/* ============================================================
   BALLPARK — workshop-instrument design system
   Palette: Tape Yellow / Ink / Paper. Numerals are instrument
   readouts (monospace). Signature element: the tape slider.
   Hit/miss pairs validated for CVD in both themes; verdicts
   always carry icon + text, never color alone.
   ============================================================ */

:root {
  --paper: #FAFAF7;
  --surface: #FFFFFF;
  --ink: #1B2733;
  --graphite: #5C6B7A;
  --faint: #E4E6E0;
  --grid: rgba(27, 39, 51, 0.045);
  --tape: #FFC933;
  --tape-deep: #E0A800;
  --tape-ink: #4A3A00;
  --hit: #0A7B42;
  --hit-soft: rgba(10, 123, 66, 0.12);
  --miss: #F4837E;
  --miss-deep: #C43A33;
  --miss-soft: rgba(196, 58, 51, 0.10);
  --shadow: 0 2px 10px rgba(27, 39, 51, 0.08), 0 10px 34px rgba(27, 39, 51, 0.07);
  --radius: 14px;
  --mono: ui-monospace, "Cascadia Code", "SF Mono", Consolas, Menlo, monospace;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #10161D;
    --surface: #1A222C;
    --ink: #E9EDF2;
    --graphite: #97A4B2;
    --faint: #2A3542;
    --grid: rgba(233, 237, 242, 0.035);
    --tape: #FFC933;
    --tape-deep: #D9A50A;
    --tape-ink: #3D3000;
    --hit: #26AC7F;
    --hit-soft: rgba(38, 172, 127, 0.16);
    --miss: #E8524A;
    --miss-deep: #E8524A;
    --miss-soft: rgba(232, 82, 74, 0.14);
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.35), 0 10px 34px rgba(0, 0, 0, 0.3);
  }
}
:root[data-theme="light"] {
  --paper: #FAFAF7; --surface: #FFFFFF; --ink: #1B2733; --graphite: #5C6B7A;
  --faint: #E4E6E0; --grid: rgba(27,39,51,0.045); --tape: #FFC933; --tape-deep: #E0A800;
  --tape-ink: #4A3A00; --hit: #0A7B42; --hit-soft: rgba(10,123,66,0.12);
  --miss: #F4837E; --miss-deep: #C43A33; --miss-soft: rgba(196,58,51,0.10);
  --shadow: 0 2px 10px rgba(27,39,51,0.08), 0 10px 34px rgba(27,39,51,0.07);
}
:root[data-theme="dark"] {
  --paper: #10161D; --surface: #1A222C; --ink: #E9EDF2; --graphite: #97A4B2;
  --faint: #2A3542; --grid: rgba(233,237,242,0.035); --tape: #FFC933; --tape-deep: #D9A50A;
  --tape-ink: #3D3000; --hit: #26AC7F; --hit-soft: rgba(38,172,127,0.16);
  --miss: #E8524A; --miss-deep: #E8524A; --miss-soft: rgba(232,82,74,0.14);
  --shadow: 0 2px 10px rgba(0,0,0,0.35), 0 10px 34px rgba(0,0,0,0.3);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }

body {
  font-family: var(--sans);
  background: var(--paper);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 24px 24px;
  color: var(--ink);
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
}

.app {
  max-width: 560px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: env(safe-area-inset-top) max(16px, env(safe-area-inset-left))
           calc(20px + env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-right));
}

button { font-family: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--tape); outline-offset: 2px; border-radius: 4px; }

/* ---------- top bar ---------- */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0 10px;
  border-bottom: 2px solid var(--ink);
}
.wordmark { display: flex; align-items: baseline; gap: 8px; cursor: pointer; user-select: none; }
.logo-brackets {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.3rem;
  color: var(--ink);
  letter-spacing: -0.08em;
  display: inline-flex;
  align-items: center;
}
.logo-ball {
  display: inline-block;
  width: 0.55em; height: 0.55em;
  background: var(--tape);
  border: 2px solid var(--ink);
  border-radius: 50%;
  margin: 0 0.1em;
}
.wordmark-text {
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: 0.04em;
}
.puzzle-no { font-family: var(--mono); font-size: 0.8rem; color: var(--graphite); }
.topbar-actions { display: flex; gap: 4px; align-items: center; }
.iconbtn {
  background: none; border: none; color: var(--ink);
  padding: 8px; border-radius: 8px;
  display: inline-flex; align-items: center; gap: 3px;
  font-size: 0.95rem;
}
.iconbtn:hover { background: var(--faint); }
.streak-n { font-family: var(--mono); font-weight: 700; font-size: 0.9rem; }

/* ---------- stage / screens ---------- */
.stage { flex: 1; display: flex; flex-direction: column; padding-top: 18px; }
.screen { display: flex; flex-direction: column; flex: 1; animation: screen-in 0.28s ease; }
@keyframes screen-in { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }

/* ---------- progress ruler ---------- */
.progress-ruler {
  display: flex; gap: 6px; align-items: flex-end;
  height: 22px; margin-bottom: 22px;
}
.ptick {
  flex: 1; height: 10px;
  background: var(--faint);
  border-radius: 3px 3px 0 0;
  transition: height 0.25s ease, background 0.25s ease;
  position: relative;
}
.ptick.current { height: 22px; background: var(--tape); }
.ptick.done-hit { height: 16px; background: var(--hit); }
.ptick.done-miss { height: 16px; background: var(--miss-deep); }
.ptick.done-miss::after {
  /* misses get a stripe pattern so hit/miss never rides on color alone */
  content: ""; position: absolute; inset: 0;
  background: repeating-linear-gradient(45deg,
    transparent 0, transparent 3px,
    rgba(255, 255, 255, 0.55) 3px, rgba(255, 255, 255, 0.55) 5px);
  border-radius: inherit;
}

/* ---------- question ---------- */
.q-eyebrow {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--graphite);
  margin-bottom: 10px;
}
.q-eyebrow .q-count { color: var(--ink); font-weight: 700; }
.q-prompt {
  font-size: clamp(1.4rem, 5.2vw, 1.7rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
  min-height: 2.6em;
}
.q-asof { font-size: 0.8rem; color: var(--graphite); margin-bottom: 4px; }

/* ---------- instrument readout ---------- */
.readout {
  font-family: var(--mono);
  text-align: center;
  margin: 26px 0 6px;
  font-size: clamp(1.5rem, 6vw, 1.9rem);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
}
.readout .r-dash { color: var(--graphite); padding: 0 0.35em; font-weight: 400; }
.readout .r-unit { font-size: 0.55em; color: var(--graphite); font-weight: 400; margin-left: 0.4em; }
.readout .r-worth {
  display: block;
  font-size: 0.5em; font-weight: 600; color: var(--graphite);
  margin-top: 4px; letter-spacing: 0.02em;
}
.readout .r-worth.tight { color: var(--hit); }

/* streak stakes + celebration */
.streak-line {
  font-weight: 700; font-size: 0.9rem;
  margin-bottom: 14px; text-align: center;
}
.pb-ribbon {
  display: inline-block;
  background: var(--tape); color: var(--tape-ink);
  border: 2px solid var(--ink); border-radius: 8px;
  font-weight: 800; font-size: 0.9rem;
  padding: 5px 14px; margin: 10px auto 2px;
}

/* end-of-day recap */
.recap { margin: 18px 0 4px; text-align: left; display: flex; flex-direction: column; gap: 8px; }
.recap-row {
  display: flex; align-items: center; gap: 10px;
  background: var(--surface); border: 2px solid var(--faint);
  border-radius: 10px; padding: 9px 12px;
}
.recap-emoji { font-size: 1rem; }
.recap-mid { flex: 1; min-width: 0; }
.recap-q { font-size: 0.82rem; font-weight: 600; line-height: 1.3; }
.recap-nums { font-family: var(--mono); font-size: 0.74rem; color: var(--graphite); margin-top: 2px; }
.recap-nums b { color: var(--ink); }
.recap-pts { font-family: var(--mono); font-weight: 800; font-size: 0.9rem; }

/* challenge banner on question screens */
.challenge-banner {
  background: var(--surface); border: 2px dashed var(--tape-deep);
  border-radius: 10px; padding: 8px 12px;
  font-weight: 700; font-size: 0.85rem; text-align: center;
  margin-bottom: 14px;
}

/* archive picker */
.archive-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px;
  margin-top: 6px;
}
.archive-chip {
  font-family: var(--mono); font-weight: 700; font-size: 0.9rem;
  background: var(--surface); color: var(--ink);
  border: 2px solid var(--faint); border-radius: 10px;
  padding: 10px 4px;
  display: flex; flex-direction: column; align-items: center; gap: 2px;
}
.archive-chip.played { border-color: var(--tape-deep); }
.archive-chip:hover { border-color: var(--ink); }
.chip-score { font-size: 0.7rem; color: var(--graphite); font-weight: 400; }

/* dispute link inside verdict source line */
.dispute { color: inherit; }

/* quiet inline action */
.linklike {
  background: none; border: none;
  color: var(--graphite); font-size: 0.85rem;
  text-decoration: underline; text-underline-offset: 3px;
  margin-top: 10px; padding: 6px;
}
.linklike:hover { color: var(--ink); }
.pro-note { font-size: 0.78rem; color: var(--graphite); margin-top: 8px; text-align: center; }

/* ---------- the tape slider (signature element) ---------- */
.tape-wrap { padding: 30px 10px 6px; }
.tape { touch-action: pan-y; }
.tape {
  position: relative;
  height: 54px;
  border-radius: 8px;
  background: var(--surface);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow);
  /* ruler ticks: minor every 5%, major every 25% */
  background-image:
    repeating-linear-gradient(90deg,
      transparent 0, transparent calc(5% - 1px),
      var(--faint) calc(5% - 1px), var(--faint) 5%),
    repeating-linear-gradient(90deg,
      transparent 0, transparent calc(25% - 2px),
      var(--graphite) calc(25% - 2px), var(--graphite) 25%);
  background-size: 100% 34%, 100% 60%;
  background-repeat: repeat-x;
  background-position: bottom left, bottom left;
}
.tape-fill {
  position: absolute; top: -2px; bottom: -2px;
  background: var(--tape);
  opacity: 0.9;
  border-top: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transition: background 0.3s ease;
}
.tape.revealed .tape-fill { transition: background 0.3s ease, left 0.3s ease, right 0.3s ease; }
.tape-fill.verdict-hit { background: var(--hit); opacity: 0.55; }
.tape-fill.verdict-miss { background: var(--miss); opacity: 0.55; }

.handle {
  position: absolute; top: -12px;
  width: 34px; height: 78px;
  margin-left: -17px;
  touch-action: none;
  background: var(--tape);
  border: 2.5px solid var(--ink);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--mono); font-weight: 800; font-size: 1.25rem;
  color: var(--tape-ink);
  box-shadow: 0 3px 8px rgba(0,0,0,0.22);
  z-index: 3;
  user-select: none;
  transition: transform 0.12s ease;
}
.handle::after {
  /* invisible hit-area expansion to a ≥44px effective touch target */
  content: ""; position: absolute; inset: -10px -14px;
}
.handle:active, .handle.dragging { transform: scale(1.08); z-index: 4; }
.handle:focus-visible { outline: 3px solid var(--miss-deep); }

.tape-labels {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 0.75rem; color: var(--graphite);
  padding: 8px 10px 0;
  font-variant-numeric: tabular-nums;
}

/* the truth needle */
.needle {
  position: absolute; top: -30px; bottom: -8px;
  width: 3px; margin-left: -1.5px;
  background: var(--ink);
  border-radius: 2px;
  z-index: 5;
  transform-origin: top center;
  animation: needle-drop 0.55s cubic-bezier(0.22, 1.6, 0.36, 1);
}
.needle-flag {
  position: absolute; top: -28px; left: 50%;
  transform: translateX(-50%);
  background: var(--ink); color: var(--paper);
  font-family: var(--mono); font-weight: 700; font-size: 0.82rem;
  padding: 3px 8px; border-radius: 6px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}
.needle-flag.flag-left { transform: none; left: -4px; }
.needle-flag.flag-right { transform: none; left: auto; right: -4px; }
@keyframes needle-drop {
  0% { transform: translateY(-46px) scaleY(0.3); opacity: 0; }
  60% { transform: translateY(4px) scaleY(1.04); opacity: 1; }
  100% { transform: none; opacity: 1; }
}

/* ---------- actions ---------- */
.action-row { margin-top: 34px; display: flex; flex-direction: column; gap: 10px; }
.btn {
  border: 2.5px solid var(--ink);
  border-radius: var(--radius);
  padding: 15px 22px;
  font-size: 1.05rem; font-weight: 700;
  background: var(--surface); color: var(--ink);
  transition: transform 0.1s ease, box-shadow 0.1s ease;
  box-shadow: 0 3px 0 var(--ink);
}
.btn:active { transform: translateY(3px); box-shadow: 0 0 0 var(--ink); }
.btn-primary { background: var(--tape); color: var(--tape-ink); }
.btn-ghost { border-color: var(--faint); box-shadow: 0 3px 0 var(--faint); color: var(--graphite); }
.btn:disabled { opacity: 0.45; cursor: default; }

/* ---------- verdict / reveal ---------- */
.verdict {
  margin-top: 26px;
  border: 2px solid var(--ink);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
  padding: 18px;
  animation: screen-in 0.3s ease 0.35s both;
}
.verdict-line {
  display: flex; align-items: baseline; justify-content: space-between;
  margin-bottom: 8px;
}
.verdict-word { font-weight: 800; font-size: 1.2rem; display: flex; align-items: center; gap: 8px; }
.verdict-word.is-hit { color: var(--hit); }
.verdict-word.is-miss { color: var(--miss-deep); }
.verdict-pts {
  font-family: var(--mono); font-weight: 800; font-size: 1.5rem;
  font-variant-numeric: tabular-nums;
}
.verdict-fact { color: var(--graphite); font-size: 0.95rem; line-height: 1.5; }
.verdict-src { font-family: var(--mono); font-size: 0.75rem; color: var(--graphite); margin-top: 10px; }

/* ---------- summary ---------- */
.summary { text-align: center; padding-top: 10px; }
.summary-kicker {
  font-family: var(--mono); font-size: 0.75rem; letter-spacing: 0.16em;
  text-transform: uppercase; color: var(--graphite); margin-bottom: 6px;
}
.summary-score {
  font-family: var(--mono); font-weight: 800;
  font-size: clamp(3rem, 15vw, 4.2rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.03em;
  line-height: 1;
}
.summary-score .of { font-size: 0.35em; color: var(--graphite); font-weight: 400; }
.summary-grid {
  font-size: 1.6rem; letter-spacing: 0.12em; margin: 18px 0 4px;
  font-family: var(--mono);
}
.summary-label { color: var(--graphite); font-size: 0.9rem; margin-bottom: 20px; }
.countdown { font-family: var(--mono); font-variant-numeric: tabular-nums; color: var(--graphite); font-size: 0.9rem; margin-top: 18px; }
.countdown b { color: var(--ink); }

/* ---------- modals ---------- */
.modal-veil {
  position: fixed; inset: 0; z-index: 40;
  background: rgba(16, 22, 29, 0.55);
  display: flex; align-items: flex-end; justify-content: center;
  animation: veil-in 0.2s ease;
}
@keyframes veil-in { from { opacity: 0; } to { opacity: 1; } }
.modal {
  background: var(--paper);
  border: 2px solid var(--ink);
  border-bottom: none;
  border-radius: 20px 20px 0 0;
  width: 100%; max-width: 560px;
  max-height: 88dvh; overflow-y: auto;
  padding: 24px 22px calc(28px + env(safe-area-inset-bottom));
  animation: modal-up 0.28s cubic-bezier(0.2, 0.9, 0.3, 1);
}
@keyframes modal-up { from { transform: translateY(40px); opacity: 0; } to { transform: none; opacity: 1; } }
.modal h2 { font-size: 1.35rem; font-weight: 800; letter-spacing: -0.01em; margin-bottom: 4px; }
.modal .modal-sub { color: var(--graphite); font-size: 0.9rem; margin-bottom: 18px; }
.modal-close {
  position: sticky; top: 0; float: right;
  background: var(--faint); border: none; border-radius: 50%;
  width: 34px; height: 34px; font-size: 1rem; color: var(--ink);
}

/* how-to-play */
.howto-step { display: flex; gap: 14px; margin-bottom: 16px; align-items: flex-start; }
.howto-glyph {
  font-family: var(--mono); font-weight: 800; font-size: 1.1rem;
  background: var(--tape); color: var(--tape-ink);
  border: 2px solid var(--ink); border-radius: 8px;
  min-width: 40px; height: 40px;
  display: flex; align-items: center; justify-content: center;
}
.howto-step p { font-size: 0.95rem; line-height: 1.45; padding-top: 2px; }
.howto-step p b { font-weight: 700; }

/* ---------- stats ---------- */
.stat-tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-bottom: 22px; }
.stat-tile {
  background: var(--surface); border: 2px solid var(--faint);
  border-radius: 10px; padding: 12px 6px; text-align: center;
}
.stat-tile .v {
  font-family: var(--mono); font-weight: 800; font-size: 1.4rem;
  font-variant-numeric: tabular-nums; line-height: 1.1;
}
.stat-tile .l { font-size: 0.68rem; color: var(--graphite); margin-top: 4px; line-height: 1.2; }

.chart-block { margin-bottom: 22px; }
.chart-title { font-size: 0.85rem; font-weight: 700; margin-bottom: 2px; }
.chart-sub { font-size: 0.75rem; color: var(--graphite); margin-bottom: 10px; }

/* calibration bullet bar */
.cal-track {
  position: relative; height: 26px;
  background: var(--surface);
  border: 2px solid var(--faint); border-radius: 6px;
  overflow: hidden;
}
.cal-band { position: absolute; top: 0; bottom: 0; background: var(--hit-soft); }
.cal-band-edge { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--faint); }
.cal-marker {
  position: absolute; top: 2px; bottom: 2px; width: 6px; margin-left: -3px;
  background: var(--tape); border: 2px solid var(--ink); border-radius: 3px;
}
.cal-scale {
  display: flex; justify-content: space-between;
  font-family: var(--mono); font-size: 0.68rem; color: var(--graphite); margin-top: 4px;
}

/* score histogram */
.hist { display: flex; align-items: flex-end; gap: 2px; height: 72px; }
.hist-col { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; }
.hist-bar {
  background: var(--tape);
  border-radius: 4px 4px 0 0;
  min-height: 2px;
  border: 1.5px solid var(--tape-deep);
  border-bottom: none;
}
.hist-bar.today { background: var(--ink); border-color: var(--ink); }
.hist-x {
  display: flex; gap: 2px;
  font-family: var(--mono); font-size: 0.7rem; color: var(--graphite); margin-top: 4px;
}
.hist-x span { flex: 1; text-align: center; }

/* ---------- practice & pro ---------- */
.pro-card {
  border: 2.5px solid var(--ink); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow);
  padding: 20px; margin-top: 10px;
}
.pro-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.pro-card ul { list-style: none; margin: 10px 0 16px; }
.pro-card li { padding: 5px 0 5px 26px; position: relative; font-size: 0.92rem; }
.pro-card li::before {
  content: "["; position: absolute; left: 4px;
  font-family: var(--mono); color: var(--tape-deep); font-weight: 800;
}
.pro-code-row { display: flex; gap: 8px; margin-top: 12px; }
.pro-code-row input {
  flex: 1; font-family: var(--mono);
  font-size: 16px; /* under 16px triggers iOS Safari auto-zoom on focus */
  padding: 10px 12px; border: 2px solid var(--faint); border-radius: 10px;
  background: var(--paper); color: var(--ink);
  min-width: 0;
}
.badge-pro {
  font-family: var(--mono); font-size: 0.62rem; font-weight: 800;
  background: var(--ink); color: var(--tape);
  padding: 2px 6px; border-radius: 4px; letter-spacing: 0.1em;
  vertical-align: middle;
}

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 34px; transform: translateX(-50%) translateY(20px);
  background: var(--ink); color: var(--paper);
  padding: 11px 20px; border-radius: 12px;
  font-weight: 600; font-size: 0.92rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.25s ease, transform 0.25s ease;
  z-index: 60; white-space: nowrap;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* points fly-up */
.pts-fly {
  position: absolute; z-index: 10;
  font-family: var(--mono); font-weight: 800; font-size: 1.6rem;
  color: var(--hit); pointer-events: none;
  animation: fly-up 1s ease forwards;
}
@keyframes fly-up {
  0% { transform: translateY(0); opacity: 0; }
  20% { opacity: 1; }
  100% { transform: translateY(-60px); opacity: 0; }
}

/* perfect-day confetti */
.confetti { position: fixed; inset: 0; pointer-events: none; z-index: 30; overflow: hidden; }
.confetti i {
  position: absolute; top: -14px;
  width: 9px; height: 14px; border-radius: 2px;
  animation: confetti-fall 2.1s cubic-bezier(0.3, 0.4, 0.6, 1) forwards;
}
@keyframes confetti-fall {
  0% { transform: translateY(0) rotate(0); opacity: 1; }
  100% { transform: translateY(105vh) rotate(560deg); opacity: 0.7; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}