/* === Reset & Base === */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    background-color: #f0f2f5;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 16px;
}

/* === Chat Container === */
.chat-container {
    width: 100%;
    max-width: 600px;
    height: 90vh;
    background-color: #ffffff;
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* === Chat Header === */
.chat-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    background-color: #4a90d9;
    color: #ffffff;
}

.chat-header h1 {
    font-size: 1.25rem;
    font-weight: 600;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-controls button {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.header-controls button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

#language-selector {
    padding: 4px 8px;
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: 6px;
    background-color: rgba(255, 255, 255, 0.15);
    color: #ffffff;
    font-size: 0.85rem;
    cursor: pointer;
}

/* === Thinking Toggle === */
.thinking-toggle {
    display: flex;
    align-items: center;
    cursor: pointer;
    gap: 2px;
}

.thinking-toggle input[type="checkbox"] {
    display: none;
}

.thinking-toggle-label {
    font-size: 1.2rem;
    opacity: 0.5;
    transition: opacity 0.2s;
    padding: 2px 4px;
    border-radius: 4px;
}

.thinking-toggle input[type="checkbox"]:checked + .thinking-toggle-label {
    opacity: 1;
}

.thinking-toggle:hover .thinking-toggle-label {
    background-color: rgba(255, 255, 255, 0.2);
}

/* === Settings Panel === */
.settings-body {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.setting-item label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.85rem;
    color: #333;
    cursor: pointer;
}

.setting-number {
    width: 60px;
    padding: 3px 6px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 0.85rem;
}

.setting-hint {
    font-size: 0.75rem;
    color: #999;
    margin-left: 2px;
}

.setting-buttons {
    flex-direction: row;
    gap: 8px;
}

.setting-btn {
    padding: 5px 12px;
    font-size: 0.82rem;
    border: 1px solid #ccc;
    border-radius: 6px;
    background: #fff;
    cursor: pointer;
    transition: background-color 0.2s;
}

.setting-btn:hover {
    background-color: #f0f0f0;
}

.setting-btn-danger {
    color: #dc3545;
    border-color: #dc3545;
}

.setting-btn-danger:hover {
    background-color: #dc3545;
    color: #fff;
}

/* === History Dialog === */
.history-dialog {
    max-width: 600px;
    max-height: 85vh;
}

.history-tab-buttons {
    display: flex;
    gap: 4px;
    margin-left: auto;
    margin-right: 12px;
}

.history-tab {
    padding: 3px 10px;
    font-size: 0.78rem;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 12px;
    background: transparent;
    color: rgba(255,255,255,0.7);
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.history-tab.active {
    background: rgba(255,255,255,0.25);
    color: #fff;
}

.history-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.history-item {
    padding: 8px 10px;
    border-radius: 8px;
    border: 1px solid #e0e0e0;
}

.history-item-user {
    background-color: #e3f2fd;
}

.history-item-assistant {
    background-color: #f5f5f5;
}

.history-meta {
    display: block;
    font-size: 0.72rem;
    color: #888;
    margin-bottom: 3px;
}

.history-content {
    display: block;
    font-size: 0.85rem;
    color: #333;
    white-space: pre-wrap;
    word-wrap: break-word;
    max-height: 80px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-empty {
    text-align: center;
    color: #999;
    font-size: 0.88rem;
    padding: 20px 0;
}

.history-paging {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 10px 0 0;
}

.history-page-info {
    font-size: 0.78rem;
    color: #888;
}

.history-page-btn {
    padding: 4px 12px;
    font-size: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 4px;
    background: #fff;
    cursor: pointer;
}

.history-page-btn:hover {
    background-color: #f0f0f0;
}

#language-selector option {
    color: #333333;
    background-color: #ffffff;
}

/* === Slide Panel (Rules & Macros) === */
.slide-panel {
    border-bottom: 1px solid #e0e0e0;
    background-color: #f8f9fa;
    max-height: 280px;
    display: flex;
    flex-direction: column;
    animation: slideDown 0.2s ease-out;
    overflow: hidden; /* Prevent overflow from entire panel */
}

@keyframes slideDown {
    from { max-height: 0; opacity: 0; }
    to { max-height: 280px; opacity: 1; }
}

.slide-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 16px;
    background-color: #eef2f7;
    border-bottom: 1px solid #dde3ea;
    flex-shrink: 0; /* Prevent header from shrinking */
}

.slide-panel-body {
    flex: 1;
    overflow-y: auto; /* Allow scrolling in body */
    padding: 12px 16px;
}
    flex-shrink: 0;
}

.slide-panel-header h3 {
    font-size: 0.88rem;
    font-weight: 600;
    color: #4a90d9;
    margin: 0;
}

.slide-panel-close {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #888888;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    border-radius: 4px;
    transition: color 0.2s, background-color 0.2s;
}

.slide-panel-close:hover {
    color: #333333;
    background-color: rgba(0, 0, 0, 0.08);
}

/* === Rules List === */
.rules-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.rules-list li {
    display: inline-block;
    padding: 4px 10px;
    font-size: 0.82rem;
    color: #4a6785;
    background-color: #e8eef5;
    border-radius: 12px;
    border: 1px solid #d0dae6;
    cursor: default;
    transition: background-color 0.15s;
}

.rules-list li:hover {
    background-color: #dce4ee;
}

/* === Macros List === */
.macros-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.macro-item {
    padding: 10px 12px;
    background-color: #ffffff;
    border-radius: 8px;
    border: 1px solid #e0e5ec;
    transition: box-shadow 0.15s;
}

.macro-item:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.macro-item-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 4px;
}

.macro-item strong {
    font-size: 0.85rem;
    color: #333333;
}

.macro-item-badge {
    display: inline-block;
    font-size: 0.68rem;
    padding: 1px 6px;
    border-radius: 8px;
    background-color: #d4edda;
    color: #28a745;
    font-weight: 500;
}

.macro-item p {
    font-size: 0.8rem;
    color: #666666;
    margin: 2px 0 6px;
    line-height: 1.4;
}

.macro-call-syntax {
    display: inline-block;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.76rem;
    background-color: #f0f0f0;
    color: #c7254e;
    padding: 3px 8px;
    border-radius: 4px;
    border: 1px solid #e0e0e0;
}

/* Adapter disabled state */
.macro-item.disabled {
    opacity: 0.5;
}

.macro-item.disabled .macro-item-desc,
.macro-item.disabled .macro-call-syntax {
    pointer-events: none;
}

/* Adapter toggle */
.macro-toggle-label {
    margin-left: auto;
    display: flex;
    align-items: center;
    cursor: pointer;
}

.macro-toggle-input {
    width: 16px;
    height: 16px;
    cursor: pointer;
    accent-color: #4a90e2;
}

/* === Message Display === */
.message-display {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* === Messages === */
.message {
    max-width: 80%;
    padding: 10px 14px;
    border-radius: 12px;
    word-wrap: break-word;
    line-height: 1.45;
    font-size: 0.95rem;
}

.message.user {
    align-self: flex-end;
    background-color: #4a90d9;
    color: #ffffff;
    border-bottom-right-radius: 4px;
}

.message.bot {
    align-self: flex-start;
    background-color: #e9ecef;
    color: #333333;
    border-bottom-left-radius: 4px;
}

/* === Confidence === */
.confidence {
    display: block;
    font-size: 0.72rem;
    margin-top: 4px;
    font-weight: 500;
}

.confidence-high {
    color: #28a745;
}

.confidence-low {
    color: #dc3545;
}

/* === Adapter Path Breadcrumb === */
.adapter-path {
    display: block;
    font-size: 0.7rem;
    margin-top: 2px;
    color: #8e8e8e;
    font-style: italic;
}

/* === Response Time === */
.response-time {
    display: block;
    font-size: 0.68rem;
    margin-top: 2px;
    color: #aaaaaa;
}

/* === Links in bot messages === */
.message.bot a {
    color: #4a90d9;
    text-decoration: underline;
    word-break: break-all;
}

.message.bot a:hover {
    color: #3a7bc8;
}

/* === Loading Indicator === */
.loading-indicator {
    align-self: flex-start;
    padding: 10px 14px;
    background-color: #e9ecef;
    border-radius: 12px;
    font-size: 0.9rem;
    color: #888888;
    animation: pulse 1.2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* === Input Area === */
.input-area {
    display: flex;
    padding: 12px 16px;
    border-top: 1px solid #e0e0e0;
    background-color: #ffffff;
    gap: 8px;
}

.input-area input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid #cccccc;
    border-radius: 20px;
    font-size: 0.95rem;
    outline: none;
    transition: border-color 0.2s;
}

.input-area input:focus {
    border-color: #4a90d9;
}

.input-area button {
    padding: 10px 20px;
    background-color: #4a90d9;
    color: #ffffff;
    border: none;
    border-radius: 20px;
    font-size: 0.95rem;
    cursor: pointer;
    transition: background-color 0.2s;
    white-space: nowrap;
}

.input-area button:hover {
    background-color: #3a7bc8;
}

.input-area button:disabled,
.input-area button.disabled {
    background-color: #a0bfdf;
    cursor: not-allowed;
    opacity: 0.7;
}

.input-area button:disabled:hover,
.input-area button.disabled:hover {
    background-color: #a0bfdf;
}

/* === LLM Loading Status === */
.llm-loading-status {
    align-self: flex-start;
    padding: 10px 14px;
    background-color: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 12px;
    font-size: 0.88rem;
    color: #856404;
    animation: pulse 1.5s ease-in-out infinite;
}

/* === Attachment Preview === */
.attachment-preview {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    background-color: #f8f9fa;
    border-top: 1px solid #e0e0e0;
}

.attachment-thumb {
    width: 40px;
    height: 40px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid #ddd;
}

.attachment-name {
    flex: 1;
    font-size: 0.82rem;
    color: #555;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.attachment-remove {
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #999;
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    line-height: 1;
    transition: color 0.2s, background-color 0.2s;
}

.attachment-remove:hover {
    color: #dc3545;
    background-color: rgba(220, 53, 69, 0.1);
}

/* === Attach Button === */
#attach-button {
    background: none;
    border: none;
    font-size: 1.3rem;
    cursor: pointer;
    padding: 6px;
    border-radius: 50%;
    transition: background-color 0.2s;
    flex-shrink: 0;
}

#attach-button:hover {
    background-color: #e9ecef;
}

/* === Message Image === */
.message-image {
    display: block;
    max-width: 100%;
    max-height: 200px;
    border-radius: 8px;
    margin-bottom: 6px;
    object-fit: contain;
}

/* === LLM Cancel Button === */
.llm-cancel-container {
    align-self: flex-start;
    margin-top: 4px;
}

.llm-cancel-button {
    display: inline-block;
    padding: 5px 14px;
    font-size: 0.82rem;
    color: #dc3545;
    background-color: #fff;
    border: 1px solid #dc3545;
    border-radius: 16px;
    cursor: pointer;
    transition: background-color 0.2s, color 0.2s;
}

.llm-cancel-button:hover {
    background-color: #dc3545;
    color: #fff;
}

/* === Streaming Message === */
.message-text {
    white-space: pre-wrap;
    word-wrap: break-word;
}

.message.bot.streaming .message-text {
    border-right: 2px solid #4a90d9;
    padding-right: 2px;
    animation: blink-cursor 0.8s step-end infinite;
}

@keyframes blink-cursor {
    50% { border-color: transparent; }
}

/* === LLM Thinking Block === */
.llm-thinking-block {
    background-color: #e8f5e9;
    border-left: 3px solid #81c784;
    border-radius: 6px;
    padding: 8px 10px;
    margin-bottom: 8px;
    font-size: 0.84rem;
    line-height: 1.5;
    color: #2e7d32;
}

.llm-thinking-label {
    display: block;
    font-weight: 600;
    font-size: 0.78rem;
    margin-bottom: 4px;
    color: #388e3c;
}

.llm-thinking-content {
    display: block;
    white-space: pre-wrap;
    word-wrap: break-word;
    color: #1b5e20;
}

/* === Utility === */
.hidden {
    display: none !important;
}

/* === Responsive — Mobile (max-width: 768px, min-width: 320px) === */
@media (max-width: 768px) {
    body {
        padding: 0;
        align-items: stretch;
    }

    .chat-container {
        max-width: 100%;
        height: 100vh;
        border-radius: 0;
        box-shadow: none;
    }

    .chat-header {
        padding: 10px 12px;
    }

    .chat-header h1 {
        font-size: 1.1rem;
    }

    .header-controls {
        gap: 6px;
    }

    #language-selector {
        font-size: 0.8rem;
        padding: 3px 6px;
    }

    .message-display {
        padding: 12px;
    }

    .message {
        max-width: 88%;
        font-size: 0.9rem;
    }

    .input-area {
        padding: 10px 12px;
    }

    .input-area input {
        padding: 8px 12px;
        font-size: 0.9rem;
    }

    .input-area button {
        padding: 8px 16px;
        font-size: 0.9rem;
    }

    .rules-panel,
    .macros-panel,
    .slide-panel {
        max-height: 200px;
    }
}

/* === Help Dialog Overlay === */
.help-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1000;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.help-dialog {
    background-color: #ffffff;
    border-radius: 12px;
    width: 90%;
    max-width: 520px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
    animation: slideUp 0.25s ease-out;
}

@keyframes slideUp {
    from { transform: translateY(24px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

.help-dialog-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid #e0e0e0;
    background: linear-gradient(135deg, #4a90d9, #5ba3e6);
    color: #ffffff;
    border-radius: 12px 12px 0 0;
}

.help-dialog-header h2 {
    font-size: 1.05rem;
    font-weight: 600;
    margin: 0;
}

.help-close-button {
    background: none;
    border: none;
    color: #ffffff;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0 4px;
    line-height: 1;
    border-radius: 4px;
    transition: background-color 0.2s;
}

.help-close-button:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.help-dialog-body {
    padding: 20px;
    overflow-y: auto;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #333333;
}

.help-section {
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid #f0f0f0;
}

.help-section:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.help-section h3 {
    font-size: 0.92rem;
    font-weight: 600;
    color: #4a90d9;
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.help-section p {
    margin: 4px 0;
    color: #555555;
}

.help-section ul {
    list-style: none;
    padding: 0;
    margin: 6px 0 0 0;
}

.help-section li {
    padding: 4px 0 4px 16px;
    position: relative;
    color: #555555;
}

.help-section li::before {
    content: '•';
    position: absolute;
    left: 4px;
    color: #4a90d9;
    font-weight: bold;
}

.help-example {
    display: inline-block;
    background-color: #f0f4f8;
    color: #4a90d9;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 0.84rem;
    font-family: 'Courier New', Courier, monospace;
}

.help-confidence-demo {
    display: flex;
    gap: 12px;
    margin-top: 8px;
}

.help-confidence-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.84rem;
}

.help-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.help-dot.green { background-color: #28a745; }
.help-dot.red { background-color: #dc3545; }

/* === Responsive — Help Dialog Mobile === */
@media (max-width: 768px) {
    .help-dialog {
        width: 95%;
        max-height: 85vh;
    }

    .help-dialog-header {
        padding: 12px 16px;
    }

    .help-dialog-body {
        padding: 16px;
    }
}

/* === Interaction Mode Badge === */
.interaction-mode-badge {
    font-size: 0.85rem;
    padding: 2px 6px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    cursor: pointer; /* Clickable */
    user-select: none;
    white-space: nowrap;
    transition: background-color 0.2s ease, transform 0.1s ease;
}

.interaction-mode-badge:hover {
    background-color: rgba(255, 255, 255, 0.35);
    transform: scale(1.05);
}

.interaction-mode-badge:active {
    transform: scale(0.95);
}

/* === Adapter Prefix Badge === */
.adapter-prefix-badge {
    display: inline-block;
    font-size: 0.8rem;
    padding: 4px 10px;
    margin-right: 8px;
    background-color: #e3f2fd;
    color: #1976d2;
    border: 1px solid #90caf9;
    border-radius: 12px;
    white-space: nowrap;
    transition: opacity 0.2s;
}

.adapter-prefix-badge.hidden {
    display: none;
}

/* === Voice Input Button === */
#voice-input-button {
    background: none;
    border: none;
    font-size: 1.2rem;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: background-color 0.2s, transform 0.1s;
    flex-shrink: 0;
}

#voice-input-button:hover {
    background-color: rgba(74, 144, 217, 0.1);
}

/* Animation pulse khi đang lắng nghe */
#voice-input-button.voice-listening {
    animation: voice-pulse 1s ease-in-out infinite;
    color: #dc3545;
}

@keyframes voice-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.2); opacity: 0.7; }
}

/* === Settings Panel — Voice Controls === */
.setting-divider {
    border: none;
    border-top: 1px solid #e9ecef;
    margin: 12px 0;
}

.setting-label {
    display: block;
    font-size: 0.85rem;
    color: #555;
    margin-bottom: 4px;
}

.setting-select {
    width: 100%;
    padding: 6px 8px;
    border: 1px solid #ced4da;
    border-radius: 6px;
    font-size: 0.85rem;
    background-color: #fff;
    cursor: pointer;
}

.setting-select:focus {
    outline: none;
    border-color: #4a90d9;
    box-shadow: 0 0 0 2px rgba(74, 144, 217, 0.2);
}

/* === History Attachment Thumbnail === */
.history-attachment-thumb {
    display: block;
    max-width: 80px;
    max-height: 60px;
    border-radius: 4px;
    margin-top: 4px;
    object-fit: cover;
    border: 1px solid #dee2e6;
}


/* === TTS Status Indicator === */
.tts-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background-color: #fff3cd;
    border-bottom: 1px solid #ffc107;
    color: #856404;
    font-size: 0.875rem;
    animation: slideDown 0.3s ease-out;
}

.tts-status.hidden {
    display: none;
}

.tts-spinner {
    display: inline-block;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}