/* ========================================
   MULTI SEARCH AI - STYLES
   ======================================== */

:root {
    --msai-bg: #ffffff;
    --msai-bg-secondary: #f8fafc;
    --msai-bg-tertiary: #f1f5f9;
    --msai-text: #1e293b;
    --msai-text-secondary: #64748b;
    --msai-text-muted: #94a3b8;
    --msai-border: #e2e8f0;
    --msai-accent: #4F46E5;
    --msai-accent-hover: #4338ca;
}

.msai-dark {
    --msai-bg: #0f172a;
    --msai-bg-secondary: #1e293b;
    --msai-bg-tertiary: #334155;
    --msai-text: #f8fafc;
    --msai-text-secondary: #cbd5e1;
    --msai-text-muted: #94a3b8;
    --msai-border: #475569;
    --msai-accent: #6366f1;
    --msai-accent-hover: #818cf8;
}

.msai-container {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
    background: var(--msai-bg);
    color: var(--msai-text);
}

/* Header */
.msai-header {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    margin-bottom: 25px;
    padding: 10px 0;
}

.msai-title {
    margin: 0;
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--msai-text);
    text-align: center;
}

.msai-theme-toggle {
    position: absolute;
    right: 0;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid var(--msai-border);
    background: var(--msai-bg-secondary);
    cursor: pointer;
    font-size: 1.25rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--msai-text);
}

.msai-theme-toggle:hover {
    background: var(--msai-bg-tertiary);
    transform: scale(1.1);
    border-color: var(--msai-accent);
}

/* Engine Grid */
.msai-engine-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 10px;
    margin-bottom: 20px;
}

.msai-engine-btn {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 12px 8px;
    background: var(--msai-bg-secondary);
    border: 2px solid transparent;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 70px;
    justify-content: center;
}

.msai-engine-btn:hover {
    background: var(--msai-bg-tertiary);
    transform: translateY(-2px);
}

.msai-engine-btn.active {
    background: var(--msai-bg);
    border-color: var(--msai-accent);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.msai-engine-icon {
    font-size: 1.4rem;
    margin-bottom: 4px;
}

.msai-engine-name {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--msai-text);
    text-align: center;
    line-height: 1.2;
}

/* Compare Mode */
.msai-compare-toggle {
    margin-bottom: 15px;
    padding: 12px 15px;
    background: var(--msai-bg-secondary);
    border-radius: 8px;
}

.msai-compare-toggle label {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-weight: 600;
    color: var(--msai-text);
}

.msai-compare-engines {
    margin-bottom: 15px;
    padding: 15px;
    background: var(--msai-bg-secondary);
    border-radius: 8px;
}

.msai-compare-engines p {
    margin: 0 0 10px 0;
    font-weight: 600;
    color: var(--msai-text);
}

.msai-engine-checkboxes {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.msai-engine-checkboxes label {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 12px;
    background: var(--msai-bg);
    border: 1px solid var(--msai-border);
    border-radius: 6px;
    cursor: pointer;
    color: var(--msai-text);
    font-size: 0.9rem;
}

/* Current Engine */
.msai-current-engine {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 15px;
    padding: 12px 15px;
    background: var(--msai-bg-secondary);
    border-radius: 8px;
    font-size: 0.95rem;
    flex-wrap: wrap;
}

.msai-searching-text {
    color: var(--msai-text-secondary);
}

.msai-current-engine-icon {
    font-size: 1.1rem;
}

.msai-current-engine-name {
    font-weight: 600;
    color: var(--msai-text);
}

.msai-selected-engines {
    display: flex;
    flex-wrap: wrap;
    gap: 5px;
    margin-left: 5px;
}

.msai-selected-engine-tag {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 3px 10px;
    background: var(--msai-accent);
    color: #fff;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

.msai-default-checkbox {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--msai-text-secondary);
    font-size: 0.9rem;
}

/* Search Box */
.msai-search-box {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    align-items: center;
}

.msai-search-input {
    flex: 1;
    padding: 15px 20px;
    font-size: 1rem;
    border: 2px solid var(--msai-border);
    border-radius: 50px;
    background: var(--msai-bg);
    color: var(--msai-text);
    outline: none;
    transition: all 0.3s ease;
}

.msai-search-input:focus {
    border-color: var(--msai-accent);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.msai-search-input::placeholder {
    color: var(--msai-text-muted);
}

.msai-voice-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(135deg, #EF4444 0%, #DC2626 100%);
    color: #fff;
    cursor: pointer;
    font-size: 1.25rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.msai-voice-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.msai-voice-btn.recording {
    animation: pulse 1s infinite;
}

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

.msai-search-btn {
    padding: 15px 30px;
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    color: #fff;
    border: none;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.msai-search-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(79, 70, 229, 0.3);
}

/* Results */
.msai-results {
    margin-top: 20px;
    padding: 20px;
    background: var(--msai-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--msai-border);
    display: none;
}

.msai-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--msai-border);
    flex-wrap: wrap;
    gap: 10px;
}

.msai-results-header h4 {
    margin: 0;
    color: var(--msai-text);
}

.msai-results-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.msai-results-actions button {
    padding: 8px 15px;
    background: var(--msai-bg-tertiary);
    border: 1px solid var(--msai-border);
    border-radius: 6px;
    cursor: pointer;
    color: var(--msai-text);
    font-size: 0.85rem;
    transition: all 0.3s ease;
    font-weight: 500;
}

.msai-results-actions button:hover {
    background: var(--msai-accent);
    color: #fff;
    border-color: var(--msai-accent);
}

.msai-loading {
    text-align: center;
    padding: 40px;
    color: var(--msai-text-secondary);
}

.msai-results-content {
    line-height: 1.8;
    color: var(--msai-text);
}

.msai-results-content h1,
.msai-results-content h2,
.msai-results-content h3,
.msai-results-content h4,
.msai-results-content h5,
.msai-results-content h6 {
    color: var(--msai-text);
    margin: 20px 0 10px 0;
}

.msai-results-content p {
    margin: 10px 0;
    color: var(--msai-text);
}

.msai-results-content a {
    color: var(--msai-accent);
    text-decoration: none;
}

.msai-results-content a:hover {
    text-decoration: underline;
}

.msai-results-content code {
    background: var(--msai-bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    color: var(--msai-text);
}

.msai-results-content pre {
    background: var(--msai-bg-tertiary);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    color: var(--msai-text);
}

.msai-results-content ul, 
.msai-results-content ol {
    margin: 10px 0;
    padding-left: 20px;
    color: var(--msai-text);
}

/* Comparison Results */
.msai-comparison-results {
    margin-top: 20px;
    display: none;
}

.msai-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.msai-comparison-card {
    background: var(--msai-bg);
    border: 1px solid var(--msai-border);
    border-radius: 12px;
    overflow: hidden;
}

.msai-comparison-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px;
    color: #fff;
    font-weight: 600;
}

.msai-comparison-content {
    padding: 15px;
    max-height: 500px;
    overflow-y: auto;
    color: var(--msai-text);
}

/* Chat */
.msai-chat {
    margin-top: 20px;
    border: 1px solid var(--msai-border);
    border-radius: 12px;
    background: var(--msai-bg-secondary);
    overflow: hidden;
    display: none;
}

.msai-chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px;
    background: var(--msai-bg-tertiary);
    border-bottom: 1px solid var(--msai-border);
}

.msai-chat-header h4 {
    margin: 0;
    color: var(--msai-text);
}

.msai-chat-clear {
    padding: 5px 15px;
    background: var(--msai-bg);
    border: 1px solid var(--msai-border);
    border-radius: 6px;
    cursor: pointer;
    color: var(--msai-text-secondary);
}

.msai-chat-history {
    max-height: 400px;
    overflow-y: auto;
    padding: 15px;
}

.msai-chat-message {
    margin-bottom: 15px;
}

.msai-chat-message.user {
    text-align: right;
}

.msai-chat-message.user .msai-chat-bubble {
    display: inline-block;
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    color: #fff;
    padding: 10px 15px;
    border-radius: 18px 18px 4px 18px;
    max-width: 80%;
    text-align: left;
}

.msai-chat-message.assistant .msai-chat-bubble {
    background: var(--msai-bg);
    border: 1px solid var(--msai-border);
    padding: 15px;
    border-radius: 18px 18px 18px 4px;
    color: var(--msai-text);
}

.msai-chat-engine {
    font-size: 0.75rem;
    color: var(--msai-text-muted);
    margin-bottom: 5px;
}

.msai-chat-input-box {
    display: flex;
    gap: 10px;
    padding: 15px;
    background: var(--msai-bg-tertiary);
    border-top: 1px solid var(--msai-border);
}

.msai-chat-input {
    flex: 1;
    padding: 12px 15px;
    border: 1px solid var(--msai-border);
    border-radius: 25px;
    background: var(--msai-bg);
    color: var(--msai-text);
    outline: none;
}

.msai-chat-input::placeholder {
    color: var(--msai-text-muted);
}

.msai-chat-send {
    padding: 12px 25px;
    background: linear-gradient(135deg, #4F46E5 0%, #7C3AED 100%);
    color: #fff;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
}

/* History & Bookmarks */
.msai-history-panel,
.msai-bookmarks-panel {
    margin-top: 20px;
    padding: 15px;
    background: var(--msai-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--msai-border);
}

.msai-history-panel h4,
.msai-bookmarks-panel h4 {
    margin: 0 0 15px 0;
    color: var(--msai-text);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.msai-history-list,
.msai-bookmarks-list {
    max-height: 300px;
    overflow-y: auto;
}

.msai-history-item,
.msai-bookmark-item {
    padding: 10px;
    border-bottom: 1px solid var(--msai-border);
    cursor: pointer;
    transition: background 0.3s ease;
}

.msai-history-item:hover,
.msai-bookmark-item:hover {
    background: var(--msai-bg-tertiary);
}

.msai-history-item:last-child,
.msai-bookmark-item:last-child {
    border-bottom: none;
}

.msai-history-query,
.msai-bookmark-title {
    font-weight: 600;
    color: var(--msai-text);
    margin-bottom: 4px;
}

.msai-history-meta,
.msai-bookmark-meta {
    font-size: 0.8rem;
    color: var(--msai-text-muted);
}

.msai-bookmark-actions {
    display: flex;
    gap: 10px;
    margin-top: 8px;
}

.msai-bookmark-actions button {
    padding: 4px 10px;
    font-size: 0.75rem;
    border: none;
    border-radius: 4px;
    cursor: pointer;
}

.msai-bookmark-view {
    background: var(--msai-accent);
    color: #fff;
}

.msai-bookmark-delete {
    background: #ef4444;
    color: #fff;
}

/* Table */
.msai-table {
    width: 100%;
    border-collapse: collapse;
    margin: 15px 0;
    background: var(--msai-bg);
    border-radius: 8px;
    overflow: hidden;
}

.msai-table th,
.msai-table td {
    padding: 12px 15px;
    text-align: left;
    border: 1px solid var(--msai-border);
    color: var(--msai-text);
}

.msai-table th {
    background: var(--msai-bg-tertiary);
    font-weight: 700;
}

.msai-table tr:nth-child(even) {
    background: var(--msai-bg-secondary);
}

/* Error */
.msai-error {
    color: #ef4444;
    padding: 15px;
    background: rgba(239, 68, 68, 0.1);
    border-radius: 8px;
    border-left: 4px solid #ef4444;
}

/* Generation Containers */
.msai-gen-container,
.msai-media-container {
    margin: 20px 0;
    padding: 20px;
    background: var(--msai-bg-secondary);
    border-radius: 12px;
    border: 1px solid var(--msai-border);
    position: relative;
}

.msai-gen-container .msai-theme-toggle,
.msai-media-container .msai-theme-toggle {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 36px;
    height: 36px;
    font-size: 1rem;
}

.msai-gen-container h3,
.msai-media-container h3 {
    margin: 0 0 15px 0;
    color: var(--msai-text);
    padding-right: 50px;
}

.msai-gen-form,
.msai-media-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.msai-gen-prompt,
.msai-media-query {
    width: 100%;
    min-height: 80px;
    padding: 12px 15px;
    border: 1px solid var(--msai-border);
    border-radius: 8px;
    background: var(--msai-bg);
    color: var(--msai-text);
    font-family: inherit;
    resize: vertical;
    font-size: 1rem;
}

.msai-gen-prompt::placeholder,
.msai-media-query::placeholder {
    color: var(--msai-text-muted);
}

.msai-gen-model,
.msai-media-source {
    padding: 10px 15px;
    border: 1px solid var(--msai-border);
    border-radius: 8px;
    background: var(--msai-bg);
    color: var(--msai-text);
    cursor: pointer;
    font-size: 1rem;
}

.msai-gen-btn,
.msai-media-btn {
    padding: 12px 25px;
    background: linear-gradient(135deg, #10B981 0%, #059669 100%);
    color: #fff;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.msai-gen-btn:hover,
.msai-media-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.3);
}

.msai-gen-result,
.msai-media-results {
    margin-top: 20px;
    display: none;
}

.msai-gen-loading,
.msai-media-loading {
    text-align: center;
    padding: 30px;
    color: var(--msai-text-secondary);
}

.msai-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 15px;
}

.msai-media-item {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    background: var(--msai-bg-tertiary);
}

.msai-media-item img,
.msai-media-item iframe {
    width: 100%;
    height: 150px;
    object-fit: cover;
    display: block;
}

.msai-media-item-title {
    padding: 10px;
    font-size: 0.85rem;
    color: var(--msai-text);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    background: var(--msai-bg);
}

/* FAQ */
.msai-faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.msai-faq-item {
    margin-bottom: 10px;
    border: 1px solid var(--msai-border);
    border-radius: 8px;
    overflow: hidden;
    background: var(--msai-bg-secondary);
}

.msai-faq-question {
    width: 100%;
    padding: 15px 20px;
    background: var(--msai-bg-secondary);
    border: none;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--msai-text);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: background 0.3s ease;
}

.msai-faq-question:hover {
    background: var(--msai-bg-tertiary);
}

.msai-faq-question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--msai-accent);
    font-weight: 400;
}

.msai-faq-item.active .msai-faq-question::after {
    content: '-';
}

.msai-faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.msai-faq-item.active .msai-faq-answer {
    max-height: 500px;
}

.msai-faq-answer-content {
    padding: 15px 20px;
    background: var(--msai-bg);
    color: var(--msai-text-secondary);
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 768px) {
    .msai-engine-grid {
        grid-template-columns: repeat(4, 1fr);
    }
    
    .msai-comparison-grid {
        grid-template-columns: 1fr;
    }
    
    .msai-search-box {
        flex-wrap: wrap;
    }
    
    .msai-search-input {
        width: 100%;
    }
    
    .msai-results-header {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 500px) {
    .msai-engine-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .msai-title {
        font-size: 1.6rem;
    }
}