/* =============================================================================
   Libby × Goodreads — "Circulation Desk"
   Cool grey-green paper, one deep teal, geometric headings over a workhorse
   body face, generous air. Every colour and shape decision below reads from a
   token in :root, so retheming means editing that block and nothing else.
   ========================================================================== */

:root {
  /* Ground & ink — neutrals biased slightly green so they read as chosen */
  --bg:        #F1F4F4;
  --card:      #FFFFFF;
  --ink:       #16211F;
  --muted:     #63736F;
  --line:      #E2E8E7;
  --line-soft: #EDF1F0;

  /* Accent — the only brand colour on the page */
  --accent:      #0D6E68;
  --accent-dark: #0A5B56;
  --accent-soft: #E3F0EE;
  --on-accent:   #FFFFFF;

  /* Semantic status — separate from the accent on purpose */
  --ok:      #1D6B3F;
  --ok-bg:   #E4F2E9;
  --wait:    #8A5F12;
  --wait-bg: #FBF0DA;
  --err:     #A6271C;

  /* Shape */
  --r:    10px;
  --r-sm:  7px;
  --shadow: 0 1px 2px rgba(16, 40, 36, 0.05);

  /* Type */
  --font-head: "Sora", ui-sans-serif, system-ui, -apple-system, sans-serif;
  --font-body: "IBM Plex Sans", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}
.wrap { max-width: 760px; margin: 0 auto; padding: 8px 18px 72px; }

:where(a, button, input, select, summary):focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ------------------------------------------------------------------- Hero */
.hero { padding: 34px 0 14px; }
.hero h1 {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(1.7rem, 5vw, 2.15rem);
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--ink);
  margin: 0;
  text-wrap: balance;
}

/* ------------------------------------------------------------------ Cards */
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r);
  box-shadow: var(--shadow);
  padding: 22px 24px;
  margin: 16px 0;
}
h2 {
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: -0.02em;
  margin: 0 0 10px;
  display: flex; align-items: center; gap: 11px; flex-wrap: wrap;
}
.stepnum {
  display: inline-flex; align-items: center; justify-content: center;
  width: 25px; height: 25px; flex: none;
  border-radius: var(--r-sm);
  background: var(--accent); color: var(--on-accent);
  font-family: var(--font-body); font-size: 0.83rem; font-weight: 600;
  letter-spacing: 0;
}
.help { color: var(--muted); font-size: 0.88rem; margin: 0 0 14px; }
.help a { color: var(--accent-dark); }
.muted { color: var(--muted); }
.small { font-size: 0.82rem; }
code {
  background: var(--accent-soft); color: var(--accent-dark);
  padding: 1px 5px; border-radius: 4px; font-size: 0.85em;
}

/* --------------------------------------------------------------- Dropzone */
.dropzone {
  border: 1.5px dashed #BFD4D1;
  border-radius: var(--r-sm);
  background: #F7FAFA;
  padding: 26px; text-align: center; cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}
.dropzone:hover, .dropzone.drag { background: var(--accent-soft); border-color: var(--accent); }
.dropzone p { margin: 0; color: var(--accent-dark); font-size: 0.95rem; }

.status { margin-top: 12px; font-size: 0.89rem; color: var(--muted); }
.status.ok  { color: var(--ok); }
.status.err { color: var(--err); }

.shelf-row { margin-top: 14px; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 0.9rem; }

select, input[type="text"] {
  font: inherit; font-size: 0.9rem;
  padding: 8px 11px;
  border: 1px solid #D3DDDB; border-radius: var(--r-sm);
  background: var(--card); color: var(--ink);
  max-width: 100%;
}
input[type="text"] { width: 100%; }
select:hover, input[type="text"]:hover { border-color: #B4C6C3; }

/* -------------------------------------------------------- Library picker */
.lib-search { position: relative; margin-top: 2px; }
.lib-search label {
  display: block; margin-bottom: 7px;
  font-size: 0.82rem; font-weight: 600; color: var(--muted);
}
.lib-results {
  position: absolute; z-index: 10; left: 0; right: 0; margin-top: 5px;
  background: var(--card); border: 1px solid var(--line); border-radius: var(--r-sm);
  box-shadow: 0 8px 26px rgba(16, 40, 36, 0.14);
  max-height: 270px; overflow-y: auto;
}
.lib-results button {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px;
  width: 100%; text-align: left; padding: 9px 13px;
  border: none; background: none; font: inherit; color: var(--ink); cursor: pointer;
}
.lib-results .libkey {
  flex: none; font-size: 0.75rem; color: var(--muted);
}
.lib-results button:hover .libkey { color: var(--accent-dark); }
.lib-results button:hover { background: var(--accent-soft); }
.lib-results .none { padding: 11px 13px; color: var(--muted); font-size: 0.88rem; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.chip {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--accent-soft); color: var(--accent-dark);
  border-radius: var(--r-sm); padding: 5px 11px; font-size: 0.86rem;
}
.chip button {
  border: none; background: none; cursor: pointer; padding: 0; line-height: 1;
  font-size: 1rem; color: var(--accent-dark); opacity: 0.65;
}
.chip button:hover { opacity: 1; }

/* ------------------------------------------------------------------- Run */
button.go {
  font-family: var(--font-body); font-weight: 600; font-size: 1rem;
  background: var(--accent); color: var(--on-accent); border: none;
  border-radius: 8px; padding: 12px 26px; cursor: pointer;
  transition: background 0.15s;
}
button.go:hover:not(:disabled) { background: var(--accent-dark); }
button.go:disabled { opacity: 0.4; cursor: not-allowed; }

button.secondary {
  font: inherit; font-weight: 500;
  background: var(--card); color: var(--accent-dark);
  border: 1px solid #C4D6D3; border-radius: 8px;
  padding: 9px 18px; cursor: pointer;
}
button.secondary:hover { background: var(--accent-soft); border-color: var(--accent); }

.linkish {
  border: none; background: none; font: inherit; font-size: 0.85rem;
  color: var(--muted); text-decoration: underline; cursor: pointer;
}
.linkish:hover { color: var(--ink); }

.progress {
  height: 8px; background: var(--line-soft); border-radius: 999px;
  overflow: hidden; margin: 18px 0 8px;
}
.progress-bar { height: 100%; width: 0%; background: var(--accent); transition: width 0.2s; }

/* --------------------------------------------------------------- Results */
.summary {
  display: flex; gap: 12px 28px; flex-wrap: wrap;
  justify-content: space-around; text-align: center;
}
.summary .stat b {
  display: block;
  font-family: var(--font-head); font-weight: 600; font-size: 1.6rem;
  letter-spacing: -0.03em; line-height: 1.15;
  color: var(--accent); font-variant-numeric: tabular-nums;
}
.summary .stat span { font-size: 0.8rem; color: var(--muted); }

.marker {
  display: inline-block; vertical-align: 1px; margin-right: 3px;
  font-size: 0.68rem; font-weight: 600; letter-spacing: 0.09em; text-transform: uppercase;
  background: var(--accent-soft); color: var(--accent-dark);
  padding: 3px 7px; border-radius: var(--r-sm); flex: none;
}
.count { font-weight: 400; font-size: 0.85rem; color: var(--muted); font-variant-numeric: tabular-nums; }
.result-block h2 { margin-bottom: 4px; }

.book-list { display: flex; flex-direction: column; }
.book {
  display: flex; gap: 14px; padding: 13px 0;
  border-top: 1px solid var(--line-soft); align-items: flex-start;
}
.book:first-child { border-top: none; }
.book img.cover, .book .cover-ph {
  width: 50px; height: 75px; flex: none;
  border-radius: 4px; background: #E7EDEC;
}
.book img.cover { object-fit: cover; }
.book .info { flex: 1; min-width: 0; }
.book .title { font-weight: 600; font-size: 0.96rem; margin: 0; }
.book .author { color: var(--muted); font-size: 0.87rem; margin: 0 0 5px; }
.book .where { font-size: 0.87rem; margin: 2px 0; }

.badge {
  display: inline-block; font-size: 0.76rem;
  border-radius: var(--r-sm); padding: 2px 8px; margin: 2px 6px 2px 0;
}
.badge.now  { background: var(--ok-bg);   color: var(--ok); }
.badge.wait { background: var(--wait-bg); color: var(--wait); }

.borrow {
  font-size: 0.86rem; font-weight: 600; color: var(--accent-dark);
  text-decoration: none; white-space: nowrap;
}
.borrow:hover { text-decoration: underline; }

.compact .book { padding: 9px 0; }
.compact .cover, .compact .cover-ph { display: none; }

/* ------------------------------------------------------- Collapse blocks */
.collapse summary {
  cursor: pointer;
  font-family: var(--font-head); font-weight: 600; font-size: 1.02rem;
  letter-spacing: -0.02em;
  list-style-position: outside;
}
.collapse > summary { margin-bottom: 6px; }
.subcollapse { margin-top: 12px; border-top: 1px solid var(--line); padding-top: 12px; }
.subcollapse > summary {
  cursor: pointer; font-size: 0.85rem; font-weight: 600;
  color: var(--accent-dark);
}
.subcollapse > summary:hover { text-decoration: underline; }

.empty { color: var(--muted); font-size: 0.89rem; padding: 8px 0; }
.export-row { text-align: center; margin: 24px 0 0; }

@media (max-width: 560px) {
  .wrap { padding: 4px 14px 56px; }
  .card { padding: 17px 16px; }
  .summary { gap: 14px 18px; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}