:root {
  --bg: #0a0a0f;
  --panel: #13131d;
  --panel-2: #1b1b28;
  --ink: #f3f3f7;
  --muted: #8a8aa0;
  --lime: #c6ff2e;
  --cyan: #2ee6ff;
  --magenta: #ff2e86;
  --line: #262636;
  --radius: 18px;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: "Space Grotesk", system-ui, sans-serif;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* subtle animated grain / vignette */
.grain {
  position: fixed; inset: 0; pointer-events: none; z-index: 0;
  background:
    radial-gradient(1200px 600px at 80% -10%, rgba(46,230,255,.10), transparent 60%),
    radial-gradient(900px 500px at -10% 110%, rgba(198,255,46,.10), transparent 60%);
}

/* login overlay */
.login-overlay {
  position: fixed; inset: 0; z-index: 100;
  background: rgba(10,10,15,.92); backdrop-filter: blur(6px);
  display: grid; place-items: center; padding: 20px;
}
.login-card {
  width: 100%; max-width: 360px; background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 28px 24px; display: flex; flex-direction: column; gap: 14px;
}
.login-card .brand { justify-content: center; }
.login-card h1 { font-size: 36px; }
.login-card .muted { text-align: center; margin: 0 0 4px; }
.login-field { display: flex; flex-direction: column; gap: 6px; font-size: 14px; color: var(--muted); font-weight: 500; }
.login-field input {
  background: var(--panel-2); color: var(--ink); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px; font-family: "JetBrains Mono", monospace; font-size: 16px; letter-spacing: 1px;
}
.login-field input:focus { outline: none; border-color: var(--lime); }
.login-err { color: var(--magenta); font-weight: 700; text-align: center; margin: 0; font-size: 14px; }
.auth-pane { display: flex; flex-direction: column; gap: 14px; }
.login-field small { color: var(--muted); font-weight: 400; }
.qr-img { width: 220px; height: 220px; align-self: center; border-radius: 12px; background: #fff; padding: 8px; }
.qr-secret { text-align: center; font-size: 12px; color: var(--muted); margin: 0; }
.qr-secret code { color: var(--lime); font-family: "JetBrains Mono", monospace; font-size: 13px; word-break: break-all; }

header.top {
  position: relative; z-index: 1;
  padding: 44px 24px 10px; text-align: center;
}
.brand { display: inline-flex; align-items: center; gap: 16px; }
.spoke {
  width: 46px; height: 46px; border-radius: 50%;
  border: 3px solid var(--lime);
  background:
    conic-gradient(from 0deg, transparent 0 18deg, var(--lime) 18deg 20deg) ,
    conic-gradient(from 90deg, transparent 0 18deg, var(--cyan) 18deg 20deg);
  box-shadow: 0 0 24px rgba(198,255,46,.35);
  animation: spin 6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }
h1 {
  font-family: "Anton", sans-serif; font-weight: 400;
  font-size: clamp(38px, 7vw, 72px); letter-spacing: 1px; margin: 0;
  line-height: .9;
}
h1 em { color: var(--lime); font-style: normal; }
.tag { color: var(--muted); margin: 10px 0 0; letter-spacing: .5px; }

main {
  position: relative; z-index: 1;
  max-width: 820px; margin: 0 auto; padding: 24px 18px 80px;
  display: flex; flex-direction: column; gap: 20px;
}

.panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 24px 24px;
}
.step-no {
  position: absolute; top: -14px; left: 20px;
  font-family: "JetBrains Mono", monospace; font-weight: 700;
  font-size: 13px; color: var(--bg); background: var(--lime);
  padding: 3px 10px; border-radius: 999px;
}
.panel h2 { margin: 2px 0 6px; font-size: 22px; }
.muted { color: var(--muted); }
.muted.small, .small { font-size: 13px; font-weight: 400; }

/* dropzone */
.dropzone {
  margin-top: 14px; border: 2px dashed var(--line); border-radius: 14px;
  padding: 34px 18px; text-align: center; transition: .18s;
  background: linear-gradient(180deg, transparent, rgba(255,255,255,.015));
}
.dropzone.drag { border-color: var(--lime); background: rgba(198,255,46,.06); }
.dz-icon {
  font-size: 40px; color: var(--cyan); margin-bottom: 6px;
  text-shadow: 0 0 20px rgba(46,230,255,.5);
}
.dz-btns { display: flex; gap: 10px; justify-content: center; margin: 12px 0 6px; flex-wrap: wrap; }
.lastfolder {
  display: flex; align-items: center; gap: 14px; justify-content: center; flex-wrap: wrap;
  background: rgba(198,255,46,.07); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 16px; margin-bottom: 18px; font-size: 14px;
}
.lastfolder b { color: var(--lime); word-break: break-all; }
.hint { color: var(--muted); font-size: 12px; font-family: "JetBrains Mono", monospace; }

.btn {
  font-family: "Space Grotesk", sans-serif; font-weight: 700; font-size: 15px;
  color: var(--ink); background: var(--panel-2);
  border: 1px solid var(--line); border-radius: 11px;
  padding: 11px 18px; cursor: pointer; transition: .15s; text-decoration: none;
  display: inline-flex; align-items: center; gap: 8px;
}
.btn:hover { transform: translateY(-1px); border-color: #3a3a52; }
.btn.ghost { background: transparent; }
.btn.accent { background: var(--lime); color: #0a0a0f; border-color: var(--lime); }
.btn.accent:hover { box-shadow: 0 8px 26px rgba(198,255,46,.3); }
.btn.big { width: 100%; justify-content: center; margin-top: 18px; padding: 15px; font-size: 17px; }
.btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }

.filter { margin: 16px 0; padding: 16px; border: 1px solid var(--line); border-radius: 14px; background: rgba(46,230,255,.04); }
.filter-row { display: flex; align-items: flex-end; gap: 18px; flex-wrap: wrap; }
.since { display: flex; flex-direction: column; gap: 6px; font-weight: 500; font-size: 14px; }
.since span { color: var(--muted); }
.since input[type=date] {
  background: var(--panel-2); color: var(--ink); border: 1px solid var(--line);
  border-radius: 10px; padding: 9px 12px; font-family: inherit; font-size: 15px;
  color-scheme: dark;
}
.presets { display: flex; gap: 6px; flex-wrap: wrap; }
.presets button {
  font-family: "JetBrains Mono", monospace; font-weight: 500; font-size: 13px;
  background: var(--panel-2); color: var(--muted); border: 1px solid var(--line);
  border-radius: 8px; padding: 8px 11px; cursor: pointer; transition: .12s;
}
.presets button:hover { color: var(--ink); border-color: #3a3a52; }
.presets button.on { background: var(--lime); color: #0a0a0f; border-color: var(--lime); }
#filterCount { color: var(--lime); font-family: "JetBrains Mono", monospace; }

.selected {
  display: flex; align-items: center; justify-content: space-between;
  margin-top: 16px; padding-top: 16px; border-top: 1px solid var(--line);
  font-weight: 700;
}

/* working bar */
.working { max-width: 820px; margin: 0 auto; padding: 0 18px; width: 100%; }
.bar { height: 6px; background: var(--panel-2); border-radius: 99px; overflow: hidden; }
.bar span {
  display: block; height: 100%; width: 40%;
  background: linear-gradient(90deg, var(--cyan), var(--lime));
  animation: slide 1.1s ease-in-out infinite;
}
@keyframes slide { 0%{margin-left:-40%} 100%{margin-left:100%} }
.working p { text-align: center; color: var(--muted); margin: 8px 0 0; font-size: 14px; }

/* tracklist */
.tracklist { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.track {
  display: grid; grid-template-columns: 26px 1fr auto; align-items: center; gap: 12px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 12px;
  padding: 11px 14px; cursor: grab; transition: .12s;
}
.track.dragging { opacity: .4; }
.track.over { border-color: var(--lime); }
.track .pos { font-family: "JetBrains Mono", monospace; color: var(--muted); font-size: 13px; }
.track .mid { min-width: 0; }
.track .name { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track .sub { font-size: 12px; color: var(--muted); font-family: "JetBrains Mono", monospace; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.track .meta { display: flex; align-items: center; gap: 8px; flex: none; }
.pill {
  font-family: "JetBrains Mono", monospace; font-weight: 700; font-size: 12px;
  padding: 3px 8px; border-radius: 7px; white-space: nowrap;
}
.pill.bpm { background: rgba(46,230,255,.14); color: var(--cyan); }
.pill.cam { color: #0a0a0f; }
.track.bad { opacity: .5; }
.track.bad .sub { color: var(--magenta); }

.energy { width: 46px; height: 6px; background: #000; border-radius: 99px; overflow: hidden; }
.energy i { display: block; height: 100%; background: linear-gradient(90deg,var(--lime),var(--magenta)); }

/* controls */
.controls { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-top: 16px; }
.ctrl { display: flex; flex-direction: column; gap: 8px; font-weight: 500; }
.ctrl > span b { font-family: "JetBrains Mono", monospace; color: var(--lime); }
.ctrl small { color: var(--muted); font-weight: 400; }
.ctrl.toggle { flex-direction: row; align-items: center; gap: 10px; }
input[type=range] { -webkit-appearance: none; appearance: none; height: 6px; background: var(--panel-2); border-radius: 99px; outline: none; }
input[type=range]::-webkit-slider-thumb { -webkit-appearance: none; width: 20px; height: 20px; border-radius: 50%; background: var(--lime); cursor: pointer; box-shadow: 0 0 12px rgba(198,255,46,.5); }
input[type=range]::-moz-range-thumb { width: 20px; height: 20px; border: none; border-radius: 50%; background: var(--lime); cursor: pointer; }
input[type=checkbox] { width: 20px; height: 20px; accent-color: var(--lime); }
select { background: var(--panel-2); color: var(--ink); border: 1px solid var(--line); border-radius: 10px; padding: 10px; font-family: inherit; font-size: 15px; }

/* analyzed list sort row */
.sortrow { display: flex; align-items: center; gap: 10px; margin: 12px 0 10px; flex-wrap: wrap; }

/* session structure */
.sub-h { margin: 22px 0 2px; font-size: 15px; color: var(--muted); text-transform: uppercase; letter-spacing: 1px; }
.nblocks { max-width: 220px; margin-top: 14px; }
.seglist { display: flex; flex-direction: column; gap: 8px; margin: 14px 0; }
.seg-dur {
  display: flex; align-items: center; gap: 12px;
  background: var(--panel-2); border: 1px solid var(--line); border-radius: 11px; padding: 10px 14px;
}
.seg-dur.pause { background: rgba(46,230,255,.05); border-style: dashed; }
.seg-dur .lab { flex: 1; font-weight: 700; font-size: 14px; }
.seg-dur .lab small { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
.seg-dur input { width: 90px; background: var(--panel); color: var(--ink); border: 1px solid var(--line); border-radius: 9px; padding: 9px; font-family: "JetBrains Mono", monospace; font-size: 15px; font-weight: 700; text-align: center; }
.seg-dur input:focus { outline: none; border-color: var(--lime); }
.seg-dur .unit { color: var(--muted); font-size: 13px; width: 28px; }

/* zone badge */
.pill.zone { color: #0a0a0f; font-weight: 700; }
.zone-z1 { background: #3aa0ff; } .zone-z2 { background: #2ee6ff; }
.zone-z3 { background: #c6ff2e; } .zone-z4 { background: #ffb02e; }
.zone-z5 { background: #ff2e86; }

/* play button */
.playbtn {
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  background: var(--panel); border: 1px solid var(--line); color: var(--lime);
  font-size: 13px; cursor: pointer; display: grid; place-items: center; transition: .12s;
}
.playbtn:hover { border-color: var(--lime); }
.playbtn.playing { background: var(--lime); color: #0a0a0f; border-color: var(--lime); }
.track { grid-template-columns: 34px 26px 1fr auto; }
.track.bad { grid-template-columns: 26px 1fr auto; }

/* transition-audition button */
.xfbtn {
  background: var(--panel); border: 1px solid var(--line); color: var(--cyan);
  border-radius: 8px; padding: 5px 9px; font-size: 13px; cursor: pointer; transition: .12s;
}
.xfbtn:hover { border-color: var(--cyan); }
.xfbtn.playing { background: var(--cyan); color: #0a0a0f; border-color: var(--cyan); }
.xfbtn.loading { opacity: .5; cursor: wait; }

/* force-into-segment select */
.forcesel { background: var(--panel); color: var(--muted); border: 1px solid var(--line); border-radius: 8px; padding: 6px 8px; font-family: "JetBrains Mono", monospace; font-size: 11px; max-width: 110px; }
.forcesel.set { color: var(--lime); border-color: var(--lime); }

.session-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 14px; }
.num { display: flex; flex-direction: column; gap: 6px; font-weight: 500; font-size: 14px; }
.num span { color: var(--muted); }
.num input {
  background: var(--panel-2); color: var(--ink); border: 1px solid var(--line);
  border-radius: 10px; padding: 11px 12px; font-family: "JetBrains Mono", monospace;
  font-size: 16px; font-weight: 700; text-align: center;
}
.num input:focus { outline: none; border-color: var(--lime); }
.session-sum {
  margin-top: 14px; font-family: "JetBrains Mono", monospace; font-size: 14px;
  color: var(--ink); background: var(--panel-2); border: 1px solid var(--line);
  border-radius: 10px; padding: 12px 14px;
}
.session-sum.warn { border-color: var(--magenta); color: var(--magenta); }

/* proposal blocks */
#blocks { display: flex; flex-direction: column; gap: 14px; margin-top: 14px; }
.block { background: var(--panel-2); border: 1px solid var(--line); border-radius: 14px; padding: 14px; }
.block.under { border-color: var(--magenta); }
.block.pause-block { background: rgba(46,230,255,.05); border-style: dashed; }
.block-head .bt.pausettl { color: var(--cyan); }
.block-head { display: flex; align-items: baseline; justify-content: space-between; gap: 10px; margin-bottom: 10px; flex-wrap: wrap; }
.block-head .bt { font-family: "Anton", sans-serif; font-size: 18px; letter-spacing: .5px; }
.block-head .bi { font-family: "JetBrains Mono", monospace; font-size: 12px; color: var(--muted); }
.block-head .bi b { color: var(--lime); }
.block-head .bi.warn b { color: var(--magenta); }
.block .tracklist { margin: 0; }
.block .track { background: var(--panel); }
.pause-sep {
  text-align: center; font-family: "JetBrains Mono", monospace; font-size: 12px;
  color: var(--cyan); padding: 2px 0; letter-spacing: 1px;
}
.plan-actions { display: flex; gap: 12px; margin-top: 18px; flex-wrap: wrap; }
.plan-actions .btn.accent { flex: 1; justify-content: center; }

.result audio { width: 100%; margin-top: 14px; }
.result-actions { display: flex; align-items: center; gap: 16px; margin-top: 14px; flex-wrap: wrap; }

footer { text-align: center; color: var(--muted); font-size: 12px; padding: 0 0 40px; position: relative; z-index: 1; }

@media (max-width: 560px) {
  .controls { grid-template-columns: 1fr; }
  .track { grid-template-columns: 22px 1fr; }
  .track .meta { grid-column: 2; justify-content: flex-start; margin-top: 6px; }
}