:root {
    --bg: #111111;
    --bg-alt: #0a0a0a;
    --text: #e5e5e5;
    --text-secondary: #a0a0a0;
    --border: #222;
    --link: #e5e5e5;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: 'Merriweather', Georgia, serif;
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text);
    background: var(--bg);
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

html.has-app,
body.has-app {
    overflow: hidden;
    height: 100vh;
}

body.has-app .app-layout {
    flex: 1;
    min-height: 0;
    overflow: hidden;
}

.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 24px;
}

.container.narrow {
    max-width: 640px;
}

/* Header */
.header {
    padding: 12px 0;
    border-bottom: 1px solid var(--border);
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--text);
    text-decoration: none;
}

.nav {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav a, .btn-text {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: inherit;
    font-size: 0.9375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.nav a:hover, .btn-text:hover {
    color: var(--text);
}

/* Tools dropdown */
.nav-dropdown {
    position: relative;
}

.nav-dropdown .btn-text {
    display: flex;
    align-items: center;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    margin-top: 4px;
    min-width: 160px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 0;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    z-index: 50;
}

.dropdown-menu[hidden] {
    display: none !important;
}

.dropdown-item {
    display: block;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    padding: 10px 16px;
    cursor: pointer;
}

.dropdown-item:hover {
    color: var(--text);
    background: rgba(255,255,255,0.05);
}

/* Inline tool panel in chat */
.chat-tool-panel {
    border: 1px solid var(--border);
    border-radius: 10px;
    margin-bottom: 12px;
    background: var(--bg-alt);
    overflow: hidden;
}

.chat-tool-panel[hidden] {
    display: none !important;
}

.tool-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
}

.tool-panel-header h3 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.btn-close-tool {
    font-size: 1.25rem;
    line-height: 1;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
    padding: 0 4px;
}

.btn-close-tool:hover {
    color: var(--text);
}

.tool-panel-content {
    padding: 16px;
    max-height: 400px;
    overflow-y: auto;
}

.tool-form-wrap {
    display: none;
}

.tool-form-wrap.active {
    display: block;
}

.tool-panel-content .form-row {
    margin-bottom: 12px;
}

.tool-panel-content .modal-actions {
    margin-top: 16px;
}

/* Hero */
.hero {
    padding: 80px 0 60px;
    text-align: center;
}

.hero h1 {
    margin: 0 0 16px;
    font-size: 2.25rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.hero-sub {
    margin: 0;
    font-size: 1.125rem;
    color: var(--text-secondary);
}

/* Sections */
.section {
    padding: 60px 0;
}

.section-alt {
    background: var(--bg-alt);
}

.section h2 {
    margin: 0 0 16px;
    font-size: 1.25rem;
    font-weight: 600;
}

.section p {
    margin: 0;
    color: var(--text-secondary);
}

.link {
    color: var(--link);
    text-decoration: none;
}

.link:hover {
    text-decoration: underline;
}

.link-cta {
    font-weight: 700;
}

.contech-status {
    margin-bottom: 8px;
}

#api-status.status-ok {
    color: #6ee7b7;
}

#api-status.status-error {
    color: #f87171;
}

/* App layout: sidebar + chat */
body {
    min-height: 100vh;
}

.app-layout {
    display: flex;
    flex: 1;
    min-height: 0;
}

.projects-sidebar {
    flex: 0 0 auto;
    width: var(--sidebar-width, 220px);
    min-width: 160px;
    max-width: 400px;
    align-self: stretch;
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    padding: 12px 10px;
    background: var(--bg-alt);
    overflow: hidden;
}

.projects-sidebar .projects-header,
.projects-sidebar .projects-list {
    flex-shrink: 0;
}

.projects-sidebar .documents-section {
    flex: 1;
    min-height: 0;
    display: flex;
    flex-direction: column;
}

.projects-sidebar .documents-list {
    flex: 1;
    min-height: 0;
    max-height: none;
    overflow-y: auto;
}

.sidebar-resize-handle {
    flex-shrink: 0;
    width: 6px;
    cursor: col-resize;
    background: transparent;
    position: relative;
}

.sidebar-resize-handle::after {
    content: '';
    position: absolute;
    top: 0;
    left: 2px;
    width: 2px;
    height: 100%;
    background: transparent;
    transition: background 0.15s;
}

.sidebar-resize-handle:hover::after,
.sidebar-resize-handle:active::after {
    background: var(--border);
}

.sidebar-resize-handle:hover {
    background: rgba(255, 255, 255, 0.03);
}

.projects-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.projects-header h3 {
    margin: 0;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-new-project {
    font-family: inherit;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text);
    background: var(--border);
    border: none;
    border-radius: 5px;
    padding: 5px 8px;
    cursor: pointer;
}

.btn-new-project:hover {
    background: #333;
}

.projects-list {
    list-style: none;
    margin: 0;
    padding: 0;
}

.project-item {
    display: block;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    padding: 6px 8px;
    margin-bottom: 2px;
    border-radius: 6px;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.project-item:hover {
    color: var(--text);
    background: rgba(255,255,255,0.03);
}

.project-item.active {
    color: var(--text);
    background: var(--border);
}

.projects-empty {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    padding: 8px 0;
    line-height: 1.5;
}

/* Documents section */
.documents-section {
    margin-top: 14px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.documents-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 8px;
}

.documents-header h3 {
    margin: 0;
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.btn-upload {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--border);
    border: none;
    border-radius: 6px;
    padding: 5px 8px;
    cursor: pointer;
}

.btn-upload:hover {
    color: var(--text);
    background: #333;
}

.documents-list {
    overflow-y: auto;
    scrollbar-width: thin;
    scrollbar-color: #404040 transparent;
}

.documents-list::-webkit-scrollbar {
    width: 6px;
}

.documents-list::-webkit-scrollbar-track {
    background: transparent;
}

.documents-list::-webkit-scrollbar-thumb {
    background: #404040;
    border-radius: 3px;
}

.documents-list::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.document-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    padding: 5px 6px;
    margin-bottom: 2px;
    font-size: 0.6875rem;
    color: var(--text-secondary);
    background: rgba(255,255,255,0.02);
    border-radius: 4px;
}

.document-item:hover {
    background: rgba(255,255,255,0.05);
}

.document-name {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.document-size {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    opacity: 0.8;
}

.btn-delete-doc {
    flex-shrink: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    padding: 0 4px;
    cursor: pointer;
    line-height: 1;
}

.btn-download-doc {
    flex-shrink: 0;
    font-size: 0.75rem;
    color: var(--link);
    background: none;
    border: none;
    padding: 0;
    cursor: pointer;
}

.btn-delete-doc:hover,
.btn-download-doc:hover {
    color: var(--text);
}

.documents-hint {
    font-size: 0.6875rem;
    color: var(--text-secondary);
    margin: 6px 0 0;
    opacity: 0.8;
}

.chat-main {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-width: 0;
    min-height: 0;
    overflow: hidden;
}

.chat-panel {
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: 0;
    overflow: hidden;
    min-width: 0;
    width: 100%;
    padding: 0 20px;
}

.chat-quick-actions {
    flex-shrink: 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 8px;
    padding: 8px 0 12px;
    border-bottom: 1px solid var(--border);
}

.quick-label {
    font-size: 0.8125rem;
    color: var(--text-secondary);
}

.quick-btn {
    font-family: inherit;
    font-size: 0.8125rem;
    padding: 6px 12px;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
}

.quick-btn:hover {
    color: var(--text);
    border-color: var(--text-secondary);
}

.btn-copy-chat {
    font-family: inherit;
    font-size: 0.75rem;
    padding: 6px 10px;
    background: transparent;
    border: 1px dashed var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    cursor: pointer;
    margin-left: auto;
}

.btn-copy-chat:hover {
    color: var(--text);
    border-color: var(--text-secondary);
}

.btn-copy-chat.copied {
    color: #6ee7b7;
    border-color: #6ee7b7;
}

.chat-messages {
    flex: 1;
    min-height: 0;
    overflow-y: auto;
    padding: 16px 0 12px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overscroll-behavior: contain;
    scrollbar-width: thin;
    scrollbar-color: #404040 transparent;
}

.chat-messages-inner {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-loading-indicator {
    flex-shrink: 0;
}

.msg-loading-bubbles {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 12px 16px;
}

.loading-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-secondary);
    opacity: 0.8;
    animation: loading-bounce 1.4s ease-in-out infinite both;
}

.loading-dot:nth-child(1) { animation-delay: -0.32s; }
.loading-dot:nth-child(2) { animation-delay: -0.16s; }
.loading-dot:nth-child(3) { animation-delay: 0s; }

@keyframes loading-bounce {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

.chat-messages::-webkit-scrollbar {
    width: 6px;
}

.chat-messages::-webkit-scrollbar-track {
    background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
    background: #404040;
    border-radius: 3px;
}

.chat-messages::-webkit-scrollbar-thumb:hover {
    background: #555;
}

.msg {
    max-width: 88%;
    padding: 10px 14px;
    border-radius: 14px;
    font-size: 0.9375rem;
    line-height: 1.5;
}

.msg p {
    margin: 0;
    white-space: pre-wrap;
    word-break: break-word;
}

.msg-user {
    align-self: flex-end;
    background: #2a2a2a;
    color: var(--text);
    border: 1px solid var(--border);
}

.msg-assistant {
    align-self: flex-start;
    background: var(--bg-alt);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.msg-content.msg-collapsible.msg-collapsed {
    max-height: 6em;
    overflow: hidden;
}

.msg-toggle {
    display: block;
    margin-top: 6px;
    padding: 4px 0;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    cursor: pointer;
}

.msg-toggle:hover {
    color: var(--text);
}

.msg-schedule-card {
    margin-top: 12px;
    padding: 12px;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 8px;
    overflow: auto;
}

.msg-schedule-inner {
    color: var(--text);
}

.msg-schedule-inner .pdf-doc {
    padding: 20px !important;
    font-size: 0.875rem;
    background: #1a1a1a;
    color: var(--text);
    border-radius: 6px;
}

.msg-schedule-inner table {
    font-size: 0.8125rem;
    color: var(--text);
}

.msg-schedule-inner th {
    background: #2a2a2a !important;
    color: var(--text) !important;
}

.msg-schedule-inner td {
    border-color: #333 !important;
}

.msg-schedule-edit {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid var(--border);
}

.msg-schedule-edit-row {
    margin-bottom: 8px;
}

.msg-schedule-edit-row label {
    display: block;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.msg-schedule-edit-row input {
    width: 100%;
    font-family: inherit;
    font-size: 0.875rem;
    padding: 6px 10px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text);
}

.msg-schedule-edit-row input:focus {
    outline: none;
    border-color: #555;
}

.msg-schedule-actions {
    margin-top: 12px;
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.msg-schedule-loading,
.msg-schedule-error {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.chat-input-form {
    flex-shrink: 0;
    padding: 12px 0 20px;
    border-top: 1px solid var(--border);
    background: var(--bg);
}

/* Cursor-style composer: text area on top, controls bar on bottom (per Cursor docs/changelog) */
.chat-composer {
    background: #1a1a1a;
    border: 1px solid #2d2d2d;
    border-radius: 10px;
    overflow: hidden;
}

.chat-composer:focus-within {
    border-color: #404040;
}

.chat-composer-text-wrap {
    padding: 12px 14px 8px;
}

.chat-composer-input {
    display: block;
    width: 100%;
    min-height: 24px;
    max-height: 200px;
    padding: 0;
    margin: 0;
    font-family: inherit;
    font-size: 0.9375rem;
    line-height: 1.5;
    color: var(--text);
    background: transparent;
    border: none;
    resize: none;
    overflow-y: hidden;
}

.chat-composer-input::placeholder {
    color: #6b6b6b;
}

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

.chat-composer-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 10px 8px;
    border-top: 1px solid #252525;
}

.chat-composer-left {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.chat-composer-pill {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    font-family: inherit;
    font-size: 0.8125rem;
    color: #9ca3af;
    background: transparent;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
}

.chat-composer-pill:hover {
    color: #d1d5db;
    background: rgba(255, 255, 255, 0.05);
}

.model-select-wrap {
    position: relative;
}

.chat-composer-pill.chat-composer-model {
    min-width: 0;
    max-width: 160px;
    padding-right: 24px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.chat-composer-pill.chat-composer-model .chat-composer-chevron-up {
    margin-left: auto;
    transform: rotate(180deg);
}

.model-dropdown {
    position: absolute;
    bottom: 100%;
    left: 0;
    margin-bottom: 4px;
    min-width: 180px;
    max-height: none;
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 6px 0;
    box-shadow: 0 -4px 12px rgba(0,0,0,0.3);
    z-index: 60;
    overflow-y: visible;
}

.model-dropdown[hidden] {
    display: none !important;
}

.model-dropdown-group {
    padding: 4px 0;
}

.model-dropdown-group:not(:first-child) {
    border-top: 1px solid var(--border);
}

.model-dropdown-label {
    font-size: 0.6875rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 4px 12px 6px;
}

.model-dropdown-item {
    display: block;
    width: 100%;
    text-align: left;
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-secondary);
    background: none;
    border: none;
    padding: 8px 12px 8px 24px;
    cursor: pointer;
}

.model-dropdown-item:hover {
    color: var(--text);
    background: rgba(255,255,255,0.05);
}

.model-dropdown-item[aria-selected="true"] {
    color: var(--text);
    background: rgba(255,255,255,0.08);
}

.chat-composer-pill-icon {
    font-size: 0.875rem;
    opacity: 0.9;
}

.chat-composer-chevron {
    font-size: 0.625rem;
    opacity: 0.8;
}

.chat-composer-right {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.chat-composer-icon,
.chat-composer-send {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: none;
    border-radius: 8px;
    cursor: pointer;
}

.chat-composer-icon {
    color: #9ca3af;
    background: transparent;
}

.chat-composer-icon:hover {
    color: #d1d5db;
    background: rgba(255, 255, 255, 0.05);
}

.chat-composer-send {
    color: #111;
    background: #9ca3af;
}

.chat-composer-send:hover:not(:disabled) {
    background: #d1d5db;
}

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

.chat-composer-send .chat-icon {
    color: #111;
}

.chat-icon {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
}

.chat-input { flex: 1; }
.chat-send { flex-shrink: 0; }
.model-select-wrap { flex-shrink: 0; }

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    padding: 20px;
}

.modal-overlay[hidden] {
    display: none !important;
}

.modal {
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 24px;
    max-width: 400px;
    width: 100%;
}

.modal-wide {
    max-width: 420px;
}

.modal h3 {
    margin: 0 0 20px;
    font-size: 1.25rem;
}

.modal-actions {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.btn-primary, .btn-secondary {
    font-family: inherit;
    font-size: 0.9375rem;
    padding: 10px 18px;
    border-radius: 8px;
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: var(--text);
    color: var(--bg);
    font-weight: 700;
}

.btn-primary:hover:not(:disabled) {
    background: var(--text-secondary);
}

.btn-secondary {
    background: var(--bg-alt);
    color: var(--text-secondary);
    border: 1px solid var(--border);
}

.btn-secondary:hover {
    color: var(--text);
}

.modal input[type="text"],
.modal input[type="number"],
.modal select {
    width: 100%;
    padding: 10px 12px;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--text);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-top: 4px;
}

.form-row {
    margin-bottom: 14px;
}

.form-row label {
    display: block;
    font-size: 0.8125rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
}

.form-row-inline label {
    display: flex;
    align-items: center;
    gap: 8px;
}

.form-row-inline input {
    margin: 0;
}

/* Estimate result */
.estimate-result {
    margin-top: 20px;
    padding: 16px;
    background: var(--bg-alt);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.estimate-result h4 {
    margin: 0 0 12px;
    font-size: 1rem;
}

.est-total {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--text);
}

.est-range, .est-perlf, .est-duration {
    margin: 4px 0;
    font-size: 0.9375rem;
    color: var(--text-secondary);
}

.est-breakdown {
    margin-top: 12px;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.est-error {
    color: #f87171;
    margin: 0;
}

.estimate-feedback {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.estimate-feedback h4 {
    margin: 0 0 10px;
    font-size: 0.9375rem;
}

.estimate-feedback input {
    margin-right: 10px;
    margin-bottom: 10px;
}

.feedback-success { color: #6ee7b7; margin: 0; }
.feedback-error { color: #f87171; margin: 0; }

.est-actions {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px solid var(--border);
}

.est-actions .btn-sm {
    padding: 8px 14px;
    font-size: 0.875rem;
    margin-right: 8px;
}

.modal textarea {
    width: 100%;
    padding: 10px 12px;
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--text);
    background: var(--bg-alt);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-top: 4px;
    resize: vertical;
}

/* Footer */
.footer {
    padding: 20px 0;
    border-top: 1px solid var(--border);
}

.footer p {
    margin: 0;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.footer-mini {
    padding: 12px 20px;
    text-align: center;
    border-top: 1px solid var(--border);
}

/* Documentation */
.doc-intro {
    margin: 0;
    color: var(--text-secondary);
}

.skill-title {
    margin: 0 0 12px;
    font-size: 1.375rem;
    font-weight: 700;
}

.skill-tip {
    margin: 16px 0 0;
    padding: 12px 14px;
    background: var(--bg);
    border-radius: 8px;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    border-left: 3px solid var(--border);
}

@media (max-width: 768px) {
    .projects-sidebar {
        width: 180px !important;
        min-width: 140px;
        max-width: 240px;
    }
    .sidebar-resize-handle {
        display: none;
    }
    .projects-header h3,
    .documents-header h3 {
        font-size: 0.625rem;
    }
}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 1.75rem;
    }
    .chat-panel {
        padding: 0 16px;
    }
    .msg {
        max-width: 92%;
    }
    .nav {
        gap: 12px;
    }
    .chat-composer-model {
        font-size: 0.75rem;
        max-width: 120px;
    }
}