    }
}

/* ============================================================================
   Z FLIP 5 COVER - KEYBOARD GUARD
   Prevent input from being pushed off-screen when keyboard opens
   ============================================================================ */
@media (max-width: 760px) and (min-aspect-ratio: 9/10) and (max-aspect-ratio: 10/9) {
    /* Use dvh (dynamic viewport height) when available for keyboard handling */
    @supports (height: 100dvh) {
        .chat-container,
        .spirit-theme .chat-container,
        .ultimate-chat-container {
            height: 100dvh !important;
            max-height: 100dvh !important;
        }
        
        .ultimate-main,
        .container,
        main {
            height: 100dvh !important;
            max-height: 100dvh !important;
        }
    }
    
    /* Ensure input container is always visible */
    .chat-footer,
    .spirit-theme .chat-footer,
    .input-container {
        position: sticky !important;
        bottom: 0 !important;
        z-index: 100 !important;
        background: var(--ultimate-bg-deep, #0f172a) !important;
    }
    
    /* Scroll messages container to show latest when keyboard opens */
    .chat-messages,
    #chatMessages {
        scroll-padding-bottom: 80px !important;
    }
}