@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,600&family=IBM+Plex+Sans:wght@400;500;600&display=swap');

:root {
  --ink: #202b32;
  --ink-soft: #4d5a61;
  --paper: #eef0e9;
  --card: #fbfaf6;
  --rule: #cdd0c3;
  --rust: #a4522c;
  --rust-dark: #833f20;
  --sage: #6f7d6b;
  --focus: #2f6f8f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: 'IBM Plex Sans', system-ui, sans-serif;
  line-height: 1.5;
}

h1, h2 {
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 600;
  margin: 0;
}

a { color: var(--rust-dark); }

button, input, a { font-family: inherit; }

:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

/* Masthead */
.masthead {
  background: var(--ink);
  color: #f4f1e8;
  padding: 2rem 1.5rem 2.25rem;
}
.masthead-inner {
  max-width: 960px;
  margin: 0 auto;
  position: relative;
}
.stamp {
  display: inline-block;
  font-family: 'Source Serif 4', serif;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: #f4f1e8;
  border: 1px solid rgba(244, 241, 232, 0.5);
  padding: 0.2rem 0.6rem;
  margin: 0 0 0.9rem;
  transform: rotate(-1.5deg);
}
.masthead h1 {
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  max-width: 30ch;
}
.logout-link {
  position: absolute;
  top: 0;
  right: 0;
  color: #f4f1e8;
  text-decoration: underline;
  font-size: 0.9rem;
}

/* Layout */
.layout {
  max-width: 960px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem 4rem;
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 2.5rem;
  align-items: start;
}
@media (max-width: 720px) {
  .layout { grid-template-columns: 1fr; }
}

.intake h2, .catalog h2 {
  font-size: 1.15rem;
  margin-bottom: 0.4rem;
}
.intake-note {
  color: var(--ink-soft);
  font-size: 0.9rem;
  margin-top: 0;
  margin-bottom: 1.2rem;
}

.dropzone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 0.25rem;
  background: var(--card);
  border: 1px dashed var(--sage);
  padding: 2.2rem 1rem;
  cursor: pointer;
  position: relative;
}
.dropzone-label { font-weight: 500; }
.dropzone-sub { font-size: 0.85rem; color: var(--ink-soft); }
.dropzone input {
  position: absolute;
  inset: 0;
  opacity: 0;
  cursor: pointer;
}

.intake-form button {
  width: 100%;
  margin-top: 0.9rem;
  background: var(--rust);
  color: #fff;
  border: none;
  padding: 0.75rem 1rem;
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
}
.intake-form button:hover { background: var(--rust-dark); }

.flash {
  padding: 0.6rem 0.8rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  border-left: 3px solid var(--sage);
}
.flash-ok { border-color: var(--sage); background: #eef2ea; }
.flash-error { border-color: var(--rust); background: #f7ece6; }

.catalog .count { color: var(--ink-soft); font-family: 'IBM Plex Sans', sans-serif; font-weight: 400; font-size: 1rem; }

.empty {
  color: var(--ink-soft);
  border: 1px solid var(--rule);
  padding: 1.5rem;
  background: var(--card);
}

.index-cards {
  list-style: none;
  margin: 1.2rem 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.index-card {
  background: var(--card);
  border-left: 3px solid var(--sage);
  padding: 0.8rem 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}
.index-card-title {
  margin: 0;
  font-weight: 500;
  word-break: break-word;
}
.index-card-meta {
  margin: 0.1rem 0 0;
  font-size: 0.82rem;
  color: var(--ink-soft);
}
.index-card-actions {
  display: flex;
  gap: 0.7rem;
  flex-shrink: 0;
  font-size: 0.88rem;
}
.btn-view { text-decoration: none; font-weight: 500; }
.btn-delete { color: var(--ink-soft); text-decoration: none; }
.btn-delete:hover { color: var(--rust-dark); }

/* Viewer */
.viewer-body { display: flex; flex-direction: column; height: 100vh; margin: 0; }
.viewer-bar {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  padding: 0.8rem 1.2rem;
  background: var(--ink);
  color: #f4f1e8;
  flex-shrink: 0;
}
.viewer-bar a { color: #f4f1e8; }
.viewer-title {
  margin: 0;
  flex: 1;
  font-size: 0.95rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.pdf-frame { flex: 1; width: 100%; border: none; }
.viewer-empty { padding: 2rem; color: var(--ink-soft); }

/* Login */
.login-body {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink);
}
.login-card {
  background: var(--card);
  padding: 2.5rem 2.2rem;
  max-width: 320px;
  width: 100%;
  text-align: center;
}
.login-card .stamp { color: var(--ink); border-color: var(--ink); }
.login-hint { color: var(--ink-soft); font-size: 0.9rem; }
.login-form { display: flex; flex-direction: column; gap: 0.7rem; margin-top: 1rem; }
.login-form input {
  padding: 0.6rem 0.7rem;
  border: 1px solid var(--rule);
  background: #fff;
}
.login-form button {
  background: var(--rust);
  color: #fff;
  border: none;
  padding: 0.65rem;
  font-weight: 500;
  cursor: pointer;
}
.login-form button:hover { background: var(--rust-dark); }
.error { color: var(--rust-dark); font-size: 0.88rem; }