/* ==============================================
   DocuBot Chat Layout - Split-Screen Copilot
   FASE 4 - Chatbot RAG
   ============================================== */

/* ============================================
   App Container - Split Screen Layout
   ============================================ */
.app-container {
    display: flex;
    height: calc(100vh - var(--navbar-height, 60px));
    position: relative;
    overflow: hidden;
}

.app-container .main-content {
    flex: 1;
    overflow: auto;
    transition: margin-right 0.3s ease;
}

/* When chat is open, main content adjusts */
.app-container[data-chat-open="true"] .main-content {
    margin-right: 0;
}

/* ============================================
   Chat Panel - Lateral (Fixed Height Layout)
   ============================================ */
.chat-panel {
    width: 0;
    min-width: 0;
    overflow: hidden;
    transition: width 0.3s ease;
    border-left: 2px solid var(--primary-color);
    display: flex;
    flex-direction: column;
    /* Distinctive background for chat panel */
    background: linear-gradient(
        180deg,
        var(--bg-primary) 0%,
        color-mix(in srgb, var(--primary-color) 3%, var(--bg-secondary)) 100%
    );
    position: relative;
    z-index: var(--z-dropdown);
    /* Critical: fixed height for liquid layout */
    height: 100%;
    max-height: 100%;
    box-shadow: -4px 0 12px rgba(0, 0, 0, 0.08);
}

.app-container[data-chat-open="true"] .chat-panel {
    width: var(--chat-width, 380px);
    min-width: 280px;
    max-width: 600px;
}

/* Disable transition while resizing */
.chat-panel.resizing {
    transition: none;
}

/* ============================================
   Chat Resize Handle
   ============================================ */
.chat-resize-handle {
    position: absolute;
    left: -4px;
    top: 0;
    bottom: 0;
    width: 8px;
    cursor: ew-resize;
    z-index: var(--z-sticky);
    background: transparent;
    transition: background 0.2s;
}

.chat-resize-handle:hover,
.chat-resize-handle.active {
    background: var(--primary-color);
    opacity: 0.3;
}

.chat-resize-handle::before {
    content: "";
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 4px;
    height: 40px;
    background: var(--border-color);
    border-radius: 2px;
    opacity: 0;
    transition: opacity 0.2s;
}

.chat-resize-handle:hover::before {
    opacity: 1;
}

/* ============================================
   Chat Header
   ============================================ */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-3) var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(
        90deg,
        color-mix(in srgb, var(--primary-color) 8%, var(--bg-primary)) 0%,
        var(--bg-primary) 100%
    );
    flex-shrink: 0;
    transition: background 0.3s ease, border-color 0.3s ease;
}

/* Mode-specific header backgrounds */
.chat-header:has(.mode-selector--mode-developer) {
    background: linear-gradient(
        90deg,
        color-mix(in srgb, var(--color-success-500, #22c55e) 15%, var(--bg-primary)) 0%,
        var(--bg-primary) 100%
    );
    border-bottom-color: color-mix(in srgb, var(--color-success-500, #22c55e) 30%, var(--border-color));
}

.chat-header:has(.mode-selector--mode-worker) {
    background: linear-gradient(
        90deg,
        color-mix(in srgb, var(--color-info-500, #3b82f6) 15%, var(--bg-primary)) 0%,
        var(--bg-primary) 100%
    );
    border-bottom-color: color-mix(in srgb, var(--color-info-500, #3b82f6) 30%, var(--border-color));
}

.chat-header:has(.mode-selector--mode-xml) {
    background: linear-gradient(
        90deg,
        color-mix(in srgb, var(--color-warning-500, #f59e0b) 15%, var(--bg-primary)) 0%,
        var(--bg-primary) 100%
    );
    border-bottom-color: color-mix(in srgb, var(--color-warning-500, #f59e0b) 30%, var(--border-color));
}

.chat-header:has(.mode-selector--mode-catastral) {
    background: linear-gradient(
        90deg,
        color-mix(in srgb, var(--color-purple-500, #a855f7) 15%, var(--bg-primary)) 0%,
        var(--bg-primary) 100%
    );
    border-bottom-color: color-mix(in srgb, var(--color-purple-500, #a855f7) 30%, var(--border-color));
}

.chat-header h3 {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.chat-header h3 .icon {
    width: 24px;
    height: 24px;
    color: var(--primary-color);
}

.btn-close-chat {
    background: none;
    border: none;
    padding: var(--spacing-1) var(--spacing-2);
    cursor: pointer;
    color: var(--text-secondary);
    font-size: var(--font-size-xl);
    line-height: 1;
    border-radius: var(--radius-sm);
    transition: var(--transition-normal);
}

.btn-close-chat:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* ============================================
   Chat Messages Area
   ============================================ */
.chat-messages {
    flex: 1;
    min-height: 0; /* Critical for flex scroll */
    overflow-y: auto;
    padding: var(--spacing-4);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-3);
    background: var(--bg-primary);
}

.chat-message {
    max-width: 90%;
    padding: var(--spacing-2-5) var(--spacing-3-5);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    word-wrap: break-word;
}

.chat-message.user {
    align-self: flex-end;
    /* Use design token colors for user bubble */
    background: linear-gradient(
        135deg,
        var(--color-primary-100) 0%,
        var(--color-primary-200) 100%
    );
    color: var(--text-primary);
    border-bottom-right-radius: 4px;
    border: 1px solid var(--color-primary-200);
    box-shadow: 0 1px 3px rgba(var(--primary-rgb), 0.15);
}

.chat-message.assistant {
    align-self: flex-start;
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

/* AI Model Indicator - FASE 12 */
.ai-model-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    font-size: var(--font-size-xs);
    color: var(--text-tertiary);
    background: var(--bg-secondary);
    padding: var(--spacing-0-5) var(--spacing-1-5);
    border-radius: var(--radius-sm);
    margin-bottom: var(--spacing-1-5);
    cursor: help;
    transition: var(--transition-normal);
    border: 1px solid var(--border-color);
}

.ai-model-indicator:hover {
    background: var(--bg-primary);
    color: var(--text-secondary);
}

.ai-indicator-icon {
    width: 12px;
    height: 12px;
    opacity: 0.7;
}

.ai-model-indicator:hover .ai-indicator-icon {
    opacity: 1;
}

.ai-model-name {
    font-weight: 500;
    letter-spacing: 0.02em;
}

.ai-thinking-icon {
    width: 10px;
    height: 10px;
    color: var(--color-warning-500, #f59e0b);
    animation: sparkle 1.5s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.2); }
}

/* Thinking mode indicator has a special style */
.ai-model-indicator:has(.ai-thinking-icon) {
    border-color: var(--color-warning-200, #fcd34d);
    background: color-mix(in srgb, var(--color-warning-100, #fef3c7) 30%, var(--bg-secondary));
}

.chat-message.system,
.chat-message--system {
    align-self: center;
    background: transparent;
    color: var(--text-tertiary);
    font-size: var(--font-size-sm);
    padding: var(--spacing-2);
}

.chat-message-content--system {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    background: color-mix(in srgb, var(--color-primary-100) 20%, transparent);
    border: 1px solid var(--border-secondary);
    border-radius: var(--radius-md);
    padding: var(--spacing-2) var(--spacing-3);
}

.system-message-icon {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.system-message-icon svg {
    width: 100%;
    height: 100%;
    stroke: var(--color-primary-500);
}

.system-message-text {
    color: var(--text-secondary);
}

/* Interactive links in chat */
.chat-action-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1);
    color: var(--color-primary-600);
    background: var(--color-primary-50);
    padding: var(--spacing-0-5) var(--spacing-2);
    border-radius: var(--radius-sm);
    text-decoration: none;
    cursor: pointer;
    font-weight: 500;
    font-size: var(--font-size-sm);
    transition: var(--transition-normal);
    border: 1px solid var(--color-primary-200);
}

.chat-action-link:hover {
    background: var(--color-primary-100);
    color: var(--text-primary);
    transform: translateY(-1px);
    box-shadow: 0 2px 4px rgba(var(--primary-rgb), 0.2);
}

.chat-action-link:active {
    transform: translateY(0);
}

/* Link icon (optional, added via CSS) */
.chat-action-link::before {
    content: "";
    width: 12px;
    height: 12px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%232577AD' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M13.5 6H5.25A2.25 2.25 0 003 8.25v10.5A2.25 2.25 0 005.25 21h10.5A2.25 2.25 0 0018 18.75V10.5m-10.5 6L21 3m0 0h-5.25M21 3v5.25'/%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
}

/* Typing indicator */
.chat-typing {
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
    padding: var(--spacing-2-5) var(--spacing-3-5);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    align-self: flex-start;
    border-bottom-left-radius: var(--radius-sm);
}

.chat-typing span {
    width: var(--spacing-2);
    height: var(--spacing-2);
    background: var(--text-tertiary);
    border-radius: var(--radius-full);
    animation: typing 1.4s infinite ease-in-out both;
}

.chat-typing span:nth-child(1) { animation-delay: -0.32s; }
.chat-typing span:nth-child(2) { animation-delay: -0.16s; }
.chat-typing span:nth-child(3) { animation-delay: 0s; }

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.4;
    }
    40% {
        transform: scale(1);
        opacity: 1;
    }
}

/* Thinking indicator (for complex analysis like template generation) */
.chat-thinking {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-4);
    background: linear-gradient(135deg, var(--color-primary-50) 0%, var(--bg-tertiary) 100%);
    border: 1px solid var(--color-primary-200);
    border-radius: var(--radius-lg);
    align-self: flex-start;
    max-width: 90%;
    animation: thinking-pulse 2s ease-in-out infinite;
}

.chat-thinking .thinking-icon {
    font-size: 24px;
    animation: thinking-brain 1.5s ease-in-out infinite;
}

.chat-thinking .thinking-text {
    flex: 1;
}

.chat-thinking .thinking-title {
    font-weight: 600;
    color: var(--text-primary);
    font-size: var(--font-size-sm);
}

.chat-thinking .thinking-subtitle {
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    margin-top: var(--spacing-0-5);
}

.chat-thinking .thinking-progress {
    width: 100%;
    height: 3px;
    background: var(--color-primary-100);
    border-radius: var(--radius-sm);
    margin-top: var(--spacing-2);
    overflow: hidden;
}

.chat-thinking .thinking-bar {
    height: 100%;
    width: 30%;
    background: linear-gradient(90deg, var(--primary-color), var(--color-primary-400));
    border-radius: 2px;
    animation: thinking-progress 1.5s ease-in-out infinite;
}

@keyframes thinking-pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(var(--primary-color-rgb, 79, 70, 229), 0.2);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(var(--primary-color-rgb, 79, 70, 229), 0);
    }
}

@keyframes thinking-brain {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.1);
    }
}

@keyframes thinking-progress {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(400%);
    }
}

/* Welcome message */
.chat-welcome {
    text-align: center;
    padding: var(--spacing-6) var(--spacing-4);
    color: var(--text-secondary);
}

.chat-welcome .icon {
    width: 48px;
    height: 48px;
    color: var(--primary-color);
    margin-bottom: var(--spacing-3);
}

.chat-welcome h4 {
    margin: 0 0 var(--spacing-2);
    color: var(--text-primary);
    font-weight: 600;
}

.chat-welcome p {
    margin: 0 0 var(--spacing-4);
    font-size: var(--font-size-sm);
}

.chat-welcome ul {
    list-style: none;
    padding: 0;
    margin: 0;
    text-align: left;
    font-size: var(--font-size-sm);
}

.chat-welcome li {
    padding: var(--spacing-1) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
}

.chat-welcome li::before {
    content: "";
    width: var(--spacing-1-5);
    height: var(--spacing-1-5);
    background: var(--primary-color);
    border-radius: var(--radius-full);
    flex-shrink: 0;
}

/* ============================================
   Chat Input Area
   ============================================ */
.chat-input {
    display: flex;
    align-items: flex-end;
    gap: var(--spacing-2-5);
    padding: var(--spacing-3) var(--spacing-4) var(--spacing-4);
    border-top: 1px solid var(--border-color);
    /* Distinctive background for input area */
    background: linear-gradient(
        180deg,
        var(--bg-primary) 0%,
        color-mix(in srgb, var(--primary-color) 5%, var(--bg-secondary)) 100%
    );
    flex-shrink: 0;
}

.chat-input-wrapper {
    flex: 1;
    display: flex;
    align-items: flex-end;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    /* White/light background to contrast with surrounding area */
    background: var(--bg-primary);
    transition: var(--transition-normal);
    overflow: hidden;
    box-shadow: var(--shadow-xs);
    position: relative;
}

.chat-input-wrapper:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(var(--primary-rgb, 59, 130, 246), 0.15),
                0 1px 3px rgba(0, 0, 0, 0.08);
}

.chat-input textarea {
    flex: 1;
    resize: none;
    border: none;
    padding: var(--spacing-2-5) var(--spacing-3) var(--spacing-2-5) 42px; /* Extra left padding for upload button */
    font-size: var(--font-size-sm);
    font-family: inherit;
    background: transparent;
    color: var(--text-primary);
    min-height: 44px;
    max-height: 120px;
    line-height: 1.4;
}

.chat-input textarea:focus {
    outline: none;
}

.chat-input textarea::placeholder {
    color: var(--text-tertiary);
}

.chat-input .btn-send {
    width: 44px;
    height: 44px;
    padding: 0;
    background: var(--primary-color);
    color: var(--text-inverse);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    flex-shrink: 0;
}

.chat-input .btn-send:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: scale(1.05);
}

.chat-input .btn-send:active:not(:disabled) {
    transform: scale(0.95);
}

.chat-input .btn-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.chat-input .btn-send .icon {
    width: 20px;
    height: 20px;
}

/* ============================================
   Floating Action Button (FAB)
   ============================================ */
.chat-fab {
    position: fixed;
    bottom: var(--spacing-6);
    right: var(--spacing-6);
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: var(--primary-color);
    color: var(--text-inverse);
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-slow);
    z-index: var(--z-fixed);
}

.chat-fab:hover {
    background: var(--primary-hover);
    transform: scale(1.05);
    box-shadow: var(--shadow-xl);
}

.chat-fab .icon {
    width: 28px;
    height: 28px;
}

/* Hide FAB when chat is open */
.app-container[data-chat-open="true"] .chat-fab {
    transform: scale(0);
    opacity: 0;
    pointer-events: none;
}

/* FAB notification badge */
.chat-fab-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    width: var(--spacing-5);
    height: var(--spacing-5);
    background: var(--error-color);
    color: var(--text-inverse);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ============================================
   Chat Unavailable State
   ============================================ */
.chat-unavailable {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-6);
    text-align: center;
    color: var(--text-secondary);
}

.chat-unavailable .icon {
    width: 48px;
    height: 48px;
    color: var(--warning-color);
    margin-bottom: var(--spacing-4);
}

.chat-unavailable h4 {
    margin: 0 0 var(--spacing-2);
    color: var(--text-primary);
}

.chat-unavailable p {
    margin: 0;
    font-size: 0.9rem;
}

/* ============================================
   Responsive - Mobile
   ============================================ */
@media (max-width: 768px) {
    /* Chat panel goes full screen on mobile */
    .app-container[data-chat-open="true"] .chat-panel {
        position: fixed;
        inset: 0;
        top: var(--navbar-height, 60px);
        width: 100%;
        z-index: var(--z-fixed);
    }

    .chat-fab {
        bottom: 16px;
        right: 16px;
        width: 52px;
        height: 52px;
    }

    .chat-fab .icon {
        width: 24px;
        height: 24px;
    }
}

/* ============================================
   Keyboard shortcut hint
   ============================================ */
.chat-shortcut-hint {
    position: absolute;
    bottom: 100%;
    right: 0;
    padding: 4px 8px;
    background: var(--bg-tertiary);
    color: var(--text-secondary);
    font-size: 0.7rem;
    border-radius: 4px;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(4px);
    transition: all 0.2s;
    pointer-events: none;
}

.chat-fab:hover .chat-shortcut-hint {
    opacity: 1;
    transform: translateY(-8px);
}

/* ============================================
   Command Autocomplete
   ============================================ */
.chat-autocomplete {
    position: relative;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    margin: 0 16px 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    max-height: 200px;
    overflow-y: auto;
}

.autocomplete-item {
    display: flex;
    flex-direction: column;
    padding: 10px 14px;
    cursor: pointer;
    border-bottom: 1px solid var(--border-color);
    transition: background 0.15s;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
    background: color-mix(in srgb, var(--primary-color) 10%, var(--bg-primary));
}

.autocomplete-item .cmd-name {
    font-family: var(--font-mono);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--primary-color);
}

.autocomplete-item .cmd-desc {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 2px;
}

/* Code in chat messages */
.chat-message code {
    background: color-mix(in srgb, var(--primary-color) 15%, var(--bg-primary));
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.85em;
}

.chat-message.user code {
    background: rgba(var(--primary-rgb), 0.2);
    color: var(--text-primary);
}

/* ============================================
   Progress Bar for Long Operations
   ============================================ */
.chat-progress {
    padding: 16px !important;
}

.chat-progress .progress-header {
    margin-bottom: 12px;
}

.chat-progress .progress-bar-container {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.chat-progress .progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--primary-hover));
    border-radius: 4px;
    transition: width 0.3s ease;
}

.chat-progress .progress-bar.complete {
    background: linear-gradient(90deg, var(--success-color), var(--color-success-600));
}

.chat-progress .progress-bar.error {
    background: linear-gradient(90deg, var(--error-color), var(--color-error-600));
}

.chat-progress .progress-status {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.chat-progress .progress-details {
    font-size: 0.85rem;
    color: var(--text-primary);
    line-height: 1.5;
}

.chat-progress .progress-details .error {
    color: var(--error-color);
}

/* ============================================
   SPA Router - Loading State
   ============================================ */
.spa-loader {
    position: fixed;
    top: var(--navbar-height, 60px);
    left: 0;
    right: 0;
    height: 3px;
    z-index: var(--z-toast);
    pointer-events: none;
    opacity: 0;
    transition: opacity 0.2s;
}

.spa-loader.active {
    opacity: 1;
}

.spa-loader-bar {
    height: 100%;
    background: linear-gradient(
        90deg,
        var(--primary-color) 0%,
        var(--primary-hover, #2563eb) 50%,
        var(--primary-color) 100%
    );
    background-size: 200% 100%;
    animation: spa-loader-progress 1.5s ease-in-out infinite;
}

@keyframes spa-loader-progress {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

/* Main content loading state */
.main-content.spa-loading {
    opacity: 0.6;
    pointer-events: none;
    transition: opacity 0.15s;
}

/* Prevent content flash during navigation */
.main-content {
    min-height: calc(100vh - var(--navbar-height, 60px));
}

/* ============================================
   File Upload in Chat
   ============================================ */

/* Upload button - Inside input wrapper */
.chat-upload-btn {
    position: absolute;
    left: 6px;
    bottom: 8px;
    width: 28px;
    height: 28px;
    padding: 0;
    background: transparent;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.15s;
    flex-shrink: 0;
    z-index: var(--z-base);
}

.chat-upload-btn:hover {
    transform: scale(1.15);
}

.chat-upload-btn:active {
    transform: scale(0.95);
}

.chat-upload-btn svg {
    width: 22px;
    height: 22px;
}

/* SVG styling - circle with fill, plus sign */
.chat-upload-btn svg circle {
    fill: var(--color-primary-50);
    stroke: var(--primary-color);
    stroke-width: 1.5;
}

.chat-upload-btn svg line {
    stroke: var(--primary-color);
    stroke-width: 2;
    stroke-linecap: round;
}

.chat-upload-btn:hover svg circle {
    fill: var(--primary-color);
}

.chat-upload-btn:hover svg line {
    stroke: var(--text-inverse);
}

/* Thinking mode toggle button */
.chat-thinking-toggle {
    position: relative;
    width: 32px;
    height: 32px;
    padding: 0;
    margin-right: 4px;
    margin-bottom: 6px; /* Center vertically with 44px send button (44-32)/2 = 6 */
    background: transparent;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.chat-thinking-toggle svg {
    width: 18px;
    height: 18px;
    stroke: var(--text-tertiary);
    transition: all 0.2s ease;
}

.chat-thinking-toggle:hover {
    border-color: var(--color-warning-400, #facc15);
    background: color-mix(in srgb, var(--color-warning-100, #fef9c3) 30%, transparent);
}

.chat-thinking-toggle:hover svg {
    stroke: var(--color-warning-500, #eab308);
}

.chat-thinking-toggle.active {
    background: var(--color-warning-100, #fef9c3);
    border-color: var(--color-warning-400, #facc15);
}

.chat-thinking-toggle.active svg {
    stroke: var(--color-warning-600, #ca8a04);
    fill: var(--color-warning-200, #fef08a);
}

/* Pulsing animation when active */
.chat-thinking-toggle.active::after {
    content: '';
    position: absolute;
    inset: -3px;
    border-radius: var(--radius-md);
    border: 2px solid var(--color-warning-400, #facc15);
    animation: thinking-pulse 2s ease-in-out infinite;
    pointer-events: none;
}

@keyframes thinking-pulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 0.6; transform: scale(1.05); }
}

/* Locked state - when mode requires thinking and it cannot be disabled */
.chat-thinking-toggle.locked {
    cursor: not-allowed;
    opacity: 0.8;
}

.chat-thinking-toggle.locked.active {
    background: var(--color-warning-100, #fef9c3);
    border-color: var(--color-warning-500, #eab308);
}

.chat-thinking-toggle.locked.active svg {
    stroke: var(--color-warning-600, #ca8a04);
    fill: var(--color-warning-300, #fde047);
}

.chat-thinking-toggle.locked::before {
    content: '';
    position: absolute;
    top: 2px;
    right: 2px;
    width: 6px;
    height: 6px;
    background: var(--color-warning-600, #ca8a04);
    border-radius: 50%;
}

/* Files list container */
.chat-files-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-color);
    background: color-mix(in srgb, var(--primary-color) 5%, var(--bg-primary));
}

/* File chip - compact pill with icon and name */
.chat-file-chip {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    max-width: 200px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
    /* Force size constraints for all children */
    overflow: hidden;
}

.chat-file-chip .file-icon {
    flex-shrink: 0;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Ensure SVG icons in file chips are properly sized */
.chat-file-chip .file-icon svg {
    width: 16px;
    height: 16px;
    color: var(--text-secondary);
}

/* Loading placeholder for icons */
.chat-file-chip .file-icon [data-icon-loading] {
    width: 16px;
    height: 16px;
}

.chat-file-chip .file-name {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
}

.chat-file-chip .file-status {
    flex-shrink: 0;
    color: var(--success-color);
    font-size: 0.9em;
}

.chat-file-chip .file-status.warn {
    color: var(--warning-color);
}

.chat-file-chip .file-status.converted {
    color: var(--info-color, #2563eb);
    font-weight: 600;
}

/* Converted from DOC indicator */
.chat-file-chip.converted {
    border-color: var(--info-color, #2563eb);
    border-style: dashed;
}

.chat-file-chip .file-remove {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    padding: 0;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    line-height: 1;
    color: var(--text-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
}

.chat-file-chip .file-remove:hover {
    background: var(--error-color);
    color: var(--text-inverse);
}

/* Drag over state */
.chat-messages.drag-over {
    background: color-mix(in srgb, var(--primary-color) 8%, var(--bg-primary));
    border: 2px dashed var(--primary-color);
    margin: -2px;
}

.chat-messages.drag-over::after {
    content: "Suelta el archivo aqui";
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--surface-overlay);
    color: var(--text-primary);
    font-size: 1.1rem;
    font-weight: 500;
    pointer-events: none;
    backdrop-filter: blur(2px);
}

/* Limited mode hint */
.chat-limited .chat-hint {
    font-size: 0.85rem;
    margin-top: 8px;
    color: var(--text-tertiary);
}

.chat-limited .chat-hint code {
    background: color-mix(in srgb, var(--primary-color) 15%, var(--bg-primary));
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
}

/* ============================================
   Corpus Document Modal (DocuBot references)
   ============================================ */

/* Corpus document link in chat messages */
.chat-corpus-link {
    color: var(--primary-color);
    cursor: pointer;
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
}

.chat-corpus-link:hover {
    color: var(--primary-hover);
    text-decoration-style: solid;
}

/* User document link in chat messages */
.chat-user-doc-link {
    color: var(--success-color, #10b981);
    cursor: pointer;
    text-decoration: underline;
    text-decoration-style: dotted;
    text-underline-offset: 2px;
}

.chat-user-doc-link:hover {
    color: var(--success-hover, #059669);
    text-decoration-style: solid;
}

.chat-user-doc-link::before {
    content: '📄 ';
    font-size: 0.9em;
}

/* User doc content in modal */
.user-doc-content {
    white-space: pre-wrap;
    font-family: inherit;
}

.user-doc-truncated-notice {
    background: var(--warning-bg, #fef3c7);
    color: var(--warning-text, #92400e);
    padding: 8px 12px;
    border-radius: 4px;
    margin-bottom: 16px;
    font-size: 0.9rem;
}

/* Corpus document modal content */
.corpus-doc-content {
    max-height: 70vh;
    overflow-y: auto;
    padding: 20px;
    font-size: 0.95rem;
    line-height: 1.7;
    color: var(--text-primary);
}

.corpus-doc-content h1 {
    font-size: 1.6rem;
    margin: 0 0 16px 0;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-color);
    color: var(--text-primary);
}

.corpus-doc-content h2 {
    font-size: 1.3rem;
    margin: 24px 0 12px 0;
    color: var(--text-primary);
}

.corpus-doc-content h3 {
    font-size: 1.1rem;
    margin: 20px 0 10px 0;
    color: var(--text-secondary);
}

.corpus-doc-content p {
    margin: 12px 0;
}

.corpus-doc-content code {
    background: color-mix(in srgb, var(--primary-color) 10%, var(--bg-secondary));
    padding: 2px 6px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.9em;
}

.corpus-doc-content pre {
    background: var(--bg-tertiary);
    padding: 16px;
    border-radius: 8px;
    overflow-x: auto;
    margin: 16px 0;
}

.corpus-doc-content pre code {
    background: none;
    padding: 0;
}

.corpus-doc-content ul,
.corpus-doc-content ol {
    margin: 12px 0;
    padding-left: 24px;
}

.corpus-doc-content li {
    margin: 6px 0;
}

.corpus-doc-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 16px 0;
}

.corpus-doc-content th,
.corpus-doc-content td {
    padding: 10px 12px;
    border: 1px solid var(--border-color);
    text-align: left;
}

.corpus-doc-content th {
    background: var(--bg-secondary);
    font-weight: 600;
}

.corpus-doc-content blockquote {
    border-left: 4px solid var(--primary-color);
    margin: 16px 0;
    padding: 12px 16px;
    background: color-mix(in srgb, var(--primary-color) 5%, var(--bg-secondary));
    color: var(--text-secondary);
}

.corpus-doc-content strong {
    font-weight: 600;
    color: var(--text-primary);
}

.corpus-doc-content em {
    font-style: italic;
}

/* Organization document file info */
.org-doc-file-info {
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
}

.org-doc-file-info p {
    margin: 8px 0;
}

.org-doc-file-info strong {
    color: var(--text-primary);
}

.org-doc-file-info .btn {
    margin: 16px 0 8px 0;
    display: inline-flex;
}

.org-doc-hint {
    margin-top: 16px !important;
    padding: 12px;
    background: color-mix(in srgb, var(--primary-color) 10%, var(--bg-primary));
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* ============================================
   Document Viewer Modal Styles
   ============================================ */

/* Loading state */
.doc-viewer-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 48px 24px;
    color: var(--text-secondary);
}

.doc-viewer-loading .spinner {
    width: 32px;
    height: 32px;
    margin-bottom: 16px;
}

/* Error state */
.doc-viewer-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 24px;
    text-align: center;
    color: var(--error-color, #ef4444);
}

.doc-viewer-error .error-icon {
    font-size: 2.5rem;
    margin-bottom: 12px;
}

/* File info display */
.doc-viewer-file-info {
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    margin-bottom: 16px;
}

.doc-viewer-file-info .file-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 12px;
}

.doc-viewer-file-info .file-icon {
    font-size: 2.5rem;
    line-height: 1;
}

.doc-viewer-file-info .file-details {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.doc-viewer-file-info .file-name {
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--text-primary);
    word-break: break-word;
}

.doc-viewer-file-info .file-meta {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.doc-viewer-file-info .file-description {
    margin: 12px 0;
    padding: 12px;
    background: var(--bg-primary);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.doc-viewer-file-info .file-actions {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

.doc-viewer-file-info .file-hint {
    margin-top: 16px;
    padding: 12px;
    background: color-mix(in srgb, var(--primary-color) 8%, var(--bg-primary));
    border-left: 3px solid var(--primary-color);
    border-radius: 4px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Content preview section */
.doc-viewer-content-preview {
    margin-top: 16px;
}

.doc-viewer-content-preview h4 {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.doc-viewer-content-preview .content-text {
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: 8px;
    max-height: 400px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
}

.doc-viewer-content-preview .truncated-notice {
    padding: 8px 12px;
    background: color-mix(in srgb, var(--warning-color, #f59e0b) 15%, var(--bg-secondary));
    border-radius: 6px;
    color: var(--warning-color, #f59e0b);
    font-size: 0.85rem;
    margin-bottom: 12px;
}

/* No preview available */
.doc-viewer-no-preview {
    padding: 24px;
    text-align: center;
    color: var(--text-secondary);
    background: var(--bg-secondary);
    border-radius: 8px;
}

.doc-viewer-no-preview p {
    margin: 8px 0;
}

/* Empty state */
.doc-viewer-empty {
    padding: 32px;
    text-align: center;
    color: var(--text-tertiary);
}

/* Document viewer content wrapper */
.doc-viewer-content {
    padding: 16px;
    line-height: 1.6;
}

/* ============================================
   DocuBot Generated Content Blocks
   (Templates and Paragraphs)
   ============================================ */

/* Base styles for both template and paragraph blocks */
.docubot-template-block,
.docubot-paragraph-block {
    margin: 12px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* Template block - blue/primary theme */
.docubot-template-block {
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--primary-color) 8%, var(--bg-primary)) 0%,
        color-mix(in srgb, var(--primary-color) 15%, var(--bg-primary)) 100%
    );
    border: 1px solid color-mix(in srgb, var(--primary-color) 30%, var(--border-color));
}

/* Paragraph block - green/success theme */
.docubot-paragraph-block {
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--success-color) 8%, var(--bg-primary)) 0%,
        color-mix(in srgb, var(--success-color) 15%, var(--bg-primary)) 100%
    );
    border: 1px solid color-mix(in srgb, var(--success-color) 30%, var(--border-color));
}

/* Block header */
.docubot-block-header {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.docubot-template-block .docubot-block-header {
    background: color-mix(in srgb, var(--primary-color) 15%, var(--bg-secondary));
    color: var(--primary-color);
    border-bottom: 1px solid color-mix(in srgb, var(--primary-color) 20%, var(--border-color));
}

.docubot-paragraph-block .docubot-block-header {
    background: color-mix(in srgb, var(--success-color) 15%, var(--bg-secondary));
    color: var(--success-color);
    border-bottom: 1px solid color-mix(in srgb, var(--success-color) 20%, var(--border-color));
}

/* Block icon */
.docubot-block-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.docubot-block-icon svg {
    width: 14px;
    height: 14px;
}

/* Block content - preformatted text */
.docubot-block-content {
    margin: 0;
    padding: 12px 14px;
    font-family: var(--font-mono, monospace);
    font-size: 0.85rem;
    line-height: 1.6;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: var(--text-primary);
    background: transparent;
    overflow-x: auto;
}

/* Ensure proper text color in dark mode */
.docubot-template-block .docubot-block-content,
.docubot-paragraph-block .docubot-block-content {
    color: var(--text-primary);
}

/* ============================================
   Code Blocks in Chat Messages
   (XML, template, paragraph)
   ============================================ */

/* Base styles for all code blocks */
.chat-code-block {
    margin: 12px 0;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    font-family: var(--font-mono, 'Fira Code', 'Monaco', 'Consolas', monospace);
}

/* Code block header - compact style */
.code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4px 10px;
    font-size: 0.7rem;
    font-weight: 500;
    letter-spacing: 0.3px;
}

.code-block-label {
    display: flex;
    align-items: center;
    gap: 6px;
}

/* Icon in code block label - slightly larger for visibility */
.code-block-label svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* Action buttons container */
.code-block-actions {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Copy and download buttons - compact icon buttons */
.code-copy-btn,
.code-download-btn {
    padding: 3px;
    background: transparent;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    opacity: 0.5;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.15s;
    color: inherit;
}

.code-copy-btn:hover,
.code-download-btn:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

/* SVG icons in buttons - compact size */
.code-copy-btn svg,
.code-download-btn svg {
    width: 14px;
    height: 14px;
}

/* Download button specific - green tint on hover */
.code-download-btn:hover {
    background: rgba(34, 197, 94, 0.12);
    color: var(--success-color, #22c55e);
}

/* Expand/Collapse button - compact */
.code-expand-btn {
    padding: 3px 6px;
    background: transparent;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    opacity: 0.6;
    display: flex;
    align-items: center;
    gap: 3px;
    transition: all 0.15s;
    color: inherit;
    font-size: 0.65rem;
    font-weight: 500;
}

.code-expand-btn:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

.code-expand-btn svg {
    width: 12px;
    height: 12px;
}

.code-expand-btn .line-count {
    opacity: 0.7;
}

/* Show/hide icons based on collapsed state */
.chat-code-block.collapsed .code-expand-btn .collapse-icon {
    display: none;
}

.chat-code-block:not(.collapsed) .code-expand-btn .expand-icon {
    display: none;
}

/* Copy button feedback */
.code-copy-btn.copied {
    opacity: 1;
    color: var(--success-color, #22c55e);
}

/* Collapsed state - max height with fade */
.chat-code-block.collapsed pre {
    max-height: 280px;
    overflow: hidden;
    position: relative;
}

.chat-code-block.collapsed pre::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 60px;
    background: linear-gradient(transparent, var(--bg-secondary));
    pointer-events: none;
}

/* Code block content - compact padding */
.chat-code-block pre {
    margin: 0;
    padding: 10px 12px;
    font-size: 0.8rem;
    line-height: 1.5;
    overflow-x: auto;
    background: transparent;
}

.chat-code-block code {
    font-family: inherit;
    background: none;
    padding: 0;
    color: inherit;
}

/* Template block - blue/primary theme */
.chat-code-template {
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--primary-color) 8%, var(--bg-primary)) 0%,
        color-mix(in srgb, var(--primary-color) 15%, var(--bg-primary)) 100%
    );
    border: 1px solid color-mix(in srgb, var(--primary-color) 30%, var(--border-color));
}

.chat-code-template .code-block-header {
    background: color-mix(in srgb, var(--primary-color) 15%, var(--bg-secondary));
    color: var(--primary-color);
    border-bottom: 1px solid color-mix(in srgb, var(--primary-color) 20%, var(--border-color));
}

/* Icon added via JS using getInlineSVG */

/* Paragraph block - green/success theme */
.chat-code-paragraph {
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--success-color) 8%, var(--bg-primary)) 0%,
        color-mix(in srgb, var(--success-color) 15%, var(--bg-primary)) 100%
    );
    border: 1px solid color-mix(in srgb, var(--success-color) 30%, var(--border-color));
}

.chat-code-paragraph .code-block-header {
    background: color-mix(in srgb, var(--success-color) 15%, var(--bg-secondary));
    color: var(--success-color);
    border-bottom: 1px solid color-mix(in srgb, var(--success-color) 20%, var(--border-color));
}

/* Icon added via JS using getInlineSVG */

/* XML block - clean minimal theme */
.chat-code-xml {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.chat-code-xml .code-block-header {
    background: var(--surface-tertiary, var(--bg-tertiary));
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 6px 10px;
}

/* XML icon in header - distinctive styling */
.chat-code-xml .code-block-label svg {
    width: 20px;
    height: 20px;
    color: var(--color-info-500, #6366f1);
}

/* XML Syntax Highlighting */
.chat-code-xml .xml-declaration {
    color: var(--color-info-600, #4f46e5);
    font-style: italic;
}

.chat-code-xml .xml-comment {
    color: var(--text-tertiary);
    font-style: italic;
}

.chat-code-xml .xml-cdata {
    color: var(--color-warning-600, #ca8a04);
}

.chat-code-xml .xml-bracket {
    color: var(--text-secondary);
    font-weight: 500;
}

.chat-code-xml .xml-tag {
    color: var(--color-primary-600, #4f46e5);
    font-weight: 600;
}

.chat-code-xml .xml-attr-name {
    color: var(--color-success-600, #059669);
}

.chat-code-xml .xml-equals {
    color: var(--text-tertiary);
}

.chat-code-xml .xml-attr-value {
    color: var(--color-warning-600, #ca8a04);
}


/* ============================================
   Catastro Description Block - CATASTRAL Mode
   ============================================ */

.chat-code-catastro {
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--color-purple-500, #a855f7) 8%, var(--bg-primary)) 0%,
        color-mix(in srgb, var(--color-purple-500, #a855f7) 15%, var(--bg-primary)) 100%
    );
    border: 1px solid color-mix(in srgb, var(--color-purple-500, #a855f7) 30%, var(--border-color));
    border-radius: var(--radius-md, 0.5rem);
    margin: var(--spacing-3) 0;
}

.chat-code-catastro .code-block-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: color-mix(in srgb, var(--color-purple-500, #a855f7) 15%, var(--bg-secondary));
    color: var(--color-purple-700, #7c3aed);
    border-bottom: 1px solid color-mix(in srgb, var(--color-purple-500, #a855f7) 25%, var(--border-color));
    padding: 8px 12px;
    border-radius: var(--radius-md, 0.5rem) var(--radius-md, 0.5rem) 0 0;
}

.chat-code-catastro .code-block-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.875rem;
}

.chat-code-catastro .code-block-label svg {
    width: 20px;
    height: 20px;
    color: var(--color-purple-600, #9333ea);
}

.chat-code-catastro .catastro-label {
    color: var(--color-purple-700, #7c3aed);
}

.chat-code-catastro .code-block-actions {
    display: flex;
    gap: 4px;
}

.chat-code-catastro .code-block-actions button {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    padding: 0;
    border: none;
    border-radius: var(--radius-sm, 0.25rem);
    background: transparent;
    color: var(--color-purple-600, #9333ea);
    cursor: pointer;
    transition: all 0.15s ease;
}

.chat-code-catastro .code-block-actions button:hover {
    background: color-mix(in srgb, var(--color-purple-500, #a855f7) 20%, transparent);
}

.chat-code-catastro .code-block-actions button svg {
    width: 16px;
    height: 16px;
}

.chat-code-catastro .code-block-actions button.copied {
    color: var(--color-success-500, #22c55e);
}

.chat-code-catastro pre.catastro-content {
    margin: 0;
    padding: 12px 16px;
    background: transparent;
    border: none;
    white-space: pre-wrap;
    word-wrap: break-word;
    font-family: var(--font-family-base, system-ui, sans-serif);
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--text-primary);
}

.chat-code-catastro pre.catastro-content code {
    font-family: inherit;
    background: none;
    padding: 0;
}

/* Dark mode adjustments for catastro block */
[data-theme="dark"] .chat-code-catastro {
    background: linear-gradient(
        135deg,
        color-mix(in srgb, var(--color-purple-500, #a855f7) 10%, var(--bg-secondary)) 0%,
        color-mix(in srgb, var(--color-purple-500, #a855f7) 18%, var(--bg-secondary)) 100%
    );
}

[data-theme="dark"] .chat-code-catastro .code-block-header {
    background: color-mix(in srgb, var(--color-purple-500, #a855f7) 18%, var(--bg-tertiary));
    color: var(--color-purple-300, #c4b5fd);
}

[data-theme="dark"] .chat-code-catastro .code-block-label svg {
    color: var(--color-purple-400, #a78bfa);
}

[data-theme="dark"] .chat-code-catastro .catastro-label {
    color: var(--color-purple-300, #c4b5fd);
}

[data-theme="dark"] .chat-code-catastro .code-block-actions button {
    color: var(--color-purple-400, #a78bfa);
}


/* ============================================
   Mode Selector - FASE 17
   ============================================ */

.mode-selector {
    position: relative;
    display: inline-flex;
    align-items: center;
    margin-right: 4px;
    margin-bottom: 6px; /* Center vertically with 44px send button (44-32)/2 = 6 */
}

.mode-selector__trigger {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-md);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.mode-selector__trigger:hover {
    background: var(--surface-tertiary, #f3f4f6);
    border-color: var(--primary-color, #6366f1);
}

.mode-selector__trigger--open {
    background: var(--surface-tertiary, #f3f4f6);
    border-color: var(--primary-color, #6366f1);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--primary-color) 20%, transparent);
}

.mode-selector__trigger .mode-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

/* SVG icons in mode selector need explicit sizing (font-size doesn't work for SVG) */
.mode-selector__trigger .mode-icon svg {
    width: 18px;
    height: 18px;
    stroke: currentColor;
}

.mode-selector__trigger .thinking-indicator {
    font-size: 0.75rem;
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--surface-primary, #fff);
    border-radius: 50%;
    padding: 2px;
}

/* Active flow indicator */
.mode-selector__trigger--active-flow {
    border-color: var(--color-warning-500, #f59e0b);
    animation: mode-pulse 2s ease-in-out infinite;
}

@keyframes mode-pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 color-mix(in srgb, var(--color-warning-500) 40%, transparent);
    }
    50% {
        box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-warning-500) 20%, transparent);
    }
}

/* Mode-specific trigger colors */
.mode-selector__trigger--developer {
    border-color: var(--color-success-400, #4ade80);
    background: color-mix(in srgb, var(--color-success-500) 10%, var(--surface-secondary));
}

.mode-selector__trigger--worker {
    border-color: var(--color-info-400, #60a5fa);
    background: color-mix(in srgb, var(--color-info-500) 10%, var(--surface-secondary));
}

.mode-selector__trigger--xml {
    border-color: var(--color-warning-400, #facc15);
    background: color-mix(in srgb, var(--color-warning-500) 10%, var(--surface-secondary));
}

/* Dropdown Menu - opens UPWARD since selector is at bottom of chat */
.mode-selector__menu {
    position: absolute;
    bottom: calc(100% + var(--spacing-1, 0.25rem));
    left: 0;
    min-width: 200px;
    /* Solid white background with explicit fallback - NOT transparent */
    background-color: #ffffff;
    background: var(--surface-primary, var(--bg-primary, #ffffff));
    border: 1px solid var(--border-primary, #e5e7eb);
    border-radius: var(--radius-md, 0.375rem);
    box-shadow: 0 -4px 16px rgba(0, 0, 0, 0.15), 0 -2px 4px rgba(0, 0, 0, 0.08);
    z-index: 9999;
    overflow: hidden;
}

.mode-selector__option {
    display: flex;
    align-items: center;
    gap: var(--spacing-2, 0.5rem);
    width: 100%;
    padding: var(--spacing-2, 0.5rem) var(--spacing-3, 0.75rem);
    border: none;
    /* Inherit solid background from parent menu */
    background: inherit;
    color: var(--text-primary, #1f2937);
    cursor: pointer;
    text-align: left;
    font-size: 0.875rem;
    transition: background 0.15s ease;
}

.mode-selector__option:hover:not(:disabled) {
    background: var(--surface-tertiary, #f3f4f6);
}

.mode-selector__option--active {
    background: color-mix(in srgb, var(--primary-color) 10%, var(--surface-primary));
    color: var(--primary-color, #6366f1);
    font-weight: 500;
}

.mode-selector__option--disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.mode-option__icon {
    font-size: 1.125rem;
    width: 24px;
    text-align: center;
}

.mode-option__label {
    flex: 1;
}

.mode-option__thinking {
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Mode indicator in messages */
.chat-mode-indicator {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-1, 0.25rem);
    padding: var(--spacing-1, 0.25rem) var(--spacing-2, 0.5rem);
    background: var(--surface-tertiary, #f3f4f6);
    border-radius: var(--radius-sm, 0.25rem);
    font-size: 0.75rem;
    color: var(--text-secondary, #6b7280);
    margin-bottom: var(--spacing-2, 0.5rem);
}

.chat-mode-indicator__icon {
    font-size: 0.875rem;
}

/* Phase indicator for active flows */
.chat-phase-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-2, 0.5rem);
    padding: var(--spacing-2, 0.5rem) var(--spacing-3, 0.75rem);
    background: color-mix(in srgb, var(--color-info-500) 10%, var(--surface-primary));
    border-left: 3px solid var(--color-info-500, #3b82f6);
    border-radius: var(--radius-sm, 0.25rem);
    margin-bottom: var(--spacing-3, 0.75rem);
    font-size: 0.875rem;
}

.chat-phase-indicator__step {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    background: var(--color-info-500, #3b82f6);
    color: white;
    border-radius: 50%;
    font-size: 0.75rem;
    font-weight: 600;
}

.chat-phase-indicator__text {
    color: var(--text-primary, #1f2937);
}

/* ============================================
   Mode Selector - Header Placement
   ============================================ */

.mode-selector--header {
    margin: 0;
    margin-bottom: 0;
}

.mode-selector--header .mode-selector__trigger {
    display: flex;
    align-items: center;
    gap: var(--spacing-2, 0.5rem);
    width: auto;
    height: auto;
    padding: var(--spacing-1, 0.25rem) var(--spacing-2, 0.5rem);
    border: none;
    border-radius: var(--radius-md, 0.375rem);
    background: transparent;
    color: var(--text-primary, #1f2937);
    font-size: var(--font-size-base, 1rem);
    font-weight: 600;
}

.mode-selector--header .mode-selector__trigger:hover {
    background: var(--surface-tertiary, rgba(0, 0, 0, 0.05));
}

.mode-selector--header .mode-selector__trigger--open {
    background: var(--surface-tertiary, rgba(0, 0, 0, 0.05));
}

/* DocuBot icon in header */
.mode-selector__docubot-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--primary-color, #6366f1);
}

.mode-selector__docubot-icon svg {
    width: 24px;
    height: 24px;
}

/* Mode icon next to DocuBot icon */
.mode-selector__mode-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 18px;
    height: 18px;
    padding: 2px;
    border-radius: var(--radius-sm, 0.25rem);
    background: var(--surface-tertiary, rgba(0, 0, 0, 0.05));
}

.mode-selector__mode-icon svg {
    width: 14px;
    height: 14px;
}

/* Label text */
.mode-selector__label {
    white-space: nowrap;
}

/* Thinking indicator dot */
.mode-selector__thinking-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-warning-500, #f59e0b);
    animation: thinking-pulse 1.5s ease-in-out infinite;
}

@keyframes thinking-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* Chevron */
.mode-selector__chevron {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    opacity: 0.5;
    transition: transform 0.2s ease;
}

.mode-selector__chevron svg {
    width: 14px;
    height: 14px;
}

.mode-selector--open .mode-selector__chevron {
    transform: rotate(180deg);
}

/* Header dropdown opens DOWNWARD */
.mode-selector--header .mode-selector__menu {
    top: calc(100% + var(--spacing-1, 0.25rem));
    bottom: auto;
    left: 0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15), 0 2px 4px rgba(0, 0, 0, 0.08);
}

/* Mode-specific colors for header */
.mode-selector--header.mode-selector--mode-developer .mode-selector__mode-icon {
    background: color-mix(in srgb, var(--color-success-500) 20%, transparent);
    color: var(--color-success-600, #16a34a);
}

.mode-selector--header.mode-selector--mode-worker .mode-selector__mode-icon {
    background: color-mix(in srgb, var(--color-info-500) 20%, transparent);
    color: var(--color-info-600, #2563eb);
}

.mode-selector--header.mode-selector--mode-xml .mode-selector__mode-icon {
    background: color-mix(in srgb, var(--color-warning-500) 20%, transparent);
    color: var(--color-warning-600, #ca8a04);
}

.mode-selector--header.mode-selector--mode-catastral .mode-selector__mode-icon {
    background: color-mix(in srgb, var(--primary-color) 20%, transparent);
    color: var(--primary-color, #6366f1);
}

/* Active flow indicator for header */
.mode-selector--header .mode-selector__trigger--active-flow {
    border: none;
    animation: none;
}

.mode-selector--header .mode-selector__trigger--active-flow::after {
    content: '';
    position: absolute;
    top: 50%;
    right: -8px;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-warning-500, #f59e0b);
    animation: mode-pulse 2s ease-in-out infinite;
}

/* Chat header title container */
.chat-header__title {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    margin: 0;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--text-primary);
}

.chat-header__text {
    /* Fallback text when JS hasn't loaded */
}

/* Dark mode adjustments */
[data-theme="dark"] .mode-selector__trigger {
    background: var(--surface-secondary, #1f2937);
    border-color: var(--border-primary, #374151);
}

[data-theme="dark"] .mode-selector__trigger:hover,
[data-theme="dark"] .mode-selector__trigger--open {
    background: var(--surface-tertiary, #374151);
}

[data-theme="dark"] .mode-selector__menu {
    /* Solid dark background - NOT transparent */
    background-color: #1f2937;
    background: var(--surface-secondary, var(--bg-secondary, #1f2937));
    border-color: var(--border-primary, #374151);
}

[data-theme="dark"] .mode-selector__option:hover:not(:disabled) {
    background: var(--surface-tertiary, #374151);
}

/* Dark mode for header placement */
[data-theme="dark"] .mode-selector--header .mode-selector__trigger {
    background: transparent;
    border: none;
}

[data-theme="dark"] .mode-selector--header .mode-selector__trigger:hover,
[data-theme="dark"] .mode-selector--header .mode-selector__trigger--open {
    background: var(--surface-tertiary, rgba(255, 255, 255, 0.05));
}

[data-theme="dark"] .mode-selector__mode-icon {
    background: var(--surface-tertiary, rgba(255, 255, 255, 0.1));
}