/* ===================================================
   MX Nexus Embedded Chat — Identieke styling
   Bron: MX Nexus ChatPage.css (6 april 2026)
   NIET WIJZIGEN — deze CSS is 1-op-1 uit Nexus
   =================================================== */

/* --- Design System Variabelen --- */
:root {
    --primary-50:  #eff6ff;
    --primary-100: #dbeafe;
    --primary-200: #bfdbfe;
    --primary-300: #93c5fd;
    --primary-400: #60a5fa;
    --primary-500: #3b82f6;
    --primary-600: #2563eb;
    --primary-700: #1d4ed8;
    --primary-800: #1e40af;
    --navy:        #1a365d;
    --gray-50:     #f9fafb;
    --gray-100:    #f3f4f6;
    --gray-200:    #e5e7eb;
    --gray-300:    #d1d5db;
    --gray-400:    #9ca3af;
    --gray-500:    #6b7280;
    --gray-600:    #4b5563;
    --gray-700:    #374151;
    --gray-800:    #1f2937;
    --error-50:    #fee2e2;
    --error-500:   #ef4444;
    --error-700:   #991b1b;
}

/* --- Override page-content scrolling (chat regelt eigen scroll) --- */
.page-content:has(.nexus-chat-container) {
    overflow: hidden;
    padding: 0;
}

/* --- Layout --- */
.nexus-chat-container {
    display: flex;
    height: calc(100vh - 120px);
    background: white;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    overflow: hidden;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 13px;
}

/* --- Sessie Sidebar (links, 260px) --- */
.chat-sessions {
    width: 260px;
    min-width: 260px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--gray-200);
    background: var(--gray-50);
}

.chat-new-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 12px;
    padding: 10px 14px;
    background: var(--primary-600);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 150ms ease;
    font-family: inherit;
}

.chat-new-btn:hover {
    background: var(--primary-700);
    transform: translateY(-1px);
}

.chat-sessions-list {
    flex: 1;
    overflow-y: auto;
    padding: 0 8px 8px;
}

.chat-session-item {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    position: relative;
    width: 100%;
    padding: 10px 32px 10px 12px;
    margin-bottom: 2px;
    border: none;
    border-radius: 8px;
    background: none;
    cursor: pointer;
    transition: all 150ms ease;
    text-align: left;
    font-family: inherit;
}

.chat-session-item:hover { background: var(--gray-200); }

.chat-session-item.active {
    background: var(--primary-50);
    border-left: 3px solid var(--primary-600);
}

.chat-session-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray-800);
    line-height: 1.3;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    max-width: 100%;
}

.chat-session-meta {
    font-size: 11px;
    color: var(--gray-400);
    margin-top: 2px;
}

.chat-session-delete {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    border-radius: 4px;
    background: none;
    color: var(--gray-400);
    font-size: 16px;
    cursor: pointer;
    opacity: 0;
    transition: all 150ms ease;
}

.chat-session-item:hover .chat-session-delete { opacity: 1; }

.chat-session-delete:hover {
    background: var(--error-50);
    color: var(--error-500);
}

.chat-sessions-empty {
    text-align: center;
    padding: 24px 12px;
    font-size: 12px;
    color: var(--gray-400);
}

/* --- Chat Main (rechts) --- */
.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    min-width: 0;
    padding: 0 24px 0 16px;
}

.chat-topbar {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 0;
    margin-left: 8%;
    border-bottom: 1px solid var(--gray-200);
    font-size: 13px;
    font-weight: 500;
    color: var(--gray-500);
}

/* --- Berichten area --- */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 16px 0;
}

.chat-scroll-spacer {
    min-height: 60vh;
    pointer-events: none;
}

.chat-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    text-align: center;
    padding: 40px;
    color: var(--gray-500);
}

.chat-welcome h3 {
    color: var(--navy);
    margin-bottom: 8px;
}

/* --- Chat Berichten --- */
.chat-message {
    margin-bottom: 16px;
    max-width: 92%;
}

.chat-message-user {
    margin-left: auto;
    margin-right: 2%;
    max-width: 80%;
}

.chat-message-assistant {
    margin-right: auto;
    margin-left: 8%;
}

.chat-message-header {
    font-size: 11px;
    font-weight: 600;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 4px;
    padding: 0 2px;
}

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

.chat-message-content {
    padding: 10px 14px;
    border-radius: 12px;
    font-size: 13px;
    line-height: 1.6;
    word-break: break-word;
}

.chat-message-user .chat-message-content {
    background: var(--primary-600);
    color: white;
    border-bottom-right-radius: 4px;
    white-space: pre-wrap;
}

.chat-message-assistant .chat-message-content {
    background: var(--gray-100);
    color: var(--gray-800);
    border-bottom-left-radius: 4px;
}

/* --- Markdown Styling (assistant berichten) --- */
.chat-message-assistant .chat-message-content > :first-child { margin-top: 0; }
.chat-message-assistant .chat-message-content > :last-child { margin-bottom: 0; }
.chat-message-assistant .chat-message-content p { margin: 8px 0; }

.chat-message-assistant .chat-message-content h1,
.chat-message-assistant .chat-message-content h2,
.chat-message-assistant .chat-message-content h3,
.chat-message-assistant .chat-message-content h4 {
    margin: 14px 0 6px;
    font-weight: 600;
    color: var(--navy);
    line-height: 1.3;
}

.chat-message-assistant .chat-message-content h1 { font-size: 16px; }
.chat-message-assistant .chat-message-content h2 { font-size: 15px; }
.chat-message-assistant .chat-message-content h3 { font-size: 14px; }
.chat-message-assistant .chat-message-content h4 { font-size: 13px; }

.chat-message-assistant .chat-message-content ul,
.chat-message-assistant .chat-message-content ol {
    margin: 8px 0;
    padding-left: 20px;
}

.chat-message-assistant .chat-message-content li { margin-bottom: 4px; }

.chat-message-assistant .chat-message-content code {
    background: rgba(0, 0, 0, 0.06);
    padding: 1px 5px;
    border-radius: 4px;
    font-size: 12px;
    font-family: 'Consolas', 'Monaco', 'Courier New', monospace;
}

.chat-message-assistant .chat-message-content pre {
    margin: 10px 0;
    padding: 12px;
    background: #1e293b;
    border-radius: 8px;
    overflow-x: auto;
}

.chat-message-assistant .chat-message-content pre code {
    background: none;
    padding: 0;
    color: #e2e8f0;
    font-size: 12px;
    line-height: 1.5;
    white-space: pre;
}

.chat-message-assistant .chat-message-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    font-size: 12px;
}

.chat-message-assistant .chat-message-content th,
.chat-message-assistant .chat-message-content td {
    padding: 6px 10px;
    border: 1px solid var(--gray-300);
    text-align: left;
}

.chat-message-assistant .chat-message-content th {
    background: var(--gray-200);
    font-weight: 600;
    color: var(--navy);
}

.chat-message-assistant .chat-message-content tr:nth-child(even) td {
    background: rgba(0, 0, 0, 0.02);
}

.chat-message-assistant .chat-message-content blockquote {
    margin: 10px 0;
    padding: 8px 14px;
    border-left: 3px solid var(--primary-400);
    background: var(--primary-50);
    color: var(--gray-700);
}

.chat-message-assistant .chat-message-content hr {
    margin: 14px 0;
    border: none;
    border-top: 1px solid var(--gray-300);
}

.chat-message-assistant .chat-message-content a {
    color: var(--primary-600);
    text-decoration: none;
}

.chat-message-assistant .chat-message-content a:hover { text-decoration: underline; }

/* --- Bronverwijzingen (source badges) --- */
.chat-message-sources {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-top: 6px;
    padding: 0 2px;
}

.chat-source-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    max-width: 260px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.chat-source-badge-type {
    font-weight: 600;
    opacity: 0.7;
    flex-shrink: 0;
}

/* --- Typing Indicator --- */
.chat-typing {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 12px 16px;
}

.chat-typing-dot {
    width: 8px;
    height: 8px;
    background: var(--gray-400);
    border-radius: 50%;
    animation: chat-typing-bounce 1.4s ease-in-out infinite;
}

.chat-typing-dot:nth-child(2) { animation-delay: 0.2s; }
.chat-typing-dot:nth-child(3) { animation-delay: 0.4s; }

@keyframes chat-typing-bounce {
    0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
    30% { transform: translateY(-6px); opacity: 1; }
}

/* --- Feedback (duimpje omhoog/omlaag) --- */
.chat-feedback {
    display: flex;
    align-items: flex-start;
    gap: 2px;
    margin-top: 4px;
    padding: 0 2px;
    flex-wrap: wrap;
}

.chat-feedback-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 26px;
    height: 26px;
    padding: 0;
    border: none;
    background: none;
    color: var(--gray-400);
    border-radius: 4px;
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
}

.chat-feedback-btn:hover {
    color: var(--gray-600);
    background: var(--gray-100);
}

.chat-feedback-btn-active-positive { color: #16a34a; background: #f0fdf4; }
.chat-feedback-btn-active-negative { color: #dc2626; background: #fef2f2; }

.chat-feedback-input {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 100%;
    margin-top: 6px;
}

.chat-feedback-textarea {
    width: 100%;
    padding: 8px 10px;
    border: 1px solid var(--gray-300);
    border-radius: 6px;
    font-size: 12px;
    font-family: inherit;
    resize: vertical;
    min-height: 40px;
    max-height: 120px;
    box-sizing: border-box;
}

.chat-feedback-textarea:focus {
    outline: none;
    border-color: var(--primary-400);
    box-shadow: 0 0 0 2px var(--primary-50);
}

.chat-feedback-input-actions {
    display: flex;
    justify-content: flex-end;
    gap: 6px;
}

.chat-feedback-cancel {
    padding: 4px 10px;
    border: 1px solid var(--gray-300);
    border-radius: 4px;
    background: white;
    color: var(--gray-600);
    font-size: 11px;
    font-family: inherit;
    cursor: pointer;
}

.chat-feedback-submit {
    padding: 4px 10px;
    border: none;
    border-radius: 4px;
    background: var(--primary-600);
    color: white;
    font-size: 11px;
    font-family: inherit;
    cursor: pointer;
}

.chat-feedback-submit:hover { background: var(--primary-700); }
.chat-feedback-submit:disabled { opacity: 0.5; cursor: not-allowed; }

/* --- Input Bar (unified container) --- */
.chat-input-bar {
    display: flex;
    flex-direction: column;
    margin: 8px 0;
    margin-left: 8%;
    max-width: 92%;
    border: 2px solid var(--gray-300);
    border-radius: 12px;
    background: var(--gray-50);
    transition: border-color 200ms ease, box-shadow 200ms ease;
}

.chat-input-bar:focus-within {
    border-color: var(--primary-400);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.chat-input-row { display: flex; }

.chat-input {
    flex: 1;
    padding: 12px 14px;
    border: none;
    border-radius: 12px 12px 0 0;
    font-size: 13px;
    font-family: inherit;
    background: transparent;
    resize: none;
    color: var(--gray-800);
}

.chat-input:focus { outline: none; }
.chat-input::placeholder { color: var(--gray-400); }

.chat-input-divider {
    height: 1px;
    margin: 0 12px;
    background: var(--gray-200);
}

.chat-input-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 6px 8px;
}

.chat-send-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 8px;
    background: var(--primary-600);
    color: white;
    cursor: pointer;
    transition: all 150ms ease;
    flex-shrink: 0;
}

.chat-send-btn:hover:not(:disabled) {
    background: var(--primary-700);
    transform: translateY(-1px);
}

.chat-send-btn:disabled {
    background: var(--gray-300);
    cursor: not-allowed;
}

.chat-stop-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border: none;
    border-radius: 8px;
    background: #dc2626;
    color: white;
    cursor: pointer;
    flex-shrink: 0;
    animation: chat-stop-pulse 2s ease-in-out infinite;
}

@keyframes chat-stop-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

/* --- Error Banner --- */
.chat-error {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 8px 14px;
    margin: 0 8% 8px;
    background: var(--error-50);
    color: var(--error-700);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
}