/* ── Wormy · leafy green theme (sibling to Bunny's pink) ── */

:root {
  --green-bg:    #f0f7ee;
  --green-dot:   #c7e0bc;
  --green-light: #d6eccd;
  --green-mid:   #5a8c4a;
  --green-deep:  #3a6b2c;
  --cream:       #fbf9f3;
  --brown:       #2c3a23;
  --brown-light: #5a6a4d;
  --border:      #a8c69a;
  --shadow:      rgba(58, 107, 44, 0.18);
}

* { box-sizing: border-box; }

html {
  font-size: 16px;
  line-height: 1.6;
  font-family: "Georgia", "Palatino Linotype", serif;
  color: var(--brown);
  background-color: var(--green-bg);
  background-image: radial-gradient(circle, var(--green-dot) 2.5px, transparent 2.5px);
  background-size: 22px 22px;
}

body { margin: 0; padding: 0; min-height: 100vh; }

/* ── App header ── */
.app-header {
  background: var(--green-mid);
  background-image: radial-gradient(circle, var(--green-deep) 2px, transparent 2px);
  background-size: 16px 16px;
  padding: 0.75rem 1rem;
  text-align: center;
  border-bottom: 3px solid var(--green-deep);
  box-shadow: 0 2px 6px var(--shadow);
}

.app-title {
  font-size: 1.5rem;
  font-weight: bold;
  color: #fff;
  letter-spacing: 0.05em;
  text-shadow: 1px 1px 0 var(--green-deep), 2px 2px 0 rgba(0,0,0,0.1);
}

/* ── Tabs ── */
.tabs {
  display: flex;
  background: var(--cream);
  border-bottom: 3px solid var(--border);
}

.tabs button {
  flex: 1;
  padding: 0.6rem 0.5rem;
  border: none;
  border-right: 1px solid var(--border);
  background: transparent;
  color: var(--brown-light);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tabs button:last-child { border-right: none; }

.tabs button:hover {
  background: var(--green-light);
  color: var(--brown);
}

.tabs button.active {
  background: var(--green-mid);
  color: #fff;
  box-shadow: inset 0 -3px 0 var(--green-deep);
}

/* ── Tab panels ── */
.tab-panel {
  padding: 1.25rem 1rem 2rem;
  max-width: 560px;
  margin: 0 auto;
}

.tab-panel h2 {
  font-size: 1.2rem;
  color: var(--green-deep);
  margin-top: 0;
  border-bottom: 2px dashed var(--green-light);
  padding-bottom: 0.4rem;
}

/* ── Lookup row ── */
.lookup-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: stretch;
  margin-bottom: 1rem;
}

#scan-btn {
  background: var(--green-mid);
  color: #fff;
  border: 2px solid var(--green-deep);
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: bold;
  cursor: pointer;
  box-shadow: 0 3px 0 var(--green-deep);
}

#scan-btn:hover { background: var(--green-deep); }
#scan-btn:active { transform: translateY(1px); box-shadow: 0 1px 0 var(--green-deep); }

.manual-isbn {
  display: flex;
  gap: 0.4rem;
  flex: 1;
  min-width: 200px;
}

.manual-isbn input {
  flex: 1;
  padding: 0.5rem 0.65rem;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: var(--cream);
  font-family: inherit;
  font-size: 0.95rem;
}

#lookup-btn {
  padding: 0.4rem 0.8rem;
  background: var(--cream);
  border: 2px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-weight: bold;
  color: var(--green-deep);
  cursor: pointer;
}

#lookup-btn:hover { background: var(--green-light); border-color: var(--green-mid); }

/* ── Scanner ── */
#scanner-area {
  margin-bottom: 1rem;
  background: #000;
  border: 2px solid var(--green-deep);
  border-radius: 8px;
  padding: 0.5rem;
  text-align: center;
}

#scanner-video {
  width: 100%;
  max-height: 320px;
  border-radius: 4px;
  background: #000;
}

#stop-scan {
  margin-top: 0.5rem;
  padding: 0.4rem 1rem;
  background: var(--cream);
  border: 2px solid var(--border);
  border-radius: 6px;
  font-family: inherit;
  font-weight: bold;
  color: var(--green-deep);
  cursor: pointer;
}

/* ── Form fields ── */
.field { margin-bottom: 1rem; }

.field.row { display: flex; gap: 0.6rem; }
.field.row .col { flex: 1; }

label {
  display: block;
  font-size: 0.85rem;
  font-weight: bold;
  color: var(--brown-light);
  margin-bottom: 0.3rem;
}

label .hint { font-weight: normal; color: var(--brown-light); opacity: 0.7; font-size: 0.8rem; }

input[type="text"],
input[type="number"],
input[type="url"],
input[type="password"],
select,
textarea {
  width: 100%;
  padding: 0.5rem 0.65rem;
  border: 2px solid var(--border);
  border-radius: 6px;
  background: var(--cream);
  color: var(--brown);
  font-family: inherit;
  font-size: 0.95rem;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--green-mid);
  box-shadow: 0 0 0 3px rgba(90, 140, 74, 0.2);
}

textarea { min-height: 80px; resize: vertical; }

#cover-preview {
  display: block;
  margin-top: 0.5rem;
  max-width: 100px;
  border: 2px solid var(--border);
  border-radius: 4px;
}

/* ── Buttons ── */
button[type="submit"],
#test-connection,
#sync-all,
#sync-now,
#clear-local {
  display: inline-block;
  padding: 0.55rem 1.2rem;
  background: var(--green-mid);
  color: #fff;
  border: 2px solid var(--green-deep);
  border-radius: 6px;
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: bold;
  cursor: pointer;
  transition: background 0.15s, transform 0.1s;
  box-shadow: 0 3px 0 var(--green-deep);
}

button[type="submit"]:hover,
#test-connection:hover,
#sync-all:hover,
#sync-now:hover,
#clear-local:hover {
  background: var(--green-deep);
  transform: translateY(-1px);
}

button[type="submit"]:active,
#test-connection:active,
#sync-all:active,
#sync-now:active,
#clear-local:active {
  transform: translateY(1px);
  box-shadow: 0 1px 0 var(--green-deep);
}

.btn-row { display: flex; gap: 0.5rem; }

/* ── Status ── */
.status {
  margin-top: 0.75rem;
  padding: 0.4rem 0.75rem;
  border-radius: 6px;
  font-size: 0.9rem;
  border-left: 3px solid;
}

.status.ok { background: #f0fff4; color: #276749; border-color: #48bb78; }
.status.error { background: #fff5f5; color: #9b2335; border-color: #fc8181; }

/* ── Library list ── */
#library-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
  border-bottom: 2px dashed var(--green-light);
  padding-bottom: 0.5rem;
}

#library-header h2 { margin: 0; border: none; padding: 0; }

#sync-now { font-size: 0.85rem; padding: 0.35rem 0.8rem; }

.filter-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 1rem;
}

.filter {
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--border);
  background: var(--cream);
  color: var(--brown-light);
  font-family: inherit;
  font-size: 0.8rem;
  border-radius: 12px;
  cursor: pointer;
}

.filter.active {
  background: var(--green-mid);
  color: #fff;
  border-color: var(--green-deep);
}

.book-card {
  display: flex;
  gap: 0.75rem;
  background: var(--cream);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 0.75rem;
  margin-bottom: 0.75rem;
  box-shadow: 2px 3px 0 var(--shadow);
  cursor: pointer;
  transition: border-color 0.1s, box-shadow 0.1s;
}

.book-card:hover, .book-card:focus {
  border-color: var(--green-mid);
  box-shadow: 2px 4px 0 var(--shadow);
  outline: none;
}

.book-card .cover {
  flex-shrink: 0;
  width: 60px;
  height: 90px;
  background: var(--green-light);
  border-radius: 4px;
  object-fit: cover;
}

.book-card .info { flex: 1; min-width: 0; }
.book-card .info h3 {
  margin: 0 0 0.2rem;
  font-size: 1rem;
  color: var(--green-deep);
}

.book-card .authors { font-size: 0.85rem; color: var(--brown-light); margin: 0 0 0.3rem; }
.book-card .meta { font-size: 0.75rem; color: var(--brown-light); margin: 0; }
.book-card .notes { font-size: 0.85rem; margin: 0.4rem 0 0; color: var(--brown); font-style: italic; }

.book-card .actions {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 0.3rem;
}

.delete-book {
  background: none;
  border: 1px solid var(--border);
  color: var(--brown-light);
  border-radius: 4px;
  padding: 0.15rem 0.45rem;
  cursor: pointer;
  font-size: 0.8rem;
}

.delete-book:hover { background: var(--green-light); border-color: var(--green-mid); }

.badge {
  font-size: 0.7rem;
  padding: 0.1rem 0.4rem;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.badge.synced { background: #c6f6d5; color: #276749; }
.badge.pending { background: var(--green-light); color: var(--green-deep); }
.badge.status-to-read { background: #fef3c7; color: #92400e; }
.badge.status-reading { background: #dbeafe; color: #1e40af; }
.badge.status-read { background: #c6f6d5; color: #276749; }
.badge.status-abandoned { background: #f3f4f6; color: #6b7280; }

/* ── Settings ── */
#settings-form {
  background: var(--cream);
  border: 2px solid var(--border);
  border-radius: 10px;
  padding: 1rem;
  box-shadow: 2px 3px 0 var(--shadow);
}

#sync-all, #clear-local {
  background: #fff;
  color: var(--green-deep);
  border: 1px solid #ccc;
  box-shadow: none;
  padding: 0.5rem 0.9rem;
  font-size: 0.9rem;
}

#sync-all:hover, #clear-local:hover {
  background: var(--green-light);
  border-color: var(--green-mid);
  color: var(--green-deep);
}

hr {
  border: none;
  border-top: 2px dashed var(--green-light);
  margin: 1.5rem 0;
}

.muted { font-size: 0.9rem; color: var(--brown-light); }

.edit-banner {
  background: var(--green-light);
  color: var(--green-deep);
  border: 2px solid var(--green-mid);
  border-radius: 8px;
  padding: 0.5rem 0.75rem;
  margin-bottom: 1rem;
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.edit-banner[hidden] { display: none; }

.edit-banner button {
  background: var(--cream);
  border: 1px solid var(--green-deep);
  border-radius: 4px;
  padding: 0.2rem 0.6rem;
  color: var(--green-deep);
  font-family: inherit;
  font-size: 0.85rem;
  cursor: pointer;
}

.warning-banner {
  background: #fffbea;
  color: #7d4a00;
  border: 2px solid #f6ad55;
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 0.9rem;
  margin-bottom: 1rem;
  line-height: 1.4;
}