/*
 * Phase 1 Quiet System Pass.
 * Late cascade layer for authenticated app visual cohesion only.
 * No layout or behavior ownership lives here.
 */

:root {
  color-scheme: dark;
  --qb-bg: #0f0f0e;
  --qb-bg-2: #151514;
  --qb-bg-3: #1b1a18;
  --qb-bg-4: #22201d;
  --qb-surface: rgba(27, 26, 24, 0.96);
  --qb-surface-raised: rgba(33, 31, 28, 0.96);
  --qb-surface-hover: rgba(43, 39, 34, 0.94);
  --qb-surface-active: rgba(55, 45, 31, 0.88);
  --qb-line: rgba(245, 239, 230, 0.09);
  --qb-line-soft: rgba(245, 239, 230, 0.065);
  --qb-line-faint: rgba(245, 239, 230, 0.042);
  --qb-fg: #f5efe6;
  --qb-fg-2: #d8cfc3;
  --qb-fg-3: #a89e91;
  --qb-fg-4: #756c62;
  --qb-amber: #e8c97c;
  --qb-amber-muted: rgba(232, 201, 124, 0.16);
  --qb-danger: #e8988c;
  --qb-radius-sm: 8px;
  --qb-radius-md: 12px;
  --qb-radius-lg: 16px;
  --qb-shadow-soft: 0 18px 46px rgba(0, 0, 0, 0.18);
}

html,
body {
  background: var(--qb-bg);
  color: var(--qb-fg);
  font-family: Inter, system-ui, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#container {
  background: var(--qb-bg);
  color: var(--qb-fg);
}

/* =========================
   App Shell Surfaces
========================= */

#sidebar,
#chat-col,
#right,
#chat-headerbar {
  background: var(--qb-bg-2);
  color: var(--qb-fg);
}

#sidebar {
  border-right-color: var(--qb-line-faint);
}

#right {
  border-left-color: var(--qb-line-faint);
  background: var(--qb-bg);
}

#resizer {
  background: var(--qb-line-faint);
}

#resizer:hover,
#resizer.active {
  background: rgba(232, 201, 124, 0.26);
}

#chat-headerbar,
.sidebar-controls,
#sidebar-footer,
#input-area,
#panelButtons {
  border-color: var(--qb-line-faint);
}

#chat-headerbar {
  background: rgba(18, 17, 16, 0.98);
}

#chat,
#mai-chat {
  background: var(--qb-bg);
}

#chat::before,
#mai-chat::before {
  min-height: 12px;
}

/* =========================
   Navigation + Pills
========================= */

#sidebar-nav button,
.sidebar-utility-nav button,
#sidebar-footer button,
.settings-nav-item,
.workspace-switcher button,
.chat-session-open,
.chat-session-icon,
.chat-session-delete {
  color: var(--qb-fg-3);
}

#sidebar-nav button:hover,
.sidebar-utility-nav button:hover,
#sidebar-footer button:hover,
.settings-nav-item:hover,
.chat-session-open:hover,
.chat-session-icon:hover,
.chat-session-delete:hover {
  background: var(--qb-surface-hover);
  color: var(--qb-fg);
}

#sidebar-nav button.active,
.settings-nav-item.active,
.chat-session-row.active {
  background: linear-gradient(180deg, rgba(232, 201, 124, 0.11), rgba(232, 201, 124, 0.055));
  border-color: rgba(232, 201, 124, 0.2);
  color: var(--qb-fg);
}

.chat-session-row.active {
  box-shadow: inset 3px 0 0 rgba(232, 201, 124, 0.72);
}

.workspace-switcher,
.chat-runtime-pill,
.settings-nav {
  border-color: var(--qb-line-soft);
  background: rgba(22, 20, 18, 0.78);
}

.workspace-switcher button.active {
  background: rgba(232, 201, 124, 0.86);
  color: #1c150d;
}

.chat-runtime-pill:hover,
.chat-runtime-pill:focus-within {
  border-color: rgba(232, 201, 124, 0.26);
  background: var(--qb-surface-hover);
  box-shadow: none;
}

.chat-language-row select,
.chat-style-select,
#chat-headerbar #profile,
#topbar-controls select,
.sidebar-controls select,
.mai-style-select,
.mai-orch-select {
  background: transparent;
  color: var(--qb-fg-2);
  border-color: var(--qb-line-soft);
}

/* =========================
   Composer + Controls
========================= */

#input-area {
  background: rgba(18, 17, 16, 0.98);
}

#input-area textarea#message,
.mai-input-row input[type="text"],
.form-group input,
.form-group textarea,
.row input,
.row select,
.field input[type="text"],
.field input[type="number"],
.field input[type="password"],
.field textarea,
.field select,
.settings-bot-col select,
.admin-rules-textarea,
.mai-ctrl-input,
.mai-runtime-card select,
.mai-bot-row select,
.bot-card select {
  border: 1px solid var(--qb-line-soft);
  border-radius: var(--qb-radius-sm);
  background: rgba(245, 239, 230, 0.035);
  color: var(--qb-fg);
}

#input-area textarea#message::placeholder,
.mai-input-row input[type="text"]::placeholder,
.field input::placeholder,
.field textarea::placeholder,
.form-group input::placeholder,
.form-group textarea::placeholder {
  color: rgba(168, 158, 145, 0.72);
}

#input-area textarea#message:focus,
.mai-input-row input[type="text"]:focus,
.form-group input:focus,
.form-group textarea:focus,
.row input:focus,
.row select:focus,
.field input[type="text"]:focus,
.field input[type="number"]:focus,
.field input[type="password"]:focus,
.field textarea:focus,
.field select:focus,
.settings-bot-col select:focus,
.admin-rules-textarea:focus,
.mai-ctrl-input:focus,
.mai-runtime-card select:focus,
.mai-bot-row select:focus,
.bot-card select:focus,
#chat-headerbar #profile:focus,
#topbar-controls select:focus,
.sidebar-controls select:focus {
  outline: none;
  border-color: rgba(232, 201, 124, 0.48);
  background: rgba(245, 239, 230, 0.055);
  box-shadow: 0 0 0 3px rgba(232, 201, 124, 0.08);
}

#send-btn,
.mai-input-row button,
#container button.primary,
#topbar-controls button.primary {
  border: 1px solid rgba(232, 201, 124, 0.25);
  background: rgba(126, 79, 19, 0.72);
  color: var(--qb-fg);
  box-shadow: none;
}

#send-btn:hover,
.mai-input-row button:hover,
#container button.primary:hover,
#topbar-controls button.primary:hover {
  border-color: rgba(232, 201, 124, 0.34);
  background: rgba(143, 91, 24, 0.82);
  color: var(--qb-fg);
}

#container button,
#container select,
#topbar-controls button,
#topbar-controls select {
  border-radius: var(--qb-radius-sm);
}

#panelContent button:not(.primary),
.settings-page button:not(.primary),
.admin-card button:not(.primary),
.mai-round-stepper button {
  border: 1px solid var(--qb-line-soft);
  background: rgba(245, 239, 230, 0.04);
  color: var(--qb-fg-2);
}

#panelContent button:not(.primary):hover,
.settings-page button:not(.primary):hover,
.admin-card button:not(.primary):hover,
.mai-round-stepper button:hover {
  border-color: rgba(232, 201, 124, 0.18);
  background: var(--qb-surface-hover);
  color: var(--qb-fg);
}

/* =========================
   Messages
========================= */

.bubble,
.history-item {
  border-radius: var(--qb-radius-md);
  border: 1px solid var(--qb-line-faint);
  color: var(--qb-fg-2);
  line-height: 1.55;
}

.bubble.user,
.history-item.user {
  background: rgba(65, 46, 23, 0.66);
  border-color: rgba(232, 201, 124, 0.14);
  color: var(--qb-fg);
}

.bubble.assistant,
.history-item.assistant {
  background: var(--qb-surface);
  border-color: var(--qb-line-faint);
  color: var(--qb-fg-2);
}

.bubble.user .history-label,
.history-item.user .history-label,
.bubble.assistant .history-label,
.history-item.assistant .history-label,
.history-label {
  color: var(--qb-fg-4);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.history-content {
  color: var(--qb-fg-2);
}

.chat-history-hint,
.history-time,
.message-char-status {
  color: var(--qb-fg-4);
}

/* =========================
   Panels, Cards, Sections
========================= */

.section h2,
.settings-page-title {
  color: var(--qb-fg);
  font-weight: 500;
  letter-spacing: -0.02em;
}

.settings-content,
#panelContent {
  color: var(--qb-fg-2);
}

.settings-nav,
.admin-card,
.settings-card-primary,
.settings-usage-summary,
.api-provider-card,
.settings-style-list-panel,
.settings-style-item,
.settings-style-expanded,
.mai-runtime-card,
.bot-card,
.mai-settings-panel,
.admin-user-detail-panel,
.admin-stat-box,
.orch-preset-card,
.chat-access-notice,
.mai-access-notice {
  border-color: var(--qb-line-faint);
  background: var(--qb-surface);
  box-shadow: none;
}

.admin-card h3,
.settings-card-primary h3,
.mai-runtime-card-title,
.admin-collapsible-toggle,
.admin-providers-label,
.admin-stat-label {
  color: var(--qb-fg-3);
  border-color: var(--qb-line-faint);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.admin-desc,
.field-hint,
.settings-hint,
.api-provider-card p,
.chat-empty,
.mai-empty {
  color: var(--qb-fg-3);
}

.chat-empty strong,
.mai-empty strong,
.api-provider-card h4,
.admin-stat-value {
  color: var(--qb-fg);
}

.settings-divider,
.admin-providers,
.admin-sub-collapsible,
.provider-chain-row {
  border-color: var(--qb-line-faint) !important;
}

.provider-chain-row {
  background: rgba(15, 15, 14, 0.84) !important;
}

.admin-card-danger {
  border-color: rgba(232, 152, 140, 0.22);
  background: rgba(54, 24, 20, 0.42);
}

.admin-card-danger h3 {
  color: var(--qb-danger);
  border-bottom-color: rgba(232, 152, 140, 0.18);
}

.profile-helper-note {
  margin: 8px 0 0;
  max-width: 58ch;
  color: var(--qb-fg-3);
  font-size: 11.5px;
  line-height: 1.35;
}

/* =========================
   Modal / Sheet Foundations
========================= */

#topbar-controls {
  border-color: var(--qb-line-faint);
  background: rgba(21, 20, 19, 0.98);
  box-shadow: var(--qb-shadow-soft);
}

#topbar-overlay,
#sidebar-overlay,
.admin-drawer-overlay {
  background: rgba(0, 0, 0, 0.42);
}

/* =========================
   Feedback
========================= */

.toast {
  border-color: var(--qb-line-soft);
  background: var(--qb-surface-raised);
  color: var(--qb-fg-2);
  box-shadow: var(--qb-shadow-soft);
}

.toast.toast-success,
.toast.toast-info {
  border-left-color: var(--qb-amber);
}

.msg-error {
  border-color: rgba(232, 152, 140, 0.24);
  border-left-color: var(--qb-danger);
  background: rgba(54, 24, 20, 0.46);
  color: #f1b8af;
}

/* =========================
   Scrollbars
========================= */

::-webkit-scrollbar-thumb {
  background: rgba(245, 239, 230, 0.14);
}

::-webkit-scrollbar-track {
  background: rgba(15, 15, 14, 0.8);
}

/* =========================
   Phase 2: Interaction + Rhythm Polish
========================= */

#container *,
#topbar-controls * {
  transition-duration: 160ms;
  transition-timing-function: ease;
}

#container button,
#container select,
#container input,
#container textarea {
  transition-property: background, border-color, color, box-shadow, opacity, transform;
}

/* Settings/Admin integration */

.admin-nav {
  background: var(--qb-bg-2);
  border-right-color: var(--qb-line-faint);
  padding: 14px 8px;
  gap: 4px;
}

.admin-nav-title {
  color: var(--qb-fg-4);
  border-bottom-color: var(--qb-line-faint);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.admin-nav-item {
  border: 1px solid transparent;
  border-radius: var(--qb-radius-sm);
  color: var(--qb-fg-3);
}

.admin-nav-item:hover {
  background: var(--qb-surface-hover);
  color: var(--qb-fg);
}

.admin-nav-item.active {
  background: linear-gradient(180deg, rgba(232, 201, 124, 0.12), rgba(232, 201, 124, 0.055));
  border-color: rgba(232, 201, 124, 0.2);
  border-right-color: rgba(232, 201, 124, 0.2);
  color: var(--qb-fg);
  box-shadow: inset 3px 0 0 rgba(232, 201, 124, 0.68);
}

.admin-content,
.section {
  background: var(--qb-bg);
}

.admin-page-title {
  color: var(--qb-fg);
  font-size: 18px;
  font-weight: 500;
  letter-spacing: -0.02em;
}

.admin-search,
.chat-session-rename-input,
.mem-score {
  border: 1px solid var(--qb-line-soft);
  background: rgba(245, 239, 230, 0.035);
  color: var(--qb-fg);
}

.admin-search:focus,
.chat-session-rename-input:focus {
  border-color: rgba(232, 201, 124, 0.48);
  box-shadow: 0 0 0 3px rgba(232, 201, 124, 0.08);
}

.admin-card,
.admin-user-detail-header,
.admin-detail-section,
.admin-ai-access-box,
.admin-card-collapsible,
.settings-style-list-panel,
.settings-style-editor,
.api-keys-hero,
.api-keys-subscription-notice,
.settings-usage-summary {
  border-color: var(--qb-line-faint);
  background: rgba(27, 26, 24, 0.72);
}

.admin-card,
.api-provider-card,
.settings-style-list-panel,
.settings-style-editor {
  padding-block: 18px;
}

.admin-card h3,
.admin-user-detail-header h3,
.admin-detail-section-head strong,
.admin-ai-access-head strong,
.settings-style-list-head span,
.settings-style-kicker,
.api-keys-kicker {
  color: var(--qb-fg-3);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 500;
  letter-spacing: 0.14em;
}

.admin-detail-section-head span,
.admin-ai-access-head span,
.admin-detail-section p,
.admin-ai-access-box p,
.settings-usage-label,
.settings-usage-provider-row .settings-usage-label,
.admin-user-sub,
.admin-desc,
.api-keys-hero p,
.api-keys-actions p,
.settings-style-item-preview {
  color: var(--qb-fg-3);
}

.settings-usage-value,
.settings-usage-provider-row .settings-usage-value,
.admin-user-email,
.admin-user-detail-grid,
.api-provider-card p {
  color: var(--qb-fg-2);
}

.settings-usage-divider {
  border-top-color: var(--qb-line-faint);
}

.admin-user-row {
  border-bottom-color: var(--qb-line-faint);
  border-radius: var(--qb-radius-md);
}

.admin-user-row:hover {
  background: var(--qb-surface-hover);
  border-color: rgba(232, 201, 124, 0.13);
}

.admin-user-row.selected {
  background: rgba(232, 201, 124, 0.08);
  border-color: rgba(232, 201, 124, 0.22);
}

.admin-user-role,
.admin-user-access,
.api-key-status-pill,
.settings-style-badge,
.api-keys-secure,
.api-key-inactive-badge,
.token-badge {
  border: 1px solid var(--qb-line-soft);
  background: rgba(245, 239, 230, 0.035);
  color: var(--qb-fg-3);
}

.admin-user-role.admin,
.admin-user-access.subscription,
.api-keys-subscription-notice,
.api-key-inactive-badge {
  border-color: rgba(232, 201, 124, 0.18);
  background: rgba(232, 201, 124, 0.075);
  color: var(--qb-fg-2);
}

.admin-user-status.active,
.key-connected {
  background: rgba(139, 170, 142, 0.1);
  color: #bdd9c0;
}

.admin-user-status.disabled,
.key-missing {
  background: rgba(232, 152, 140, 0.09);
  color: #d7a8a1;
}

.admin-access-segment,
.admin-access-option,
.admin-provider-list-item,
.provider-chain-row,
.orch-preset-card,
.memory-item {
  border-color: var(--qb-line-faint);
  background: rgba(15, 15, 14, 0.42);
}

.admin-access-option:hover,
.admin-provider-list-item:hover,
.orch-preset-card:hover,
.memory-item:hover,
.settings-style-item:hover {
  border-color: rgba(232, 201, 124, 0.18);
  background: var(--qb-surface-hover);
}

.admin-access-option.selected,
.admin-access-option:has(input:checked),
.settings-style-item.active {
  border-color: rgba(232, 201, 124, 0.28);
  background: rgba(232, 201, 124, 0.085);
  box-shadow: none;
}

.field input[type="checkbox"],
.admin-access-option input,
.admin-provider-item input[type="checkbox"],
.admin-provider-list-item input[type="checkbox"] {
  accent-color: var(--qb-amber);
}

.admin-usage-table,
.audit-table {
  border-color: var(--qb-line-faint);
  background: rgba(15, 15, 14, 0.32);
}

.admin-usage-table th,
.audit-table th {
  color: var(--qb-fg-3);
  border-bottom-color: var(--qb-line-faint);
  background: rgba(245, 239, 230, 0.025);
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-weight: 500;
  letter-spacing: 0.12em;
}

.admin-usage-table td,
.audit-table td {
  color: var(--qb-fg-2);
  border-bottom-color: var(--qb-line-faint);
}

.admin-usage-table tbody tr:hover td,
.audit-table tbody tr:hover td {
  background: rgba(245, 239, 230, 0.03);
}

.admin-usage-bar {
  background: rgba(232, 201, 124, 0.22);
}

/* Chat reading rhythm */

.msg {
  margin: 12px 0;
}

.bubble,
.history-item,
.mai-bubble {
  padding: 12px 15px;
  line-height: 1.58;
}

.msg.assistant + .msg.assistant,
.msg.user + .msg.user {
  margin-top: 6px;
}

.msg.user + .msg.assistant,
.msg.assistant + .msg.user {
  margin-top: 16px;
}

.history-meta {
  gap: 7px;
  margin-bottom: 7px;
}

.history-label,
.history-time,
.timestamp,
.message-time,
.meta,
.mai-msg-label {
  font-size: 10px;
  line-height: 1.3;
}

.bubble p,
.history-content p,
.mai-bubble p {
  margin: 0 0 0.85em;
}

.bubble p:last-child,
.history-content p:last-child,
.mai-bubble p:last-child {
  margin-bottom: 0;
}

.bubble ul,
.bubble ol,
.history-content ul,
.history-content ol,
.mai-bubble ul,
.mai-bubble ol {
  margin: 0.65em 0 0.85em;
  padding-left: 1.35em;
}

.bubble li + li,
.history-content li + li,
.mai-bubble li + li {
  margin-top: 0.28em;
}

.bubble pre,
.history-content pre,
.mai-bubble pre {
  margin: 0.85em 0;
  padding: 12px 13px;
  border: 1px solid var(--qb-line-soft);
  border-radius: var(--qb-radius-sm);
  background: rgba(10, 10, 9, 0.72);
  color: var(--qb-fg-2);
  overflow-x: auto;
  line-height: 1.55;
}

.bubble code,
.history-content code,
.mai-bubble code {
  border: 1px solid var(--qb-line-faint);
  border-radius: 6px;
  background: rgba(245, 239, 230, 0.045);
  color: var(--qb-fg);
  padding: 0.08em 0.35em;
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.92em;
}

.bubble pre code,
.history-content pre code,
.mai-bubble pre code {
  border: 0;
  background: transparent;
  padding: 0;
}

.bubble blockquote,
.history-content blockquote,
.mai-bubble blockquote {
  margin: 0.85em 0;
  padding-left: 12px;
  border-left: 2px solid rgba(232, 201, 124, 0.25);
  color: var(--qb-fg-3);
}

/* Composer integration */

#input-area {
  gap: 10px;
  padding: 10px 12px 12px;
}

#input-area .chat-composer-main {
  gap: 8px;
}

.chat-language-row {
  gap: 7px;
}

.chat-runtime-pill {
  min-height: 31px;
  border-color: var(--qb-line-soft);
  background: rgba(245, 239, 230, 0.035);
  box-shadow: none;
}

.chat-runtime-icon {
  color: var(--qb-amber);
  opacity: 0.72;
}

#input-area textarea#message {
  min-height: 76px;
  height: 76px;
  padding: 10px 12px;
  border-radius: var(--qb-radius-md);
  line-height: 1.5;
}

#send-btn {
  height: 76px;
  width: 62px;
  border-radius: var(--qb-radius-md);
}

#send-btn:disabled,
.mai-input-row button:disabled {
  opacity: 0.42;
  background: rgba(245, 239, 230, 0.035);
  border-color: var(--qb-line-faint);
  color: var(--qb-fg-4);
}

/* Sidebar interaction rhythm */

#sidebar-nav {
  gap: 3px;
}

.nav-group + .nav-group {
  border-top-color: var(--qb-line-faint);
}

.chat-session-list {
  gap: 6px;
}

.chat-session-row {
  min-height: 42px;
  border-radius: var(--qb-radius-md);
}

.chat-session-row:hover {
  background: rgba(245, 239, 230, 0.022);
}

.chat-session-title {
  color: var(--qb-fg-2);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.chat-session-subtitle,
.chat-session-empty,
#user-bar-email {
  color: var(--qb-fg-4);
}

.sidebar-primary-action,
#sidebar-nav .sidebar-primary-action {
  border-color: rgba(232, 201, 124, 0.23);
  background: rgba(126, 79, 19, 0.42);
  color: var(--qb-fg);
}

.sidebar-primary-action:hover,
#sidebar-nav .sidebar-primary-action:hover {
  background: rgba(126, 79, 19, 0.58);
  transform: translateY(-1px);
}

/* =========================
   Phase 3: Color + Interaction Governance
========================= */

:root {
  --qb-ease: cubic-bezier(0.2, 0, 0.18, 1);
  --qb-speed-fast: 120ms;
  --qb-speed: 170ms;
  --qb-accent-line: rgba(232, 201, 124, 0.24);
  --qb-accent-soft: rgba(232, 201, 124, 0.07);
  --qb-focus-ring: 0 0 0 3px rgba(232, 201, 124, 0.075);
}

html {
  width: 100%;
  height: 100%;
  overflow-x: hidden;
}

body {
  width: 100%;
  min-height: 100%;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
}

body:has(#container:not(.hidden)) {
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
}

.sidebar-brand-cup {
  width: 32px !important;
  height: 28px !important;
  background-size: auto 132% !important;
}

#container:not(.hidden) {
  width: 100%;
  height: 100vh;
  height: 100dvh;
  max-height: 100dvh;
  min-height: 0;
  overflow: hidden;
}

#container:not(.hidden) #sidebar,
#container:not(.hidden) #chat-col,
#container:not(.hidden) #right,
#container:not(.hidden) #panelContent,
#container:not(.hidden) .admin-shell {
  min-height: 0;
  max-height: 100dvh;
}

#container *,
#topbar-controls * {
  transition-duration: var(--qb-speed);
  transition-timing-function: var(--qb-ease);
}

@media (prefers-reduced-motion: reduce) {
  #container *,
  #topbar-controls * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}

body.shell-reveal-pending #container *,
body.shell-reveal-pending #topbar-controls * {
  transition-duration: 0s !important;
  animation-duration: 0s !important;
}

/* Amber is a signal: focus, active hairlines, and primary action only. */

#sidebar-nav button.active,
.settings-nav-item.active,
.chat-session-row.active,
.admin-nav-item.active,
.admin-user-row.selected,
.admin-access-option.selected,
.admin-access-option:has(input:checked),
.settings-style-item.active {
  background: rgba(245, 239, 230, 0.045);
  border-color: var(--qb-accent-line);
  color: var(--qb-fg);
  box-shadow: inset 2px 0 0 rgba(232, 201, 124, 0.62);
}

.workspace-switcher button.active {
  background: var(--qb-fg);
  color: var(--qb-bg);
}

.chat-runtime-icon,
.landing-pearl,
.chat-loading-dot {
  color: var(--qb-amber);
}

.sidebar-primary-action,
#sidebar-nav .sidebar-primary-action {
  border-color: var(--qb-accent-line);
  background: rgba(245, 239, 230, 0.035);
  color: var(--qb-fg);
}

.sidebar-primary-action:hover,
#sidebar-nav .sidebar-primary-action:hover {
  border-color: rgba(232, 201, 124, 0.34);
  background: rgba(245, 239, 230, 0.06);
  transform: translateY(-1px);
}

#send-btn,
.mai-input-row button,
#container button.primary,
#topbar-controls button.primary {
  background: var(--qb-fg);
  border-color: var(--qb-fg);
  color: var(--qb-bg);
  font-weight: 600;
}

#send-btn:hover,
.mai-input-row button:hover,
#container button.primary:hover,
#topbar-controls button.primary:hover {
  background: #fffaf1;
  border-color: #fffaf1;
  color: var(--qb-bg);
  transform: translateY(-1px);
}

.bubble.user,
.history-item.user,
.mai-msg-user .mai-bubble {
  background: rgba(245, 239, 230, 0.055);
  border-color: var(--qb-line-soft);
  color: var(--qb-fg);
  box-shadow: inset 2px 0 0 rgba(232, 201, 124, 0.46);
}

.chat-access-notice,
.mai-access-notice,
.api-keys-subscription-notice,
.admin-user-access.subscription,
.api-key-inactive-badge {
  background: rgba(245, 239, 230, 0.04);
  border-color: var(--qb-line-soft);
}

.api-provider-green .api-provider-icon,
.api-provider-violet .api-provider-icon,
.api-provider-blue .api-provider-icon,
.api-provider-gold .api-provider-icon,
.api-provider-icon {
  color: var(--qb-fg-2);
  background: rgba(245, 239, 230, 0.045);
}

.admin-usage-bar {
  background: rgba(232, 201, 124, 0.18);
}

/* Interaction state grammar */

#container button:hover,
#container select:hover,
.chat-runtime-pill:hover,
.api-provider-card:hover,
.admin-card:hover,
.settings-style-item:hover,
.chat-session-row:hover {
  border-color: rgba(245, 239, 230, 0.12);
}

#container button:active,
.chat-session-open:active,
.settings-nav-item:active,
.admin-nav-item:active {
  transform: translateY(0);
  background: rgba(245, 239, 230, 0.07);
}

#container button:disabled,
#container select:disabled,
#container input:disabled,
#container textarea:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

#container button:focus-visible,
#container select:focus-visible,
#container input:focus-visible,
#container textarea:focus-visible,
#topbar-controls button:focus-visible,
#topbar-controls select:focus-visible {
  outline: none;
  border-color: rgba(232, 201, 124, 0.46);
  box-shadow: var(--qb-focus-ring);
}

/* Typography and reading governance */

.admin-nav-title,
.admin-card h3,
.admin-user-detail-header h3,
.admin-detail-section-head strong,
.admin-ai-access-head strong,
.admin-providers-label,
.admin-stat-label,
.settings-style-list-head span,
.settings-style-kicker,
.api-keys-kicker,
.history-label,
.mai-msg-label {
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.section h2,
.settings-page-title,
.admin-page-title {
  line-height: 1.14;
}

.bubble,
.history-content,
.mai-bubble {
  font-size: 14px;
  line-height: 1.62;
}

.bubble strong,
.history-content strong,
.mai-bubble strong {
  color: var(--qb-fg);
  font-weight: 600;
}

.bubble hr,
.history-content hr,
.mai-bubble hr {
  border: 0;
  border-top: 1px solid var(--qb-line-faint);
  margin: 1em 0;
}

/* =========================
   Phase 3.1: Surface Discipline
========================= */

.settings-nav,
.admin-nav,
.admin-card,
.admin-user-detail-header,
.admin-detail-section,
.admin-ai-access-box,
.admin-card-collapsible,
.settings-style-list-panel,
.settings-style-editor,
.settings-style-item,
.api-keys-hero,
.api-provider-card,
.api-keys-subscription-notice,
.settings-usage-summary,
.mai-runtime-panel,
.mai-runtime-card,
.mai-settings-panel,
.mai-controls,
.bot-card,
.bot-card-a,
.bot-card-b,
.mai-input-area,
.mai-mobile-quick-controls.visible,
#topbar-controls,
.chat-access-notice,
.mai-access-notice {
  background: var(--qb-surface) !important;
  border-color: var(--qb-line-faint) !important;
  box-shadow: none !important;
}


.settings-nav-item,
.admin-nav-item,
.admin-access-option,
.admin-provider-list-item,
.provider-chain-row,
.orch-preset-card,
.memory-item,
.mai-mode-btn,
.mai-settings-toggle,
.mai-mobile-quick-controls .mai-mode-btn,
.mai-round-stepper button,
.api-key-status-pill,
.settings-style-badge,
.admin-user-role,
.admin-user-access,
.api-keys-secure,
.api-key-inactive-badge,
.token-badge {
  background: rgba(245, 239, 230, 0.025) !important;
  border-color: var(--qb-line-faint) !important;
  color: var(--qb-fg-3);
  box-shadow: none !important;
}

.settings-nav-item:hover,
.admin-nav-item:hover,
.admin-access-option:hover,
.admin-provider-list-item:hover,
.orch-preset-card:hover,
.memory-item:hover,
.settings-style-item:hover,
.api-provider-card:hover,
.mai-mode-btn:hover,
.mai-settings-toggle:hover,
.mai-mobile-quick-controls .mai-mode-btn:hover,
.mai-round-stepper button:hover {
  background: rgba(245, 239, 230, 0.045) !important;
  border-color: var(--qb-line-soft) !important;
  color: var(--qb-fg);
}

#sidebar-nav button.active,
.settings-nav-item.active,
.chat-session-row.active,
.admin-nav-item.active,
.admin-user-row.selected,
.admin-access-option.selected,
.admin-access-option:has(input:checked),
.settings-style-item.active,
.mai-mode-btn.mai-mode-active,
.mai-mobile-quick-controls .mai-mode-btn.mai-mode-active {
  background: rgba(245, 239, 230, 0.055) !important;
  border-color: var(--qb-accent-line) !important;
  color: var(--qb-fg) !important;
  box-shadow: inset 2px 0 0 rgba(232, 201, 124, 0.58) !important;
}

.workspace-switcher button.active {
  background: var(--qb-fg) !important;
  color: var(--qb-bg) !important;
  box-shadow: none !important;
}

/* Admin navigation: align with the newer operational pages. */
.admin-shell {
  background: var(--qb-bg) !important;
}

.admin-nav {
  background: rgba(20, 20, 19, 0.98) !important;
  border-right-color: var(--qb-line-faint) !important;
  box-shadow: none !important;
}

.admin-nav-title {
  color: var(--qb-fg-4) !important;
  border-bottom-color: var(--qb-line-faint) !important;
}

.admin-nav-item {
  display: flex !important;
  align-items: center;
  gap: 10px;
  min-height: 40px;
  background: transparent !important;
  border-color: transparent !important;
  border-radius: 9px !important;
  color: var(--qb-fg-3) !important;
  font-size: 13px;
  font-weight: 600;
  box-shadow: none !important;
}

.admin-nav-icon {
  width: 17px;
  flex: 0 0 17px;
  text-align: center;
  opacity: 0.68;
  filter: saturate(0.74);
}

.admin-nav-item:hover {
  background: rgba(245, 239, 230, 0.035) !important;
  border-color: transparent !important;
  color: var(--qb-fg-2) !important;
}

.admin-nav-item:hover .admin-nav-icon {
  opacity: 0.82;
}

.admin-nav-item.active {
  background: rgba(245, 239, 230, 0.045) !important;
  border-color: rgba(245, 239, 230, 0.055) !important;
  color: var(--qb-fg) !important;
  box-shadow: inset 3px 0 0 rgba(232, 201, 124, 0.62) !important;
}

.admin-nav-item.active .admin-nav-icon {
  opacity: 0.9;
  filter: saturate(0.88);
}

.api-provider-icon,
.settings-style-item-icon {
  background: rgba(245, 239, 230, 0.04) !important;
  color: var(--qb-fg-2) !important;
}

.admin-card h3,
.settings-card-primary h3,
.mai-runtime-card-title,
.bot-card-header,
.settings-style-list-head span,
.settings-style-kicker,
.api-keys-kicker,
.admin-detail-section-head strong,
.admin-ai-access-head strong {
  color: var(--qb-fg-3) !important;
}

.api-provider-links a,
.settings-style-item.active .settings-style-chevron,
.chat-runtime-icon {
  color: var(--qb-amber) !important;
}

#send-btn,
.mai-input-row button,
#container button.primary,
#topbar-controls button.primary,
.api-key-secondary,
.settings-style-list-head button {
  background: var(--qb-fg) !important;
  border-color: var(--qb-fg) !important;
  color: var(--qb-bg) !important;
  box-shadow: none !important;
}

#send-btn:hover,
.mai-input-row button:hover,
#container button.primary:hover,
#topbar-controls button.primary:hover,
.api-key-secondary:hover,
.settings-style-list-head button:hover {
  background: #fffaf1 !important;
  border-color: #fffaf1 !important;
  color: var(--qb-bg) !important;
}

.sidebar-primary-action,
#sidebar-nav .sidebar-primary-action {
  background: rgba(245, 239, 230, 0.04) !important;
  border-color: var(--qb-line-soft) !important;
  color: var(--qb-fg) !important;
}

.sidebar-primary-action:hover,
#sidebar-nav .sidebar-primary-action:hover {
  background: rgba(245, 239, 230, 0.065) !important;
  border-color: var(--qb-accent-line) !important;
}

.mai-env-pill,
.mai-env-indicator:hover .mai-env-pill,
.mai-env-pillbar .mai-env-text,
#set-styleGlobalHint {
  background: rgba(245, 239, 230, 0.03) !important;
  border-color: var(--qb-line-faint) !important;
  color: var(--qb-fg-3) !important;
}

/* AI Studio messages now intentionally share regular chat bubble language. */

.mai-msg {
  margin: 12px 0;
}

.mai-msg-a,
.mai-msg-b {
  align-items: flex-start;
}

.mai-msg-b {
  align-self: flex-start;
}

.mai-msg-user {
  align-self: flex-end;
  align-items: flex-end;
}

.mai-bubble,
.mai-msg-a .mai-bubble,
.mai-msg-b .mai-bubble {
  padding: 12px 15px;
  border: 1px solid var(--qb-line-faint) !important;
  border-radius: var(--qb-radius-md) !important;
  background: var(--qb-surface) !important;
  color: var(--qb-fg-2) !important;
  box-shadow: none !important;
  line-height: 1.62;
}

.mai-msg-user .mai-bubble {
  background: rgba(245, 239, 230, 0.055) !important;
  border-color: var(--qb-line-soft) !important;
  color: var(--qb-fg) !important;
  box-shadow: inset 2px 0 0 rgba(232, 201, 124, 0.46) !important;
}

.mai-msg-label,
.mai-msg-a .mai-msg-label,
.mai-msg-b .mai-msg-label,
.mai-msg-user .mai-msg-label {
  color: var(--qb-fg-4) !important;
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 10px;
  font-weight: 500;
  letter-spacing: 0.14em;
  line-height: 1.3;
  text-transform: uppercase;
}

.mai-thinking-name,
.mai-thinking-dots::after {
  color: var(--qb-fg-2);
}

.mai-env-indicator,
.mai-status,
.mai-meta,
.mai-session-bar {
  color: var(--qb-fg-4) !important;
}

.admin-usage-bar {
  background: var(--qb-fg-3) !important;
  opacity: 0.42;
}

.admin-user-status.active,
.key-connected {
  background: rgba(139, 170, 142, 0.09) !important;
  color: #bdd9c0 !important;
}

.admin-user-status.disabled,
.key-missing,
.admin-card-danger,
.admin-detail-danger {
  background: rgba(232, 152, 140, 0.055) !important;
  border-color: rgba(232, 152, 140, 0.18) !important;
}

/* Phase 3.2: surface cohesion cleanup. Structural areas stay neutral. */

#sidebar-footer,
.sidebar-footer-row,
.sidebar-utility-nav {
  background: var(--qb-bg-2) !important;
  box-shadow: none !important;
}

#sidebar-footer {
  border-top-color: var(--qb-line-faint) !important;
}

#sidebar-footer button,
.sidebar-utility-nav button,
.sidebar-support-link,
.user-bar-admin,
.user-bar-logout {
  background: transparent !important;
  border-color: transparent !important;
  box-shadow: none !important;
  color: var(--qb-fg-4);
}

#sidebar-footer button:hover,
.sidebar-utility-nav button:hover,
.sidebar-support-link:hover,
.sidebar-support-link:focus-visible,
.user-bar-admin:hover,
.user-bar-logout:hover {
  background: rgba(245, 239, 230, 0.045) !important;
  border-color: var(--qb-line-faint) !important;
  color: var(--qb-fg-3);
}

#right,
#panelContent,
#chat,
#mai-chat,
.mai-session-bar {
  background: var(--qb-bg) !important;
}

.mai-session-bar {
  border-bottom-color: var(--qb-line-faint) !important;
  box-shadow: none !important;
}

#mai-total-tokens {
  color: var(--qb-fg-4) !important;
}

/* Phase 3.3: Chat + AI Studio control cohesion. */

#chat-headerbar.ai-lab-header .mai-style-select,
#chat-headerbar.ai-lab-header .mai-orch-select,
.chat-style-select,
#topbar-controls select,
.mai-style-select,
.mai-orch-select,
.mai-ctrl-input,
#mai-providerA,
#mai-providerB,
#mai-modelA,
#mai-modelB,
#mai-botA-language,
#mai-botB-language,
.mai-runtime-card select,
.mai-bot-row select,
.bot-card select,
.settings-bot-col select,
#set-replyStyle,
#set-conversationHistory {
  min-height: 31px;
  border: 1px solid var(--qb-line-soft) !important;
  border-radius: 999px !important;
  background: rgba(245, 239, 230, 0.035) !important;
  color: var(--qb-fg-2) !important;
  box-shadow: none !important;
}

#chat-headerbar.ai-lab-header .mai-style-select:hover,
#chat-headerbar.ai-lab-header .mai-orch-select:hover,
.chat-style-select:hover,
#topbar-controls select:hover,
.mai-style-select:hover,
.mai-orch-select:hover,
.mai-ctrl-input:hover,
#mai-providerA:hover,
#mai-providerB:hover,
#mai-modelA:hover,
#mai-modelB:hover,
#mai-botA-language:hover,
#mai-botB-language:hover,
.mai-runtime-card select:hover,
.mai-bot-row select:hover,
.bot-card select:hover,
.settings-bot-col select:hover,
#set-replyStyle:hover,
#set-conversationHistory:hover {
  border-color: var(--qb-line-soft) !important;
  background: rgba(245, 239, 230, 0.05) !important;
  color: var(--qb-fg) !important;
}

#chat-headerbar.ai-lab-header .mai-style-select:focus,
#chat-headerbar.ai-lab-header .mai-orch-select:focus,
.chat-style-select:focus,
#topbar-controls select:focus,
.mai-style-select:focus,
.mai-orch-select:focus,
.mai-ctrl-input:focus,
#mai-providerA:focus,
#mai-providerB:focus,
#mai-modelA:focus,
#mai-modelB:focus,
#mai-botA-language:focus,
#mai-botB-language:focus,
.mai-runtime-card select:focus,
.mai-bot-row select:focus,
.bot-card select:focus,
.settings-bot-col select:focus,
#set-replyStyle:focus,
#set-conversationHistory:focus {
  border-color: rgba(232, 201, 124, 0.36) !important;
  background: rgba(245, 239, 230, 0.055) !important;
  box-shadow: 0 0 0 3px rgba(232, 201, 124, 0.075) !important;
}

#chat-headerbar.ai-lab-header .mai-style-select option,
#chat-headerbar.ai-lab-header .mai-orch-select option,
.chat-style-select option,
#topbar-controls select option,
.mai-style-select option,
.mai-orch-select option,
.mai-ctrl-input option,
#mai-providerA option,
#mai-providerB option,
#mai-modelA option,
#mai-modelB option,
#mai-botA-language option,
#mai-botB-language option,
.mai-runtime-card select option,
.mai-bot-row select option,
.bot-card select option,
.settings-bot-col select option,
#set-replyStyle option,
#set-conversationHistory option {
  background: var(--qb-bg-2) !important;
  color: var(--qb-fg-2) !important;
}

#prompt option:checked,
.chat-style-select option:checked,
#set-replyStyle option:checked,
#set-conversationHistory option:checked {
  background: rgba(232, 201, 124, 0.18) !important;
  color: var(--qb-fg) !important;
}

#admin-promptChat,
#admin-promptAilab1,
#admin-promptAilab2 {
  color-scheme: dark;
  min-height: 31px;
  border: 1px solid var(--qb-line-soft) !important;
  border-radius: 999px !important;
  background: rgba(245, 239, 230, 0.035) !important;
  color: var(--qb-fg-2) !important;
  box-shadow: none !important;
}

#admin-promptChat:hover,
#admin-promptAilab1:hover,
#admin-promptAilab2:hover {
  border-color: var(--qb-line-soft) !important;
  background: rgba(245, 239, 230, 0.05) !important;
  color: var(--qb-fg) !important;
}

#admin-promptChat:focus,
#admin-promptAilab1:focus,
#admin-promptAilab2:focus {
  border-color: rgba(232, 201, 124, 0.36) !important;
  background: rgba(245, 239, 230, 0.055) !important;
  box-shadow: 0 0 0 3px rgba(232, 201, 124, 0.075) !important;
}

#admin-promptChat option,
#admin-promptAilab1 option,
#admin-promptAilab2 option {
  color-scheme: dark;
  background: var(--qb-bg-2) !important;
  color: var(--qb-fg-2) !important;
}

#admin-promptChat option:hover,
#admin-promptAilab1 option:hover,
#admin-promptAilab2 option:hover,
#admin-promptChat option:checked,
#admin-promptAilab1 option:checked,
#admin-promptAilab2 option:checked {
  background: #2a261d !important;
  color: var(--qb-fg) !important;
}

.mai-mobile-quick-controls.visible,
.mai-session-control,
.mai-session-control-rounds {
  background: var(--qb-bg) !important;
  box-shadow: none !important;
}

.mai-mobile-quick-controls.visible {
  border-color: var(--qb-line-faint) !important;
}

.mai-session-control {
  border-color: transparent !important;
}

#input-area {
  align-items: flex-start;
}

#input-area .chat-composer-main,
.mai-input-row {
  align-items: stretch;
}

.mai-input-row {
  gap: 8px;
}

.mai-input-row input[type="text"] {
  height: 44px;
  min-height: 44px;
  box-sizing: border-box;
  border-radius: var(--qb-radius-md) !important;
}

#send-btn,
.mai-input-row button {
  background: rgba(138, 101, 43, 0.9) !important;
  border-color: transparent !important;
  color: var(--qb-fg) !important;
  box-shadow: none !important;
}

#send-btn {
  margin-top: 41px !important;
}

.mai-input-row button {
  height: 44px;
  box-sizing: border-box;
  align-self: stretch;
  border-radius: var(--qb-radius-md) !important;
  padding-block: 0 !important;
}

/* =====================================================
   Phase 2A — Surface Hierarchy
   Lift canvas, soften composer, align dividers.
===================================================== */

/* Message canvas: subtle graphite lift reduces the pure-black void */
#chat,
#mai-chat {
  background: #111110 !important;
}

/* =====================================================
   Phase 2B — Typography Rhythm
   Soften utility weight, align labels to warm tokens.
===================================================== */

/* Utility nav buttons: lighter weight, less visual mass */
.sidebar-utility-nav button {
  font-weight: 600;
}

/* Ctrl labels: warm system token instead of legacy cool-gray */
.ctrl-label {
  color: var(--qb-fg-4);
}

#send-btn:hover,
.mai-input-row button:hover {
  background: rgba(156, 113, 47, 0.94) !important;
  border-color: transparent !important;
  color: #fff8ed !important;
}

#send-btn:focus-visible,
.mai-input-row button:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(232, 201, 124, 0.12) !important;
}

#send-btn:disabled,
.mai-input-row button:disabled {
  background: rgba(245, 239, 230, 0.035) !important;
  border-color: transparent !important;
  color: var(--qb-fg-4) !important;
  box-shadow: none !important;
}

@media (max-width: 900px) {
  #send-btn {
    margin-top: 51px !important;
  }
}

/* Phase 3.4: compact composer rhythm. */

#input-area {
  gap: 8px !important;
  padding: 8px 12px 10px !important;
}

#input-area .chat-composer-main {
  gap: 5px !important;
}

#input-area textarea#message {
  height: 68px !important;
  min-height: 68px !important;
  padding: 9px 12px !important;
}

.message-char-status {
  min-height: 12px !important;
  font-size: 10px !important;
  line-height: 1.15 !important;
  color: rgba(117, 108, 98, 0.58) !important;
}

.message-char-status.is-warning {
  color: rgba(232, 201, 124, 0.62) !important;
}

.message-char-status.is-over {
  color: rgba(232, 152, 140, 0.76) !important;
}

#send-btn {
  height: 68px !important;
  min-height: 68px !important;
  margin-top: 38px !important;
  background: rgba(210, 197, 178, 0.88) !important;
  color: #201d18 !important;
}

.mai-input-area {
  padding: 8px 14px 9px !important;
}

.mai-input-row {
  align-items: stretch !important;
  min-height: 40px;
}

.mai-input-row input[type="text"],
.mai-input-row button {
  height: 40px !important;
  min-height: 40px !important;
}

.mai-input-row button {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  margin-top: 0 !important;
  transform: none;
  background: rgba(210, 197, 178, 0.88) !important;
  color: #201d18 !important;
}

#send-btn:hover,
.mai-input-row button:hover {
  background: rgba(224, 211, 191, 0.94) !important;
  color: #17140f !important;
}

#send-btn:disabled,
.mai-input-row button:disabled {
  background: rgba(245, 239, 230, 0.035) !important;
  color: var(--qb-fg-4) !important;
}

@media (max-width: 900px) {
  #input-area {
    padding: 8px 10px calc(10px + env(safe-area-inset-bottom, 0px)) !important;
  }

  #input-area textarea#message {
    height: 76px !important;
    min-height: 76px !important;
    padding: 13px 15px !important;
  }

  #send-btn {
    width: 76px !important;
    height: 76px !important;
    min-height: 76px !important;
    margin-top: 48px !important;
    font-size: 17px !important;
  }
}

body.ai-studio-mode #send-btn {
  margin-top: 0 !important;
}

/* Admin usage: give collapsible descriptions breathing room below headers. */

.admin-card-collapsible .admin-collapsible-body {
  padding-top: 14px !important;
}

.admin-card-collapsible .admin-collapsible-body > .admin-desc:first-child {
  margin-top: 0 !important;
  margin-bottom: 16px !important;
}

/* iPhone AI Studio: prevent native select clipping and group compact controls. */

@media (max-width: 900px) {
  #chat-headerbar.ai-lab-header #profile,
  #chat-headerbar.ai-lab-header .mai-style-select,
  #chat-headerbar.ai-lab-header .mai-orch-select {
    box-sizing: border-box !important;
    line-height: normal !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }

  #chat-headerbar.ai-lab-header #profile,
  #chat-headerbar.ai-lab-header .mai-style-select {
    height: 52px !important;
    min-height: 52px !important;
    padding-left: 22px !important;
    padding-right: 42px !important;
  }

  #chat-headerbar.ai-lab-header .mai-orch-select {
    height: 46px !important;
    min-height: 46px !important;
    padding-left: 22px !important;
    padding-right: 42px !important;
  }

  .mai-mobile-quick-controls.visible {
    justify-content: flex-start !important;
    gap: 8px 12px !important;
  }

  .mai-session-control,
  .mai-session-control-rounds {
    flex: 0 0 auto !important;
  }

  .mai-session-control-rounds {
    margin-left: 4px !important;
  }

  #chat-headerbar:not(.ai-lab-header) #profile,
  #chat-headerbar:not(.ai-lab-header) .chat-style-select {
    box-sizing: border-box !important;
    height: 52px !important;
    min-height: 52px !important;
    line-height: normal !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
    padding-left: 18px !important;
    padding-right: 38px !important;
  }
}

.sidebar-mobile-controls {
  display: none;
}

@media (max-width: 900px) {
  .sidebar-mobile-controls:not([hidden]) {
    display: grid !important;
    gap: 12px;
    padding: 10px 0 12px;
    border-bottom: 1px solid var(--qb-line-faint);
  }

  .sidebar-mobile-control-group {
    display: grid;
    gap: 7px;
  }

  .sidebar-mobile-control-label {
    color: var(--qb-fg-4);
    font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
    font-size: 10px;
    font-weight: 500;
    letter-spacing: 0.14em;
    line-height: 1.2;
    text-transform: uppercase;
  }

  .sidebar-mobile-control-slot {
    display: grid;
    gap: 8px;
  }

  #sidebar-profile-slot #profile,
  #sidebar-studio-mode-slot #mai-orchestration {
    width: 100% !important;
    max-width: none !important;
    height: 46px !important;
    min-height: 46px !important;
    box-sizing: border-box !important;
    padding: 0 38px 0 16px !important;
    border: 1px solid var(--qb-line-soft) !important;
    border-radius: 999px !important;
    background: rgba(245, 239, 230, 0.035) !important;
    color: var(--qb-fg-2) !important;
    font-size: 16px !important;
    line-height: normal !important;
  }

  #sidebar-studio-quick-slot .mai-mobile-quick-controls.visible {
    display: flex !important;
    align-items: center !important;
    justify-content: flex-start !important;
    gap: 8px !important;
    width: 100% !important;
    min-height: 0 !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
  }

  #sidebar-studio-quick-slot .mai-session-control {
    gap: 7px !important;
    min-height: 38px !important;
    padding: 0 !important;
    border: 0 !important;
    background: transparent !important;
  }

  #sidebar-studio-quick-slot .mai-session-control-rounds {
    margin-left: 0 !important;
  }

  #sidebar-studio-quick-slot .mai-session-control-rounds .mai-mobile-control-label {
    display: inline-flex !important;
  }

  #chat-headerbar:not(.ai-lab-header) .chat-style-topbar {
    flex: 1 1 auto !important;
  }

  #chat-headerbar.ai-lab-header .mai-style-topbar {
    order: 2 !important;
    flex: 1 1 100% !important;
    width: 100% !important;
  }

  #chat-headerbar.ai-lab-header .mai-orch-select {
    flex: 1 1 auto !important;
  }
}

/* AI Studio layout regressions: restore alternating bubbles and single-surface rounds. */

.mai-msg-a {
  align-self: flex-start !important;
  align-items: flex-start !important;
}

.mai-msg-b {
  align-self: flex-end !important;
  align-items: flex-end !important;
}

.mai-msg-user {
  align-self: flex-end !important;
  align-items: flex-end !important;
}

.mai-round-stepper {
  display: inline-flex !important;
  align-items: center !important;
  height: 40px !important;
  min-height: 40px !important;
  overflow: visible !important;
  border: 0 !important;
  border-radius: 0 !important;
  background: transparent !important;
  box-shadow: none !important;
}

.mai-round-stepper .mai-ctrl-input,
.mai-round-stepper select.mai-ctrl-input,
#mai-maxRounds {
  width: 62px !important;
  min-width: 62px !important;
  height: 40px !important;
  min-height: 40px !important;
  box-sizing: border-box !important;
  margin: 0 !important;
  padding: 0 28px 0 16px !important;
  border: 1px solid var(--qb-line-soft) !important;
  border-radius: 999px !important;
  background: rgba(245, 239, 230, 0.035) !important;
  color: var(--qb-fg-2) !important;
  box-shadow: none !important;
  line-height: normal !important;
}

.mai-session-control-rounds {
  align-items: center !important;
  gap: 8px !important;
}

/* Gear is an icon action, not a framed control. */
#topbar-gear {
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  min-width: 40px !important;
  min-height: 40px !important;
  padding: 0 !important;
  border-color: transparent !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--qb-fg-3) !important;
}

#topbar-gear:hover,
#topbar-gear:focus-visible {
  border-color: transparent !important;
  background: transparent !important;
  box-shadow: none !important;
  color: var(--qb-fg-1) !important;
}

/* Mobile top bar: one composed row for Chat and AI Studio. */

@media (max-width: 900px) {
  #chat-headerbar,
  #chat-headerbar.ai-lab-header {
    display: flex !important;
    flex-wrap: nowrap !important;
    align-items: center !important;
    align-content: center !important;
    gap: 8px !important;
    min-height: 64px !important;
    padding: calc(6px + env(safe-area-inset-top, 0px)) 10px 6px !important;
  }

  #hamburger,
  #topbar-gear {
    width: 52px !important;
    height: 52px !important;
    min-width: 52px !important;
    min-height: 52px !important;
    flex: 0 0 52px !important;
    margin: 0 !important;
    padding: 0 !important;
  }

  #chat-headerbar:not(.ai-lab-header) .chat-style-topbar,
  #chat-headerbar.ai-lab-header .mai-style-topbar {
    order: 0 !important;
    flex: 1 1 auto !important;
    width: auto !important;
    min-width: 0 !important;
    max-width: none !important;
  }

  #chat-headerbar.ai-lab-header .mai-style-topbar {
    display: flex !important;
    flex-wrap: nowrap !important;
    gap: 8px !important;
  }

  #chat-headerbar:not(.ai-lab-header) .chat-style-select,
  #chat-headerbar.ai-lab-header .mai-style-select {
    height: 52px !important;
    min-height: 52px !important;
    min-width: 0 !important;
    max-width: none !important;
    box-sizing: border-box !important;
    line-height: normal !important;
    margin: 0 !important;
    padding-top: 0 !important;
    padding-bottom: 0 !important;
  }

  #chat-headerbar:not(.ai-lab-header) .chat-style-select {
    width: 100% !important;
    padding-left: 18px !important;
    padding-right: 38px !important;
    font-size: 17px !important;
  }

  #chat-headerbar.ai-lab-header .mai-style-select {
    flex: 1 1 0 !important;
    width: auto !important;
    padding-left: 14px !important;
    padding-right: 30px !important;
    font-size: 15px !important;
  }

  #chat-headerbar.ai-lab-header .mai-orch-select {
    flex: initial !important;
  }

  #chat,
  #mai-chat {
    padding-top: 10px !important;
  }
}

/* Mobile regular chat typography: match AI Studio's reading rhythm. */
@media screen and (max-width: 900px),
  screen and (max-device-width: 480px),
  screen and (hover: none) and (pointer: coarse) and (max-width: 1100px) {
  #chat .msg {
    margin: 12px 0 19px !important;
  }

  #chat .msg .bubble,
  #chat .msg.user .bubble.user,
  #chat .msg.assistant .bubble.assistant {
    padding: 17px 19px !important;
    font-size: 20px !important;
    line-height: 1.7 !important;
  }

  #chat .history-content {
    font-size: 20px !important;
    line-height: 1.7 !important;
  }

  #chat .history-content p {
    margin: 0 0 0.9em !important;
    font-size: inherit !important;
    line-height: inherit !important;
  }

  #chat .history-content p:last-child {
    margin-bottom: 0 !important;
  }

  #chat .history-meta {
    gap: 8px !important;
    margin-bottom: 10px !important;
    line-height: 1.3 !important;
  }

  #chat .history-label,
  #chat .history-time {
    font-size: 13px !important;
    line-height: 1.3 !important;
  }

  #chat .timestamp,
  #chat .message-time,
  #chat .meta,
  #chat .chat-history-hint,
  #chat .token-badge {
    font-size: 13px !important;
    line-height: 1.35 !important;
  }
}

/* Phase 1 UI unification: bring the core app shell closer to the newer admin language. */

#container:not(.hidden) {
  background:
    radial-gradient(circle at 18% 0%, rgba(232, 201, 124, 0.018), transparent 28%),
    var(--qb-bg) !important;
}

#container:not(.hidden) #sidebar {
  background: rgba(20, 20, 19, 0.985) !important;
  border-right-color: rgba(245, 239, 230, 0.055) !important;
}

#container:not(.hidden) #chat-col,
#container:not(.hidden) #right {
  background: var(--qb-bg) !important;
}

#chat-headerbar {
  min-height: 52px;
  padding: 8px 12px !important;
  background: rgba(15, 15, 14, 0.985) !important;
  border-bottom-color: rgba(245, 239, 230, 0.055) !important;
}

.sidebar-brand {
  min-height: 86px;
  padding-inline: 18px !important;
  border-bottom-color: rgba(245, 239, 230, 0.055) !important;
  background: rgba(20, 20, 19, 0.985) !important;
}

.sidebar-brand-text {
  color: var(--qb-fg) !important;
  font-size: 17px !important;
  font-weight: 720 !important;
  letter-spacing: -0.02em;
}

#sidebar-nav {
  padding: 12px 10px 10px !important;
  gap: 5px !important;
}

.sidebar-workspace-actions {
  padding: 6px 6px 10px !important;
}

#sidebar-nav .workspace-switcher {
  padding: 3px !important;
  border-color: rgba(245, 239, 230, 0.07) !important;
  background: rgba(245, 239, 230, 0.02) !important;
  box-shadow: none !important;
}

#sidebar-nav .workspace-switcher button {
  min-height: 31px;
  color: var(--qb-fg-3) !important;
  font-size: 12px !important;
  font-weight: 650 !important;
}

#sidebar-nav .workspace-switcher button.active {
  background: rgba(245, 239, 230, 0.07) !important;
  color: var(--qb-fg) !important;
  box-shadow: inset 0 0 0 1px rgba(232, 201, 124, 0.16) !important;
}

.sidebar-primary-action,
#sidebar-nav .sidebar-primary-action {
  min-height: 42px !important;
  border-radius: 11px !important;
  background: rgba(245, 239, 230, 0.03) !important;
  border-color: rgba(245, 239, 230, 0.075) !important;
  color: var(--qb-fg) !important;
  font-size: 13px !important;
  font-weight: 720 !important;
  letter-spacing: -0.01em;
}

.sidebar-primary-action:hover,
#sidebar-nav .sidebar-primary-action:hover {
  background: rgba(245, 239, 230, 0.055) !important;
  border-color: rgba(232, 201, 124, 0.22) !important;
}

.chat-session-list-wrap {
  padding: 4px 6px 12px !important;
}

.chat-session-list {
  gap: 4px !important;
}

.chat-session-row {
  min-height: 42px !important;
  border-radius: 10px !important;
  border-color: transparent !important;
  background: transparent !important;
  box-shadow: none !important;
}

.chat-session-row:hover {
  background: rgba(245, 239, 230, 0.025) !important;
  border-color: transparent !important;
}

.chat-session-row.active {
  background: rgba(245, 239, 230, 0.042) !important;
  border-color: rgba(245, 239, 230, 0.055) !important;
  box-shadow: inset 3px 0 0 rgba(232, 201, 124, 0.58) !important;
}

.chat-session-open {
  padding: 8px 10px !important;
  border-radius: 10px !important;
}

.chat-session-title {
  color: var(--qb-fg-2) !important;
  font-size: 13px !important;
  font-weight: 650 !important;
}

.chat-session-row.active .chat-session-title {
  color: var(--qb-fg) !important;
}

.chat-session-icon,
.chat-session-delete {
  color: rgba(168, 158, 145, 0.72) !important;
}

#sidebar-footer {
  padding: 14px 14px 16px !important;
  background: rgba(20, 20, 19, 0.985) !important;
}

#sidebar-footer .sidebar-footer-title,
#sidebar-footer strong {
  color: var(--qb-fg-3) !important;
}

#chat-headerbar:not(.ai-lab-header) #profile,
#chat-headerbar:not(.ai-lab-header) .chat-style-select,
.chat-runtime-pill,
#container select {
  border-color: rgba(245, 239, 230, 0.075) !important;
  background: rgba(245, 239, 230, 0.028) !important;
  color: var(--qb-fg-2) !important;
}

#chat-headerbar:not(.ai-lab-header) #profile:hover,
#chat-headerbar:not(.ai-lab-header) .chat-style-select:hover,
.chat-runtime-pill:hover,
#container select:hover {
  border-color: rgba(245, 239, 230, 0.13) !important;
  background: rgba(245, 239, 230, 0.045) !important;
  color: var(--qb-fg) !important;
}

#input-area {
  background:
    linear-gradient(180deg, rgba(15, 15, 14, 0.96), rgba(21, 19, 17, 0.98)) !important;
  border-top-color: rgba(245, 239, 230, 0.055) !important;
}

#input-area textarea#message {
  border-color: rgba(245, 239, 230, 0.075) !important;
  background: rgba(245, 239, 230, 0.052) !important;
  color: var(--qb-fg) !important;
}

#input-area textarea#message:focus {
  border-color: rgba(232, 201, 124, 0.34) !important;
  background: rgba(245, 239, 230, 0.068) !important;
  box-shadow: 0 0 0 3px rgba(232, 201, 124, 0.06) !important;
}

#send-btn {
  background: rgba(215, 203, 185, 0.9) !important;
  color: #181510 !important;
}

#send-btn:hover {
  background: rgba(230, 217, 198, 0.96) !important;
  color: #15120e !important;
}

.settings-page {
  background: var(--qb-bg) !important;
}

.settings-shell {
  gap: 28px !important;
}

.settings-nav,
.settings-content,
.settings-section,
.settings-card-primary,
.settings-usage-summary,
.api-keys-hero,
.api-provider-card {
  background: rgba(20, 20, 19, 0.96) !important;
  border-color: rgba(245, 239, 230, 0.06) !important;
  box-shadow: none !important;
}

.settings-nav-item {
  min-height: 42px !important;
  border-radius: 10px !important;
  color: var(--qb-fg-3) !important;
}

.settings-nav-item.active {
  color: var(--qb-fg) !important;
}

.settings-page-title {
  color: var(--qb-fg) !important;
  font-weight: 680 !important;
  letter-spacing: -0.035em !important;
}

.settings-section > h3,
.settings-card-primary h3,
.api-keys-kicker {
  color: var(--qb-fg-4) !important;
  font-family: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 11px !important;
  letter-spacing: 0.18em !important;
  text-transform: uppercase;
}

@media screen and (max-width: 900px),
  screen and (max-device-width: 480px),
  screen and (hover: none) and (pointer: coarse) and (max-width: 1100px) {
  #chat-headerbar,
  #chat-headerbar.ai-lab-header {
    min-height: 64px !important;
    padding: calc(6px + env(safe-area-inset-top, 0px)) 10px 6px !important;
  }

  .sidebar-brand {
    min-height: calc(78px + env(safe-area-inset-top, 0px)) !important;
    padding-top: calc(18px + env(safe-area-inset-top, 0px)) !important;
  }

  #sidebar-nav {
    padding: 10px 10px 8px !important;
  }

  .settings-shell {
    gap: 18px !important;
  }
}

/* Phase 1.1: stronger neutral graphite shell alignment with the newer admin pages. */

:root {
  --qb-bg: #0b0c0b;
  --qb-bg-2: #111110;
  --qb-bg-3: #171716;
  --qb-bg-4: #1e1d1b;
  --qb-surface: rgba(22, 22, 21, 0.96);
  --qb-surface-raised: rgba(28, 27, 25, 0.96);
  --qb-surface-hover: rgba(36, 35, 33, 0.86);
  --qb-surface-active: rgba(42, 39, 34, 0.72);
  --qb-line: rgba(235, 231, 224, 0.08);
  --qb-line-soft: rgba(235, 231, 224, 0.055);
  --qb-line-faint: rgba(235, 231, 224, 0.035);
  --qb-fg: #f0ede7;
  --qb-fg-2: #d3cdc4;
  --qb-fg-3: #9f978c;
  --qb-fg-4: #706a61;
}

body:has(#container:not(.hidden)) {
  background: #0b0c0b !important;
}

#container:not(.hidden),
#container:not(.hidden) #chat-col,
#container:not(.hidden) #right,
#chat,
#mai-chat,
#panelContent {
  background: #0b0c0b !important;
}

#container:not(.hidden) #sidebar,
.sidebar-brand,
#sidebar-footer {
  background: #111110 !important;
}

#container:not(.hidden) #sidebar {
  border-right-color: rgba(235, 231, 224, 0.045) !important;
}

.sidebar-brand,
#sidebar-footer,
#chat-headerbar,
#input-area {
  border-color: rgba(235, 231, 224, 0.045) !important;
}

#chat-headerbar {
  background: #10100f !important;
}

.sidebar-brand {
  min-height: 78px !important;
}

.sidebar-brand-text {
  color: #f0ede7 !important;
  font-size: 16px !important;
}

#sidebar-nav {
  background: #111110 !important;
}

#sidebar-nav .workspace-switcher {
  background: rgba(235, 231, 224, 0.018) !important;
  border-color: rgba(235, 231, 224, 0.055) !important;
}

#sidebar-nav .workspace-switcher button.active {
  background: rgba(235, 231, 224, 0.065) !important;
  border: 1px solid rgba(232, 201, 124, 0.18) !important;
  color: #f0ede7 !important;
}

.sidebar-primary-action,
#sidebar-nav .sidebar-primary-action {
  background: rgba(235, 231, 224, 0.018) !important;
  border-color: rgba(235, 231, 224, 0.055) !important;
  box-shadow: none !important;
}

.sidebar-primary-action:hover,
#sidebar-nav .sidebar-primary-action:hover {
  background: rgba(235, 231, 224, 0.04) !important;
  border-color: rgba(232, 201, 124, 0.17) !important;
}

.chat-session-list-wrap {
  padding-top: 8px !important;
}

.chat-session-row {
  background: transparent !important;
  border-color: transparent !important;
}

.chat-session-open {
  color: #bdb6ad !important;
}

.chat-session-row:hover {
  background: rgba(235, 231, 224, 0.022) !important;
}

.chat-session-row.active {
  background: rgba(235, 231, 224, 0.038) !important;
  border-color: rgba(235, 231, 224, 0.055) !important;
  box-shadow: inset 3px 0 0 rgba(232, 201, 124, 0.52) !important;
}

#sidebar-footer {
  box-shadow: inset 0 1px 0 rgba(235, 231, 224, 0.028) !important;
}

.sidebar-account {
  background: transparent !important;
  border-color: transparent !important;
}

.sidebar-utility-nav button,
#sidebar-footer button,
.sidebar-support-link {
  color: #858079 !important;
}

.sidebar-utility-nav button:hover,
#sidebar-footer button:hover,
.sidebar-support-link:hover {
  background: rgba(235, 231, 224, 0.032) !important;
  color: #bdb6ad !important;
}

#chat-headerbar:not(.ai-lab-header) #profile,
#chat-headerbar:not(.ai-lab-header) .chat-style-select,
#topbar-controls select,
.chat-runtime-pill,
#container select {
  background: rgba(235, 231, 224, 0.026) !important;
  border-color: rgba(235, 231, 224, 0.06) !important;
  color: #d3cdc4 !important;
}

#chat-headerbar:not(.ai-lab-header) #profile:hover,
#chat-headerbar:not(.ai-lab-header) .chat-style-select:hover,
#topbar-controls select:hover,
.chat-runtime-pill:hover,
#container select:hover {
  background: rgba(235, 231, 224, 0.04) !important;
  border-color: rgba(235, 231, 224, 0.1) !important;
}

.chat-runtime-icon {
  color: rgba(232, 201, 124, 0.82) !important;
}

.msg {
  margin-block: 12px !important;
}

.bubble,
.history-item,
.mai-bubble {
  background: rgba(23, 23, 22, 0.96) !important;
  border: 1px solid rgba(235, 231, 224, 0.052) !important;
  box-shadow: none !important;
  color: #ddd7cf !important;
}

.bubble.assistant,
.history-item.assistant,
.mai-msg-a .mai-bubble,
.mai-msg-b .mai-bubble {
  background: rgba(22, 22, 21, 0.96) !important;
}

.bubble.user,
.history-item.user,
.mai-msg-user .mai-bubble {
  background: rgba(30, 29, 27, 0.95) !important;
  border-color: rgba(232, 201, 124, 0.13) !important;
  box-shadow: inset 2px 0 0 rgba(232, 201, 124, 0.42) !important;
  color: #f0ede7 !important;
}

.history-label,
.mai-msg-label {
  color: rgba(159, 151, 140, 0.78) !important;
}

.history-time,
.mai-meta,
.chat-history-hint,
.message-char-status {
  color: rgba(112, 106, 97, 0.72) !important;
}

#input-area {
  background: #111110 !important;
  box-shadow: inset 0 1px 0 rgba(235, 231, 224, 0.035) !important;
}

#input-area textarea#message {
  background: rgba(14, 14, 13, 0.74) !important;
  border-color: rgba(235, 231, 224, 0.065) !important;
  color: #f0ede7 !important;
}

#input-area textarea#message::placeholder {
  color: rgba(159, 151, 140, 0.64) !important;
}

#input-area textarea#message:focus {
  background: rgba(20, 20, 19, 0.88) !important;
  border-color: rgba(232, 201, 124, 0.28) !important;
  box-shadow: 0 0 0 3px rgba(232, 201, 124, 0.055) !important;
}

#send-btn {
  background: rgba(205, 191, 171, 0.92) !important;
  color: #1b1712 !important;
}

#send-btn:hover {
  background: rgba(222, 207, 185, 0.97) !important;
}

.settings-page,
.settings-scroll-content {
  background: #0b0c0b !important;
}

.settings-nav,
.settings-content,
.settings-section,
.settings-card-primary,
.settings-usage-summary,
.api-keys-hero,
.api-provider-card {
  background: rgba(17, 17, 16, 0.95) !important;
  border-color: rgba(235, 231, 224, 0.05) !important;
}

.settings-nav-item,
.settings-style-item,
.memory-item {
  background: transparent !important;
  border-color: transparent !important;
}

.settings-nav-item:hover,
.settings-style-item:hover,
.memory-item:hover {
  background: rgba(235, 231, 224, 0.032) !important;
}

.settings-nav-item.active,
.settings-style-item.active {
  background: rgba(235, 231, 224, 0.045) !important;
  border-color: rgba(235, 231, 224, 0.055) !important;
}

@media screen and (max-width: 900px),
  screen and (max-device-width: 480px),
  screen and (hover: none) and (pointer: coarse) and (max-width: 1100px) {
  .sidebar-brand {
    min-height: calc(74px + env(safe-area-inset-top, 0px)) !important;
  }
}