:root {
  --bg: #090b10;
  --panel: rgba(20, 24, 33, 0.88);
  --panel-strong: #171c26;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f7f8fb;
  --muted: #9ca6b8;
  --accent: #c8ff45;
  --accent-2: #6fe7ff;
  --danger: #ff6b6b;
  --warning: #ffcb66;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  min-height: 100vh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 15% 0%, rgba(111, 231, 255, 0.12), transparent 34rem),
    radial-gradient(circle at 95% 10%, rgba(200, 255, 69, 0.11), transparent 30rem),
    var(--bg);
}

button, select, input, textarea, progress { font: inherit; }

.shell {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
  padding: 52px 0 80px;
}

.hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  margin-bottom: 28px;
}

.eyebrow, .section-label {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 10px; font-size: clamp(2.4rem, 7vw, 5.4rem); line-height: 0.92; letter-spacing: -0.055em; }
h2, h3 { margin-bottom: 0; font-size: clamp(1.2rem, 3vw, 1.65rem); letter-spacing: -0.025em; }
.lede { max-width: 690px; margin-bottom: 0; color: var(--muted); font-size: 1.03rem; line-height: 1.6; }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }

.connection-grid { display: grid; gap: 10px; min-width: 210px; }
.status-pill { display: flex; align-items: center; gap: 11px; padding: 10px 13px; border: 1px solid var(--line); border-radius: 12px; background: rgba(8, 10, 15, 0.55); }
.status-pill span:last-child { display: grid; }
.status-pill strong { font-size: 0.82rem; }
.status-pill small { color: var(--muted); font-size: 0.72rem; }

.dot { width: 9px; height: 9px; flex: 0 0 auto; border-radius: 50%; background: #657086; box-shadow: 0 0 0 4px rgba(101, 112, 134, 0.12); }
.dot--ready, .dot--listening { background: var(--accent); box-shadow: 0 0 0 4px rgba(200, 255, 69, 0.12), 0 0 16px rgba(200, 255, 69, 0.4); }
.dot--speaking { background: var(--accent-2); box-shadow: 0 0 0 4px rgba(111, 231, 255, 0.15), 0 0 18px rgba(111, 231, 255, 0.55); }
.dot--working, .dot--waiting { background: var(--warning); box-shadow: 0 0 0 4px rgba(255, 203, 102, 0.12); }
.dot--error { background: var(--danger); box-shadow: 0 0 0 4px rgba(255, 107, 107, 0.12); }

.recorder, .event-log {
  border: 1px solid var(--line);
  border-radius: 22px;
  background: var(--panel);
  box-shadow: 0 28px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(18px);
}

.recorder { padding: clamp(22px, 5vw, 38px); }
.panel-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.timer { color: var(--muted); font: 650 1.05rem ui-monospace, SFMono-Regular, Menlo, monospace; letter-spacing: 0.06em; }

.controls { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: 14px clamp(16px, 3vw, 30px); margin: 0 0 18px; }
.playback-notice { display: flex; flex-wrap: wrap; align-items: center; gap: 12px; margin-bottom: 18px; padding: 12px 14px; border: 1px solid var(--warning); border-radius: 12px; color: var(--warning); font-size: 0.86rem; line-height: 1.5; }
.playback-notice[hidden], #resume-audio-button[hidden] { display: none; }
.playback-notice span { flex: 1 1 240px; }
.playback-notice button { flex: 0 0 auto; color: var(--text); }
.playback-notice button:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.playback-notice button:disabled { cursor: wait; opacity: 0.6; }
.record-button { display: inline-flex; justify-self: start; align-items: center; gap: 12px; min-width: 190px; padding: 15px 20px; border: 0; border-radius: 999px; color: #0a0c10; background: var(--accent); font-weight: 850; cursor: pointer; transition: transform 140ms ease, box-shadow 140ms ease, opacity 140ms ease; }
.record-button:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 12px 35px rgba(200, 255, 69, 0.16); }
.record-button:disabled { cursor: not-allowed; opacity: 0.42; }
.record-button.is-recording { color: white; background: var(--danger); }
.record-button__icon { width: 13px; height: 13px; border-radius: 50%; background: currentColor; }
.record-button.is-recording .record-button__icon { border-radius: 2px; }
.model-selectors { display: grid; min-width: 0; gap: 14px; }
.conversation-model { display: grid; min-width: 0; gap: 6px; }
.conversation-model label { color: var(--text); font-size: 0.78rem; font-weight: 700; }
.conversation-model select { width: 100%; min-width: 0; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; color: var(--text); background: var(--panel-strong); }
.conversation-model select:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 2px; }
.conversation-model select:disabled { cursor: not-allowed; opacity: 0.65; }
.conversation-model small { min-height: 1.4em; color: var(--muted); font-size: 0.72rem; line-height: 1.4; overflow-wrap: anywhere; }

.qwen-settings { margin-bottom: 18px; border: 1px solid var(--line); border-radius: 12px; background: rgba(8, 10, 15, 0.32); }
.qwen-settings[hidden], .qwen-settings [hidden] { display: none; }
.qwen-settings > summary { padding: 12px 14px; color: var(--accent-2); font-size: 0.83rem; font-weight: 700; cursor: pointer; overflow-wrap: anywhere; }
.qwen-settings__body { padding: 0 14px 16px; }
.qwen-settings__heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 16px; margin: 4px 0 16px; }
.qwen-settings__heading p { margin: 0; max-width: 70ch; color: var(--muted); font-size: 0.78rem; line-height: 1.5; }
.qwen-settings__heading button { flex: 0 0 auto; font-size: 0.75rem; }
.qwen-settings__grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); gap: 16px; }
.qwen-settings__field { display: grid; align-content: start; gap: 6px; min-width: 0; }
.qwen-settings__field label { font-size: 0.78rem; font-weight: 700; }
.qwen-settings__field :is(select, input:not([type="checkbox"]), textarea) { width: 100%; min-width: 0; padding: 9px 11px; border: 1px solid var(--line); border-radius: 9px; color: var(--text); background: var(--panel-strong); }
.qwen-settings__field textarea { resize: vertical; }
.qwen-settings__field input[type="checkbox"] { width: 20px; height: 20px; margin: 4px 0; accent-color: var(--accent); }
.qwen-settings__field small, .qwen-settings__note { margin: 0; color: var(--muted); font-size: 0.72rem; line-height: 1.5; overflow-wrap: anywhere; }
.qwen-settings__field [aria-invalid="true"] { border-color: var(--danger); }
.qwen-settings .qwen-settings__error { margin: 0 0 10px; color: var(--danger); font-size: 0.77rem; line-height: 1.5; }
.qwen-settings :is(input, select, textarea, button):disabled { opacity: 0.6; cursor: not-allowed; }
.qwen-settings :is(input, select, textarea, button, summary):focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }
.qwen-settings__section { margin-top: 18px; border-top: 1px solid var(--line); padding-top: 12px; }
.qwen-settings__section > summary { cursor: pointer; font-size: 0.8rem; color: var(--text); }
.qwen-settings__section > .qwen-settings__note { margin: 12px 0; }
.qwen-settings__runtime { display: grid; grid-template-columns: minmax(120px, 1fr) minmax(0, 2fr); gap: 10px 16px; font-size: 0.76rem; line-height: 1.5; }
.qwen-settings__runtime dt { color: var(--muted); }
.qwen-settings__runtime dd { margin: 0; overflow-wrap: anywhere; }
.qwen-settings__runtime small { display: block; color: var(--muted); }
.qwen-settings__unavailable { margin: 16px 0 0; padding-left: 18px; color: var(--muted); font-size: 0.75rem; line-height: 1.6; }

.meter-wrap { display: grid; grid-template-columns: 1fr auto; gap: 8px 14px; align-items: center; }
.meter-wrap label { color: var(--muted); font-size: 0.78rem; font-weight: 700; }
.meter-wrap small { grid-column: 1 / -1; color: #747f92; font: 0.7rem ui-monospace, SFMono-Regular, Menlo, monospace; }
progress { width: 100%; height: 10px; overflow: hidden; border: 0; border-radius: 999px; background: #2a303d; }
progress::-webkit-progress-bar { background: #2a303d; }
progress::-webkit-progress-value { border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }
progress::-moz-progress-bar { border-radius: 999px; background: linear-gradient(90deg, var(--accent), var(--accent-2)); }

.capture-state { display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: 12px; }
.state-line { display: flex; align-items: center; gap: 10px; min-height: 24px; color: #dce1ea; font-size: 0.91rem; }
.recorder__details { display: grid; grid-template-columns: minmax(220px, 0.7fr) minmax(0, 1.3fr); gap: 28px; align-items: start; margin-top: 20px; padding-top: 18px; border-top: 1px solid var(--line); }
.technical-note { margin: 0; color: var(--muted); font-size: 0.8rem; line-height: 1.55; }

.transcript-panel { min-width: 0; padding: clamp(18px, 3vw, 26px); border: 1px solid var(--line); border-radius: 17px; background: rgba(8, 10, 15, 0.5); }
.text-button { padding: 8px 12px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: transparent; cursor: pointer; }
.text-button:hover { color: var(--text); border-color: rgba(255, 255, 255, 0.2); }
.conversation { display: grid; align-content: start; gap: 12px; block-size: clamp(28rem, 58dvh, 34rem); margin-top: 16px; padding: 4px 10px 14px 0; overflow-y: auto; overscroll-behavior: contain; scrollbar-gutter: stable; }
.conversation__messages { display: grid; gap: 18px; }
.empty-state { margin: 0; padding: 30px 0; color: #6e788a; text-align: center; }

.chat-message { display: grid; width: min(88%, 780px); }
.chat-message--user { justify-self: end; }
.chat-message--agent { justify-self: start; }
.chat-message__header { display: flex; align-items: baseline; justify-content: flex-end; gap: 9px; margin: 0 5px 7px; }
.chat-message--agent .chat-message__header { justify-content: flex-start; }
.chat-message__author { color: #eef4ff; font-size: 0.78rem; }
.chat-message__status { color: var(--accent-2); font-size: 0.68rem; font-weight: 720; }
.chat-message__status[data-state="paused"] { color: var(--warning); }
.chat-message__status[data-state="complete"] { color: var(--muted); }
.chat-message__status[data-state="interrupted"] { color: var(--warning); }
.chat-message__status[data-state="failed"] { color: var(--danger); }
.chat-message__bubble { padding: 17px 19px; border: 1px solid rgba(111, 231, 255, 0.33); border-radius: 18px 18px 5px 18px; background: linear-gradient(135deg, rgba(27, 93, 111, 0.32), rgba(23, 28, 38, 0.98)); box-shadow: 0 13px 36px rgba(0, 0, 0, 0.22); }
.chat-message--agent .chat-message__bubble { border-color: var(--line); border-radius: 18px 18px 18px 5px; background: var(--panel-strong); }
.chat-message--agent.is-streaming .chat-message__bubble { border-color: rgba(200, 255, 69, 0.27); }
.chat-message--agent .chat-message__cursor { background: var(--accent); }
.chat-message.is-streaming .chat-message__bubble { box-shadow: 0 0 0 1px rgba(111, 231, 255, 0.06), 0 13px 36px rgba(0, 0, 0, 0.22); }
.chat-message__paragraphs { display: grid; gap: 0.85em; }
.chat-message__paragraph { margin: 0; color: #f1f6ff; font-size: 1.08rem; line-height: 1.62; white-space: pre-wrap; overflow-wrap: anywhere; }
.chat-message__paragraph.is-final { color: #e8eef8; }
.chat-message__placeholder { margin: 0; color: #91a0b6; font-size: 0.98rem; line-height: 1.62; }
.chat-message__cursor-line { height: 1.15em; margin-top: 0.25em; line-height: 1; }
.chat-message__cursor { display: inline-block; width: 7px; height: 1.05em; vertical-align: -0.08em; background: var(--accent-2); animation: blink 0.8s steps(1) infinite; }
.chat-message__meta { margin: 7px 5px 0; color: #778195; font: 0.68rem ui-monospace, SFMono-Regular, Menlo, monospace; text-align: right; }
.chat-message--agent .chat-message__meta { text-align: left; }
.chat-message.is-complete .chat-message__bubble { border-color: rgba(255, 255, 255, 0.11); box-shadow: none; }

.qwen-latest { display: grid; grid-template-columns: minmax(140px, 0.7fr) minmax(160px, 0.8fr) minmax(260px, 1.5fr); align-items: center; gap: 10px 18px; margin-top: 16px; padding: 12px 14px; border: 1px solid rgba(200, 255, 69, 0.24); border-radius: 12px; background: rgba(12, 17, 21, 0.9); box-shadow: 0 10px 28px rgba(0, 0, 0, 0.18); }
.qwen-latest[hidden] { display: none; }
.qwen-latest__header { display: grid; gap: 2px; }
.qwen-latest__header strong { color: var(--accent); font-size: 0.75rem; letter-spacing: 0.08em; text-transform: uppercase; }
.qwen-latest__header span { color: var(--muted); font-size: 0.67rem; font-weight: 700; }
.qwen-latest__result { display: flex; align-items: baseline; gap: 9px; min-width: 0; }
.qwen-latest__result strong { color: #f1f6ff; font-size: 0.88rem; overflow-wrap: anywhere; }
.qwen-latest__result span { color: var(--accent-2); font: 700 0.72rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.qwen-latest__meta { display: flex; align-items: center; justify-content: flex-end; gap: 10px; min-width: 0; color: #778195; font: 0.64rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace; }
.qwen-latest__meta code { padding: 2px 6px; border-radius: 6px; color: #cad3e1; background: rgba(255, 255, 255, 0.06); font: inherit; overflow-wrap: anywhere; }
.qwen-latest__meta span { overflow-wrap: anywhere; }

.event-log { margin-top: 18px; padding: 16px 20px; color: var(--muted); }
.event-log summary { cursor: pointer; font-size: 0.82rem; font-weight: 750; }
.event-log ol { max-height: 260px; margin: 15px 0 0; padding-left: 26px; overflow: auto; }
.event-log li { padding: 4px 0; color: #8993a5; font: 0.69rem/1.5 ui-monospace, SFMono-Regular, Menlo, monospace; }
.event-log li.is-error { color: var(--danger); }

@keyframes blink { 50% { opacity: 0; } }

@media (max-width: 820px) {
  .shell { width: min(100% - 20px, 1080px); padding-top: 30px; }
  .hero { display: grid; align-items: start; }
  .connection-grid { grid-template-columns: repeat(3, 1fr); min-width: 0; }
  .controls { grid-template-columns: 1fr; gap: 14px; }
  .record-button { justify-content: center; width: 100%; }
  .recorder__details { grid-template-columns: 1fr; gap: 12px; }
  .conversation { block-size: clamp(27rem, 58dvh, 30rem); }
  .chat-message { width: 96%; }
  .qwen-latest { grid-template-columns: minmax(130px, 0.7fr) minmax(150px, 0.8fr) minmax(0, 1fr); }
}

@media (max-width: 520px) {
  .qwen-settings__heading { flex-direction: column; gap: 10px; }
  .qwen-settings__runtime { grid-template-columns: 1fr; gap: 4px; }
  .qwen-settings__runtime dd { margin-bottom: 10px; }
  .connection-grid { grid-template-columns: 1fr; }
  .qwen-latest { grid-template-columns: 1fr auto; }
  .qwen-latest__meta { grid-column: 1 / -1; justify-content: flex-start; flex-wrap: wrap; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: 0.001ms !important; transition-duration: 0.001ms !important; }
}