/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: #1a1a2e;
  color: #e0e0e0;
  min-height: 100vh;
  font-size: 16px;
}

/* --- Header --- */
header {
  background: #16213e;
  padding: 1.2rem 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 2px solid #e2b714;
}

header h1 {
  font-size: 2rem;
  color: #e2b714;
  font-weight: 700;
}

nav { display: flex; gap: 0.6rem; }

.nav-btn {
  background: transparent;
  color: #a0a0b0;
  border: 1px solid #333;
  padding: 0.7rem 1.5rem;
  border-radius: 6px;
  cursor: pointer;
  font-size: 1.1rem;
  transition: all 0.2s;
}
.nav-btn:hover { color: #fff; border-color: #e2b714; }
.nav-btn.active { background: #e2b714; color: #1a1a2e; border-color: #e2b714; font-weight: 600; }
.github-link { display: inline-flex; align-items: center; gap: 0.45rem; text-decoration: none; }

/* --- Views --- */
.view { display: none; padding: 2rem 3rem; }
.view.active { display: block; }

/* --- About --- */
.about-content {
  display: grid;
  grid-template-columns: 1fr 450px;
  gap: 3rem;
  max-width: 1400px;
  margin: 0 auto;
}
.about-text h2 { color: #e2b714; margin: 2rem 0 0.8rem; font-size: 1.6rem; }
.about-text h2:first-child { margin-top: 0; }
.about-text h3 { color: #ccc; margin: 1.5rem 0 0.6rem; font-size: 1.3rem; }
.about-text p, .about-text li { line-height: 1.7; color: #bbb; font-size: 1.1rem; }
.about-text ul { padding-left: 1.5rem; }
.about-text li { margin-bottom: 0.5rem; }
.about-note {
  margin-top: 2rem;
  padding: 1.2rem;
  background: #16213e;
  border-left: 4px solid #e2b714;
  border-radius: 4px;
  font-size: 1rem;
  color: #aaa;
}
.about-image img {
  width: 100%;
  border-radius: 8px;
  border: 2px solid #333;
}

/* --- Board Container (shared) --- */
.board-container {
  position: relative;
  display: inline-block;
  line-height: 0;
  max-width: 650px;
}
.board-container img {
  display: block;
  width: 100%;
  border-radius: 6px;
  border: 2px solid #333;
}
.board-container canvas {
  position: absolute;
  top: 0;
  left: 0;
  pointer-events: auto;
  cursor: crosshair;
  /* sized by JS to match image exactly */
}

/* --- Lookup View --- */
.lookup-layout {
  display: grid;
  grid-template-columns: 340px 1fr;
  gap: 1.5rem;
  max-width: 1300px;
  margin: 0 auto;
}
.lookup-main .board-container { max-width: 480px; }

.search-controls { margin-bottom: 1rem; }
.search-controls input[type="text"] {
  width: 100%;
  padding: 0.6rem 0.8rem;
  background: #16213e;
  border: 1px solid #333;
  border-radius: 4px;
  color: #e0e0e0;
  font-size: 1rem;
  margin-bottom: 0.5rem;
}
.search-controls input[type="text"]:focus { outline: none; border-color: #e2b714; }

.filter-row {
  display: flex;
  gap: 0.8rem;
  align-items: center;
}
.filter-row select {
  flex: 1;
  padding: 0.4rem;
  background: #16213e;
  border: 1px solid #333;
  border-radius: 4px;
  color: #e0e0e0;
  font-size: 0.9rem;
}
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.3rem;
  font-size: 0.9rem;
  color: #aaa;
  white-space: nowrap;
  cursor: pointer;
}

.results-list {
  max-height: 65vh;
  overflow-y: auto;
  border: 1px solid #333;
  border-radius: 6px;
}

.result-item {
  padding: 0.6rem 0.8rem;
  border-bottom: 1px solid #222;
  cursor: pointer;
  transition: background 0.15s;
}
.result-item:hover { background: #16213e; }
.result-item.selected { background: #1a3a5c; border-left: 3px solid #e2b714; }
.result-item .result-name {
  font-size: 0.95rem;
  color: #ddd;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.result-item .result-meta {
  font-size: 0.8rem;
  color: #888;
  margin-top: 0.2rem;
}

.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.5rem;
  padding: 0.8rem;
  font-size: 0.85rem;
  color: #888;
}
.pagination button {
  background: #16213e;
  border: 1px solid #333;
  color: #aaa;
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
  cursor: pointer;
  font-size: 0.85rem;
}
.pagination button:hover { border-color: #e2b714; color: #fff; }
.pagination button:disabled { opacity: 0.3; cursor: default; }

.lookup-main {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.problem-details {
  background: #16213e;
  border-radius: 6px;
  padding: 1.2rem;
  border: 1px solid #333;
}
.placeholder-text { color: #666; font-style: italic; font-size: 0.95rem; }

.detail-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem 1.5rem;
}
.detail-item label {
  font-size: 0.75rem;
  color: #888;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.detail-item .value {
  font-size: 1rem;
  color: #e0e0e0;
  font-weight: 500;
}
.detail-item .value.grade {
  color: #e2b714;
  font-weight: 700;
  font-size: 1.15rem;
}
.detail-name {
  grid-column: 1 / -1;
  margin-bottom: 0.4rem;
}
.detail-name .value {
  font-size: 1.2rem;
  color: #fff;
}
.detail-holds-list {
  grid-column: 1 / -1;
}
.hold-tag {
  display: inline-block;
  padding: 0.15rem 0.4rem;
  border-radius: 3px;
  font-size: 0.8rem;
  margin: 0.15rem 0.1rem;
}
.hold-tag.start { background: rgba(76, 175, 80, 0.25); color: #4caf50; }
.hold-tag.middle { background: rgba(33, 150, 243, 0.25); color: #2196f3; }
.hold-tag.end { background: rgba(244, 67, 54, 0.25); color: #f44336; }

/* --- Create View --- */
.create-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 2rem;
  max-width: 1300px;
  margin: 0 auto;
}
.create-main {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.hold-type-selector {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  font-size: 1.1rem;
  color: #aaa;
}
.hold-type-selector label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  cursor: pointer;
}

.create-sidebar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.create-sidebar h3 { color: #e2b714; font-size: 1.3rem; }

.selected-holds-list {
  background: #16213e;
  border: 1px solid #333;
  border-radius: 6px;
  min-height: 200px;
  max-height: 45vh;
  overflow-y: auto;
  padding: 0.6rem;
}

.hold-chip {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.5rem 0.8rem;
  margin-bottom: 0.4rem;
  border-radius: 4px;
  font-size: 1.05rem;
}
.hold-chip.start { background: rgba(76, 175, 80, 0.2); color: #4caf50; }
.hold-chip.middle { background: rgba(33, 150, 243, 0.2); color: #2196f3; }
.hold-chip.end { background: rgba(244, 67, 54, 0.2); color: #f44336; }
.hold-chip button {
  background: none;
  border: none;
  color: inherit;
  cursor: pointer;
  font-size: 1.2rem;
  opacity: 0.6;
}
.hold-chip button:hover { opacity: 1; }

.predict-btn, .clear-btn {
  padding: 0.9rem;
  border: none;
  border-radius: 6px;
  font-size: 1.15rem;
  cursor: pointer;
  font-weight: 600;
}
.predict-btn {
  background: #e2b714;
  color: #1a1a2e;
}
.predict-btn:disabled { opacity: 0.4; cursor: default; }
.predict-btn:not(:disabled):hover { background: #f0c830; }
.clear-btn {
  background: transparent;
  border: 1px solid #555;
  color: #aaa;
}
.clear-btn:hover { border-color: #f44336; color: #f44336; }

.prediction-result {
  background: #16213e;
  border-radius: 8px;
  padding: 1.5rem;
  border: 1px solid #333;
}
.prediction-result:empty { display: none; }
.predicted-grade {
  font-size: 3rem;
  font-weight: 700;
  color: #e2b714;
  text-align: center;
  margin-bottom: 0.3rem;
}
.predicted-numeric {
  font-size: 1rem;
  color: #888;
  text-align: center;
  margin-bottom: 1rem;
}
.match-info {
  border-top: 1px solid #333;
  padding-top: 1rem;
  font-size: 1rem;
}
.match-info h4 { color: #4caf50; margin-bottom: 0.5rem; font-size: 1.1rem; }
.match-item {
  padding: 0.5rem 0;
  border-bottom: 1px solid #222;
}
.match-item:last-child { border-bottom: none; }

/* --- Responsive --- */
@media (max-width: 1000px) {
  header { flex-direction: column; gap: 0.8rem; padding: 1rem 1.5rem; }
  .view { padding: 1.5rem; }
  .about-content { grid-template-columns: 1fr; }
  .lookup-layout { grid-template-columns: 1fr; }
  .create-layout { grid-template-columns: 1fr; }
  .lookup-sidebar { order: 2; }
  .lookup-main { order: 1; }
}