:root {
  --bg: #0a0e14;
  --panel-dark: #0d1117;
  --panel-dark-2: #111823;
  --border-dark: #1e2a3a;
  --text-dark: #c9d1d9;
  --muted-dark: #6b7a90;
  --cyan: #35c9e8;
  --green: #3fd68c;
  --amber: #e3b341;
  --purple: #b98cff;
  --red: #ff6b6b;
  --mono: 'JetBrains Mono', 'D2Coding', Consolas, ui-monospace, monospace;
  --sans: 'Noto Sans KR', system-ui, -apple-system, sans-serif;
}

* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
body {
  background: radial-gradient(1200px 600px at 50% -10%, #10202e 0%, var(--bg) 60%);
  color: var(--text-dark);
  font-family: var(--sans);
  min-height: 100dvh;
}

.app {
  max-width: 1120px;
  margin: 0 auto;
  padding: 20px 16px 40px;
}

/* ── Header ─────────────────────────────── */
.head h1 {
  font-family: var(--mono);
  font-size: 26px;
  margin: 4px 0 6px;
  letter-spacing: -0.3px;
}
.head h1 em {
  color: var(--cyan);
  font-style: normal;
  text-shadow: 0 0 12px rgba(53, 201, 232, 0.35);
}
.sub {
  color: var(--muted-dark);
  font-size: 14px;
  margin: 0 0 16px;
  line-height: 1.6;
}
.sub b {
  color: var(--text-dark);
  font-weight: 500;
}

.input-row {
  display: flex;
  gap: 10px;
  background: var(--panel-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  padding: 10px 12px;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.input-row:focus-within {
  border-color: var(--cyan);
  box-shadow: 0 0 12px rgba(53, 201, 232, 0.25);
}
.query-input {
  flex: 1;
  min-width: 0;
  background: transparent;
  border: none;
  outline: none;
  color: var(--text-dark);
  font-family: var(--mono);
  font-size: 15px;
  caret-color: var(--cyan);
}
.query-input::placeholder {
  color: #4a586b;
}
.run-btn {
  background: var(--cyan);
  color: #04222b;
  border: none;
  border-radius: 8px;
  padding: 8px 16px;
  font-family: var(--mono);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  white-space: nowrap;
}
.run-btn:hover {
  filter: brightness(1.08);
}
.run-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.examples {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 12px 0 18px;
}
.chip {
  background: transparent;
  color: var(--muted-dark);
  border: 1px dashed var(--border-dark);
  border-radius: 20px;
  padding: 5px 12px;
  font-family: var(--mono);
  font-size: 12.5px;
  cursor: pointer;
  transition: all 0.15s;
}
.chip:hover {
  color: var(--cyan);
  border-color: var(--cyan);
  border-style: solid;
}

/* ── Stage (two panels) ─────────────────── */
.stage {
  display: grid;
  grid-template-columns: 390px 1fr;
  gap: 16px;
}
.panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
}
.panel-label {
  font-size: 12.5px;
  font-weight: 700;
  padding: 8px 12px;
  border-radius: 8px 8px 0 0;
}
.panel-label.light {
  background: #e9eef5;
  color: #2b3a4d;
}
.panel-label.dark {
  background: var(--panel-dark-2);
  color: var(--cyan);
  border: 1px solid var(--border-dark);
  border-bottom: none;
  font-family: var(--mono);
}

/* Left: ChatGPT-style phone (clean/light) */
.phone {
  background: #ffffff;
  border: 1px solid #d7dee7;
  border-radius: 0 0 16px 16px;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  flex: 1;
  min-height: 0;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
}
.phone-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border-bottom: 1px solid #eceff3;
  color: #1f2937;
  font-weight: 700;
  font-size: 14px;
}
.gpt-logo {
  color: #10a37f;
  font-size: 16px;
}
.model-chip {
  margin-left: auto;
  font-size: 11px;
  font-weight: 500;
  color: #6b7280;
  background: #f1f3f5;
  border-radius: 6px;
  padding: 2px 8px;
}
.chat {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
  min-height: 0;
  color: #1f2937;
  font-size: 14px;
  line-height: 1.62;
}
.bubble.user {
  align-self: flex-end;
  max-width: 82%;
  background: #eef1f4;
  color: #111827;
  border-radius: 16px 16px 4px 16px;
  padding: 9px 13px;
  font-size: 14px;
}
.msg.ai {
  display: flex;
  gap: 9px;
  align-items: flex-start;
}
.ai-avatar {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  background: #10a37f;
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 14px;
}
.ai-body {
  min-width: 0;
}
.thinking {
  color: #6b7280;
  font-size: 13px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.spin {
  width: 12px;
  height: 12px;
  border: 2px solid #cbd5e1;
  border-top-color: #10a37f;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}
.answer {
  word-break: break-word;
}
.answer p {
  margin: 0 0 8px;
}
.answer p:last-child {
  margin-bottom: 0;
}
.answer h4 {
  margin: 12px 0 6px;
  font-size: 14px;
  font-weight: 700;
}
.answer ul {
  margin: 6px 0;
  padding-left: 18px;
}
.answer li {
  margin: 3px 0;
}
.answer strong {
  font-weight: 700;
  color: #111827;
}
.answer a {
  color: #10a37f;
  text-decoration: none;
}
.answer a:hover {
  text-decoration: underline;
}
.answer .tbl-wrap {
  overflow-x: auto;
  margin: 8px 0;
}
.answer table {
  border-collapse: collapse;
  width: 100%;
  font-size: 12.5px;
}
.answer th,
.answer td {
  border: 1px solid #e3e8ee;
  padding: 5px 8px;
  text-align: left;
  vertical-align: top;
}
.answer th {
  background: #f6f8fa;
  font-weight: 700;
  white-space: nowrap;
}
.answer .cite {
  display: inline-block;
  font-size: 10px;
  color: #10a37f;
  border: 1px solid #b7e3d5;
  border-radius: 5px;
  padding: 0 4px;
  margin: 0 2px;
  vertical-align: middle;
}
.sources {
  margin-top: 12px;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.source-chip {
  font-size: 11px;
  color: #374151;
  background: #f3f5f7;
  border: 1px solid #e3e8ee;
  border-radius: 999px;
  padding: 3px 9px;
  text-decoration: none;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.source-chip:hover {
  border-color: #10a37f;
  color: #0f172a;
}
.empty-hint {
  color: #9aa4b2;
  font-size: 13px;
  margin: auto 0;
  text-align: center;
  padding: 20px;
}
.empty-hint.dark {
  color: var(--muted-dark);
  font-family: var(--mono);
  text-align: left;
}
.empty-hint.dark .prompt {
  color: var(--green);
}

/* Right: terminal internal feed (dark) */
.internal .counters {
  display: flex;
  gap: 8px;
  background: var(--panel-dark);
  border-left: 1px solid var(--border-dark);
  border-right: 1px solid var(--border-dark);
  padding: 8px 12px;
  font-family: var(--mono);
}
.counter {
  flex: 1;
  font-size: 12px;
  color: var(--muted-dark);
  background: var(--panel-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: 8px;
  padding: 6px 10px;
}
.counter b {
  color: var(--cyan);
  font-size: 16px;
  margin-right: 4px;
}
.feed {
  flex: 1;
  min-height: 0;
  background: var(--panel-dark);
  border: 1px solid var(--border-dark);
  border-radius: 0 0 12px 12px;
  padding: 10px 12px;
  font-family: var(--mono);
  font-size: 13px;
}
.feed-item {
  margin-bottom: 10px;
  opacity: 0;
  transform: translateY(6px);
  animation: fadein 0.28s forwards;
}
@keyframes fadein {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.q-line {
  display: flex;
  gap: 8px;
  align-items: baseline;
  flex-wrap: wrap;
}
.tag {
  flex-shrink: 0;
  font-size: 10.5px;
  font-weight: 700;
  border-radius: 5px;
  padding: 1px 7px;
  border: 1px solid;
}
.tag.cand {
  color: var(--cyan);
  border-color: var(--cyan);
}
.tag.verify {
  color: var(--amber);
  border-color: var(--amber);
}
.tag.map {
  color: var(--purple);
  border-color: var(--purple);
}
.q-text {
  color: var(--text-dark);
  word-break: break-word;
}
.q-text .sig {
  color: var(--green);
  margin-right: 4px;
}
.docs-sub {
  margin: 4px 0 0 6px;
  padding-left: 10px;
  border-left: 1px solid var(--border-dark);
}
.doc-line {
  color: var(--muted-dark);
  font-size: 11.5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.doc-line .dom {
  color: var(--green);
}

/* ── Bottom: suggestions ────────────────── */
.suggest {
  margin-top: 18px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.suggest-col {
  background: var(--panel-dark-2);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  padding: 14px 16px;
}
.suggest h3 {
  margin: 0 0 12px;
  font-size: 14.5px;
  color: var(--text-dark);
}
.suggest .muted {
  color: var(--muted-dark);
  font-weight: 400;
  font-size: 12px;
}
.kw-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.kw-item {
  border-left: 3px solid var(--cyan);
  background: var(--panel-dark);
  border-radius: 8px;
  padding: 10px 12px;
}
.kw-item .kw {
  font-family: var(--mono);
  color: var(--cyan);
  font-weight: 700;
  font-size: 14px;
}
.kw-item .tip {
  color: var(--muted-dark);
  font-size: 13px;
  margin-top: 5px;
  line-height: 1.55;
}
.dom-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.dom-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--mono);
  font-size: 13px;
}
.dom-item .rank {
  color: var(--muted-dark);
  width: 20px;
}
.dom-item .dom {
  color: var(--green);
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.dom-item .bar {
  height: 6px;
  background: var(--cyan);
  border-radius: 3px;
  opacity: 0.7;
}
.dom-item .cnt {
  color: var(--muted-dark);
  font-size: 11px;
}

.disclaimer {
  margin-top: 22px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-dark);
  color: var(--muted-dark);
  font-size: 12px;
  line-height: 1.7;
  font-family: var(--mono);
}
.disclaimer .prompt {
  color: var(--green);
}

/* ── Mobile: 상하 분할, 둘 다 항상 보임 ── */
@media (max-width: 800px) {
  .app {
    padding: 12px 10px 30px;
  }
  .head h1 {
    font-size: 19px;
    margin: 2px 0 8px;
  }
  .sub {
    display: none; /* 좁은 화면에선 부제 숨겨 패널 공간 확보 */
  }
  .examples {
    flex-wrap: nowrap;
    overflow-x: auto;
    margin: 10px 0 12px;
    padding-bottom: 2px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .examples::-webkit-scrollbar {
    display: none;
  }
  .chip {
    flex: 0 0 auto;
  }
  .stage {
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .panel.gpt {
    height: 37dvh;
  }
  .panel.internal {
    height: 37dvh;
  }
  .phone,
  .feed {
    flex: 1;
    min-height: 0;
  }
  .suggest {
    grid-template-columns: 1fr;
  }
}