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

:root {
  --clr-work:    #1db954;   /* green  – work */
  --clr-rest:    #e05c2a;   /* orange – rest */
  --clr-ready:   #2a6ee0;   /* blue   – countdown */
  --clr-break:   #8a2be2;   /* purple – inter-round */
  --clr-done:    #1db954;
  --clr-bg:      #0f0f0f;
  --clr-surface: #1a1a1a;
  --clr-border:  #2e2e2e;
  --clr-text:    #f0f0f0;
  --clr-sub:     #888;
  --clr-primary: #1db954;
  --clr-danger:  #e04444;
  --radius:      12px;
  --nav-h:       52px;
  font-size: 16px;
}

html, body {
  height: 100%;
  background: var(--clr-bg);
  color: var(--clr-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}

/* ── Nav ──────────────────────────────────────────────────── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--nav-h);
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  z-index: 100;
}
.nav-brand {
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--clr-primary);
  text-decoration: none;
  letter-spacing: 1px;
}
.nav-links {
  display: flex;
  gap: 8px;
  margin-left: auto;
  flex-wrap: wrap;
}
.nav-links a {
  color: var(--clr-sub);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 6px 10px;
  border-radius: 8px;
  transition: color .15s, background .15s;
}
.nav-links a:hover, .nav-links a.active {
  color: var(--clr-text);
  background: var(--clr-border);
}

/* ── Auth pages ───────────────────────────────────────────── */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
}
.auth-box {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 32px 28px;
  width: 100%;
  max-width: 380px;
}
.auth-box h1 { font-size: 1.8rem; margin-bottom: 4px; color: var(--clr-primary); }
.auth-sub { color: var(--clr-sub); margin-bottom: 24px; }
.error { color: var(--clr-danger); margin-bottom: 12px; font-size: 0.9rem; }

/* ── Forms ────────────────────────────────────────────────── */
label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 16px;
  font-size: 0.85rem;
  color: var(--clr-sub);
}
input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  color: var(--clr-text);
  font-size: 1rem;
  padding: 10px 12px;
  width: 100%;
  outline: none;
  transition: border-color .15s;
}
input:focus, select:focus { border-color: var(--clr-primary); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-actions { display: flex; gap: 10px; margin-top: 8px; }
.checkbox-label { flex-direction: row; align-items: center; gap: 10px; }
.checkbox-label input { width: auto; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 10px 20px;
  cursor: pointer;
  transition: opacity .15s, transform .1s;
  -webkit-user-select: none;
  user-select: none;
}
.btn:active { transform: scale(0.97); }
.btn-primary { background: var(--clr-primary); color: #000; }
.btn-ghost { background: var(--clr-border); color: var(--clr-text); }
.btn-danger { background: var(--clr-danger); color: #fff; }
.btn-full { width: 100%; }
.btn-sm { font-size: 0.8rem; padding: 6px 12px; }

/* ── Timer page ───────────────────────────────────────────── */
body.timer-page {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  overflow: hidden;
}
body.timer-page main {
  display: flex;
  flex-direction: column;
  flex: 1;
  overflow: hidden;
  padding-top: var(--nav-h);
}

/* During active workout: hide nav + config bar, reclaim that space */
body.workout-active .nav        { display: none; }
body.workout-active main        { padding-top: 0; }
body.workout-active .config-bar { display: none; }

.config-bar {
  display: flex;
  gap: 8px;
  padding: 8px 12px;
  background: var(--clr-surface);
  border-bottom: 1px solid var(--clr-border);
  flex-shrink: 0;
}
.config-select {
  flex: 1;
  min-width: 0;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 8px;
  color: var(--clr-text);
  font-size: 0.9rem;
  padding: 8px 10px;
}
.autoplay-toggle {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 5px;
  font-size: 0.75rem;
  color: var(--clr-sub);
  white-space: nowrap;
  margin-bottom: 0;
  cursor: pointer;
  flex-shrink: 0;
}
.autoplay-toggle input { width: auto; margin: 0; }

/* The big timer area */
.timer-display {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.4s ease;
  overflow: hidden;
  position: relative;
}

/* State colors applied to timer-display */
.timer-display.state-work    { background: #0a2e15; }
.timer-display.state-rest    { background: #2e1a0a; }
.timer-display.state-ready   { background: #0a1a2e; }
.timer-display.state-break   { background: #1a0a2e; }
.timer-display.state-done    { background: #0a2e15; }

.state-panel {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  width: 100%;
  padding: 24px;
}
.state-panel.hidden { display: none !important; }

.state-label {
  font-size: clamp(1.4rem, min(6vw, 5vh), 2.5rem);
  font-weight: 700;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--clr-sub);
}
.state-label.done-label { color: var(--clr-work); }

.big-number {
  /* Fill the screen: no upper cap, driven by whichever axis is tighter */
  font-size: min(52vw, 46vh);
  font-weight: 900;
  line-height: 1;
  font-variant-numeric: tabular-nums;
  letter-spacing: -4px;
}

/* Colour the big number by state */
.state-work  .big-number { color: var(--clr-work); }
.state-rest  .big-number { color: var(--clr-rest); }
.state-ready .big-number { color: var(--clr-ready); }
.state-break .big-number { color: var(--clr-break); }

.session-info, .round-complete-msg {
  font-size: clamp(1rem, min(4vw, 3.5vh), 1.8rem);
  color: var(--clr-sub);
  text-align: center;
}

.workout-summary {
  font-size: clamp(0.9rem, 3.5vw, 1.1rem);
  color: var(--clr-sub);
  text-align: center;
  line-height: 1.8;
}

.progress-bar-wrap {
  width: min(300px, 80vw);
  height: 6px;
  background: var(--clr-border);
  border-radius: 3px;
  overflow: hidden;
}
.progress-bar {
  height: 100%;
  background: var(--clr-primary);
  width: 100%;
  transform-origin: left;
  transition: transform 1s linear;
}

/* Start / next round button */
.btn-start {
  background: var(--clr-primary);
  color: #000;
  border: none;
  border-radius: 16px;
  font-size: clamp(1.2rem, 5vw, 1.8rem);
  font-weight: 800;
  letter-spacing: 3px;
  padding: clamp(16px, 4vw, 24px) clamp(40px, 10vw, 80px);
  cursor: pointer;
  transition: opacity .15s, transform .1s;
  -webkit-user-select: none;
  user-select: none;
}
.btn-start:active { transform: scale(0.96); }
.btn-start.btn-secondary { background: var(--clr-border); color: var(--clr-text); }

.done-summary {
  font-size: clamp(1rem, 4vw, 1.3rem);
  color: var(--clr-sub);
  text-align: center;
  line-height: 2;
}

/* Pause/Stop controls */
.controls {
  display: flex;
  gap: 12px;
  padding: 10px 16px;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  flex-shrink: 0;
}
.controls.hidden { display: none !important; }
.btn-control {
  flex: 1;
  background: var(--clr-border);
  color: var(--clr-text);
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: 2px;
  padding: 14px;
  cursor: pointer;
  transition: opacity .15s;
}
.btn-control:active { opacity: 0.7; }
.btn-stop  { background: #2e1010; color: var(--clr-danger); flex: 1; }
.btn-mute  { background: var(--clr-border); color: var(--clr-text); flex: 0 0 56px; font-size: 1.2rem; }
.btn-mute.muted { background: #2e1010; color: var(--clr-danger); }

/* Music bar */
.music-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  flex-shrink: 0;
  min-height: 48px;
}
.music-status {
  flex: 1;
  font-size: 0.8rem;
  color: var(--clr-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.music-controls { display: flex; gap: 4px; }
.btn-music {
  background: none;
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  border-radius: 6px;
  padding: 6px 10px;
  cursor: pointer;
  font-size: 0.85rem;
}
.btn-music:active { opacity: 0.6; }

/* ── Inner pages (settings, playlists, admin) ─────────────── */
.page-content {
  max-width: 700px;
  margin: calc(var(--nav-h) + 24px) auto 40px;
  padding: 0 16px;
}
.page-content h2 { font-size: 1.5rem; margin-bottom: 20px; }

.card {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.card h3 { margin-bottom: 16px; font-size: 1rem; color: var(--clr-sub); text-transform: uppercase; letter-spacing: 1px; }

.config-list { display: flex; flex-direction: column; gap: 10px; }
.config-item {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 14px 16px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.config-item-info { flex: 1; display: flex; flex-direction: column; gap: 3px; }
.config-detail { font-size: 0.82rem; color: var(--clr-sub); }
.config-item-actions { display: flex; gap: 8px; flex-shrink: 0; }

.badge {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 2px 7px;
  border-radius: 20px;
  background: var(--clr-primary);
  color: #000;
  margin-left: 6px;
  vertical-align: middle;
}
.badge-soundcloud { background: #ff5500; color: #fff; }
.badge-local      { background: var(--clr-primary); color: #000; }
.badge-folder     { background: #2a6ee0; color: #fff; }
.badge-library    { background: #8a2be2; color: #fff; }
.badge-youtube    { background: #ff0000; color: #fff; }

.lib-breadcrumb {
  font-size: 0.85rem;
  color: var(--clr-sub);
  padding: 4px 0 2px;
}
.lib-breadcrumb span:hover { color: var(--clr-text); text-decoration: underline; }

.empty-msg { color: var(--clr-sub); font-size: 0.9rem; padding: 12px 0; }

/* ── Playlist preview ─────────────────────────────────────── */
.preview-panel {
  background: #111;
  border: 1px solid var(--clr-border);
  border-top: none;
  border-radius: 0 0 var(--radius) var(--radius);
  padding: 12px 16px;
  margin-top: -8px;
}
.preview-track-list { display: flex; flex-direction: column; gap: 2px; margin-bottom: 8px; }
.preview-track {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background .1s;
}
.preview-track:hover, .preview-track.playing { background: var(--clr-border); }
.preview-track.playing .preview-play { color: var(--clr-primary); }
.preview-num  { color: var(--clr-sub); font-size: 0.8rem; min-width: 20px; }
.preview-title { flex: 1; font-size: 0.9rem; }
.preview-play  { color: var(--clr-sub); font-size: 0.8rem; }
.preview-hint  { font-size: 0.78rem; color: var(--clr-sub); margin: 0; }

.info-box {
  background: #1a1a2e;
  border: 1px solid #2a2a4e;
  border-radius: var(--radius);
  padding: 14px 16px;
  font-size: 0.85rem;
  color: var(--clr-sub);
  margin-bottom: 20px;
  line-height: 1.6;
}
.info-box code {
  background: var(--clr-border);
  border-radius: 4px;
  padding: 1px 5px;
  font-size: 0.82rem;
  color: var(--clr-text);
}

.hidden { display: none !important; }

/* ── Playlist Maker ───────────────────────────────────────── */
.maker-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 680px) {
  .maker-layout { grid-template-columns: 1fr; }
}
.maker-panel { display: flex; flex-direction: column; }
.maker-file-list {
  display: flex;
  flex-direction: column;
  max-height: 520px;
  overflow-y: auto;
  gap: 2px;
  margin-top: 4px;
}
.maker-file-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 8px;
  border-radius: 6px;
  cursor: pointer;
  transition: background .1s;
}
.maker-file-item:hover { background: var(--clr-border); }
.maker-file-name { flex: 1; font-size: 0.88rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.maker-track-list {
  display: flex;
  flex-direction: column;
  gap: 3px;
  max-height: 480px;
  overflow-y: auto;
}
.maker-track {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  background: var(--clr-bg);
  border: 1px solid var(--clr-border);
  border-radius: 6px;
}
.maker-track-num   { color: var(--clr-sub); font-size: 0.75rem; min-width: 18px; text-align: right; }
.maker-track-title { flex: 1; font-size: 0.88rem; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.maker-track-controls { display: flex; gap: 3px; flex-shrink: 0; }
.btn-icon {
  background: var(--clr-border);
  border: none;
  border-radius: 5px;
  color: var(--clr-text);
  font-size: 0.8rem;
  width: 26px; height: 26px;
  cursor: pointer;
  display: inline-flex; align-items: center; justify-content: center;
}
.btn-icon:active { opacity: 0.6; }
.btn-icon-danger { background: #2e1010; color: var(--clr-danger); }
.badge-custom { background: var(--clr-primary); color: #000; }

/* ── Maker preview player ─────────────────────────────────── */
.maker-player {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 10px 14px;
  margin-bottom: 20px;
}
.maker-play-btn {
  background: var(--clr-primary);
  color: #000;
  border: none;
  border-radius: 50%;
  width: 36px; height: 36px;
  font-size: 1rem;
  cursor: pointer;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
}
.maker-play-btn:disabled { opacity: 0.4; cursor: default; }
.maker-player-info { flex: 1; min-width: 0; }
.maker-player-title { font-size: 0.85rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; margin-bottom: 4px; }
.maker-player-progress input[type=range] {
  -webkit-appearance: none; appearance: none;
  height: 4px; border-radius: 2px;
  background: var(--clr-border); outline: none; cursor: pointer;
  padding: 0; border: none; width: 100%;
}
.maker-player-progress input[type=range]::-webkit-slider-thumb {
  -webkit-appearance: none; width: 12px; height: 12px;
  border-radius: 50%; background: var(--clr-primary); cursor: pointer;
}
.maker-player-time { font-size: 0.78rem; color: var(--clr-sub); white-space: nowrap; flex-shrink: 0; }
.maker-track.playing { border-color: var(--clr-primary); background: #0a2e15; }
.maker-track.playing .maker-track-title { color: var(--clr-primary); }
.maker-track-dur { font-size: 0.75rem; color: var(--clr-sub); flex-shrink: 0; }
.btn-icon-play { background: #0a2e15; color: var(--clr-primary); }
.btn-music.shuffle-on { color: var(--clr-primary); border-color: var(--clr-primary); }