/* MOD Player — retro tracker theme */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:       #1a1a2e;
  --bg2:      #242444;
  --bg3:      #2e2e52;
  --border:   #3a3a6e;
  --cyan:     #00e5ff;
  --green:    #39ff14;
  --amber:    #ffb700;
  --red:      #ff3344;
  --dim:      #7788cc;
  --text:     #dde6ff;
  --mono:     'Courier New', Courier, monospace;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  font-size: 13px;
  min-height: 100vh;
  overflow-x: hidden;
}

/* scanline overlay */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.08) 2px,
    rgba(0,0,0,0.08) 4px
  );
  pointer-events: none;
  z-index: 1000;
}

#app { padding: 0.75rem 1rem 1.5rem; }

/* ── Header ── */
header {
  display: flex;
  align-items: center;
  gap: 1rem;
  border-bottom: 1px solid var(--border);
  padding-bottom: 0.6rem;
  margin-bottom: 0.75rem;
}

.back-link {
  color: var(--dim);
  text-decoration: none;
  font-size: 11px;
  letter-spacing: 0.1em;
  white-space: nowrap;
}
.back-link:hover { color: var(--cyan); }

.title {
  font-size: clamp(0.9rem, 2.5vw, 1.2rem);
  letter-spacing: 0.3em;
  color: var(--cyan);
  text-shadow: 0 0 12px var(--cyan), 0 0 30px rgba(0,229,255,0.4);
  flex: 1;
  text-align: center;
}

.listener-info {
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.1em;
  white-space: nowrap;
  min-width: 8rem;
  text-align: right;
}

/* ── Layout ── */
#main-layout {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 0.75rem;
}

@media (max-width: 680px) {
  #main-layout { grid-template-columns: 1fr; }
}

/* ── Section label ── */
.section-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--dim);
  margin-bottom: 0.4rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* ── Song info ── */
#song-info {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 0.4rem 0.6rem;
  margin-bottom: 0.5rem;
}

.info-row {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin: 2px 0;
}

.info-label {
  font-size: 10px;
  color: var(--dim);
  letter-spacing: 0.15em;
}

#song-title {
  color: var(--amber);
  letter-spacing: 0.1em;
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 400px;
}

/* ── Pattern view ── */
.pattern-row {
  display: flex;
  gap: 0;
  font-size: 11px;
  line-height: 1.5;
  padding: 0 2px;
}

.header-row {
  background: var(--bg3);
  border: 1px solid var(--border);
  border-bottom: none;
  color: var(--dim);
  letter-spacing: 0.15em;
  font-size: 10px;
}

.row-num {
  width: 36px;
  min-width: 36px;
  color: var(--dim);
  font-size: 10px;
}

.ch-col {
  flex: 1;
  padding: 0 4px;
  border-left: 1px solid var(--border);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

#pattern-view {
  background: var(--bg2);
  border: 1px solid var(--border);
  height: 312px;
  overflow: hidden;
  margin-bottom: 0.5rem;
  position: relative;
}

.pat-row {
  display: flex;
  gap: 0;
  font-size: 11px;
  line-height: 1.6;
  padding: 0 2px;
  transition: background 0.05s;
}

.pat-row .row-num { color: #5577aa; }
.pat-row .note   { color: #88bbdd; }
.pat-row .samp   { color: #aaaa55; }
.pat-row .eff    { color: #558877; }
.pat-row .empty  { color: #3a4a66; }

.pat-row.current-row {
  background: rgba(0, 229, 255, 0.18);
}
.pat-row.current-row .row-num { color: var(--cyan); }
.pat-row.current-row .note    { color: #aaeeff; }
.pat-row.current-row .samp    { color: var(--amber); }
.pat-row.current-row .eff     { color: var(--green); }

/* ── Transport ── */
#transport {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 0.4rem 0.6rem;
  flex-wrap: wrap;
}

.transport-btn {
  background: var(--bg3);
  border: 1px solid var(--dim);
  color: var(--text);
  font-size: 14px;
  width: 34px;
  height: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
}
.transport-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  box-shadow: 0 0 8px rgba(0,229,255,0.3);
}
.transport-btn.active, .transport-btn:active {
  background: rgba(0,229,255,0.1);
  border-color: var(--cyan);
  color: var(--cyan);
}

.transport-info {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-left: 0.25rem;
  font-size: 11px;
}
.transport-info span { letter-spacing: 0.08em; }

.vol-control {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  margin-left: auto;
}
#vol-slider {
  -webkit-appearance: none;
  width: 80px;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  outline: none;
}
#vol-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  background: var(--cyan);
  border-radius: 50%;
  cursor: pointer;
  box-shadow: 0 0 6px var(--cyan);
}

/* ── Right panel ── */
#right-panel {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

/* ── VU meters ── */
#vu-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 0.4rem 0.5rem;
}

#vu-meters {
  display: flex;
  gap: 8px;
  align-items: flex-end;
  height: 70px;
}

.vu-wrap {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 3px;
  flex: 1;
}
.vu-wrap span { font-size: 9px; color: var(--dim); }

.vu-bar-bg {
  width: 100%;
  height: 60px;
  background: #141430;
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  overflow: hidden;
}

.vu-bar {
  width: 100%;
  height: 0%;
  background: linear-gradient(to top, #39ff14 0%, #ffb700 70%, #ff3344 100%);
  transition: height 0.04s ease-out;
}

/* ── Oscilloscope ── */
#scope-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 0.4rem 0.5rem;
}

#oscilloscope {
  display: block;
  width: 100%;
  height: auto;
  border: 1px solid var(--border);
  background: #101028;
}

/* ── Sample list ── */
#sample-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 0.4rem 0.5rem;
  max-height: 130px;
  overflow-y: auto;
}

#sample-list {
  font-size: 10px;
  line-height: 1.6;
  color: #8899cc;
}
#sample-list .samp-entry { display: flex; gap: 0.4rem; }
#sample-list .samp-num   { color: var(--dim); min-width: 18px; }
#sample-list .samp-name  { color: #aabbdd; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Playlist ── */
#playlist-section {
  background: var(--bg2);
  border: 1px solid var(--border);
  padding: 0.4rem 0.5rem;
  flex: 1;
}

.load-btn {
  background: transparent;
  border: 1px solid var(--dim);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.12em;
  padding: 2px 6px;
  cursor: pointer;
  transition: all 0.15s;
  margin-left: auto;
}
.load-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

#playlist {
  min-height: 60px;
  position: relative;
}

.drop-hint {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 10px;
  color: #4a5a7a;
  letter-spacing: 0.15em;
  pointer-events: none;
}

#playlist.drag-over {
  background: rgba(0,229,255,0.05);
  border: 1px dashed var(--cyan);
}

.playlist-item {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 3px 4px;
  font-size: 11px;
  cursor: pointer;
  border-radius: 2px;
  color: #aabbdd;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  letter-spacing: 0.05em;
}
.playlist-item:hover { background: rgba(0,229,255,0.07); color: var(--text); }
.playlist-item.active { color: var(--cyan); }
.playlist-item .play-ind { color: var(--green); width: 12px; font-size: 9px; }
.playlist-item .track-num { color: var(--dim); font-size: 10px; min-width: 18px; }

/* ── Tabs ── */
.tab-header {
  display: flex;
  margin-bottom: 0;
}

.tab-btn {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.15em;
  padding: 4px 8px;
  cursor: pointer;
  transition: all 0.15s;
}
.tab-btn + .tab-btn { border-left: none; }
.tab-btn:hover { color: var(--text); }
.tab-btn.active {
  background: var(--bg2);
  color: var(--cyan);
  border-bottom-color: var(--bg2);
}

.tab-content { display: none; padding-top: 6px; }
.tab-content.active { display: block; }

/* ── Archive search ── */
.search-row, .url-row {
  display: flex;
  gap: 4px;
  margin-bottom: 4px;
}

.search-input {
  flex: 1;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 6px;
  outline: none;
  min-width: 0;
}
.search-input:focus { border-color: var(--cyan); }
.search-input::placeholder { color: #4a5a7a; }

.search-btn {
  background: transparent;
  border: 1px solid var(--dim);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  padding: 3px 7px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.15s;
}
.search-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* ── Archive results ── */
#archive-status {
  font-size: 10px;
  color: var(--dim);
  min-height: 14px;
  margin: 2px 0 3px;
  letter-spacing: 0.08em;
}
#archive-status.error   { color: var(--red); }
#archive-status.loading { color: var(--amber); }

#archive-results {
  max-height: 180px;
  overflow-y: auto;
  min-height: 0;
}

.archive-result {
  display: flex;
  flex-direction: column;
  gap: 1px;
  padding: 4px 5px;
  cursor: pointer;
  border-bottom: 1px solid rgba(50, 50, 100, 0.5);
}
.archive-result:hover    { background: rgba(0,229,255,0.07); }
.archive-result.loading  { opacity: 0.45; pointer-events: none; }

.result-title {
  color: var(--text);
  font-size: 11px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.result-meta {
  color: var(--dim);
  font-size: 9px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.archive-empty {
  font-size: 10px;
  color: #4a5a7a;
  letter-spacing: 0.15em;
  padding: 8px 4px;
  text-align: center;
}

/* ── Pagination ── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-top: 4px;
  font-size: 10px;
}

.page-btn {
  background: transparent;
  border: 1px solid var(--dim);
  color: var(--dim);
  font-family: var(--mono);
  font-size: 10px;
  padding: 2px 7px;
  cursor: pointer;
  transition: all 0.15s;
}
.page-btn:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-info {
  color: var(--dim);
  letter-spacing: 0.1em;
}

/* ── API key section ── */
.api-key-section {
  margin-top: 6px;
  border-top: 1px solid var(--border);
  padding-top: 5px;
}

.api-key-link {
  font-size: 9px;
  color: var(--dim);
  letter-spacing: 0.1em;
  cursor: pointer;
  transition: color 0.15s;
}
.api-key-link:hover { color: var(--cyan); }

.api-key-hint {
  font-size: 9px;
  color: var(--dim);
  margin: 4px 0;
  letter-spacing: 0.05em;
}
.api-key-hint a { color: var(--cyan); text-decoration: none; }
.api-key-hint a:hover { text-decoration: underline; }

/* scrollbar */
::-webkit-scrollbar { width: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); }
::-webkit-scrollbar-thumb:hover { background: var(--dim); }