/* Numbers, symbols, and punctuation use Courier New (monospace).
   Letters fall through to the first available handwritten face. */
@font-face {
  font-family: "xkcd-numbers";
  src: local("Courier New"), local("Courier"), monospace;
  unicode-range:
    U+0024,        /* $ */
    U+002B,        /* + */
    U+002C,        /* , */
    U+002D,        /* - */
    U+002E,        /* . */
    U+0025,        /* % */
    U+003A,        /* : */
    U+0030-0039;   /* 0–9 */
}

:root {
  --ink: #1a1a1a;
  --paper: #fafafa;
  --muted: #686868;
  --good: #1f7a3a;
  --bad: #b32020;
  --night: #0e1530;
  --focus: #075ac8;
  --xkcd-font: "xkcd-numbers", "Comic Sans MS", "Chalkboard SE", "Marker Felt", "Purisa", cursive;
}

/* Shared page defaults. Manipulation keeps taps responsive without disabling
   ordinary scrolling gestures. */
* {
  box-sizing: border-box;
  touch-action: manipulation;
}

html, body {
  margin: 0;
  padding: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--xkcd-font);
  -webkit-font-smoothing: antialiased;
}

body {
  font-size: 18px;
}

body > nav {
  font-family: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:where(button, input, [tabindex]):focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
}

/* Theme overrides reuse the same semantic ink and paper variables. */
@media (prefers-color-scheme: dark) {
  :root {
    --ink: #e8e8e8;
    --paper: #1a1a1a;
    --muted: #a0a0a0;
    --focus: #8ab4f8;
  }

  .chart-wrap {
    background: var(--paper);
  }

  .qty button:hover {
    background: rgba(255, 255, 255, 0.1);
  }

  button.big:hover:not(.is-disabled) {
    background: var(--paper);
    color: var(--ink);
  }

  button.big.is-disabled {
    color: #555;
    border-color: #333;
  }

  button.ghost {
    border-color: var(--ink);
  }

  .qty {
    border-color: var(--ink);
  }

  .stats {
    border-color: var(--ink);
  }

  .position {
    border-color: var(--ink);
  }

  .overlay {
    background: rgba(26, 26, 26, 0.92);
  }

  .overlay-card {
    border-color: var(--ink);
  }

  #qtyInput {
    color: var(--ink);
  }

  .qty button {
    text-shadow: -1px -1px 0 var(--paper), 1px -1px 0 var(--paper), -1px 1px 0 var(--paper), 1px 1px 0 var(--paper);
  }
}

/* App shell and session heading */
#game {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 32px 48px;
  display: grid;
  gap: 18px;
}

.topbar {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  position: relative;
}

.title {
  margin: 0;
  font-size: 48px;
  font-weight: 400;
  letter-spacing: 2px;
  transform: rotate(-1deg);
}

.clock {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-size: 22px;
  color: var(--muted);
}

.day-label {
  font-size: 22px;
  color: var(--muted);
}

.meta {
  font-size: 22px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.meta .dot { color: var(--muted); }

.change.up { color: var(--good); }
.change.down { color: var(--bad); }

/* Main chart and account summary */
.board {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 16px;
  align-items: stretch;
}

.chart-wrap {
  position: relative;
  background: var(--paper);
  min-height: 380px;
}

#chart {
  display: block;
  width: 100%;
  height: 380px;
}

.stats {
  display: grid;
  grid-template-rows: repeat(4, auto);
  gap: 14px;
  padding: 16px 22px;
  border: 2px solid var(--ink);
  border-radius: 8px;
  background: var(--paper);
  align-content: start;
  transform: rotate(0.4deg);
  overflow: hidden;
}

.stat-label {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--muted);
}

.stat-label-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.reset-btn {
  font-family: inherit;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 1px;
  color: var(--muted);
  background: none;
  border: 1.5px solid var(--muted);
  border-radius: 3px;
  min-width: 44px;
  min-height: 28px;
  padding: 3px 7px;
  cursor: pointer;
}
.reset-btn:hover { background: rgba(0, 0, 0, 0.06); }

.stat-value {
  font-size: 26px;
  font-weight: 700;
}

.stat-value.up { color: var(--good); }
.stat-value.down { color: var(--bad); }

.stat-total-row {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.total-pct {
  font-size: 15px;
  font-weight: 700;
  font-family: "Courier New", Courier, monospace;
  vertical-align: middle;
}
.total-pct.up { color: var(--good); }
.total-pct.down { color: var(--bad); }

/* Leverage selector, calculated order size, and trade actions */
.controls {
  display: grid;
  grid-template-columns: minmax(260px, 1fr) auto auto auto;
  gap: 12px;
  align-items: center;
  padding-top: 4px;
  width: 100%;
}

.order-sizing {
  display: grid;
  gap: 4px;
  min-width: 0;
}

.qty {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  min-width: 0;
  width: 100%;
  padding: 6px 14px;
  border: 2px solid var(--ink);
  border-radius: 30px;
}

.qty button {
  flex: 0 0 38px;
  width: 38px; height: 38px;
  border: none;
  background: transparent;
  font-family: var(--xkcd-font);
  font-size: 26px;
  cursor: pointer;
  color: white;
  text-shadow: -1px -1px 0 var(--ink), 1px -1px 0 var(--ink), -1px 1px 0 var(--ink), 1px 1px 0 var(--ink);
}

.qty button:hover { background: rgba(0,0,0,0.06); border-radius: 50%; }

#qtyInput {
  /* game.js updates these variables so very large leverage values still fit. */
  flex: 0 1 auto;
  width: clamp(72px, calc((var(--qty-chars, 4) + 1) * 1ch), 100%);
  max-width: calc(100% - 124px);
  min-width: 72px;
  text-align: center;
  font-size: var(--qty-font-size, 24px);
  font-family: var(--xkcd-font);
  border: none;
  background: transparent;
  color: var(--ink);
}

/* Remove spinner arrows from number input */
#qtyInput::-webkit-outer-spin-button,
#qtyInput::-webkit-inner-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

#qtyInput[type=number] {
  -moz-appearance: textfield;
}

.qty-info {
  display: flex;
  gap: 16px;
  align-items: center;
  justify-content: space-around;
  font-size: 16px;
  color: var(--muted);
  font-family: "Courier New", Courier, monospace;
}

.qty-unit {
  flex: 0 0 auto;
  font-size: 18px;
  color: var(--muted);
}

#qtyShares {
  min-width: 90px;
}

#qtyCost {
  min-width: 120px;
}

button.big {
  --button-rotate: -0.5deg;
  font-family: var(--xkcd-font);
  font-size: 22px;
  padding: 10px 26px;
  min-width: 92px;
  border: 2px solid var(--ink);
  background: var(--paper);
  border-radius: 12px;
  cursor: pointer;
  letter-spacing: 1px;
  transform: rotate(var(--button-rotate));
}

button.big.buy { color: var(--good); }
button.big.sell { --button-rotate: 0.5deg; color: var(--bad); }
button.big.close { color: var(--muted); border-color: var(--muted); }

button.big:hover:not(.is-disabled) {
  background: var(--ink);
  color: var(--paper);
}

/* Unavailable actions remain clickable so game.js can provide shake feedback. */
button.big.is-disabled {
  color: #bbb;
  border-color: #ddd;
  cursor: not-allowed;
  opacity: 0.78;
}

button.big.shake {
  animation: trade-shake 320ms ease-in-out;
}

@keyframes trade-shake {
  0%, 100% { transform: translateX(0) rotate(var(--button-rotate)); }
  18%, 54%, 90% { transform: translateX(-5px) rotate(var(--button-rotate)); }
  36%, 72% { transform: translateX(5px) rotate(var(--button-rotate)); }
}

@keyframes reduced-feedback {
  from { opacity: 0.77; }
  to   { opacity: 0.78; }
}

@media (prefers-reduced-motion: reduce) {
  button.big.shake {
    animation: reduced-feedback 1ms linear;
  }
}

/* Reserved style for secondary outlined actions */
button.ghost {
  margin-left: auto;
  font-family: var(--xkcd-font);
  font-size: 18px;
  padding: 8px 18px;
  background: transparent;
  border: 2px dashed var(--ink);
  border-radius: 30px;
  cursor: pointer;
  color: white;
  text-shadow: -1px -1px 0 var(--ink), 1px -1px 0 var(--ink), -1px 1px 0 var(--ink), 1px 1px 0 var(--ink);
}

/* Position readout and game-over modal */
.position {
  border-top: 2px solid var(--ink);
  padding-top: 12px;
}

.position-head {
  font-size: 13px;
  letter-spacing: 1px;
  color: var(--muted);
  margin: 0 0 6px;
}

.position-row {
  font-size: 22px;
}

.position-row .pl-up { color: var(--good); }
.position-row .pl-down { color: var(--bad); }

.overlay {
  position: fixed;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  overflow: auto;
  overscroll-behavior: contain;
  background: rgba(250,250,250,0.92);
  z-index: 50;
}

.overlay.hidden { display: none; }

.overlay-card {
  width: min(100%, 520px);
  background: var(--paper);
  border: 3px solid var(--ink);
  padding: 30px 40px;
  border-radius: 14px;
  font-size: 22px;
  text-align: center;
  transform: rotate(-1deg);
}

.overlay-card h1 {
  font-size: 42px;
  margin: 0 0 10px;
}

.overlay-card .scoreboard {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 8px 24px;
  margin: 18px 0;
  text-align: left;
}

.overlay-card .scoreboard .label {
  color: var(--muted);
  font-size: 16px;
}

.overlay-card button {
  font-family: var(--xkcd-font);
  font-size: 20px;
  padding: 10px 24px;
  border: 2px solid var(--ink);
  background: var(--paper);
  border-radius: 10px;
  cursor: pointer;
  margin-top: 10px;
}

.overlay-card button:hover { background: var(--ink); color: var(--paper); }

.fatal-error {
  min-height: 100dvh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.fatal-error-card {
  width: min(100%, 560px);
  padding: 28px 32px;
  border: 3px solid var(--ink);
  border-radius: 14px;
  background: var(--paper);
}

.fatal-error-card h1 {
  margin: 0 0 12px;
  font-size: 36px;
}

.fatal-error-card p {
  overflow-wrap: anywhere;
}

.fatal-error-card button {
  min-height: 44px;
  padding: 8px 18px;
  border: 2px solid var(--ink);
  border-radius: 10px;
  background: var(--paper);
  color: var(--ink);
  font: inherit;
  cursor: pointer;
}

.fatal-error-card button:hover {
  background: var(--ink);
  color: var(--paper);
}

.noscript-message {
  max-width: 720px;
  margin: 24px auto;
  padding: 16px;
  border: 2px solid var(--bad);
}

/* Mobile: stack chart/stats, then make leverage and sizing full-width rows
   above the three equally sized trade buttons. */
@media (max-width: 800px) {
  #game {
    padding: 8px 12px 16px;
    gap: 8px;
  }

  .title {
    font-size: 24px;
  }

  .clock {
    position: static;
    transform: none;
    margin-left: auto;
    margin-right: 12px;
    font-size: 16px;
  }

  .day-label {
    font-size: 16px;
  }

  .meta {
    font-size: 14px;
    gap: 4px;
  }

  .board {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  .chart-wrap {
    min-height: 220px;
  }

  #chart {
    height: 220px;
  }

  .stats {
    grid-template-columns: repeat(4, 1fr);
    grid-template-rows: auto;
    gap: 8px;
    padding: 8px;
    transform: none;
  }

  .stat {
    gap: 2px;
  }

  .stat-label {
    font-size: 10px;
  }

  .stat-value {
    font-size: 14px;
  }

  .total-pct {
    font-size: 11px;
  }

  .controls {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 8px;
    padding-top: 0;
  }

  .order-sizing {
    grid-column: 1 / -1;
  }

  button.big {
    padding: 6px 12px;
    font-size: 16px;
    min-width: 70px;
    border-radius: 8px;
  }

  .qty {
    width: 100%;
    justify-content: space-between;
    padding: 2px 8px;
  }

  #qtyInput {
    font-size: min(var(--qty-font-size, 18px), 18px);
    width: clamp(56px, calc((var(--qty-chars, 4) + 1) * 1ch), 100%);
    min-width: 56px;
    max-width: calc(100% - 104px);
  }

  .qty button {
    font-size: 18px;
    width: 38px;
    height: 38px;
  }

  .qty-info {
    width: 100%;
    justify-content: space-around;
    font-size: 12px;
    margin-top: -4px;
  }

  #qtyShares, #qtyCost {
    min-width: auto;
  }

  .position {
    padding-top: 8px;
  }

  .position-head {
    margin-bottom: 2px;
    font-size: 11px;
  }

  .position-row {
    font-size: 15px;
  }

  .reset-btn {
    font-size: 10px;
    min-height: 28px;
    padding: 2px 5px;
  }
}

@media (max-width: 480px) {
  #game {
    --trade-chart-height: 220px;
    --trade-chart-height: clamp(100px, calc(89dvh - 386px), 220px);
    --trade-title-size: 24px;
    --trade-clock-size: 16px;
    --trade-day-size: 16px;
    --trade-meta-size: 14px;
    --trade-meta-gap: 4px;
    --trade-meta-line-height: normal;
    --trade-stat-label-size: 10px;
    --trade-stat-value-size: 14px;
    --trade-total-pct-size: 11px;
    --trade-reset-height: 28px;
    --trade-position-padding: 8px;
    --trade-position-head-size: 11px;
    --trade-position-head-margin: 2px;
    --trade-position-row-size: 15px;
    --trade-position-line-height: normal;
  }

  .title { font-size: var(--trade-title-size); }
  .clock { font-size: var(--trade-clock-size); }
  .day-label { font-size: var(--trade-day-size); }

  .meta {
    gap: var(--trade-meta-gap);
    font-size: var(--trade-meta-size);
    line-height: var(--trade-meta-line-height);
  }

  .chart-wrap { min-height: var(--trade-chart-height); }
  #chart { height: var(--trade-chart-height); }

  .stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 2px 8px;
    padding-block: 4px;
  }

  .stat { min-width: 0; }

  .stat:first-child {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
  }

  .stat-label { font-size: var(--trade-stat-label-size); }
  .stat-value { font-size: var(--trade-stat-value-size); }
  .total-pct { font-size: var(--trade-total-pct-size); }
  .reset-btn { min-height: var(--trade-reset-height); }

  .stat-total-row,
  .stat-label-row { flex-wrap: wrap; }

  .stat:first-child .stat-total-row,
  .stat:first-child .stat-label-row { flex-wrap: nowrap; }

  .position { padding-top: var(--trade-position-padding); }

  .position-head {
    margin-bottom: var(--trade-position-head-margin);
    font-size: var(--trade-position-head-size);
  }

  .position-row {
    font-size: var(--trade-position-row-size);
    line-height: var(--trade-position-line-height);
  }

  .overlay-card {
    padding: 22px 18px;
    font-size: 18px;
    transform: none;
  }

  .overlay-card h1 { font-size: 34px; }
  .overlay-card .scoreboard { gap: 6px 14px; }
}

@media (max-width: 360px) {
  #game {
    --trade-title-size: 20px;
    --trade-clock-size: 13px;
    --trade-day-size: 13px;
    --trade-meta-size: 12px;
    --trade-meta-gap: 2px;
    --trade-meta-line-height: 1.2;
  }

  .title {
    letter-spacing: 1px;
    white-space: nowrap;
  }

  .clock {
    margin-right: 4px;
    white-space: nowrap;
  }

  .day-label { white-space: nowrap; }
}

@media (max-width: 480px) and (max-height: 640px) {
  #game {
    padding-block: 6px 16px;
    gap: 6px;
  }
}

@media (max-width: 480px) and (max-height: 580px) {
  body > nav { min-height: 52px; }
  body > nav .nav-links { inset-block-start: 52px; }

  #game {
    --trade-position-padding: 6px;
    --trade-position-row-size: 14px;
    --trade-position-line-height: 1.2;
    padding-block: 4px 12px;
    gap: 4px;
  }

  .board { gap: 4px; }

  .stats {
    gap: 1px 8px;
    padding-block: 3px;
  }
}

@media (max-width: 480px) and (max-height: 500px) {
  body > nav { min-height: 48px; }
  body > nav .nav-links { inset-block-start: 48px; }

  #game {
    --trade-title-size: 18px;
    --trade-clock-size: 11px;
    --trade-day-size: 11px;
    --trade-meta-size: 11px;
    --trade-meta-gap: 1px;
    --trade-meta-line-height: 1.15;
    --trade-stat-label-size: 8px;
    --trade-stat-value-size: 12px;
    --trade-total-pct-size: 8px;
    --trade-reset-height: 20px;
    --trade-position-padding: 3px;
    --trade-position-head-size: 8px;
    --trade-position-head-margin: 0;
    --trade-position-row-size: 12px;
    --trade-position-line-height: 1.15;
    padding: 3px 8px 10px;
    gap: 3px;
  }

  .topbar { align-items: center; }

  .title,
  .clock,
  .day-label { white-space: nowrap; }

  .clock { margin-right: 3px; }
  .board { gap: 3px; }

  .stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 2px;
    padding: 2px 3px;
  }

  .stat:first-child {
    grid-column: auto;
    display: block;
  }

  .stat-label { letter-spacing: 0.5px; }

  .stat-label-row,
  .stat-total-row,
  .stat:first-child .stat-label-row,
  .stat:first-child .stat-total-row { gap: 2px; }

  .stat-label-row,
  .stat:first-child .stat-label-row { flex-wrap: nowrap; }

  .stat-total-row,
  .stat:first-child .stat-total-row { flex-wrap: wrap; }

  .reset-btn {
    min-width: 28px;
    padding: 1px 2px;
    font-size: 8px;
    letter-spacing: 0.5px;
  }

  .controls {
    grid-template-columns: minmax(0, 1fr) repeat(3, minmax(42px, 46px));
    gap: 3px;
  }

  .order-sizing {
    grid-column: auto;
    gap: 1px;
  }

  .qty {
    gap: 1px;
    padding: 1px 3px;
  }

  .qty button {
    flex-basis: 26px;
    width: 26px;
    height: 32px;
    font-size: 16px;
  }

  #qtyInput {
    width: 32px;
    min-width: 32px;
    max-width: calc(100% - 66px);
    font-size: min(var(--qty-font-size, 13px), 13px);
  }

  .qty-unit { font-size: 12px; }

  .qty-info {
    justify-content: space-between;
    gap: 2px;
    margin-top: -1px;
    font-size: 8px;
    white-space: nowrap;
  }

  button.big {
    min-width: 0;
    min-height: 36px;
    padding: 4px 2px;
    border-radius: 6px;
    font-size: 12px;
  }
}

@media (max-width: 480px) and (max-height: 420px) {
  body > nav { min-height: 44px; }
  body > nav .nav-links { inset-block-start: 44px; }

  #game {
    --trade-title-size: 17px;
    --trade-clock-size: 10px;
    --trade-day-size: 10px;
    --trade-meta-size: 10px;
    --trade-meta-line-height: 1.1;
    --trade-stat-value-size: 11px;
    --trade-reset-height: 18px;
    --trade-position-padding: 2px;
    --trade-position-head-size: 7px;
    --trade-position-row-size: 11px;
    --trade-position-line-height: 1.1;
    padding: 2px 6px 8px;
    gap: 2px;
  }

  .board { gap: 2px; }

  .stats {
    gap: 1px;
    padding: 1px 2px;
  }

  .controls {
    grid-template-columns: minmax(0, 1fr) repeat(3, 40px);
    gap: 2px;
  }

  .qty button { height: 28px; }
  .qty-info { font-size: 7px; }

  button.big {
    min-height: 32px;
    font-size: 10px;
  }
}

@media (max-height: 600px) {
  .overlay {
    align-items: flex-start;
  }

  .overlay-card {
    margin-block: auto;
    transform: none;
  }
}