/* unified_frontend/css/components/chat.css - REPLACEMENT */

/* --- Chat Panel Content Layout --- */
/* The #chat-panel itself has no padding now; padding is applied to its children */

/* --- Chat Input Area (The main container for the input box) --- */
#chat-input-area {
    flex-shrink: 0;
    border: var(--border-width-sm) solid var(--border-medium);
    border-radius: var(--border-radius-xl);
    background-color: var(--bg-surface);
    margin: 0 var(--spacing-md) var(--spacing-md) var(--spacing-sm); /* Slightly less margin on left */
    transition: border-color 0.2s ease;

    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    padding: var(--spacing-xs) var(--spacing-sm) var(--spacing-sm);
}

#chat-input-area:focus-within {
    border-color: var(--primary-color);
}

#chat-input-area.drag-over {
    background-color: var(--secondary-bg);
    border-color: var(--primary-color);
}

/* --- The Textarea itself --- */
#chat-input {
    flex-grow: 1;
    border: none;
    resize: none;
    min-height: var(--spacing-lg);
    max-height: 40vh;
    line-height: 1.5;
    background: none;
    font-size: var(--font-size-sm);
    outline: none;
    font-family: inherit;
    color: var(--text-primary);

    order: 1; 
    width: 100%; 
    padding: var(--spacing-xs) 0;
    margin-bottom: var(--spacing-xs); 
}

#chat-input::placeholder {
    color: var(--text-placeholder);
}

/* --- Input Area Buttons --- */
#attach-file-button, #mic-button, #expand-editor-button, #send-chat-button {
    order: 2; 
}

/* --- Context Indicator Badge --- */
.context-indicator {
    order: 2;
    margin-left: auto;
    margin-right: var(--spacing-sm);
    font-size: var(--font-size-xs);
    color: var(--text-secondary);
    background-color: var(--bg-surface-alt);
    border: var(--border-width-sm) solid var(--border-light);
    border-radius: var(--border-radius-md);
    padding: 2px 8px;
    white-space: nowrap;
    max-width: 200px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: flex;
    align-items: center;
    height: 28px;
    cursor: default;
    -webkit-user-select: none;
    user-select: none;
}


/* MODIFIED: Image Preview Container for multiple items */
#chat-image-preview-container {
    display: flex; /* Allow multiple items */
    flex-wrap: wrap; /* Wrap to next line if needed */
    gap: var(--spacing-xs); /* Space between images */
    margin: 0 var(--spacing-md);
    /* Only show spacing when container has content */
}

#chat-image-preview-container:not(:empty):not(.hidden) {
    margin-bottom: var(--spacing-xs);
    padding-top: var(--spacing-xs);
}

/* Ensure hidden state has no dimensions */
#chat-image-preview-container.hidden,
#chat-image-preview-container:empty {
    display: none;
    margin: 0;
    padding: 0;
}

/* NEW: Style for each individual preview item */
.chat-image-preview-item {
    position: relative;
    width: var(--chat-preview-size); /* Smaller thumbnails */
    height: var(--chat-preview-size);
    border: var(--border-width-sm) solid var(--border-medium);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-xxs);
    background-color: var(--bg-surface-alt);
}

/* MODIFIED: Now a class instead of an ID */
.chat-image-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover; /* Ensure image fills the box nicely */
    display: block;
    border-radius: var(--border-radius-sm);
}

/* MODIFIED: Now a class instead of an ID */
.remove-image-btn {
    position: absolute;
    top: -var(--spacing-xs);
    right: -var(--spacing-xs);
    background-color: var(--text-primary);
    color: var(--text-light);
    border: none;
    border-radius: var(--border-radius-circle);
    width: var(--font-size-xl);
    height: var(--font-size-xl);
    line-height: var(--font-size-xl);
    text-align: center;
    font-weight: 500;
    cursor: pointer;
    font-size: var(--font-size-sm);
    z-index: var(--z-layer-base); /* Ensure it's on top */
}

/* --- Chat Message Area --- */
#chat-content {
    flex-grow: 1;
    overflow-y: auto;
    /* CHANGED: Adjusted horizontal padding to match input area's margin */
    padding: var(--spacing-lg) var(--spacing-md); 
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

/* --- Chat Message Wrapper --- */
.chat-message {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    /* ZWINGEND: Der Wrapper muss die volle Breite des Panels haben */
    width: 100%;
    max-width: 100%;
    /* Standardmäßig linksbündig, aber wir dehnen die Kinder manuell */
    align-items: flex-start;
}

.agent-message-container,
.user-message-container {
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    word-break: break-word;
}

/* --- Agent Message (Full Width) --- */
.agent-message-container {
    position: relative;
    background-color: var(--bg-surface-alt);
    border: var(--border-width-sm) solid var(--border-light);
    color: var(--text-primary);
    padding-bottom: var(--spacing-md);

    /* FIX: Erzwinge volle Breite, auch bei wenig Text */
    width: 100%;
    min-width: 100%; /* Verhindert das Zusammenfallen */
    box-sizing: border-box; /* Wichtig, damit Padding nicht die 100% sprengt */

    border-radius: var(--border-radius-lg);
}

/* --- User Message (Compact / Right Aligned) --- */
.user-message-container {
    background-color: var(--primary-light);
    color: var(--text-light);

    /* User Messages sollen kompakt bleiben ("Bubble"-Look) */
    max-width: 85%;
    align-self: flex-end; /* Rechtsbündig */
    width: fit-content;   /* Nur so breit wie nötig */
}

.main-message-content {
    line-height: 1.6;
}

/* --- Content Box --- */
/* Stellt sicher, dass der Inhalt innerhalb des Agenten-Containers auch Platz hat */
.agent-content-box {
    width: 100%;
    overflow-x: auto; /* Falls Code-Blöcke zu breit sind */
}

.system-info {
    text-align: center;
    color: var(--text-secondary);
    font-size: var(--font-size-xs);
    margin: var(--spacing-md) 0;
    width: 100%;
}

.system-info.system-error {
    color: var(--error-color);
    font-weight: 500;
}

details.reasoning-section,
details.tool-call-section {
    border: var(--border-width-sm) solid var(--border-light);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-xs);
    background-color: var(--bg-surface);
    overflow: hidden;
}

details summary {
    padding: var(--spacing-xs) var(--spacing-sm);
    cursor: pointer;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--text-secondary);
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    background-color: var(--bg-surface-hover);
}

details summary::-webkit-details-marker {
    display: none;
}

details summary::before {
    content: '▶';
    font-size: var(--font-size-xxs);
    display: inline-block;
    transition: transform 0.2s ease;
    color: var(--text-secondary);
}

details[open] > summary::before {
    transform: rotate(90deg);
}

details .reasoning-content,
details .tool-call-content {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    background-color: var(--bg-surface);
    border-top: var(--border-width-sm) solid var(--border-light);
}

details .tool-call-content pre {
    background-color: var(--bg-surface-alt);
    padding: var(--spacing-xs);
    border-radius: var(--border-radius-sm);
    overflow-x: auto;
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-xs);
    border: var(--border-width-sm) var(--border-light);
}

.tool-status {
    font-size: var(--font-size-xxs);
    padding: var(--spacing-xxxs) var(--spacing-xs);
    border-radius: var(--border-radius-pill);
    margin-left: auto;
    font-weight: 500;
}

.tool-status.completed {
    background-color: var(--bg-success-light);
    color: var(--success-dark);
}

.tool-status.pending {
    background-color: var(--bg-warning-light);
    color: var(--text-warning-dark);
}

.tool-status.error {
    background-color: var(--bg-error-subtle);
    color: var(--error-dark);
}

/* Markdown inside chat messages */
.chat-message .markdown-rendered-content ul,
.chat-message .markdown-rendered-content ol {
    padding-left: var(--spacing-lg);
    margin-left: 0;
}

/* Increased specificity with #chat-content ancestor to override default margins */
#chat-content .chat-message .markdown-rendered-content > *:last-child,
#chat-content .chat-message .markdown-rendered-content li > p:last-child {
    margin-bottom: 0;
}

/* User message markdown overrides */
.chat-message.user .markdown-rendered-content code {
    background-color: var(--bg-white-t20);
    color: var(--text-light);
}

.chat-message.user .markdown-rendered-content pre {
    background-color: var(--bg-black-t10);
    border: var(--border-width-sm) var(--bg-white-t20);
    color: var(--text-light);
}

.chat-message.user .markdown-rendered-content pre code {
    background-color: transparent;
    color: inherit;
}

.chat-message.user .markdown-rendered-content blockquote {
    border-left-color: var(--bg-white-t50);
    color: var(--bg-white-t90);
}

.chat-message.user .markdown-rendered-content th,
.chat-message.user .markdown-rendered-content td {
    border-color: var(--border-white-t30);
    color: var(--text-light);
}

.chat-message.user .markdown-rendered-content th {
    background-color: var(--bg-black-t10);
}

.chat-message.user .markdown-rendered-content td {
    background-color: transparent;
}

/* Agent message table styles */
.chat-message.agent .markdown-rendered-content th {
    background-color: var(--bg-surface-hover);
    color: var(--text-primary);
}

.chat-message.agent .markdown-rendered-content td {
    background-color: var(--bg-surface);
    color: var(--text-primary);
}

.chat-message.agent .markdown-rendered-content th,
.chat-message.agent .markdown-rendered-content td {
    border-color: var(--border-light);
}


/* NEW: Thinking Indicator Placeholder */
.thinking-indicator {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-lg);
    background-color: var(--bg-surface-alt);
    border: var(--border-width-sm) var(--border-light);
    color: var(--text-secondary);
    font-style: italic;
    /* FIX: Erlaube volle Breite für den Text-Stream statt fixe 250px */
    max-width: 100%;
    width: fit-content; /* Passt sich an: klein beim "Thinking...", breit beim Streaming */
}

.thinking-indicator .dots {
    display: flex;
    gap: var(--spacing-xxs);
}

.thinking-indicator .dots span {
    width: var(--spacing-xs);
    height: var(--spacing-xs);
    background-color: var(--text-placeholder);
    border-radius: var(--border-radius-circle);
    animation: bounce 1.4s infinite ease-in-out both;
}

.thinking-indicator .dots span:nth-of-type(1) {
    animation-delay: -0.32s;
}

.thinking-indicator .dots span:nth-of-type(2) {
    animation-delay: -0.16s;
}

@keyframes bounce {
    0%, 80%, 100% {
        transform: scale(0);
    } 40% {
        transform: scale(1.0);
    }
}


.user-uploaded-image {
    max-width: 25%; /* Display at 25% of the container's width */
    min-width: var(--chat-image-min-width); /* But don't let it get too small */
    height: auto;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: var(--border-width-sm) solid var(--border-light);
    margin-top: var(--spacing-xs);
}

.user-uploaded-image:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-sm);
}

/* REFACTORED: Renamed to match briefing document and ensure it's applied */
.tool-result-formatted-output,
.tool-result-formatted {
    margin-top: var(--spacing-xs);
    padding: var(--spacing-sm);
    background-color: var(--bg-surface-alt);
    border-radius: var(--border-radius-sm);
    border: var(--border-width-sm) solid var(--border-light);
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
    line-height: 1.5;
    font-size: var(--font-size-sm); /* Using variable for consistency */
}

.tool-result-formatted strong {
    color: var(--text-primary);
    font-weight: 600;
}

.tool-result-formatted br {
    line-height: 1.8;
}

/* --- ADDITIONS FOR PHASE 5 REFACTOR --- */

/* Classes to replace inline styles for icons in formatted tool results */
.tool-result-formatted .icon-success,
.tool-result-formatted-output .icon-success {
    color: var(--success-color);
}

.tool-result-formatted .icon-error,
.tool-result-formatted-output .icon-error {
    color: var(--error-color);
}

.tool-result-formatted .icon-info,
.tool-result-formatted-output .icon-info {
    color: var(--primary-color);
}

.summary-arrow {
    transition: transform 0.2s ease;
    margin-right: var(--spacing-xxs);
    display: inline-flex;
    align-items: center;
}
details[open] .summary-arrow {
    transform: rotate(90deg);
}

/* --- Message Actions (Copy Button) --- */

.message-actions {
    display: flex;
    justify-content: flex-end;
    margin-top: var(--spacing-xs);
    min-height: 24px; /* Feste Höhe reservieren - verhindert Layout-Shift */
    opacity: 0; /* Standardmäßig unsichtbar für Clean Look */
    transition: opacity 0.2s ease;
}

/* Einblenden beim Hover über die Nachricht */
.agent-message-container:hover .message-actions {
    opacity: 1;
}

/* Der Button selbst */
.copy-msg-btn {
    background-color: var(--bg-surface);
    border: var(--border-width-sm) solid var(--border-light);
    border-radius: var(--border-radius-md);
    color: var(--text-secondary);
    cursor: pointer;
    padding: 4px 8px;
    font-size: var(--font-size-xs);
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm);
}

.copy-msg-btn:hover {
    background-color: var(--bg-surface-hover);
    color: var(--primary-color);
    border-color: var(--primary-light);
}

/* Feedback Status (Success) */
.copy-msg-btn.copied {
    background-color: var(--success-color);
    color: var(--text-light);
    border-color: var(--success-color);
}

/* ===========================================
   Phase 5 Refactor: System Context Message
   =========================================== */

/* System Context Message (Visual Feedback for Context Switches) */
.context-switch-info {
    background: var(--bg-info-light);
    color: var(--text-info-dark);
    padding: 12px 16px;
    border-radius: 8px;
    border: 1px solid var(--border-medium);
    font-size: 0.85rem;
    width: 100%;
    text-align: center;
}

/* ===========================================
   View Transitions (from artifactIntegration.css)
   =========================================== */

#chat-content,
#chat-input-area,
#chat-image-preview-container {
    transition: opacity 0.3s ease;
}

#chat-content.view-hidden,
#chat-input-area.view-hidden,
#chat-image-preview-container.view-hidden {
    opacity: 0;
    pointer-events: none;
}