/* Minimal, clean styling for paper demo pages */

:root {
  --bg: #f6f7fb;
  --card: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --border: rgba(17, 24, 39, 0.12);
  --accent: #2563eb;
  --shadow: 0 12px 28px rgba(17, 24, 39, 0.08);
}

* {
  box-sizing: border-box;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji",
    "Segoe UI Emoji";
  line-height: 1.5;
  color: var(--text);
  background: radial-gradient(1100px 650px at 20% 0%, rgba(37, 99, 235, 0.10), transparent 60%),
    radial-gradient(900px 600px at 80% 10%, rgba(99, 102, 241, 0.08), transparent 55%), var(--bg);
}

code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
  font-size: 0.95em;
}

.page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 16px 44px;
}

.hero {
  padding: 10px 4px 18px;
  text-align: center;
}

.paper-title {
  margin: 0;
  font-size: 32px;
  letter-spacing: -0.02em;
}

.subtitle {
  margin: 8px 0 0;
  color: var(--muted);
}

.card {
  margin-top: 16px;
  padding: 18px 18px;
  border: 1px solid var(--border);
  background: var(--card);
  box-shadow: var(--shadow);
  border-radius: 14px;
}

h2 {
  margin: 0 0 10px;
  font-size: 18px;
  letter-spacing: -0.01em;
  text-align: center;
}

.hint {
  margin: 0 0 12px;
  color: var(--muted);
  text-align: center;
}

.abstract {
  margin: 0 auto;
  color: var(--text);
  text-align: center;
  max-width: 85ch;
}

.image-placeholder {
  border: 1px dashed rgba(17, 24, 39, 0.22);
  border-radius: 12px;
  background: rgba(17, 24, 39, 0.03);
  min-height: 260px;
  display: grid;
  place-items: center;
  padding: 18px;
}

.screenshot-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  justify-items: center;
}

.screenshot {
  margin: 0;
  width: min(980px, 100%);
}

.screenshot img {
  width: 100%;
  height: auto;
  display: block;
  border-radius: 12px;
  border: 1px solid var(--border);
  box-shadow: 0 10px 26px rgba(17, 24, 39, 0.12);
}

.screenshot figcaption {
  margin-top: 8px;
  text-align: center;
  color: var(--muted);
  font-size: 14px;
}

.placeholder-inner {
  text-align: center;
  max-width: 680px;
}

.placeholder-title {
  font-weight: 700;
  margin-bottom: 8px;
}

.placeholder-hint {
  color: var(--muted);
  margin-bottom: 10px;
}

.placeholder-filename {
  color: var(--muted);
}

.table-scroll {
  overflow-x: auto;
  padding-bottom: 4px;
}

.audio-table {
  width: 100%;
  min-width: 600px;
  border-collapse: collapse;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  table-layout: fixed;
}

.audio-table col.col-type {
  width: 170px;
}

.audio-table col.col-transcript {
  width: 260px;
}

.audio-table col.col-audio {
  width: 200px;
}

.audio-table thead th {
  text-align: left;
  font-weight: 700;
  padding: 12px 10px;
  background: rgba(37, 99, 235, 0.10);
  border-bottom: 1px solid var(--border);
  white-space: normal;
  word-break: break-word;
}

.audio-table tbody th,
.audio-table tbody td {
  padding: 8px 8px;
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  vertical-align: middle;
  overflow-wrap: anywhere;
}

.audio-table tbody th {
  font-weight: 650;
  color: var(--text);
  white-space: normal;
}

.audio-table tbody tr:hover td,
.audio-table tbody tr:hover th {
  background: rgba(17, 24, 39, 0.03);
}

audio {
  width: 160px;
  max-width: 100%;
  min-width: 0;
}

.audio-table audio {
  width: 100%;
  display: block;
  margin: 0 auto;
  min-width: 180px;
}

.transcript {
  min-width: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
  hyphens: auto;
}

.footer {
  margin-top: 18px;
  color: var(--muted);
  padding: 0 2px;
  text-align: center;
}

.muted {
  color: var(--muted);
}

@media (max-width: 560px) {
  .paper-title {
    font-size: 26px;
  }

  .card {
    padding: 16px 14px;
  }

  .image-placeholder {
    min-height: 220px;
  }
}