/* Pro-Track System — modern dark glass-morphism UI */

:root {
  --bg:           #0e1116;
  --bg-elev-1:    #161b22;
  --bg-elev-2:    #1f262e;
  --border:       #30363d;
  --text:         #e6edf3;
  --text-dim:     #9aa5b1;
  --accent:       #2dd4bf;        /* teal/emerald */
  --accent-2:     #34d399;
  --warn:         #fbbf24;
  --error:        #f87171;
  --success:      #34d399;
  --shadow:       0 8px 32px rgba(0, 0, 0, .45);
  --radius:       14px;
  --radius-sm:    8px;
  --transition:   .18s ease-out;
}

#pro-track-root {
  --safe-min-height: calc(100vh - 64px);
  display: flex;
  flex-direction: column;
  min-height: var(--safe-min-height);
  background: linear-gradient(180deg, #0b0e12 0%, #0e1116 100%);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

#pro-track-root * { box-sizing: border-box; }

/* Tell browsers (Chrome/Safari/FF) this surface is dark — fixes date
   picker / number spinner / autofill that would otherwise render with
   light-mode internals (black text on the page's dark background). */
#pro-track-root { color-scheme: dark; }

/* Force dark-themed look on every native input/select/textarea inside
   the app. Without this, raw <input type="date"> and <input type="number">
   inputs (which exist in the calibration + reading panels) inherit the
   user's OS browser default — on macOS dark mode that's often black-on-
   light, which is unreadable on our dark surfaces. */
#pro-track-root input[type="text"],
#pro-track-root input[type="number"],
#pro-track-root input[type="date"],
#pro-track-root input[type="password"],
#pro-track-root input[type="search"],
#pro-track-root input[type="email"],
#pro-track-root select,
#pro-track-root textarea {
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 9px;
  font: inherit;
  min-width: 0;
  -webkit-text-fill-color: var(--text);   /* iOS Safari */
  caret-color: var(--text);
}
#pro-track-root input::placeholder,
#pro-track-root textarea::placeholder {
  color: var(--text-dim);
  opacity: 0.65;
}
#pro-track-root input:focus,
#pro-track-root select:focus,
#pro-track-root textarea:focus {
  outline: none;
  border-color: var(--accent);
}
/* Date picker calendar icon — REPLACE the native indicator with a custom
   white-stroked SVG icon. The native one is unreliable on dark surfaces:
     • without color-scheme: dark → dark glyph blends into dark bg
     • with color-scheme: dark → Safari sometimes still renders a half-
       opacity gray that's nearly invisible; `filter: invert(1)` on top
       of that fights the system rendering and makes things worse.
   Forcing a hand-drawn SVG via `background-image` plus `color: transparent`
   (hides any remaining native glyph) is the only cross-browser way to
   guarantee a clearly visible icon. */
#pro-track-root input[type="date"]::-webkit-calendar-picker-indicator {
  background-image: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='18' height='18' viewBox='0 0 24 24' fill='none' stroke='%23e6edf3' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='4' width='18' height='18' rx='2' ry='2'/%3E%3Cline x1='16' y1='2' x2='16' y2='6'/%3E%3Cline x1='8' y1='2' x2='8' y2='6'/%3E%3Cline x1='3' y1='10' x2='21' y2='10'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 18px 18px;
  width: 22px;
  height: 22px;
  color: transparent;        /* hides the native glyph behind our SVG */
  filter: none;              /* override prior invert() if any cached */
  opacity: 0.9;
  cursor: pointer;
  padding: 0;
  margin-left: 4px;
}
#pro-track-root input[type="date"]::-webkit-calendar-picker-indicator:hover {
  opacity: 1;
}
/* Autofill highlight (Chromium): keep dark bg + light text. */
#pro-track-root input:-webkit-autofill,
#pro-track-root input:-webkit-autofill:hover,
#pro-track-root input:-webkit-autofill:focus {
  -webkit-text-fill-color: var(--text) !important;
  -webkit-box-shadow: 0 0 0 30px var(--bg-elev-2) inset !important;
  caret-color: var(--text);
}

/* ─── Topbar ─────────────────────────────────────────────────────────── */
.pt-topbar {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 14px 22px;
  background: rgba(22, 27, 34, .85);
  backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 50;
}
.pt-brand {
  display: flex; align-items: center; gap: 12px;
  font-weight: 600; font-size: 16px; letter-spacing: .3px;
}
.pt-brand-mark {
  width: 32px; height: 32px; border-radius: 9px;
  background: radial-gradient(circle at 30% 20%, var(--accent) 0%, #0d9488 70%);
  box-shadow: 0 0 18px rgba(45, 212, 191, .35);
}
.pt-pill {
  font-size: 11px; padding: 4px 10px; border-radius: 999px;
  background: var(--bg-elev-2); color: var(--text-dim);
  border: 1px solid var(--border);
  display: inline-flex; align-items: center; justify-content: center;
  gap: 6px; line-height: 1.4; white-space: nowrap;
}
.pt-pill-strip { font-weight: 600; color: var(--text); padding: 4px 14px; }
.pt-pill-health { cursor: default; user-select: none; }
.pt-health-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: #64748b;  /* unknown */
  transition: background .2s, box-shadow .2s;
}
.pt-pill-health.ok  .pt-health-dot { background: #22c55e; box-shadow: 0 0 6px rgba(34,197,94,.55); }
.pt-pill-health.fail .pt-health-dot { background: #ef4444; box-shadow: 0 0 6px rgba(239,68,68,.55); animation: pt-pulse 1.4s ease-in-out infinite; }
.pt-pill-health.ok  { color: #d1fae5; border-color: rgba(34,197,94,.35); }
.pt-pill-health.fail { color: #fecaca; border-color: rgba(239,68,68,.4); }
@keyframes pt-pulse {
  0%,100% { opacity: 1; }
  50%     { opacity: .45; }
}
.pt-actions { margin-left: auto; display: flex; gap: 10px; }

.pt-iconbtn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 28px; height: 24px; padding: 0;
  background: var(--bg-elev-2); color: var(--text-dim);
  border: 1px solid var(--border); border-radius: 6px;
  cursor: pointer; transition: var(--transition);
}
.pt-iconbtn:hover { background: #2c3540; color: var(--text); border-color: #455161; }
.pt-iconbtn:active { transform: translateY(1px); }
.pt-iconbtn:disabled { opacity: .5; cursor: wait; }
.pt-iconbtn.busy svg { animation: pt-spin 1s linear infinite; }
@keyframes pt-spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* ─── Buttons ────────────────────────────────────────────────────────── */
.pt-btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: var(--radius-sm);
  background: var(--bg-elev-2); color: var(--text);
  border: 1px solid var(--border);
  cursor: pointer; font: inherit;
  transition: var(--transition);
}
.pt-btn:hover { background: #2c3540; border-color: #455161; }
.pt-btn:active { transform: translateY(1px); }
.pt-btn:disabled { opacity: .45; cursor: not-allowed; }
.pt-btn-compact { padding: 6px 12px; font-size: 12px; gap: 4px; white-space: nowrap; }
.pt-btn.primary {
  background: linear-gradient(180deg, var(--accent) 0%, #14b8a6 100%);
  color: #0b1010; border: none; font-weight: 600;
}
.pt-btn.primary:hover { filter: brightness(1.08); }
.pt-btn.danger { color: var(--error); border-color: rgba(248, 113, 113, .35); }
.pt-btn.ghost { background: transparent; }

/* ─── Layout: workspace ──────────────────────────────────────────────── */
.pt-workspace {
  flex: 1; display: grid;
  grid-template-columns: 320px 1fr;
  gap: 16px; padding: 16px; min-height: 0;
}
.pt-workspace.no-sidebar { grid-template-columns: 1fr; }

/* ─── Sidebar ────────────────────────────────────────────────────────── */
.pt-sidebar {
  background: rgba(22, 27, 34, .7);
  backdrop-filter: blur(20px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  display: flex; flex-direction: column; gap: 18px;
  overflow-y: auto;
  box-shadow: var(--shadow);
}
.pt-section h3 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 1.2px;
  color: var(--text-dim); margin: 0 0 10px;
}
.pt-card-row { display: grid; gap: 8px; }

/* ─── Drop zone ──────────────────────────────────────────────────────── */
.pt-dropzone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 28px 16px; text-align: center;
  background: rgba(255, 255, 255, .015);
  transition: var(--transition);
  cursor: pointer;
}
.pt-dropzone.dragover {
  border-color: var(--accent);
  background: rgba(45, 212, 191, .08);
}
.pt-dropzone input { display: none; }
.pt-dropzone-icon { font-size: 30px; margin-bottom: 6px; }
.pt-dropzone-hint { color: var(--text-dim); font-size: 12px; }

/* ─── Canvas viewport ────────────────────────────────────────────────── */
.pt-canvas-wrap {
  position: relative; flex: 1;
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  min-height: 480px;
  box-shadow: var(--shadow);
}
.pt-canvas-wrap canvas { display: block; max-width: 100%; max-height: 100%; }
.pt-canvas-empty {
  color: var(--text-dim); font-size: 14px;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.pt-canvas-empty .pt-canvas-empty-icon { font-size: 48px; opacity: .35; }

/* ─── Status bar ─────────────────────────────────────────────────────── */
.pt-statusbar {
  display: flex; align-items: center; gap: 14px;
  padding: 8px 22px;
  background: rgba(22, 27, 34, .65);
  border-top: 1px solid var(--border);
  font-size: 12px; color: var(--text-dim);
}
.pt-status-pill {
  background: var(--bg-elev-2); padding: 3px 8px; border-radius: 6px;
  color: var(--text);
}
.pt-status-pill.ok    { color: var(--success); }
.pt-status-pill.warn  { color: var(--warn); }
.pt-status-pill.error { color: var(--error); }

/* ─── Toggle / control row ───────────────────────────────────────────── */
.pt-row {
  display: flex; align-items: center; justify-content: space-between;
  gap: 10px; padding: 6px 0;
}
.pt-row label { font-size: 13px; color: var(--text); }
.pt-row .hint { font-size: 11px; color: var(--text-dim); }
.pt-input, .pt-select {
  background: var(--bg-elev-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  padding: 6px 9px; font: inherit; min-width: 80px;
}
.pt-input:focus, .pt-select:focus {
  outline: none; border-color: var(--accent);
}
input[type="range"].pt-slider {
  -webkit-appearance: none; width: 100%; height: 6px;
  background: var(--bg-elev-2); border-radius: 999px;
  outline: none;
}
input[type="range"].pt-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent); cursor: pointer;
}

/* ─── Toast ──────────────────────────────────────────────────────────── */
.pt-toast {
  position: fixed; bottom: 24px; right: 24px;
  background: var(--bg-elev-2); color: var(--text);
  padding: 12px 18px; border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  z-index: 9999;
  animation: ptFadeIn .2s ease-out;
  max-width: 360px;
}
.pt-toast.success { border-color: var(--success); }
.pt-toast.error   { border-color: var(--error); }
.pt-toast.warn    { border-color: var(--warn); }
@keyframes ptFadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ─── Spinner ────────────────────────────────────────────────────────── */
.pt-spinner {
  width: 18px; height: 18px;
  border: 2px solid rgba(255, 255, 255, .15);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: ptSpin .8s linear infinite;
}
@keyframes ptSpin { to { transform: rotate(360deg); } }

/* ─── Wizard nav ─────────────────────────────────────────────────────── */
.pt-wizard {
  display: flex; gap: 4px; padding: 8px 12px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elev-1);
}
.pt-step {
  flex: 1; padding: 8px 6px; font-size: 11.5px;
  background: transparent; border: 1px solid var(--border);
  color: var(--text-dim); border-radius: 6px;
  cursor: pointer; transition: all .15s;
}
.pt-step:hover:not(.disabled) { color: var(--text); border-color: var(--accent); }
.pt-step.active { background: var(--accent); color: white; border-color: var(--accent); font-weight: 600; }
.pt-step.disabled { opacity: 0.4; cursor: not-allowed; }

/* ─── Instrument cards (step 1) ──────────────────────────────────────── */
.pt-inst-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}
.pt-inst-card {
  display: flex; flex-direction: column; align-items: center;
  gap: 6px; padding: 16px 8px; cursor: pointer;
  background: var(--bg-elev-1); color: var(--text);
  border: 1.5px solid var(--border); border-radius: 10px;
  transition: all .15s;
  text-align: center;
}
.pt-inst-card:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 4px 14px rgba(45, 212, 191, .18);
}
.pt-inst-icon { font-size: 28px; line-height: 1; }
.pt-inst-name { font-weight: 600; font-size: 13px; }
.pt-inst-unit { font-size: 10.5px; color: var(--text-dim); white-space: nowrap; }

/* ─── Calibration list ──────────────────────────────────────────────── */
.pt-cal-list { display: flex; flex-direction: column; gap: 4px; }
.pt-cal-row {
  display: flex; align-items: center; gap: 8px;
  padding: 6px 8px; border-radius: 6px;
  background: var(--bg-elev-1); cursor: pointer;
  transition: all .12s;
}
.pt-cal-row:hover { background: var(--bg-elev-2); }
.pt-cal-row.selected { background: rgba(255,210,0,0.18); border: 1px solid #ffd000; padding: 5px 7px; }
.pt-cal-val { font-weight: 700; min-width: 50px; }
.pt-cal-badge {
  display: inline-block; margin-left: 4px; padding: 0 5px;
  font-size: 10px; font-weight: 700;
  background: rgba(45, 212, 191, .2); color: var(--accent);
  border: 1px solid rgba(45, 212, 191, .4); border-radius: 999px;
}
.pt-cal-coords { flex: 1; font-size: 11px; }
.pt-cal-del {
  background: transparent; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 18px; line-height: 1; padding: 0 4px;
}
.pt-cal-del:hover { color: var(--error); }

.pt-hover-value {
  padding: 8px 10px; border-radius: 6px;
  background: rgba(0,200,255,0.12); border: 1px solid rgba(0,200,255,0.3);
  font-size: 13px;
}
.pt-hover-value b { font-size: 16px; color: var(--text); }

/* ─── Midpoint guide panel ──────────────────────────────────────────── */
.pt-mid-panel {
  margin-top: 6px; padding: 8px 10px;
  background: rgba(255, 255, 255, .03);
  border: 1px solid var(--border); border-radius: 8px;
}
.pt-mid-panel .pt-row { padding: 3px 0; }
input.pt-color {
  width: 38px; height: 26px; padding: 0; border: 1px solid var(--border);
  border-radius: 4px; background: transparent; cursor: pointer;
}

/* ─── Settings popover (top-right) ──────────────────────────────────── */
.pt-settings-popover {
  position: fixed;
  z-index: 9999;
  width: 360px;
  max-height: calc(100vh - 80px);
  overflow-y: auto;
  background: rgba(22, 27, 34, .98);
  backdrop-filter: blur(22px);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .6);
  padding: 14px 16px;
  color: var(--text);
  font-size: 13px;
}
.pt-settings-head {
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border); padding-bottom: 8px; margin-bottom: 8px;
}
.pt-settings-popover h4 {
  font-size: 11px; text-transform: uppercase; letter-spacing: 1.2px;
  color: var(--accent); margin: 12px 0 4px;
}
.pt-settings-popover .pt-row { padding: 4px 0; }

/* ─── Cal anchor popup (per-line fine adjustment) ───────────────────── */
.pt-cal-popup {
  position: fixed; z-index: 10000;
  width: 280px;
  background: rgba(22, 27, 34, .98);
  backdrop-filter: blur(22px);
  border: 1px solid #ffd000;
  border-radius: var(--radius);
  box-shadow: 0 12px 40px rgba(0, 0, 0, .65), 0 0 18px rgba(255, 208, 0, .15);
  padding: 12px 14px;
  color: var(--text); font-size: 12px;
}
.pt-cap-head {
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border); padding-bottom: 8px; margin-bottom: 8px;
}
.pt-cap-info { color: var(--text-dim); font-size: 11px; margin-bottom: 10px; font-family: ui-monospace, monospace; }
.pt-cap-section { margin-bottom: 10px; }
.pt-cap-label { font-size: 11px; color: var(--text-dim); margin-bottom: 6px; }
.pt-cap-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 4px;
}
.pt-cap-grid .pt-btn { padding: 5px 0; font-size: 11px; min-width: 0; }
.pt-cap-tilt, .pt-cap-y { font-weight: 700; color: var(--text); font-family: ui-monospace, monospace; }
.pt-cap-foot { display: flex; justify-content: flex-end; border-top: 1px solid var(--border); padding-top: 8px; margin-top: 4px; }
.pt-cap-foot .pt-btn { padding: 6px 12px; font-size: 11px; }

/* ─── Clickable label-as-row (whole row toggles checkbox) ───────────── */
.pt-row-check {
  cursor: pointer;
  user-select: none;
  border-radius: 4px;
  padding: 6px 4px;
  margin: 0 -4px;
  transition: background .12s;
}
.pt-row-check:hover { background: rgba(255, 255, 255, .04); }
.pt-row-check input[type="checkbox"] {
  width: 18px; height: 18px; cursor: pointer; flex-shrink: 0;
}
.pt-row-check span { flex: 1; }

/* ─── Day tabs (step 4) ─────────────────────────────────────────────── */
.pt-day-tabs { display: flex; flex-wrap: wrap; gap: 4px; }
.pt-day-tab {
  display: flex; flex-direction: column; align-items: center;
  padding: 6px 10px; min-width: 60px;
  background: var(--bg-elev-1); border: 1px solid var(--border);
  color: var(--text); border-radius: 6px; cursor: pointer;
  font-size: 12px; transition: all .12s;
}
.pt-day-tab:hover { border-color: var(--accent); }
.pt-day-tab.active { background: var(--accent); color: white; }
.pt-day-tab small { font-size: 10px; opacity: 0.75; }
.pt-day-tab.badge-low      { border-left: 3px solid #fb923c; }
.pt-day-tab.badge-half     { border-left: 3px solid #38bdf8; }
.pt-day-tab.badge-complete { border-left: 3px solid #34d399; }

/* ─── Slot table ────────────────────────────────────────────────────── */
.pt-slot-table { max-height: 360px; overflow-y: auto; }
.pt-slot-tbl { width: 100%; border-collapse: collapse; font-size: 12px; }
.pt-slot-tbl th, .pt-slot-tbl td {
  padding: 4px 6px; border-bottom: 1px solid var(--border); text-align: left;
}
.pt-slot-tbl tr.active { background: rgba(140, 100, 250, 0.18); }
.pt-slot-tbl tr.marked .pt-slot-hour { color: #34d399; font-weight: 600; }
.pt-slot-hour {
  background: transparent; border: none; color: var(--text);
  cursor: pointer; font-family: inherit; padding: 2px 4px; border-radius: 4px;
}
.pt-slot-hour:hover { background: var(--bg-elev-2); }
.pt-slot-val {
  width: 70px; padding: 3px 6px; font-size: 12px;
  background: var(--bg-elev-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 4px;
}
.pt-slot-round {
  font-variant-numeric: tabular-nums;
  text-align: center; min-width: 28px;
  color: var(--text-dim); font-weight: 600;
}
.pt-slot-tbl tr.marked .pt-slot-round { color: #34d399; }
.pt-slot-del {
  background: transparent; border: none; color: var(--text-dim);
  cursor: pointer; font-size: 16px; padding: 0 4px;
}
.pt-slot-del:hover { color: var(--error); }

/* ─── Min/Max ───────────────────────────────────────────────────────── */
.pt-mm-row {
  padding: 8px; margin-bottom: 4px;
  background: var(--bg-elev-1); border-radius: 6px; font-size: 12px;
}
.pt-mm-pair { display: flex; gap: 4px; margin-top: 4px; }
.pt-mm-pair .pt-btn { flex: 1; font-size: 11px; padding: 4px 6px; }
.pt-mm-pair .pt-btn.done { background: rgba(52, 211, 153, 0.18); border-color: #34d399; }
.pt-mm-pair .mm-del { flex: 0; }

/* ─── Modal ─────────────────────────────────────────────────────────── */
/* CRITICAL: modal markup is appended to <body>, NOT inside #pro-track-root,
   so the root-scoped `color: var(--text)` rule does NOT cascade in. Every
   modal class needs its own explicit `color` (and `font-family`) — without
   them the OS default body color (black) wins and the user sees black
   text on the dark `--bg-elev-1` surface. */
.pt-modal-back {
  position: fixed; inset: 0; background: rgba(0,0,0,0.6);
  display: flex; align-items: center; justify-content: center; z-index: 9998;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'Inter', 'Segoe UI', sans-serif;
}
.pt-modal {
  background: var(--bg-elev-1); border: 1px solid var(--border);
  border-radius: 10px; padding: 20px; width: min(540px, 90vw);
  max-height: 80vh; overflow-y: auto; box-shadow: var(--shadow);
  color: var(--text);
}
.pt-modal h3 { margin-top: 0; color: var(--text); }
.pt-modal h4 { color: var(--accent); }
.pt-modal p, .pt-modal label, .pt-modal span, .pt-modal div, .pt-modal b, .pt-modal strong { color: inherit; }
.pt-modal .hint { color: var(--text-dim); }
.pt-session-list { display: flex; flex-direction: column; gap: 6px; }
.pt-session-row {
  display: flex; align-items: center; gap: 10px;
  padding: 10px; border-radius: 6px;
  background: var(--bg-elev-2); border: 1px solid var(--border);
  color: var(--text);
}
.pt-ses-name { flex: 1; color: var(--text); }
.pt-ses-name b { color: var(--text); }
.pt-ses-actions { display: flex; gap: 4px; }

/* ─── Login screen — premium glassy aurora ───────────────────────────── */
#pt-login-root {
  position: fixed; inset: 0; z-index: 10000;
  display: flex; align-items: center; justify-content: center;
  background: #07090d;
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', sans-serif;
  padding: 24px;
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Aurora: tri "blob" radijalna gradijenta s slow drift animacijom.
   Daje premium "Apple-style" pozadinu — bez očitog repeating pattern-a. */
.pt-login-aurora {
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(circle at 18% 28%, rgba(45, 212, 191, 0.32) 0%, transparent 45%),
    radial-gradient(circle at 82% 72%, rgba(99, 102, 241, 0.22) 0%, transparent 50%),
    radial-gradient(circle at 50% 100%, rgba(139, 92, 246, 0.18) 0%, transparent 55%);
  filter: blur(70px);
  animation: pt-aurora-float 18s ease-in-out infinite alternate;
  pointer-events: none;
}
@keyframes pt-aurora-float {
  from { transform: translate(0, 0) scale(1); }
  to   { transform: translate(-30px, 18px) scale(1.05); }
}

/* Karta — glassmorphism: poluprozirna pozadina + backdrop-filter */
.pt-login-card {
  position: relative;
  z-index: 1;
  width: min(440px, 100%);
  background: linear-gradient(180deg, rgba(22, 28, 36, 0.78) 0%, rgba(14, 18, 25, 0.88) 100%);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: 24px;
  padding: 40px 44px 36px;
  box-shadow:
    0 30px 80px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(24px) saturate(140%);
  -webkit-backdrop-filter: blur(24px) saturate(140%);
  animation: pt-login-enter 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}
@keyframes pt-login-enter {
  from { opacity: 0; transform: translateY(14px) scale(0.97); }
  to   { opacity: 1; transform: none; }
}

.pt-login-brand {
  display: flex; align-items: center; gap: 14px;
  margin-bottom: 32px;
}
.pt-login-mark {
  width: 56px; height: 56px;
  display: flex; align-items: center; justify-content: center;
  background: linear-gradient(135deg, #2dd4bf 0%, #14b8a6 50%, #0891b2 100%);
  color: rgba(255, 255, 255, 0.96);
  border-radius: 18px;
  box-shadow:
    0 12px 30px rgba(45, 212, 191, 0.42),
    inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.pt-login-mark svg { width: 32px; height: 32px; }

.pt-login-brand-text { display: flex; flex-direction: column; }
.pt-login-title-row { display: flex; align-items: center; gap: 8px; }
.pt-login-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.3px;
  color: var(--text);
}
.pt-login-pro {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 1px;
  background: linear-gradient(135deg, #2dd4bf, #0891b2);
  color: #02211d;
  padding: 3px 7px;
  border-radius: 5px;
  text-transform: uppercase;
  box-shadow: 0 4px 10px rgba(45, 212, 191, 0.28);
}
.pt-login-sub {
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.4px;
  margin-top: 3px;
}

.pt-login-heading {
  font-size: 34px;
  font-weight: 700;
  letter-spacing: -0.8px;
  margin: 0 0 8px;
  line-height: 1.1;
  background: linear-gradient(180deg, #ffffff 0%, #b8c2cc 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.pt-login-lead {
  color: var(--text-dim);
  margin: 0 0 28px;
  font-size: 14px;
  line-height: 1.5;
}

.pt-login-form { display: flex; flex-direction: column; gap: 14px; }

/* Floating-label inputi — placeholder-shown trick: label se podiže gore
   kad je input fokusiran ILI ima value. Apple iCloud / macOS feel. */
.pt-login-field {
  position: relative;
  background: rgba(255, 255, 255, 0.025);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  transition: border-color 0.2s, background 0.2s, box-shadow 0.2s;
}
.pt-login-field:focus-within {
  border-color: rgba(45, 212, 191, 0.65);
  background: rgba(45, 212, 191, 0.04);
  box-shadow: 0 0 0 3px rgba(45, 212, 191, 0.12);
}
.pt-login-field > input {
  width: 100%;
  background: transparent;
  border: none; outline: none;
  color: var(--text);
  font-size: 15px;
  font-family: inherit;
  padding: 22px 44px 8px 16px;
  border-radius: 12px;
  -webkit-text-fill-color: var(--text);
}
.pt-login-field > input::placeholder { color: transparent; }
.pt-login-field > label {
  position: absolute;
  top: 14px;
  left: 16px;
  font-size: 14px;
  color: var(--text-dim);
  pointer-events: none;
  transition: top 0.18s ease, font-size 0.18s ease,
              color 0.18s ease, letter-spacing 0.18s ease;
}
.pt-login-field > input:focus ~ label,
.pt-login-field > input:not(:placeholder-shown) ~ label {
  top: 6px;
  font-size: 10px;
  letter-spacing: 0.8px;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
}
.pt-login-eye {
  position: absolute;
  top: 13px; right: 10px;
  background: transparent;
  border: none;
  padding: 5px;
  cursor: pointer;
  color: var(--text-dim);
  display: flex; align-items: center;
  border-radius: 6px;
  transition: color 0.15s, background 0.15s;
}
.pt-login-eye:hover { color: var(--text); background: rgba(255, 255, 255, 0.04); }
.pt-login-eye.visible { color: var(--accent); }

.pt-login-error {
  margin-top: 4px;
  padding: 12px 14px;
  border-radius: 10px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.30);
  color: #fecaca;
  font-size: 13px;
  animation: pt-login-shake 0.5s cubic-bezier(0.36, 0.07, 0.19, 0.97);
}
@keyframes pt-login-shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

.pt-login-submit {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  margin-top: 8px;
  padding: 15px 22px;
  background: linear-gradient(135deg, #2dd4bf 0%, #14b8a6 50%, #0d9488 100%);
  color: #02211d;
  border: none;
  border-radius: 14px;
  font-size: 16px;
  font-weight: 600;
  font-family: inherit;
  letter-spacing: -0.2px;
  cursor: pointer;
  transition: transform 0.18s cubic-bezier(0.22, 1, 0.36, 1),
              box-shadow 0.2s, opacity 0.2s;
  box-shadow:
    0 10px 28px rgba(45, 212, 191, 0.32),
    inset 0 1px 0 rgba(255, 255, 255, 0.18);
}
.pt-login-submit .pt-login-arrow {
  transition: transform 0.25s cubic-bezier(0.22, 1, 0.36, 1);
}
.pt-login-submit:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px rgba(45, 212, 191, 0.45), inset 0 1px 0 rgba(255, 255, 255, 0.22);
}
.pt-login-submit:hover .pt-login-arrow { transform: translateX(3px); }
.pt-login-submit:active { transform: translateY(0); }
.pt-login-submit:disabled { opacity: 0.65; cursor: wait; transform: none; }
.pt-login-submit.busy .pt-login-arrow { animation: pt-spin 1s linear infinite; }

/* ─── Account modal ─────────────────────────────────────────────────── */
.pt-acc-section { display: flex; flex-direction: column; gap: 6px; }
.pt-acc-label {
  font-size: 11px; letter-spacing: 1.1px; color: var(--text-dim);
  font-weight: 600; text-transform: uppercase; margin-bottom: 4px;
}
.pt-acc-value { font-size: 16px; font-weight: 600; color: var(--text); }
.pt-acc-user-list { display: flex; flex-direction: column; gap: 4px; max-height: 220px; overflow-y: auto; }
.pt-acc-user-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 8px 12px; background: var(--bg-elev-2); border-radius: 6px;
  border: 1px solid var(--border); font-size: 13px;
}
.pt-acc-user-name { color: var(--text); }
.pt-acc-tag {
  display: inline-block; padding: 1px 6px; margin-left: 6px;
  background: rgba(45,212,191,0.15); color: var(--accent);
  border-radius: 4px; font-size: 10px; font-weight: 600;
  letter-spacing: 0.5px; text-transform: uppercase;
}

/* ─── Topbar inline toggle (cal-line show/hide) ──────────────────────── */
.pt-topbar-toggle {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px; background: var(--bg-elev-2);
  border: 1px solid var(--border); border-radius: 8px;
  font-size: 12px; color: var(--text); cursor: pointer;
  user-select: none; transition: var(--transition);
}
.pt-topbar-toggle:hover { background: #2c3540; border-color: #455161; }
.pt-topbar-toggle input[type="checkbox"] { margin: 0; accent-color: var(--accent); cursor: pointer; }
.pt-topbar-toggle-text { color: var(--text); }

/* ─── Collapsible sidebar sections (step 4) ──────────────────────────── */
.pt-collapsible .pt-coll-head {
  cursor: pointer;
  user-select: none;
  display: flex; align-items: center; gap: 6px;
  transition: color var(--transition);
}
.pt-collapsible .pt-coll-head:hover { color: var(--accent); }
.pt-collapsible .pt-coll-arrow {
  display: inline-block; width: 12px; text-align: center;
  font-size: 10px; color: var(--text-dim);
  transition: color var(--transition);
}
.pt-collapsible .pt-coll-head:hover .pt-coll-arrow { color: var(--accent); }
.pt-collapsible.collapsed .pt-coll-head { margin-bottom: 0; }

/* Make the slot cell input also dark-themed (defends against parent
   overrides — class-based rule wins over the generic input[type=text]
   block above when both apply, so explicit declaration here). */
#pro-track-root .pt-slot-val {
  background: var(--bg-elev-2);
  color: var(--text);
  border: 1px solid var(--border);
}

/* ─── Accessibility — keyboard focus indicators ──────────────────────── */
/* Without a visible focus ring keyboard-only users cannot tell what they
   are activating. We removed `outline` on input:focus elsewhere (relying
   on border-color: var(--accent) for inputs), but every clickable
   non-input element (buttons, day tabs, instrument cards, cal rows,
   collapsible heads) had NO focus indicator at all — WCAG 2.4.7. Add a
   universal `:focus-visible` ring that doesn't show on mouse clicks. */
#pro-track-root :focus-visible,
.pt-modal :focus-visible,
.pt-settings-popover :focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

/* ─── Firefox slider thumb parity ────────────────────────────────────── */
/* Webkit thumb is styled above; FF needs ::-moz-range-thumb. Without
   this rule FF renders the system-default thumb on every slider —
   inconsistent visual but still functional. */
input[type="range"].pt-slider::-moz-range-thumb {
  width: 16px; height: 16px; border-radius: 50%;
  background: var(--accent);
  border: none;
  cursor: pointer;
}

/* ─── Reduced motion ─────────────────────────────────────────────────── */
/* Respect `prefers-reduced-motion: reduce` — strip animations from
   spinners, toasts, hover lifts, login submit, etc. We don't disable
   transitions entirely (the user expects the page to react) but cap
   them at near-zero so vestibular-disorder users don't get motion. */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* ─── Detect-in-progress overlay ─────────────────────────────────────── */
/* Pokriva pt-canvas-wrap tijekom POST /api/detect/full. Veliki spinner
   + elapsed brojač + tekst objašnjenja — bez ovoga korisnik na sporijem
   hardver-u (npr. CPU-cap Docker container na VPS-u, detekcija 15-40 s)
   misli da je sve zamrznulo. */
.pt-detect-overlay {
  position: absolute;
  inset: 0;
  background: rgba(11, 14, 18, 0.72);
  backdrop-filter: blur(2px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  pointer-events: auto;   /* blok klikova na canvas dok je detect u tijeku */
  animation: pt-detect-fade .2s ease-out;
}
@keyframes pt-detect-fade {
  from { opacity: 0; }
  to   { opacity: 1; }
}
.pt-detect-card {
  background: var(--bg-elev-1);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 40px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  min-width: 320px;
  max-width: 80%;
  color: var(--text);
}
.pt-detect-spinner {
  width: 56px;
  height: 56px;
  border: 5px solid rgba(45, 212, 191, 0.18);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: pt-spin 0.9s linear infinite;
}
.pt-detect-title {
  font-size: 18px;
  font-weight: 600;
  color: var(--text);
}
.pt-detect-elapsed {
  font-family: ui-monospace, monospace;
  font-size: 24px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.5px;
  min-width: 90px;
  text-align: center;
}
.pt-detect-hint {
  font-size: 12px;
  color: var(--text-dim);
  text-align: center;
  line-height: 1.5;
  max-width: 280px;
}