:root {
  --ground: #F6F8FA; --surface: #FFFFFF; --ink: #131C26; --ink-soft: #46586B; --rule: #D9E2EA;
  --accent: #0E6F65; --accent-deep: #0A544C; --accent-wash: #DDEFEC; --danger: #A32B36; --danger-bg: #F9E4E6;
  --hy: "Noto Serif Armenian", "Sylfaen", -apple-system, system-ui, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root { --ground: #0D1319; --surface: #141C24; --ink: #E6ECF2; --ink-soft: #A3B4C4; --rule: #26323D;
          --accent: #46BFAF; --accent-deep: #6FD6C7; --accent-wash: #12302E; --danger: #E4737E; --danger-bg: #2F1619; }
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--ground); color: var(--ink);
  font: 16px/1.5 -apple-system, system-ui, "Segoe UI", sans-serif; -webkit-text-size-adjust: 100%; }
#app { min-height: 100%; display: flex; flex-direction: column; }
section { flex: 1; display: flex; flex-direction: column; }
[hidden] { display: none !important; }

#login { align-items: center; justify-content: center; padding: 32px 24px; gap: 8px; text-align: center; }
#login h1 { font-size: 1.4rem; margin: 8px 0 20px; }
#login form { width: 100%; max-width: 360px; display: grid; gap: 14px; text-align: left; }
label { display: grid; gap: 6px; font-size: 14px; color: var(--ink-soft); font-family: var(--hy); }
input { font: inherit; padding: 12px; border: 1px solid var(--rule); border-radius: 8px; background: var(--surface); color: var(--ink); }
button { font: inherit; cursor: pointer; }
#login button[type=submit] { padding: 14px; border: 0; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 600; font-family: var(--hy); }
.error { color: var(--danger); background: var(--danger-bg); padding: 10px 12px; border-radius: 8px; font-size: 14px; margin: 0; }

#chat header, #eval header, #correct header { display: flex; align-items: center; justify-content: space-between; padding: max(12px, env(safe-area-inset-top)) 16px 10px;
  border-bottom: 1px solid var(--rule); background: var(--surface); font-size: 14px; color: var(--ink-soft); }
#logout { border: 0; background: none; color: var(--ink-soft); font-size: 18px; }

#messages { list-style: none; margin: 0; padding: 12px 12px 8px; flex: 1; overflow-y: auto; display: flex; flex-direction: column; gap: 10px; }
#messages li { max-width: 88%; padding: 10px 14px; border-radius: 14px; font-family: var(--hy); overflow-wrap: anywhere; }
#messages li.user { align-self: flex-end; background: var(--accent-wash); border-bottom-right-radius: 4px; }
#messages li.assistant { align-self: flex-start; background: var(--surface); border: 1px solid var(--rule); border-bottom-left-radius: 4px; }
#messages li.assistant.degraded { border-color: var(--danger); }
#messages li .meta { display: block; font-size: 12px; color: var(--ink-soft); margin-top: 6px; font-family: system-ui, sans-serif; }
#messages li ul.links { list-style: none; margin: 8px 0 0; padding: 0; display: grid; gap: 6px; }
#messages li ul.links a { display: block; padding: 8px 10px; border-radius: 8px; background: var(--accent-wash); color: var(--accent-deep); text-decoration: none; font-size: 14px; }
#messages li audio { display: block; width: 100%; margin-top: 8px; }

#status { min-height: 22px; padding: 0 16px 6px; font-size: 13px; color: var(--ink-soft); text-align: center; font-family: var(--hy); }

#chat footer, #eval footer { padding: 8px 16px max(20px, env(safe-area-inset-bottom)); background: var(--surface); border-top: 1px solid var(--rule); }
#talk { width: 100%; padding: 18px; border: 0; border-radius: 16px; background: var(--accent); color: #fff; font-size: 18px; font-weight: 600;
  font-family: var(--hy); display: flex; align-items: center; justify-content: center; gap: 12px;
  touch-action: none; -webkit-user-select: none; user-select: none; -webkit-touch-callout: none; transition: background .15s; }
#talk.recording { background: var(--danger); }
#talk:disabled { opacity: .5; }
.mic { width: 14px; height: 22px; border-radius: 7px; background: #fff; position: relative; }
.mic::after { content: ""; position: absolute; left: -5px; right: -5px; bottom: -8px; height: 8px; border: 2px solid #fff; border-top: 0; border-radius: 0 0 12px 12px; }

/* ---- eval.html / correct.html ---- */
.card { margin: 12px 16px; padding: 16px 18px; background: var(--surface); border: 1px solid var(--rule); border-radius: 12px; }
.card h2 { margin: 0 0 8px; font-size: 1.1rem; }
.card p, .card ul { color: var(--ink-soft); font-size: 14.5px; }
ul.plain { padding-left: 18px; margin: 0 0 14px; display: grid; gap: 6px; }
.primary { padding: 12px 18px; border: 0; border-radius: 10px; background: var(--accent); color: #fff; font-weight: 600; font-family: var(--hy); }
.ghost { padding: 10px 14px; border: 1px solid var(--rule); border-radius: 10px; background: var(--surface); color: var(--ink-soft); font-family: var(--hy); }
.row { display: flex; gap: 10px; justify-content: center; margin-top: 12px; }
.pill { font-size: 13px; padding: 3px 10px; border-radius: 999px; background: var(--accent-wash); color: var(--accent-deep); }
.kind { margin: 18px 16px 6px; font-size: 12px; letter-spacing: .08em; text-transform: uppercase; color: var(--ink-soft); }
.sentence { margin: 0 16px; padding: 18px; background: var(--surface); border: 1px solid var(--rule); border-radius: 14px;
  font-family: var(--hy); font-size: 1.45rem; line-height: 1.45; text-align: center; }
.sentence.small { font-size: 1.05rem; text-align: left; }
.hint { margin: 8px 16px 0; font-size: 13px; color: var(--ink-soft); text-align: center; }
#scripted, #free { flex: 1; }
#correct header label.inline { display: flex; align-items: center; gap: 6px; font-size: 13px; }
#correct textarea { width: 100%; font: inherit; font-family: var(--hy); font-size: 1.05rem; padding: 10px; border: 1px solid var(--rule); border-radius: 8px; background: var(--ground); color: var(--ink); }
#correct audio { width: 100%; margin: 10px 0; }
.result { margin: 12px 16px 0; padding: 12px 16px; border-radius: 12px; display: flex; gap: 10px; align-items: center; font-family: var(--hy); font-size: 1.05rem; }
.result.ok { background: var(--accent-wash); color: var(--accent-deep); }
.result.wait { background: var(--surface); border: 1px solid var(--rule); color: var(--ink-soft); }
.result.err { background: var(--danger-bg); color: var(--danger); }
.result span:first-child { font-size: 1.5rem; }
button:disabled { opacity: .45; cursor: default; }