/**
 * CODDB Chat System - Chat Input and Controls
 * Handles chat input area, file uploads, emoji picker, and buttons
 */

/* ================================
   CHAT INPUT AREA
   ================================ */

.coddb-chat-input {
    display: flex;
    align-items: flex-end;
    gap: var(--space-sm);
    padding: var(--space-md);
    border-top: 1px solid var(--border-color);
    background: 
        linear-gradient(135deg, 
            rgba(26, 26, 26, 0.9) 0%, 
            rgba(10, 10, 10, 0.95) 100%);
    flex-shrink: 0;
    min-height: auto;
    position: relative;
}

.coddb-chat-input::before {
    content: '';
    position: absolute;
    top: 0;
    left: var(--space-md);
    right: var(--space-md);
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 105, 0, 0.5) 50%, 
        transparent 100%);
}

.coddb-chat-input-actions {
    display: flex;
    gap: var(--space-xs, 4px);
    align-items: center;
}

.coddb-chat-input-action {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color, #333);
    color: var(--text-secondary, #888);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--tactical-transition-fast, 0.2s);
}

.coddb-chat-input-action:hover {
    background: var(--color-primary, #ff6900);
    border-color: var(--color-primary, #ff6900);
    color: var(--bg-dark, #000);
}

.coddb-chat-file-upload {
    position: relative;
}

.coddb-chat-file-input {
    display: none;
}

.coddb-chat-file-label {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--tactical-transition-fast);
}

.coddb-chat-file-label:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--bg-dark);
}

.coddb-chat-input-field {
    flex: 1 1 auto;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid var(--border-color, #333);
    border-radius: var(--border-radius, 4px);
    padding: var(--space-sm, 8px) var(--space-md, 16px);
    color: var(--text-primary, #fff);
    font-family: var(--font-primary, Arial, sans-serif);
    font-size: var(--font-size-sm, 14px);
    line-height: 1.4;
    resize: none;
    min-height: 36px;
    max-height: 70px;
    transition: all var(--tactical-transition-fast, 0.2s);
    min-width: 0; /* Allow flex shrinking */
}

.coddb-chat-input-field:focus {
    background: rgba(26, 26, 26, 0.9);
    box-shadow: 
        0 0 0 2px var(--primary-glow, rgba(255, 105, 0, 0.5)),
        inset 0 0 10px rgba(255, 105, 0, 0.1);
}

.coddb-chat-input-field::placeholder {
    color: var(--text-secondary, #888);
    opacity: 0.7;
}

.coddb-chat-btn {
    padding: var(--space-sm) var(--space-md);
    background: var(--color-primary);
    border: 1px solid var(--color-primary);
    border-radius: var(--border-radius);
    color: var(--bg-dark);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--tactical-transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    min-height: 36px;
}

.coddb-chat-btn:hover {
    background: var(--text-accent);
    border-color: var(--text-accent);
    box-shadow: 0 0 10px var(--primary-glow);
    transform: scale(1.02);
}

.coddb-chat-btn:active {
    transform: scale(0.98);
    box-shadow: 
        0 0 15px var(--primary-glow),
        inset 0 2px 5px rgba(0, 0, 0, 0.3);
}

.coddb-chat-btn.secondary {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--border-color);
    color: var(--text-primary);
}

.coddb-chat-btn.secondary:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--bg-dark);
}

/* ================================
   EMOJI PICKER
   ================================ */

.coddb-chat-emoji-picker {
    position: absolute;
    bottom: 80px;
    left: 60px;
    background: var(--bg-medium);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: var(--space-md);
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: var(--space-xs);
    box-shadow: var(--tactical-shadow);
    z-index: 1000;
}

.coddb-chat-emoji {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    cursor: pointer;
    border-radius: var(--border-radius);
    transition: all var(--tactical-transition-fast);
    font-size: 1.2rem;
}

.coddb-chat-emoji:hover {
    background: rgba(255, 105, 0, 0.2);
    transform: scale(1.2);
}

/* ================================
   CHAT INPUT AREA - UPDATED LAYOUT
   ================================ */

.coddb-chat-input-area {
    display: flex !important;
    flex-direction: column !important;
    align-items: stretch !important;
    gap: 8px !important; /* var(--space-sm, 8px) fallback */
    padding: 16px !important; /* var(--space-md, 16px) fallback */
    border-top: 1px solid #333 !important; /* var(--border-color, #333) fallback */
    background: linear-gradient(135deg, 
        rgba(26, 26, 26, 0.9) 0%, 
        rgba(10, 10, 10, 0.95) 100%) !important;
    flex-shrink: 0 !important;
    min-height: 60px !important; /* Prevent collapse */
    position: relative !important;
    width: 100% !important; /* Ensure full width */
    box-sizing: border-box !important;
}

.coddb-chat-input-area::before {
    content: '';
    position: absolute;
    top: 0;
    left: 16px; /* var(--space-md, 16px) fallback */
    right: 16px; /* var(--space-md, 16px) fallback */
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 105, 0, 0.5) 50%, 
        transparent 100%);
}

.coddb-chat-input-controls {
    display: flex !important;
    align-items: flex-end !important;
    gap: 8px !important; /* var(--space-sm, 8px) fallback */
    width: 100% !important;
    min-height: 40px !important; /* Prevent collapse */
    box-sizing: border-box !important;
}

.coddb-chat-input-wrapper {
    flex: 1 1 auto !important;
    display: flex !important;
    align-items: flex-end !important;
    gap: 8px !important; /* var(--space-sm, 8px) fallback */
    background: rgba(255, 255, 255, 0.05) !important;
    border: 1px solid #333 !important; /* var(--border-color, #333) fallback */
    border-radius: 4px !important; /* var(--border-radius, 4px) fallback */
    padding: 8px !important; /* var(--space-sm, 8px) fallback */
    transition: border-color 0.3s, box-shadow 0.3s;
    min-height: 36px !important; /* Prevent collapse */
    min-width: 100px !important; /* Allow flex shrinking but prevent total collapse */
    box-sizing: border-box !important;
}

.coddb-chat-input-wrapper:focus-within {
    border-color: #ff6900 !important; /* var(--chat-primary, #ff6900) fallback */
    box-shadow: 0 0 0 2px rgba(255, 105, 0, 0.2);
}

.coddb-chat-input {
    flex: 1 1 auto !important;
    background: transparent !important;
    border: none !important;
    color: #fff !important; /* var(--text-primary, #fff) fallback */
    font-family: Arial, sans-serif !important; /* var(--font-family-ui, Arial, sans-serif) fallback */
    font-size: 16px !important; /* var(--font-size-base, 16px) fallback */
    line-height: 1.5 !important;
    resize: none !important;
    outline: none !important;
    min-height: 36px !important;
    max-height: 70px !important;
    overflow-y: auto !important;
    padding: 4px !important; /* var(--space-xs, 4px) fallback */
    border-radius: 2px !important; /* var(--border-radius-sm, 2px) fallback */
    min-width: 100px !important; /* Prevent total collapse */
    box-sizing: border-box !important;
}

.coddb-chat-input::placeholder {
    color: #888 !important; /* var(--text-muted, #888) fallback */
    opacity: 0.7;
}

.coddb-chat-input-actions {
    display: flex;
    gap: var(--space-xs, 4px);
    align-items: center;
    flex-shrink: 0; /* Don't shrink action buttons */
}

/* ================================
   BACKWARDS COMPATIBILITY & FIXES
   ================================ */

/* Legacy layout support - ensure old structure works */
.coddb-chat-input {
    display: flex !important;
    align-items: flex-end !important;
    gap: 8px !important; /* Fallback for var(--space-sm) */
    padding: 16px !important; /* Fallback for var(--space-md) */
    border-top: 1px solid #333 !important; /* Fallback for var(--border-color) */
    background: linear-gradient(135deg, 
        rgba(26, 26, 26, 0.9) 0%, 
        rgba(10, 10, 10, 0.95) 100%) !important;
    flex-shrink: 0 !important;
    min-height: 70px !important; /* Ensure minimum height */
    position: relative !important;
    width: 100% !important;
}

/* Ensure input field works in old structure */
#chat-input-field,
.coddb-chat-input-field {
    flex: 1 1 auto !important;
    background: rgba(26, 26, 26, 0.8) !important;
    border: 1px solid #333 !important; /* Fallback for var(--border-color) */
    border-radius: 4px !important; /* Fallback for var(--border-radius) */
    padding: 8px 16px !important; /* Fallback for spacing variables */
    color: #fff !important; /* Fallback for var(--text-primary) */
    font-family: Arial, sans-serif !important; /* Fallback for var(--font-primary) */
    font-size: 14px !important; /* Fallback for var(--font-size-sm) */
    line-height: 1.4 !important;
    resize: none !important;
    min-height: 36px !important;
    max-height: 70px !important;
    transition: all 0.2s !important; /* Fallback for var(--tactical-transition-fast) */
    min-width: 100px !important; /* Prevent collapse */
}

/* Ensure buttons work in old structure */
.coddb-chat-btn {
    padding: 8px 16px !important; /* Fallback for spacing variables */
    background: #ff6900 !important; /* Fallback for var(--color-primary) */
    border: 1px solid #ff6900 !important;
    border-radius: 4px !important; /* Fallback for var(--border-radius) */
    color: #000 !important; /* Fallback for var(--bg-dark) */
    font-weight: 600 !important;
    cursor: pointer !important;
    transition: all 0.2s !important;
    display: flex !important;
    align-items: center !important;
    gap: 4px !important; /* Fallback for var(--space-xs) */
    font-family: Arial, sans-serif !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    min-height: 36px !important;
}

/* Ensure actions container works */
.coddb-chat-input-actions {
    display: flex !important;
    gap: 4px !important; /* Fallback for var(--space-xs) */
    align-items: center !important;
    flex-shrink: 0 !important; /* Don't shrink action buttons */
}

/* Force layout recalculation fix */
.coddb-chat-input,
.coddb-chat-input-area,
.coddb-chat-input-controls,
.coddb-chat-input-wrapper {
    box-sizing: border-box !important;
}

/* Emergency CSS for collapsed elements */
.coddb-chat-input[style*="height: 0"],
.coddb-chat-input-area[style*="height: 0"],
.coddb-chat-input-controls[style*="height: 0"] {
    height: auto !important;
    min-height: 60px !important;
    display: flex !important;
}

/* ================================
   FILE PREVIEW AREA
   ================================ */

.coddb-chat-file-preview-area {
    background: rgba(26, 26, 26, 0.9);
    border: 1px solid var(--border-color, #333);
    border-radius: var(--border-radius, 4px);
    margin-bottom: var(--space-sm, 8px);
    overflow: hidden;
}

.coddb-chat-file-preview-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm, 8px) var(--space-md, 16px);
    background: rgba(0, 0, 0, 0.3);
    border-bottom: 1px solid var(--border-color, #333);
}

.coddb-chat-file-preview-title {
    color: var(--text-secondary, #888);
    font-size: var(--font-size-sm, 14px);
    font-weight: 500;
}

.coddb-chat-file-preview-clear {
    background: none;
    border: none;
    color: var(--text-secondary, #888);
    cursor: pointer;
    font-size: var(--font-size-md, 16px);
    padding: var(--space-xs, 4px);
    border-radius: 50%;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--tactical-transition-fast, 0.2s);
}

.coddb-chat-file-preview-clear:hover {
    background: rgba(255, 0, 0, 0.2);
    color: #ff4444;
}

.coddb-chat-file-preview-list {
    padding: var(--space-sm, 8px);
    max-height: 200px;
    overflow-y: auto;
}

.coddb-chat-file-preview-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm, 8px);
    padding: var(--space-sm, 8px);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color, #333);
    border-radius: var(--border-radius, 4px);
    margin-bottom: var(--space-xs, 4px);
    transition: all var(--tactical-transition-fast, 0.2s);
}

.coddb-chat-file-preview-item:last-child {
    margin-bottom: 0;
}

.coddb-chat-file-preview-item:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-primary, #ff6900);
}

.coddb-chat-file-preview-icon {
    font-size: 24px;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 105, 0, 0.1);
    border-radius: var(--border-radius, 4px);
}

.coddb-chat-file-preview-info {
    flex: 1;
    min-width: 0;
}

.coddb-chat-file-preview-name {
    color: var(--text-primary, #fff);
    font-weight: 500;
    font-size: var(--font-size-sm, 14px);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.coddb-chat-file-preview-size {
    color: var(--text-secondary, #888);
    font-size: var(--font-size-xs, 12px);
    margin-top: 2px;
}

.coddb-chat-file-preview-remove {
    background: none;
    border: none;
    color: var(--text-secondary, #888);
    cursor: pointer;
    font-size: var(--font-size-sm, 14px);
    padding: var(--space-xs, 4px);
    border-radius: 50%;
    width: 20px;
    height: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--tactical-transition-fast, 0.2s);
    flex-shrink: 0;
}

.coddb-chat-file-preview-remove:hover {
    background: rgba(255, 0, 0, 0.2);
    color: #ff4444;
}

/* ================================
   DRAG AND DROP STYLES
   ================================ */

.coddb-chat-input-drag-over {
    background: rgba(255, 105, 0, 0.1) !important;
    border-color: var(--color-primary, #ff6900) !important;
    box-shadow: 0 0 0 2px rgba(255, 105, 0, 0.3) !important;
}

.coddb-chat-input-drag-over::before {
    content: '📎 Drop files here to attach';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 105, 0, 0.9);
    color: #fff;
    padding: var(--space-sm, 8px) var(--space-md, 16px);
    border-radius: var(--border-radius, 4px);
    font-size: var(--font-size-sm, 14px);
    font-weight: 600;
    z-index: 1000;
    pointer-events: none;
    white-space: nowrap;
}

/* ================================
   RESPONSIVE FILE PREVIEW
   ================================ */

@media (max-width: 768px) {
    .coddb-chat-file-preview-list {
        max-height: 150px;
    }
    
    .coddb-chat-file-preview-item {
        padding: var(--space-xs, 4px) var(--space-sm, 8px);
    }
    
    .coddb-chat-file-preview-icon {
        font-size: 20px;
        width: 28px;
        height: 28px;
    }
    
    .coddb-chat-file-preview-name {
        font-size: var(--font-size-xs, 12px);
    }
}

/* ================================
   CHAT LOGIN PROMPT FOR GUESTS
   ================================ */

.coddb-chat-login-prompt {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg, 24px) var(--space-md, 16px);
    border-top: 1px solid var(--border-color, #333);
    background: 
        linear-gradient(135deg, 
            rgba(26, 26, 26, 0.9) 0%, 
            rgba(10, 10, 10, 0.95) 100%);
    min-height: 120px;
    position: relative;
}

.coddb-chat-login-prompt::before {
    content: '';
    position: absolute;
    top: 0;
    left: var(--space-md, 16px);
    right: var(--space-md, 16px);
    height: 1px;
    background: linear-gradient(90deg, 
        transparent 0%, 
        rgba(255, 105, 0, 0.3) 50%, 
        transparent 100%);
    opacity: 0.6;
}

.coddb-chat-login-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    max-width: 400px;
    width: 100%;
}

.coddb-chat-login-icon {
    font-size: 48px;
    margin-bottom: var(--space-md, 16px);
    opacity: 0.8;
    animation: pulse 2s ease-in-out infinite;
}

.coddb-chat-login-title {
    color: var(--text-primary, #fff);
    font-size: var(--font-size-lg, 18px);
    font-weight: 600;
    margin: 0 0 var(--space-sm, 8px) 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.coddb-chat-login-description {
    color: var(--text-secondary, #888);
    font-size: var(--font-size-sm, 14px);
    line-height: 1.5;
    margin: 0 0 var(--space-lg, 24px) 0;
}

.coddb-chat-login-actions {
    display: flex;
    gap: var(--space-md, 16px);
    margin-bottom: var(--space-md, 16px);
    flex-wrap: wrap;
    justify-content: center;
}

.coddb-chat-btn-primary {
    background: linear-gradient(135deg, 
        var(--color-primary, #ff6900) 0%, 
        rgba(255, 105, 0, 0.8) 100%);
    border: 1px solid var(--color-primary, #ff6900);
    color: var(--bg-dark, #000);
    box-shadow: 
        0 0 10px rgba(255, 105, 0, 0.3),
        inset 0 0 10px rgba(255, 255, 255, 0.1);
}

.coddb-chat-btn-primary:hover {
    background: linear-gradient(135deg, 
        rgba(255, 105, 0, 0.9) 0%, 
        var(--color-primary, #ff6900) 100%);
    box-shadow: 
        0 0 15px rgba(255, 105, 0, 0.5),
        inset 0 0 15px rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.coddb-chat-btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid var(--border-color, #333);
    color: var(--text-primary, #fff);
    box-shadow: inset 0 0 10px rgba(255, 255, 255, 0.1);
}

.coddb-chat-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: var(--color-primary, #ff6900);
    box-shadow: 
        0 0 10px rgba(255, 105, 0, 0.2),
        inset 0 0 15px rgba(255, 255, 255, 0.2);
    transform: translateY(-2px);
}

.coddb-chat-login-note {
    color: var(--text-secondary, #888);
    font-size: var(--font-size-xs, 12px);
    margin: 0;
}

.coddb-chat-login-link {
    color: var(--color-primary, #ff6900);
    text-decoration: none;
    font-weight: 500;
    transition: all var(--tactical-transition-fast, 0.2s);
}

.coddb-chat-login-link:hover {
    color: rgba(255, 105, 0, 0.8);
    text-decoration: underline;
}

/* Responsive adjustments for login prompt */
@media (max-width: 768px) {
    .coddb-chat-login-prompt {
        padding: var(--space-md, 16px) var(--space-sm, 8px);
        min-height: 100px;
    }
    
    .coddb-chat-login-icon {
        font-size: 36px;
        margin-bottom: var(--space-sm, 8px);
    }
    
    .coddb-chat-login-title {
        font-size: var(--font-size-md, 16px);
    }
    
    .coddb-chat-login-actions {
        flex-direction: column;
        gap: var(--space-sm, 8px);
    }
    
    .coddb-chat-btn {
        width: 100%;
        min-width: 120px;
    }
}

/* Animation for login icon */
@keyframes pulse {
    0%, 100% {
        opacity: 0.8;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
}