/* ============================================================
 * EXIST Advisor — Minimal
 * Quiet, neutral, lots of whitespace. One restrained accent.
 * Archivo for everything, mono only for tiny meta.
 * ============================================================ */

:root {
  --bg:        #f7f7f5;
  --surface:   #ffffff;
  --surface-2: #f2f2ef;
  --ink:       #1c1c1b;
  --ink-2:     #3a3a38;
  --muted:     #6e6e69;
  --faint:     #9a9a93;
  --line:      #e6e5e1;
  --line-2:    #d9d8d3;
  --accent:    #d83a2b;
  --accent-2:  #b82e22;
  --green:     #1f8a47;

  --radius:    14px;
  --radius-sm: 9px;

  --font-body: "Archivo", "Helvetica Neue", -apple-system, sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", "Menlo", monospace;

  /* back-compat aliases */
  --white: var(--surface);
  --black: var(--ink);
  --paper: var(--bg);
  --red:   var(--accent);
  --border: var(--line);
  --gray-1: var(--line-2);
  --gray-2: var(--faint);
  --text: var(--ink);
}

* { box-sizing: border-box; }

html, body {
  margin: 0; padding: 0;
  min-height: 100%;
  background: var(--bg);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--ink);
  line-height: 1.55;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--accent); color: #fff; }

a { color: var(--ink); }

.bg-glow, .ticker { display: none; }

/* ============================================================
 * Shell
 * ============================================================ */
.chat-shell {
  position: relative;
  width: min(820px, 100%);
  margin: 0 auto;
  padding: 40px 24px 80px;
  display: grid;
  gap: 28px;
}

/* ============================================================
 * Header
 * ============================================================ */
.hero {
  display: grid;
  gap: 24px;
  padding: 0;
  border: none;
}

.brandbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 0 18px;
  border-bottom: 1px solid var(--line);
}

.brand-logo {
  display: inline-flex;
  align-items: center;
  border: none;
  padding: 0;
}

.brand-logo img {
  display: block;
  height: 26px;
  width: auto;
}

.tab-nav {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
  align-items: center;
}

/* Programm-Gruppen (Gründerstipendium | Forschungstransfer) */
.tab-group {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.tab-group + .tab-group {
  border-left: 1px solid var(--line);
  margin-left: 6px;
  padding-left: 10px;
}

.tab-group-label {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 700;
  color: var(--muted);
  padding-right: 2px;
  white-space: nowrap;
}

.tab-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.86rem;
  letter-spacing: 0;
  text-transform: none;
  border: 1px solid transparent;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.tab-num { display: none; }

.tab-link:hover { color: var(--ink); background: var(--surface-2); }

.tab-link.is-active {
  color: var(--ink);
  background: var(--surface);
  border-color: var(--line-2);
}

/* Title block */
.hero-grid {
  display: block;
  padding: 0;
  border: none;
}

.hero-col-meta { display: none; }

.hero h1 {
  margin: 0;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: clamp(1.9rem, 5vw, 2.6rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--ink);
  text-transform: none;
}

.h1-row {
  display: inline;
}
.h1-row::after { content: " "; }

.h1-row .accent, .hero h1 .accent { color: var(--accent); }

.subtitle {
  margin: 0;
  color: var(--muted);
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.6;
}

.subtitle strong {
  font-weight: 600;
  color: var(--ink);
  background: none;
  padding: 0;
  white-space: normal;
}

/* ============================================================
 * Quick questions — quiet pills
 * ============================================================ */
.quick-questions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  border: none;
}

.quick-questions::before { content: none; }

.quick-lead {
  align-self: center;
  margin-right: 2px;
  color: var(--faint);
  font-size: 0.82rem;
  font-weight: 500;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line-2);
  background: var(--surface);
  color: var(--ink-2);
  border-radius: 999px;
  padding: 9px 16px;
  font: inherit;
  font-size: 0.88rem;
  font-weight: 500;
  text-align: left;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.chip-num { display: none; }
.chip-label { line-height: 1.3; }

.chip:hover {
  background: var(--surface-2);
  border-color: var(--faint);
  color: var(--ink);
}

.chip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* ============================================================
 * Chat card
 * ============================================================ */
.chat-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
  display: grid;
  grid-template-rows: 1fr auto;
  overflow: hidden;
}

.chat-card::before { content: none; }

.messages {
  padding: 8px;
  display: grid;
  gap: 8px;
  align-content: start;
}

.messages:empty {
  padding: 56px 24px;
  text-align: center;
}

.messages:empty::before {
  content: "Stelle eine Frage – die Antwort erscheint hier, belegt mit Quellen.";
  color: var(--faint);
  font-size: 0.92rem;
  max-width: 40ch;
  line-height: 1.6;
  display: inline-block;
}

.msg {
  display: block;
  padding: 14px 16px;
  border-radius: var(--radius-sm);
}

.msg.is-user { background: var(--surface-2); }
.msg::before, .msg::after { content: none; }

.msg-head {
  display: flex;
  gap: 10px;
  align-items: baseline;
  margin-bottom: 6px;
  background: none;
  padding: 0;
  border: none;
}

.role {
  font-weight: 600;
  font-size: 0.82rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
}
.role::before { content: none; }

.meta {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  font-variant-numeric: tabular-nums;
  color: var(--faint);
  margin-left: auto;
}

.bubble {
  padding: 0;
  border: none;
  background: none;
  line-height: 1.62;
  white-space: pre-wrap;
  font-size: 0.98rem;
  color: var(--ink-2);
}

.msg.is-user .bubble { color: var(--ink); }

/* Citation badges */
.citation-link {
  border: 1px solid var(--line-2);
  background: var(--surface-2);
  appearance: none;
  display: inline-block;
  color: var(--muted);
  font: 500 0.7em var(--font-mono);
  padding: 0 5px;
  margin: 0 1px;
  border-radius: 5px;
  cursor: pointer;
  text-decoration: none;
  vertical-align: 1px;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
  position: relative;
}

.citation-link:hover { background: var(--accent); color: #fff; border-color: var(--accent); }

.citation-link::after {
  content: attr(data-tooltip-text);
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  background: var(--ink);
  color: #fff;
  padding: 7px 11px;
  border-radius: 7px;
  font: 500 0.74rem var(--font-body);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: opacity 120ms ease;
  z-index: 100;
}

.citation-link:hover::after { opacity: 1; }

/* ============================================================
 * Sources
 * ============================================================ */
.sources {
  display: grid;
  gap: 8px;
  margin: 12px 0 0;
  padding: 0;
  border: none;
  background: none;
}

.sources:empty { display: none; }
.msg.is-user .sources { display: none; }

.sources-box { display: grid; gap: 8px; }

.sources-toggle {
  justify-self: start;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font: 500 0.78rem var(--font-body);
  letter-spacing: 0;
  text-transform: none;
  padding: 5px 13px;
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}

.sources-toggle::before { content: none; }
.sources-toggle:hover { background: var(--surface-2); color: var(--ink); }

.sources-wrapper {
  display: grid;
  gap: 8px;
  border: none;
}
.sources-wrapper[hidden] { display: none; }

.source-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  padding: 12px 14px;
  transition: border-color 160ms ease;
}

.source-card::before { content: none; }

.source-card-highlight { border-color: var(--accent); }

.source-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
}

.source-title {
  font-weight: 600;
  font-size: 0.9rem;
  line-height: 1.35;
  color: var(--ink);
}

.source-badge {
  display: inline-flex;
  align-items: center;
  margin-left: 8px;
  padding: 1px 6px;
  border-radius: 5px;
  font: 600 0.62rem var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  vertical-align: 2px;
}

.source-badge-faq {
  background: var(--surface-2);
  color: var(--accent);
  border: 1px solid var(--line-2);
  cursor: help;
}

.source-meta {
  color: var(--faint);
  font: 500 0.66rem var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.source-link {
  color: var(--muted);
  text-decoration: none;
  font-size: 0.78rem;
  font-family: var(--font-mono);
  word-break: break-all;
  border-bottom: 1px solid var(--line-2);
  transition: color 0.15s ease, border-color 0.15s ease;
}

.source-link:hover { color: var(--accent); border-color: var(--accent); }

.source-snippet {
  margin: 8px 0 0;
  color: var(--ink-2);
  font-size: 0.86rem;
  line-height: 1.5;
}

/* ============================================================
 * Composer
 * ============================================================ */
.composer {
  border-top: 1px solid var(--line);
  background: var(--surface);
  padding: 14px;
  display: grid;
  gap: 10px;
}

.composer-label {
  font: 500 0.74rem var(--font-body);
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
  background: none;
  padding: 0;
  display: block;
}

.composer-row {
  display: grid;
  gap: 10px;
  grid-template-columns: 1fr auto;
  align-items: end;
}

textarea {
  width: 100%;
  border: 1px solid var(--line-2);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: 400 1rem var(--font-body);
  line-height: 1.55;
  resize: vertical;
  min-height: 84px;
  max-height: 240px;
  padding: 12px 14px;
  transition: border-color 0.15s ease;
}

textarea::placeholder { color: var(--faint); }
textarea:focus { outline: none; border-color: var(--ink); }

button#sendButton {
  border: none;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
  font: 600 0.9rem var(--font-body);
  letter-spacing: 0;
  text-transform: none;
  padding: 0 24px;
  height: 44px;
  cursor: pointer;
  min-width: 120px;
  transition: background 0.15s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

button#sendButton::after {
  content: "↑";
  margin-left: 8px;
  font-size: 1.05rem;
  line-height: 1;
  transition: transform 0.18s cubic-bezier(.2,.7,.2,1);
}
button#sendButton:hover:not(:disabled) { background: var(--accent); }
button#sendButton:hover:not(:disabled)::after { transform: translateY(-2px); }
button#sendButton:disabled { opacity: 0.4; cursor: wait; }

.composer-foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

.status-line {
  margin: 0;
  color: var(--muted);
  font: 500 0.78rem var(--font-body);
  letter-spacing: 0;
  text-transform: none;
  padding: 0;
  background: none;
  border: none;
}

.status-line::before {
  content: "";
  display: inline-block;
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  margin-right: 7px;
  vertical-align: 0;
}

.status-line[data-state="busy"] { color: var(--ink-2); }
.status-line[data-state="busy"]::before {
  background: #d8941f;
  animation: status-pulse 1s ease-in-out infinite;
}
.status-line[data-state="error"] { color: var(--accent-2); }
.status-line[data-state="error"]::before { background: var(--accent); }

@keyframes status-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.composer-hint {
  margin: 0;
  color: var(--faint);
  font-size: 0.74rem;
}

.composer-hint kbd {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  border-radius: 4px;
  padding: 1px 5px;
  color: var(--muted);
}

/* ============================================================
 * Init overlay
 * ============================================================ */
.init-overlay {
  position: fixed;
  inset: 0;
  background: rgba(20,20,19,0.55);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: 24px;
  opacity: 1;
  transition: opacity 0.3s ease;
}

.init-overlay.is-hidden { opacity: 0; pointer-events: none; }

.init-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0,0,0,0.16);
  padding: 28px;
  max-width: 460px;
  width: 100%;
  text-align: left;
}

.init-card::before { content: none; }

.init-card h2, .init-title {
  margin: 0 0 8px;
  font: 600 1.3rem var(--font-body);
  text-transform: none;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.init-text {
  margin: 0;
  color: var(--ink-2);
  font-size: 0.96rem;
}

.init-meta {
  margin: 10px 0 0;
  color: var(--faint);
  font: 500 0.78rem var(--font-mono);
  letter-spacing: 0;
  text-transform: none;
}

.init-error {
  margin: 14px 0 0;
  padding: 12px 14px;
  background: #fdecea;
  border: 1px solid #f5c6c0;
  border-radius: var(--radius-sm);
  color: var(--accent-2);
  font: 500 0.86rem var(--font-body);
  text-align: left;
  word-break: break-word;
}

.init-spinner {
  width: 100%;
  height: 4px;
  margin: 18px 0 0;
  border-radius: 999px;
  border: none;
  background: var(--surface-2);
  position: relative;
  overflow: hidden;
}

.init-spinner::after {
  content: "";
  position: absolute;
  top: 0; left: 0;
  width: 30%;
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  animation: init-bar 1.1s cubic-bezier(.5,0,.5,1) infinite;
}

@keyframes init-bar {
  0%   { left: -30%; }
  100% { left: 100%; }
}

body.is-initializing { overflow: hidden; }

/* ============================================================
 * Feedback / Ideenpapier
 * ============================================================ */
.results {
  display: grid;
  gap: 20px;
  margin-top: 0;
}

.feedback-block {
  display: block;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 0;
  box-shadow: 0 1px 2px rgba(0,0,0,0.03);
  overflow: hidden;
}

.feedback-block::before, .feedback-block::after { content: none; display: none; }

.feedback-block .msg-head {
  border-bottom: 1px solid var(--line);
  padding: 16px 20px;
  margin: 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: none;
}

.feedback-block .role {
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
}

.feedback-block .role::before { content: none; }

.feedback-error .bubble {
  color: var(--accent-2);
  padding: 16px 20px;
}

/* Score */
.feedback-summary {
  display: grid;
  grid-template-columns: 160px 1fr;
  gap: 0;
  align-items: stretch;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.feedback-score-wrap {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 4px;
  background: var(--surface-2);
  color: var(--ink);
  border: none;
  border-right: 1px solid var(--line);
  padding: 24px;
}

.feedback-score-wrap::before {
  content: "Score";
  font: 500 0.72rem var(--font-body);
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
  position: static;
}

.feedback-score-label { display: none; }

.feedback-score-value {
  font: 600 3.4rem/1 var(--font-body);
  color: var(--ink);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}

.feedback-score-value::after {
  content: "/5";
  font-size: 1rem;
  font-weight: 500;
  color: var(--faint);
  margin-left: 0.1em;
  vertical-align: 0.2em;
  font-family: var(--font-body);
}

.feedback-summary-text {
  margin: 0;
  padding: 24px;
  font: 400 1rem/1.6 var(--font-body);
  color: var(--ink-2);
  background: var(--surface);
  align-self: center;
}

.feedback-summary-text::first-letter { font-weight: 400; font-size: inherit; float: none; margin: 0; color: inherit; }

/* Categories */
.feedback-categories {
  display: grid;
  gap: 0;
}

.feedback-cat {
  border: none;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  padding: 0;
}

.feedback-cat:last-child { border-bottom: none; }

.feedback-cat > summary {
  cursor: pointer;
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 12px;
  list-style: none;
  font: 600 1rem var(--font-body);
  text-transform: none;
  letter-spacing: 0;
  color: var(--ink);
  transition: background 0.15s ease;
  padding: 15px 20px;
}

.feedback-cat > summary::-webkit-details-marker { display: none; }
.feedback-cat > summary::marker { content: ""; }
.feedback-cat > summary::before { content: none; }

.feedback-cat > summary::after {
  content: "⌄";
  color: var(--faint);
  font-size: 1.1rem;
  line-height: 1;
  transform: translateY(-2px);
  transition: transform 0.18s ease;
}
.feedback-cat[open] > summary::after { transform: translateY(-2px) rotate(180deg); }

.feedback-cat:hover > summary { background: var(--surface-2); }

.feedback-cat-label { color: inherit; font: inherit; }

.feedback-cat-score {
  font: 600 0.82rem var(--font-mono);
  color: var(--muted);
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  padding: 3px 9px;
  border: 1px solid var(--line-2);
  border-radius: 999px;
  background: var(--surface);
}

.feedback-cat-body {
  margin: 0;
  padding: 14px 20px 20px;
  display: grid;
  gap: 22px;
  background: var(--surface-2);
  border-top: 1px solid var(--line);
}

.feedback-cat-body h4 {
  margin: 0 0 2px;
  display: flex;
  align-items: center;
  gap: 9px;
  font: 700 0.78rem var(--font-body);
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 0 0 8px;
  border: none;
  border-bottom: 1px solid var(--line);
}

/* group marker moved into the header (once), not on every line */
.feedback-cat-body h4::before {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px; height: 20px;
  border-radius: 6px;
  font: 800 0.9rem var(--font-mono);
  line-height: 1;
}

.feedback-cat-body h4:nth-of-type(1) { color: var(--green); }
.feedback-cat-body h4:nth-of-type(1)::before {
  content: "+"; color: var(--green); background: rgba(31,138,71,0.12);
}
.feedback-cat-body h4:nth-of-type(2) { color: var(--accent); }
.feedback-cat-body h4:nth-of-type(2)::before {
  content: "–"; color: var(--accent); background: rgba(216,58,43,0.10);
}
.feedback-cat-body h4:nth-of-type(3) { color: var(--ink); }
.feedback-cat-body h4:nth-of-type(3)::before {
  content: "→"; color: var(--muted); background: rgba(110,110,105,0.12);
}

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

.feedback-list li {
  margin: 0;
  padding: 9px 0 9px 2.5rem;
  line-height: 1.6;
  position: relative;
  color: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.feedback-list li:last-child { border-bottom: none; }
.feedback-list li::before { content: none; }

.feedback-list .prio-badge {
  position: absolute;
  left: 0;
  top: 12px;
  margin: 0;
}

.feedback-staerken .prio-badge { color: var(--green); }
.feedback-schwaechen .prio-badge { color: var(--accent); }

/* Extra sections */
.feedback-extra {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.feedback-extra details {
  border: none;
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.feedback-extra details:last-child { border-bottom: none; }
.feedback-extra details[open] { background: var(--surface); }

.feedback-extra summary {
  cursor: pointer;
  font: 600 0.92rem var(--font-body);
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  list-style: none;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.feedback-extra summary::-webkit-details-marker { display: none; }
.feedback-extra summary::before {
  content: "+";
  font-family: var(--font-mono);
  color: var(--faint);
  font-size: 1rem;
  font-weight: 500;
  width: 14px;
  text-align: center;
}
.feedback-extra details[open] summary::before { content: "–"; }

.feedback-extra ul {
  margin: 0;
  padding: 0 20px 16px 44px;
  list-style: none;
}

.feedback-extra ul li {
  position: relative;
  margin: 0;
  padding: 5px 0;
  line-height: 1.55;
  color: var(--ink-2);
  border: none;
}

/* Download */
.feedback-actions {
  display: flex;
  justify-content: flex-end;
  margin: 0;
  padding: 14px 20px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.download-btn {
  background: var(--surface);
  color: var(--ink);
  border: 1px solid var(--line-2);
  border-radius: 999px;
  padding: 8px 16px;
  font: 500 0.84rem var(--font-body);
  letter-spacing: 0;
  text-transform: none;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.download-btn::after { content: "↓"; font-weight: 600; transition: transform 0.18s ease; }
.download-btn:hover:not(:disabled) { background: var(--surface-2); border-color: var(--faint); }
.download-btn:hover:not(:disabled)::after { transform: translateY(2px); }
.download-btn:disabled { opacity: 0.4; cursor: progress; }

/* Priority badges */
.prio-badge {
  display: inline-block;
  min-width: 1.8rem;
  padding: 1px 7px;
  margin-right: 8px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--line-2);
  color: var(--muted);
  font: 600 0.66rem var(--font-mono);
  letter-spacing: 0;
  font-variant-numeric: tabular-nums;
  text-align: center;
  vertical-align: 1px;
}

.prio-badge-critical {
  background: #fdecea;
  border-color: #f5c6c0;
  color: var(--accent-2);
}

/* ============================================================
 * Drop zone
 * ============================================================ */
.drop-zone {
  border: 1.5px dashed var(--line-2);
  border-radius: var(--radius);
  padding: 40px 20px;
  background: var(--surface-2);
  text-align: center;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}

.drop-zone::before {
  content: "PDF";
  display: block;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  color: var(--faint);
  margin-bottom: 12px;
  transition: color 0.15s ease;
}

.drop-zone:hover::before,
.drop-zone.is-dragover::before { color: var(--accent); }

.drop-zone:hover,
.drop-zone:focus-visible,
.drop-zone.is-dragover {
  border-color: var(--accent);
  background: var(--surface);
  outline: none;
}

.drop-zone-hint {
  margin: 0 0 8px;
  color: var(--ink);
  font: 500 0.98rem var(--font-body);
}

.drop-zone-file {
  margin: 0;
  font: 500 0.78rem var(--font-mono);
  letter-spacing: 0;
  text-transform: none;
  color: var(--faint);
}

.link-button {
  background: none;
  border: none;
  color: var(--accent);
  cursor: pointer;
  padding: 0;
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.16em;
}

.link-button:hover { color: var(--accent-2); }

#analyzeButton {
  border: none;
  border-radius: var(--radius-sm);
  background: var(--ink);
  color: #fff;
  font: 600 0.9rem var(--font-body);
  letter-spacing: 0;
  text-transform: none;
  padding: 12px 24px;
  cursor: pointer;
  transition: background 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  justify-self: start;
}

#analyzeButton::after { content: none; }
#analyzeButton:hover:not(:disabled) { background: var(--accent); }

#analyzeButton:disabled {
  background: var(--surface-2);
  color: var(--faint);
  border: 1px solid var(--line-2);
  cursor: not-allowed;
}

/* Feedback-page composer */
[data-requires="handbook"] .chat-card {
  border: 1px solid var(--line);
  margin-top: 0;
}
[data-requires="handbook"] .composer {
  border-top: none;
  background: var(--surface);
  padding: 20px;
  display: grid;
  gap: 16px;
}
[data-requires="handbook"] .composer-label {
  background: transparent;
  color: var(--muted);
  padding: 0;
}
[data-requires="handbook"] .composer-row {
  grid-template-columns: 1fr;
  justify-items: start;
}
[data-requires="handbook"] .status-line {
  border: none;
  background: transparent;
  padding: 0;
}

/* ============================================================
 * Progress
 * ============================================================ */
.progress-box {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface);
  overflow: hidden;
}

.progress-box[hidden] { display: none; }

.progress-track {
  height: 5px;
  background: var(--surface-2);
  border: none;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--accent);
  transition: width 0.3s cubic-bezier(.4,0,.2,1);
}

.progress-fill::after { content: none; }

.progress-meta {
  display: flex;
  justify-content: space-between;
  font: 500 0.74rem var(--font-mono);
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
  padding: 10px 14px;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}

.progress-log {
  list-style: none;
  margin: 0;
  padding: 10px 14px;
  max-height: 8rem;
  overflow-y: auto;
  background: var(--surface);
  font: 400 0.76rem var(--font-mono);
  color: var(--faint);
  line-height: 1.6;
}

.progress-log li {
  margin: 0;
  padding: 2px 0;
  border: none;
}

.progress-log li:last-child { color: var(--ink); font-weight: 500; }

.progress-log li::before { content: "·  "; color: var(--faint); }

/* ============================================================
 * Responsive
 * ============================================================ */
@media (max-width: 720px) {
  .chat-shell { padding: 28px 16px 56px; gap: 22px; }
  .brandbar { flex-wrap: wrap; gap: 12px; }
  .feedback-summary { grid-template-columns: 1fr; }
  .feedback-score-wrap {
    flex-direction: row;
    gap: 10px;
    justify-content: flex-start;
    border-right: none;
    border-bottom: 1px solid var(--line);
    padding: 16px 20px;
  }
  .feedback-score-value { font-size: 2.4rem; }
  .composer-row { grid-template-columns: 1fr; }
  button#sendButton { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* legacy */
.nav-row { margin: 8px 0 0; }
.nav-link {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid var(--line-2);
}
.nav-link:hover { color: var(--ink); }