/* ============================= Base ============================= */
:root {
  --bg: #12141a;
  --bg-raised: #1a1d26;
  --bg-hover: #22262f;
  --border: #2c313c;
  --text: #e8eaf0;
  --text-dim: #9aa0ae;
  --accent: #f5a623;
  --accent-dim: #b87d1a;
  --good: #3ddc84;
  --bad: #ff5c5c;
  --mono: "SF Mono", "Cascadia Code", "Fira Code", Consolas, "Roboto Mono", monospace;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  min-height: 100%;
}

.hidden { display: none !important; }

/* ============================= Top bar ============================= */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-raised);
  position: sticky;
  top: 0;
  z-index: 10;
}

.brand { font-size: 1.2rem; font-weight: 700; }
.brand span { letter-spacing: 0.02em; }

.nav { display: flex; gap: 0.5rem; }

.nav-btn {
  background: transparent;
  color: var(--text-dim);
  border: 1px solid transparent;
  padding: 0.45rem 1.1rem;
  border-radius: 8px;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 0.15s;
}
.nav-btn:hover { color: var(--text); background: var(--bg-hover); }
.nav-btn.active {
  color: var(--accent);
  border-color: var(--accent-dim);
  background: rgba(245, 166, 35, 0.08);
}

/* ============================= Views ============================= */
.view { display: none; max-width: 960px; margin: 0 auto; padding: 1.5rem 1.25rem 4rem; }
.view.active { display: block; }

/* ============================= Buttons & fields ============================= */
.primary-btn {
  background: var(--accent);
  color: #1a1205;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  padding: 0.7rem 1.6rem;
  font-size: 1rem;
  cursor: pointer;
  transition: filter 0.15s;
}
.primary-btn:hover { filter: brightness(1.1); }

.ghost-btn {
  background: var(--bg-raised);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.45rem 0.9rem;
  font-size: 0.9rem;
  cursor: pointer;
  transition: background 0.15s;
}
.ghost-btn:hover { background: var(--bg-hover); }
.ghost-btn.on { color: var(--accent); border-color: var(--accent-dim); }

.error-msg { color: var(--bad); }
.status-msg { color: var(--text-dim); margin: 1rem 0; text-align: center; }

/* ============================= Tuner ============================= */
.tuner-layout {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.tuner-controls {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
}

.field { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.85rem; color: var(--text-dim); }
.field select, .field input[type="range"] { min-width: 180px; }

select, input[type="search"] {
  background: var(--bg-raised);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.5rem 0.7rem;
  font-size: 0.95rem;
}

.gauge-wrap { position: relative; width: min(440px, 92vw); }
#gauge { width: 100%; display: block; }

.note-display {
  text-align: center;
  margin-top: 0.4rem;
}
.note-name {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1;
  transition: color 0.2s;
}
.note-name.in-tune { color: var(--good); text-shadow: 0 0 24px rgba(61, 220, 132, 0.5); }
.note-detail { color: var(--text-dim); font-size: 0.9rem; margin-top: 0.3rem; }

.cents-readout {
  font-family: var(--mono);
  font-size: 1.1rem;
  color: var(--text-dim);
  min-height: 1.4em;
}
.cents-readout.in-tune { color: var(--good); }

.string-row { display: flex; gap: 0.6rem; flex-wrap: wrap; justify-content: center; }

.string-btn {
  width: 58px;
  height: 58px;
  border-radius: 50%;
  border: 2px solid var(--border);
  background: var(--bg-raised);
  color: var(--text);
  font-size: 1.05rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.15s;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  line-height: 1.1;
}
.string-btn small { font-size: 0.6rem; color: var(--text-dim); font-weight: 400; }
.string-btn:hover { border-color: var(--accent-dim); }
.string-btn.near { border-color: var(--accent); box-shadow: 0 0 12px rgba(245, 166, 35, 0.35); }
.string-btn.tuned { border-color: var(--good); color: var(--good); }
.string-btn.tuned small { color: var(--good); }

.hint { color: var(--text-dim); font-size: 0.85rem; text-align: center; margin: 0; }

/* ============================= Tabs: search ============================= */
.search-bar {
  display: flex;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}
.search-bar input[type="search"] { flex: 1; min-width: 220px; font-size: 1.05rem; padding: 0.65rem 0.9rem; }

.shelf h2 { font-size: 0.95rem; color: var(--text-dim); margin: 1.2rem 0 0.5rem; }

.result-list { display: flex; flex-direction: column; gap: 0.45rem; }

.result-item {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 0.7rem 1rem;
  cursor: pointer;
  transition: background 0.12s, border-color 0.12s;
  text-align: left;
  width: 100%;
  color: var(--text);
  font: inherit;
}
.result-item:hover { background: var(--bg-hover); border-color: var(--accent-dim); }

.result-main { flex: 1; min-width: 0; }
.result-song { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.result-artist { color: var(--text-dim); font-size: 0.85rem; }

.result-badges { display: flex; align-items: center; gap: 0.7rem; flex-shrink: 0; }

.badge {
  font-size: 0.72rem;
  padding: 0.18rem 0.55rem;
  border-radius: 20px;
  border: 1px solid var(--border);
  color: var(--text-dim);
  white-space: nowrap;
}
.badge.type-Chords { color: #7ec8ff; border-color: #2a4a63; }
.badge.type-Tab, .badge.type-Tabs { color: #c8a2ff; border-color: #4a3a63; }
.badge.type-Bass { color: #8affb0; border-color: #2a634a; }
.badge.type-Ukulele { color: #ffb3e2; border-color: #63304f; }

.result-rating { font-size: 0.82rem; color: var(--accent); white-space: nowrap; }
.result-votes { font-size: 0.75rem; color: var(--text-dim); }

.pager { display: flex; align-items: center; justify-content: center; gap: 1rem; margin-top: 1.2rem; color: var(--text-dim); }

/* ============================= Tabs: viewer ============================= */
.viewer-toolbar { display: flex; align-items: center; gap: 1rem; margin-bottom: 0.6rem; }
.viewer-title { flex: 1; min-width: 0; }
.viewer-title h1 { margin: 0; font-size: 1.35rem; }
.viewer-artist { color: var(--text-dim); }
.star-btn { font-size: 1.2rem; }
.star-btn.on { color: var(--accent); }

.viewer-meta { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.9rem; }
.viewer-meta .badge { font-size: 0.8rem; }

.viewer-tools {
  display: flex;
  gap: 1.2rem;
  flex-wrap: wrap;
  align-items: center;
  padding: 0.6rem 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  margin-bottom: 1rem;
  position: sticky;
  top: 57px;
  background: var(--bg);
  z-index: 5;
}
.tool-group { display: flex; align-items: center; gap: 0.4rem; }
.tool-label { font-size: 0.8rem; color: var(--text-dim); }
.tool-value { font-family: var(--mono); min-width: 2ch; text-align: center; }

.tab-content {
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.5;
  white-space: pre;
  overflow-x: auto;
  background: var(--bg-raised);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.2rem 1.4rem;
  margin: 0;
}

.chord {
  color: var(--accent);
  font-weight: 700;
  cursor: pointer;
  border-radius: 3px;
}
.chord:hover { background: rgba(245, 166, 35, 0.18); }

.section-header { color: #7ec8ff; font-weight: 700; }

/* ============================= Chord popup ============================= */
.chord-popup {
  position: fixed;
  z-index: 100;
  background: var(--bg-raised);
  border: 1px solid var(--accent-dim);
  border-radius: 10px;
  padding: 0.6rem 0.8rem 0.4rem;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.5);
  pointer-events: none;
}
.chord-popup .chord-popup-name {
  text-align: center;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 0.2rem;
}

/* ============================= Print ============================= */
@media print {
  .topbar, .viewer-tools, .viewer-toolbar button, .chord-popup { display: none !important; }
  body { background: #fff; color: #000; }
  .view { display: none; }
  .view.active { display: block; max-width: none; padding: 0; }
  #tabs-search-screen { display: none; }
  .tab-content {
    background: #fff;
    color: #000;
    border: none;
    white-space: pre-wrap;
    font-size: 11px;
  }
  .chord { color: #000; font-weight: 700; }
  .viewer-title h1, .viewer-artist { color: #000; }
}

/* ============================= Small screens ============================= */
@media (max-width: 560px) {
  .note-name { font-size: 3rem; }
  .string-btn { width: 48px; height: 48px; font-size: 0.9rem; }
  .viewer-tools { top: 53px; gap: 0.7rem; }
}