:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --text: #17202a;
  --muted: #607086;
  --blue: #1a73e8;
  --blue-dark: #1557b0;
  --green-bg: #e6f4ea;
  --green: #137333;
  --yellow-bg: #fff4e5;
  --yellow: #8a5a00;
  --red-bg: #fde8e8;
  --red: #b3261e;
  --border: #dce3ed;
  --shadow: 0 12px 35px rgba(23, 32, 42, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 32px;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app-shell {
  max-width: 1180px;
  margin: 0 auto;
}

.hero,
.panel,
.card,
.book-main,
.debug-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 18px;
  box-shadow: var(--shadow);
}

.hero {
  padding: 34px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--blue-dark);
  font-weight: 800;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 13px;
}

h1 {
  margin: 0 0 14px;
  font-size: 38px;
  line-height: 1.08;
}

h2, h3 { margin-top: 0; }

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 17px;
  line-height: 1.55;
  max-width: 880px;
}

.panel {
  padding: 22px;
  margin-bottom: 18px;
}

.search-panel label {
  display: block;
  margin-bottom: 8px;
  font-weight: 800;
}

.search-row {
  display: flex;
  gap: 12px;
}

input {
  flex: 1;
  min-width: 240px;
  padding: 14px 16px;
  border: 1px solid #c9d3df;
  border-radius: 12px;
  font-size: 17px;
}

button {
  padding: 14px 20px;
  border: 0;
  border-radius: 12px;
  background: var(--blue);
  color: #fff;
  font-weight: 800;
  font-size: 15px;
  cursor: pointer;
}

button:hover { filter: brightness(0.94); }
button:disabled { opacity: 0.65; cursor: progress; }
button.secondary { background: #eaf1ff; color: var(--blue-dark); }

.hint {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.45;
}

.section-title-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: flex-start;
}

.quick-tests {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 16px;
}

.is-hidden { display: none; }

.test-chip {
  background: #f1f4f8;
  color: var(--text);
  border: 1px solid var(--border);
  padding: 10px 12px;
  font-weight: 700;
}

.results { margin-top: 20px; }

.status {
  padding: 15px 18px;
  margin-bottom: 16px;
  border-radius: 14px;
  font-weight: 800;
}

.status.valid { background: var(--green-bg); color: var(--green); }
.status.warning { background: var(--yellow-bg); color: var(--yellow); }
.status.invalid { background: var(--red-bg); color: var(--red); }

.book-main {
  display: flex;
  gap: 20px;
  padding: 20px;
  margin-bottom: 18px;
}

.cover,
.cover-placeholder {
  width: 135px;
  min-width: 135px;
  max-height: 210px;
  object-fit: cover;
  border-radius: 10px;
  border: 1px solid var(--border);
}

.cover-placeholder {
  min-height: 190px;
  display: grid;
  place-items: center;
  color: var(--muted);
  background: #f5f7fa;
  text-align: center;
  padding: 10px;
}

.summary-grid,
.source-grid,
.romanian-source-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
  margin-bottom: 18px;
}

.card {
  padding: 20px;
  box-shadow: none;
}

.wide-card {
  margin-bottom: 18px;
}

.source-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: flex-start;
}

.badge {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
  white-space: nowrap;
}

.badge.ok { background: var(--green-bg); color: var(--green); }
.badge.warn { background: var(--yellow-bg); color: var(--yellow); }
.badge.no { background: #eef2f6; color: #657487; }

.kv {
  display: grid;
  grid-template-columns: 155px 1fr;
  gap: 8px;
  margin: 9px 0;
}

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

.score-line {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 10px 0;
}

.score {
  font-size: 42px;
  font-weight: 900;
}

.stars {
  color: #b7791f;
  letter-spacing: 2px;
  font-size: 22px;
}

.check-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  padding: 7px 0;
  border-top: 1px solid #edf1f5;
}

.check-list li.yes { color: var(--green); }
.check-list li.no { color: #718096; }

.mini-source {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fbfcfe;
}

.mini-source span {
  display: block;
  color: var(--muted);
  margin-top: 3px;
  font-size: 13px;
}

.mini-source p {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.35;
}

.link-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

a {
  display: inline-block;
  margin: 4px 6px 4px 0;
  color: var(--blue);
  font-weight: 800;
  text-decoration: none;
}

a:hover { text-decoration: underline; }

.debug-card {
  padding: 16px 18px;
  margin-top: 18px;
  box-shadow: none;
}

.debug-card summary {
  cursor: pointer;
  font-weight: 900;
}

code,
pre {
  font-family: Consolas, Menlo, monospace;
}

pre {
  padding: 14px;
  border-radius: 12px;
  background: #111827;
  color: #d1d5db;
  white-space: pre-wrap;
  overflow: auto;
}

@media (max-width: 760px) {
  body { padding: 14px; }
  .hero, .panel { padding: 20px; }
  h1 { font-size: 30px; }
  .search-row, .section-title-row { flex-direction: column; }
  .book-main { flex-direction: column; }
  .kv { grid-template-columns: 1fr; }
  .cover, .cover-placeholder { width: 100%; max-width: 180px; }
}