/**
 * Mentis page styles — built on QMF design tokens.
 * Load after https://ui.quizzman.com/qmf/v3/tokens.css
 */

:root,
[data-theme="light"] {
  --mentis-accent: #0f766e;
  --mentis-accent-soft: rgba(15, 118, 110, 0.12);
  --mentis-paper: var(--qmf-bg-secondary, #f9fafb);
  --mentis-surface: var(--qmf-bg-primary, #ffffff);
  --mentis-ink: var(--qmf-text-primary, #111827);
  --mentis-muted: var(--qmf-text-secondary, #4b5563);
  --mentis-faint: var(--qmf-text-muted, #9ca3af);
  --mentis-line: var(--qmf-border-color, #e5e7eb);
  --mentis-shadow: var(--qmf-shadow-md, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
  --mentis-radius: var(--qmf-radius-xl, 0.75rem);
  --mentis-radius-sm: var(--qmf-radius-lg, 0.5rem);
}

[data-theme="dark"] {
  --mentis-accent: #2dd4bf;
  --mentis-accent-soft: rgba(45, 212, 191, 0.14);
  --mentis-paper: var(--qmf-color-gray-950, #030712);
  --mentis-surface: var(--qmf-color-gray-900, #111827);
  --mentis-ink: var(--qmf-color-gray-50, #f9fafb);
  --mentis-muted: var(--qmf-color-gray-400, #9ca3af);
  --mentis-faint: var(--qmf-color-gray-500, #6b7280);
  --mentis-line: var(--qmf-color-gray-800, #1f2937);
  --mentis-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  overflow-x: hidden;
}

.mentis-body {
  font-family: "IBM Plex Sans", system-ui, sans-serif;
  color: var(--mentis-ink);
  background: var(--mentis-paper);
  -webkit-font-smoothing: antialiased;
}

button, input, textarea {
  font: inherit;
  color: inherit;
}

.app {
  min-height: calc(100vh - var(--qmf-header-height, 64px));
}

.app[data-boot="pending"] .boot-veil {
  display: grid;
  place-items: center;
  min-height: 40vh;
  color: var(--mentis-muted);
  font-size: 0.92rem;
}

.boot-error {
  max-width: 28rem;
  margin: 12vh auto;
  padding: var(--qmf-space-6, 1.5rem);
  text-align: center;
}

.shell {
  width: min(960px, calc(100% - 2rem));
  margin: 0 auto;
  padding: var(--qmf-space-3, 0.75rem) 0 var(--qmf-space-5, 1.25rem);
}

/* Compact workspace intro */

.intro {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--qmf-space-3, 0.75rem);
  margin-bottom: var(--qmf-space-3, 0.75rem);
}

.intro-copy {
  min-width: 0;
}

.intro-kicker {
  margin: 0 0 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mentis-accent);
}

.intro-title {
  margin: 0;
  font-size: clamp(1.25rem, 2vw, 1.55rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.intro-lead {
  margin: 0.3rem 0 0;
  color: var(--mentis-muted);
  font-size: 0.9rem;
  line-height: 1.4;
  max-width: 34rem;
}

.pulse {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  justify-content: flex-end;
  flex-shrink: 0;
}

.pulse-card {
  min-width: 4.6rem;
  padding: 0.45rem 0.6rem;
  border: 1px solid var(--mentis-line);
  border-radius: var(--mentis-radius-sm);
  background: var(--mentis-surface);
  box-shadow: var(--qmf-shadow-sm, none);
  text-align: center;
}

.pulse-value {
  display: block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--mentis-accent);
  line-height: 1.1;
}

.pulse-label {
  display: block;
  margin-top: 0.1rem;
  font-size: 0.65rem;
  color: var(--mentis-faint);
}

@media (max-width: 760px) {
  .intro {
    flex-direction: column;
    align-items: stretch;
  }
  .pulse { justify-content: flex-start; }
}

/* Spotlight */

.spotlight {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  width: 100%;
  margin-bottom: var(--qmf-space-4, 1rem);
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--mentis-line);
  border-radius: var(--mentis-radius);
  background: var(--mentis-surface);
  box-shadow: var(--mentis-shadow);
  cursor: text;
  text-align: left;
}

.spotlight:hover,
.spotlight:focus-visible {
  border-color: color-mix(in srgb, var(--mentis-accent) 40%, var(--mentis-line));
  box-shadow: var(--mentis-shadow), 0 0 0 3px var(--mentis-accent-soft);
  outline: none;
}

.spotlight-label {
  flex: 1;
  color: var(--mentis-faint);
  font-size: 0.98rem;
  font-weight: 500;
}

.spotlight-kbd {
  font-size: 0.72rem;
  font-weight: 650;
  color: var(--mentis-muted);
  border: 1px solid var(--mentis-line);
  border-radius: 8px;
  padding: 0.2rem 0.4rem;
  background: var(--mentis-paper);
}

/* Sections */

.stack {
  display: grid;
  gap: var(--qmf-space-4, 1rem);
}

.section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.55rem;
}

.section-head h2 {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mentis-faint);
}

.section-head .hint {
  font-size: 0.78rem;
  color: var(--mentis-muted);
}

.stream {
  display: flex;
  gap: 0.65rem;
  overflow-x: auto;
  padding-bottom: 0.2rem;
  scroll-snap-type: x mandatory;
}

.stream-card {
  flex: 0 0 min(200px, 70vw);
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  min-height: 5.6rem;
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--mentis-line);
  border-radius: var(--mentis-radius);
  background: var(--mentis-surface);
  cursor: pointer;
  text-align: left;
}

.stream-card:hover,
.stream-card:focus-visible {
  border-color: color-mix(in srgb, var(--mentis-accent) 35%, var(--mentis-line));
  outline: none;
}

.stream-kind {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mentis-accent);
}

.stream-title {
  font-size: 0.95rem;
  font-weight: 650;
  letter-spacing: -0.015em;
  line-height: 1.3;
}

.stream-meta {
  margin-top: auto;
  font-size: 0.75rem;
  color: var(--mentis-muted);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.65rem;
}

@media (max-width: 760px) {
  .grid-3 { grid-template-columns: 1fr; }
}

.tile {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.2rem;
  text-align: left;
  border: 1px solid var(--mentis-line);
  background: var(--mentis-surface);
  border-radius: var(--mentis-radius-sm);
  padding: 0.8rem 0.85rem;
  cursor: pointer;
}

.tile:hover,
.tile:focus-visible {
  border-color: color-mix(in srgb, var(--mentis-accent) 35%, var(--mentis-line));
  outline: none;
}

.tile-title {
  font-weight: 650;
  font-size: 0.92rem;
}

.tile-meta {
  font-size: 0.76rem;
  color: var(--mentis-muted);
}

.tile-cta {
  margin-top: 0.25rem;
  font-size: 0.75rem;
  font-weight: 650;
  color: var(--mentis-accent);
}

.progress {
  width: 100%;
  height: 3px;
  border-radius: 999px;
  background: var(--mentis-line);
  margin-top: 0.35rem;
  overflow: hidden;
}

.progress > span {
  display: block;
  height: 100%;
  background: var(--mentis-accent);
}

/* Compact AI row */

.ai-panel {
  border: 1px solid var(--mentis-line);
  background: var(--mentis-surface);
  border-radius: var(--mentis-radius);
  padding: 0.85rem 0.95rem;
}

.ai-panel h3 {
  margin: 0 0 0.55rem;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--mentis-faint);
}

.ai-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 0.5rem;
  align-items: center;
}

@media (max-width: 640px) {
  .ai-row { grid-template-columns: 1fr; }
}

.ai-modes {
  display: flex;
  gap: 0.3rem;
  flex-wrap: wrap;
}

.ai-modes button {
  border: 1px solid var(--mentis-line);
  background: var(--mentis-paper);
  border-radius: 999px;
  padding: 0.35rem 0.65rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--mentis-muted);
  cursor: pointer;
}

.ai-modes button[aria-pressed="true"],
.ai-modes button:hover {
  color: var(--mentis-accent);
  background: var(--mentis-accent-soft);
  border-color: transparent;
}

.ai-row textarea {
  width: 100%;
  border: 1px solid var(--mentis-line);
  border-radius: var(--mentis-radius-sm);
  background: var(--mentis-paper);
  padding: 0.55rem 0.7rem;
  resize: none;
  min-height: 2.4rem;
  outline: none;
}

.ai-row textarea:focus {
  border-color: color-mix(in srgb, var(--mentis-accent) 45%, var(--mentis-line));
  box-shadow: 0 0 0 3px var(--mentis-accent-soft);
}

.send-btn {
  border: 0;
  background: var(--qmf-color-primary, #4f46e5);
  color: #fff;
  border-radius: 999px;
  padding: 0.45rem 0.9rem;
  font-size: 0.8rem;
  font-weight: 650;
  cursor: pointer;
  white-space: nowrap;
}

.send-btn:disabled { opacity: 0.5; cursor: default; }

.reply {
  margin-top: 0.65rem;
  border: 1px solid var(--mentis-line);
  background: var(--mentis-paper);
  border-radius: var(--mentis-radius-sm);
  padding: 0.7rem 0.8rem;
}

.reply[hidden] { display: none !important; }

.reply-meta {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  margin-bottom: 0.3rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--mentis-faint);
}

.reply-meta .pill {
  background: var(--mentis-accent-soft);
  color: var(--mentis-accent);
  border-radius: 999px;
  padding: 0.1rem 0.4rem;
}

.reply.unknown .reply-meta .pill {
  background: rgba(239, 68, 68, 0.12);
  color: var(--qmf-color-danger, #ef4444);
}

.reply-body {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.45;
  font-size: 0.9rem;
}

.reply-text {
  margin: 0;
  white-space: pre-wrap;
  line-height: 1.5;
  font-size: 0.92rem;
  color: var(--mentis-ink, inherit);
}

.reply-meta .pill.subtle {
  background: transparent;
  color: var(--mentis-faint);
  border: 1px solid var(--mentis-line);
}

.conversation-topic {
  display: flex;
  align-items: baseline;
  gap: 0.4rem;
  margin: 0 0 0.55rem;
  padding: 0 0.15rem;
  font-size: 0.75rem;
  color: var(--mentis-faint);
}

.conversation-topic[hidden] {
  display: none !important;
}

.topic-label {
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-weight: 700;
  font-size: 0.68rem;
}

.topic-value {
  color: var(--mentis-ink, inherit);
  font-weight: 600;
  font-size: 0.82rem;
}

.conversation-thread {
  max-height: min(42vh, 22rem);
  overflow-y: auto;
  display: grid;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
  padding-right: 0.15rem;
  scroll-behavior: smooth;
}

.conversation-thread[hidden] {
  display: none !important;
}

.turn-role {
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--mentis-faint);
  margin-bottom: 0.25rem;
}

.user-turn .turn-text {
  margin: 0;
  padding: 0.55rem 0.7rem;
  border-radius: var(--mentis-radius-sm, 8px);
  background: var(--mentis-accent-soft, rgba(59, 130, 246, 0.08));
  line-height: 1.45;
  font-size: 0.9rem;
  white-space: pre-wrap;
}

.assistant-turn .reply {
  margin-top: 0;
}

.citations {
  margin-top: 0.85rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--mentis-line);
}

.citations-title {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mentis-faint);
}

.citation-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.4rem;
}

.citation-item {
  margin: 0;
}

.citation-link {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 0.45rem 0.55rem;
  border-radius: var(--mentis-radius-sm, 8px);
  border: 1px solid transparent;
  transition: border-color 160ms ease, background 160ms ease;
}

.citation-link:hover,
.citation-link:focus-visible {
  border-color: var(--mentis-line);
  background: var(--mentis-accent-soft, rgba(59, 130, 246, 0.08));
  outline: none;
}

.citation-breadcrumb {
  font-size: 0.86rem;
  font-weight: 600;
  line-height: 1.35;
  color: var(--mentis-ink, inherit);
}

.citation-meta {
  margin-top: 0.15rem;
  font-size: 0.72rem;
  color: var(--mentis-faint);
  line-height: 1.35;
  word-break: break-word;
}

.footer {
  margin-top: var(--qmf-space-6, 1.5rem);
  padding-top: var(--qmf-space-3, 0.75rem);
  border-top: 1px solid var(--mentis-line);
  color: var(--mentis-faint);
  font-size: 0.75rem;
}

/* Command palette */

.palette-root[hidden] { display: none !important; }

.palette-root {
  position: fixed;
  inset: 0;
  z-index: var(--qmf-z-modal, 500);
  display: grid;
  place-items: start center;
  padding: 14vh 1rem 1rem;
  background: rgba(17, 24, 39, 0.45);
  backdrop-filter: blur(6px);
}

.palette {
  width: min(100%, 34rem);
  background: var(--mentis-surface);
  border: 1px solid var(--mentis-line);
  border-radius: var(--mentis-radius);
  box-shadow: var(--qmf-shadow-xl, var(--mentis-shadow));
  overflow: hidden;
}

.palette-head {
  padding: 0.8rem 1rem 0.5rem;
  border-bottom: 1px solid var(--mentis-line);
}

.palette-head .title {
  margin: 0 0 0.4rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--mentis-accent);
}

.palette input {
  width: 100%;
  border: 0;
  outline: none;
  background: transparent;
  font-size: 1rem;
  font-weight: 500;
}

.palette-scopes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  padding: 0.5rem 1rem 0.7rem;
  border-bottom: 1px solid var(--mentis-line);
}

.palette-scopes span {
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--mentis-muted);
  background: var(--mentis-paper);
  border: 1px solid var(--mentis-line);
  border-radius: 999px;
  padding: 0.18rem 0.45rem;
}

.palette-list {
  list-style: none;
  margin: 0;
  padding: 0.35rem;
  max-height: 16rem;
  overflow: auto;
}

.palette-list button {
  width: 100%;
  display: flex;
  justify-content: space-between;
  gap: 0.75rem;
  border: 0;
  background: transparent;
  border-radius: 10px;
  padding: 0.65rem 0.7rem;
  cursor: pointer;
  text-align: left;
}

.palette-list button[aria-selected="true"],
.palette-list button:hover {
  background: var(--mentis-accent-soft);
}

.palette-list .kind {
  color: var(--mentis-faint);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Make room when QMF header is fixed (fallback) */
body.has-qmf-header:not(.lab-header--in-flow) .shell {
  padding-top: calc(var(--qmf-header-height, 64px) + 0.75rem);
}

/* Progressive-disclosure entrance */

.mentis-body {
  padding-bottom: 5.5rem;
}

.shell {
  width: min(980px, calc(100% - 3rem));
  padding: 0;
}

.entrance {
  min-height: calc(100svh - var(--qmf-header-height, 64px));
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: clamp(1.75rem, 4vh, 3rem);
  padding: clamp(2.5rem, 7vh, 5.5rem) 0;
}

.entrance-hero {
  text-align: center;
}

.entrance-title {
  margin: 0;
  color: var(--mentis-ink);
  font-size: clamp(1.55rem, 3vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

.entrance .spotlight {
  min-height: 4.75rem;
  margin: 0 auto;
  padding: 0 1.4rem;
  border-color: transparent;
  border-radius: calc(var(--mentis-radius) + 0.35rem);
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--mentis-line) 65%, transparent),
    0 18px 50px color-mix(in srgb, var(--mentis-ink) 9%, transparent);
}

.entrance .spotlight:hover,
.entrance .spotlight:focus-visible {
  border-color: transparent;
  box-shadow:
    0 0 0 1px color-mix(in srgb, var(--mentis-accent) 35%, transparent),
    0 20px 60px color-mix(in srgb, var(--mentis-ink) 11%, transparent),
    0 0 0 4px var(--mentis-accent-soft);
}

.entrance .spotlight-label {
  color: var(--mentis-muted);
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  font-weight: 400;
}

.entrance-group {
  display: grid;
  gap: 0.85rem;
}

.entrance-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.entrance-label h2,
.below-section h2 {
  margin: 0;
  color: var(--mentis-ink);
  font-size: 0.88rem;
  font-weight: 600;
  letter-spacing: -0.01em;
}

.entrance-label span {
  color: var(--mentis-faint);
  font-size: 0.78rem;
}

.continue-card {
  position: relative;
  display: grid;
  grid-template-columns: minmax(9rem, 0.45fr) 1fr auto;
  align-items: center;
  gap: 1.25rem;
  width: 100%;
  padding: 1rem 1.15rem;
  border: 0;
  border-radius: var(--mentis-radius);
  background: color-mix(in srgb, var(--mentis-surface) 76%, transparent);
  cursor: pointer;
  text-align: left;
  transition: background 160ms ease, transform 160ms ease;
}

.continue-card:hover,
.continue-card:focus-visible {
  background: var(--mentis-surface);
  outline: none;
  transform: translateY(-1px);
}

.continue-copy {
  display: flex;
  flex-direction: column;
  gap: 0.2rem;
}

.continue-card .progress {
  margin: 0;
  height: 2px;
}

.continue-arrow {
  color: var(--mentis-faint);
  font-size: 1rem;
}

.discover-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
}

.discover-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
  min-height: 8rem;
  padding: 1.2rem;
  border: 0;
  border-radius: var(--mentis-radius);
  background: color-mix(in srgb, var(--mentis-surface) 72%, transparent);
  cursor: pointer;
  text-align: left;
  transition: background 160ms ease, transform 160ms ease;
}

.discover-card:hover,
.discover-card:focus-visible {
  background: var(--mentis-surface);
  outline: none;
  transform: translateY(-2px);
}

.discover-card .stream-title {
  font-size: 1.02rem;
}

.below-fold {
  display: grid;
  gap: clamp(4.5rem, 9vh, 7rem);
  padding: clamp(5rem, 10vh, 8rem) 0 8rem;
  border-top: 1px solid color-mix(in srgb, var(--mentis-line) 60%, transparent);
}

.below-section {
  display: grid;
  gap: 1.25rem;
}

.below-section h2 {
  font-size: 1.1rem;
}

.below-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.25rem;
}

.below-fold .tile,
.recent-item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.45rem;
  min-height: 8.5rem;
  padding: 1.25rem;
  border: 0;
  border-radius: var(--mentis-radius);
  background: var(--mentis-surface);
  cursor: pointer;
  text-align: left;
}

.below-fold .tile:hover,
.below-fold .tile:focus-visible,
.recent-item:hover,
.recent-item:focus-visible {
  box-shadow: var(--qmf-shadow-sm, 0 1px 3px rgba(0, 0, 0, 0.08));
  outline: none;
}

.prompt-dock {
  position: fixed;
  z-index: var(--qmf-z-sticky, 300);
  right: 1rem;
  bottom: 1rem;
  left: 1rem;
  width: min(620px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 0.35rem;
  border: 1px solid color-mix(in srgb, var(--mentis-line) 75%, transparent);
  border-radius: calc(var(--mentis-radius) + 0.45rem);
  background: color-mix(in srgb, var(--mentis-surface) 88%, transparent);
  box-shadow: 0 16px 48px color-mix(in srgb, var(--mentis-ink) 13%, transparent);
  backdrop-filter: blur(18px);
}

.prompt-dock-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 0.5rem;
  align-items: center;
}

.prompt-dock textarea {
  width: 100%;
  min-height: 2.65rem;
  max-height: 7rem;
  padding: 0.65rem 0.85rem;
  border: 0;
  outline: none;
  resize: none;
  background: transparent;
}

.prompt-dock textarea::placeholder {
  color: var(--mentis-faint);
}

.prompt-dock .send-btn {
  min-width: 4.3rem;
  padding: 0.65rem 1rem;
}

.prompt-dock .reply {
  max-height: min(42vh, 20rem);
  margin: 0.35rem 0 0;
  overflow: auto;
  border: 0;
}

@media (max-width: 760px) {
  .shell {
    width: min(100% - 2rem, 980px);
  }

  .entrance {
    justify-content: flex-start;
    gap: 1.75rem;
    padding: 2.5rem 0 4rem;
  }

  .entrance .spotlight {
    min-height: 4rem;
  }

  .continue-card {
    grid-template-columns: 1fr auto;
  }

  .continue-card .progress {
    grid-column: 1 / -1;
  }

  .continue-arrow {
    grid-column: 2;
    grid-row: 1;
  }

  .discover-row {
    display: flex;
    gap: 0.85rem;
    margin-right: -1rem;
    overflow-x: auto;
    padding-right: 1rem;
    scroll-snap-type: x mandatory;
  }

  .discover-card {
    flex: 0 0 min(78vw, 18rem);
    scroll-snap-align: start;
  }

  .below-grid {
    grid-template-columns: 1fr;
  }
}

@media (prefers-reduced-motion: reduce) {
  .continue-card,
  .discover-card {
    transition: none;
  }
}