/* New Scientist event branding, scraped colours/fonts. Typekit fonts are CORS-protected,
   so these are close Google Fonts fallbacks:
   - heading ff-meta-serif-web-pro (serif, 900) -> Source Serif 4 (900)
   - body ff-enzo-web (humanist sans) -> Work Sans */

:root {
  --ns-orange: #f39600;
  --ns-red: #b50304;
  --ns-ink: #000;
  --ns-bg: #fff;
  --ns-border: #000;
  --ns-font-heading: "Source Serif 4", Georgia, serif;
  --ns-font-body: "Work Sans", Arial, sans-serif;
  --ns-gutter: 16px;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  width: 100%;
  overflow-x: hidden;
}

body {
  background: var(--ns-bg);
  color: var(--ns-ink);
  font-family: var(--ns-font-body);
  font-size: 16px;
  line-height: 1.4;
  -webkit-font-smoothing: antialiased;
}

.ns-page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.ns-header {
  border-bottom: 3px solid var(--ns-ink);
  padding: 12px var(--ns-gutter);
}

.ns-header-inner {
  max-width: 480px;
  margin: 0 auto;
}

.ns-logo {
  width: 160px;
  height: auto;
  display: block;
  --fill-color: var(--ns-ink);
}

.ns-main {
  flex: 1;
  width: 100%;
  padding: var(--ns-gutter);
}

.ns-card {
  max-width: 480px;
  margin: 0 auto;
}

.ns-eyebrow {
  font-family: var(--ns-font-body);
  font-weight: 700;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ns-red);
  margin: 0 0 8px;
}

.ns-title {
  font-family: var(--ns-font-heading);
  font-weight: 900;
  font-size: clamp(1.6rem, 6vw, 2.2rem);
  line-height: 1.1;
  margin: 0 0 20px;
}

/* Form */
.ns-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.ns-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ns-label {
  font-weight: 600;
  font-size: 0.95rem;
}

.ns-input {
  font: inherit;
  font-size: 16px; /* prevents iOS zoom-on-focus */
  padding: 12px;
  border: 2px solid var(--ns-ink);
  border-radius: 4px;
  background: var(--ns-bg);
  color: var(--ns-ink);
  width: 100%;
  min-height: 48px;
}

.ns-input:focus {
  outline: 3px solid var(--ns-orange);
  outline-offset: 1px;
}

.ns-consent {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.85rem;
}

.ns-consent input {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  margin-top: 2px;
}

.ns-legal {
  font-size: 0.78rem;
  color: #333;
  line-height: 1.4;
}

.ns-legal a {
  color: var(--ns-ink);
}

.ns-button {
  font-family: var(--ns-font-body);
  font-weight: 700;
  font-size: 1.05rem;
  min-height: 52px;
  padding: 12px 20px;
  border: 2px solid var(--ns-ink);
  border-radius: 4px;
  cursor: pointer;
}

.ns-button--primary {
  background: var(--ns-orange);
  color: var(--ns-ink);
}

.ns-button--primary:active {
  background: #d68300;
}

/* Saving / error */
.ns-saving,
.ns-error {
  max-width: 480px;
  margin: 40px auto;
  text-align: center;
  font-family: var(--ns-font-heading);
  font-weight: 900;
  font-size: 1.4rem;
}

.ns-error {
  color: var(--ns-red);
  border: 2px solid var(--ns-red);
  border-radius: 4px;
  padding: 24px var(--ns-gutter);
}

.ns-error .ns-retry {
  display: inline-block;
  margin-top: 16px;
  font-family: var(--ns-font-body);
  font-size: 1rem;
}

/* Playing */
.ns-playing {
  max-width: 480px;
  margin: 0 auto;
}

/* Board */
.ns-board {
  max-width: 480px;
  margin: 0 auto;
}

.ns-board-title {
  font-family: var(--ns-font-heading);
  font-weight: 900;
  font-size: clamp(1.4rem, 5vw, 2rem);
  margin: 0 0 16px;
}

.ns-board-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ns-ink);
}

.ns-board-row {
  display: grid;
  grid-template-columns: 2.2em 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 10px 8px;
  border-bottom: 1px solid #ccc;
  font-size: 1rem;
}

.ns-board-row--own {
  background: var(--ns-orange);
  border-bottom-color: var(--ns-ink);
  font-weight: 700;
}

.ns-board-rank {
  font-weight: 700;
  text-align: right;
}

.ns-board-name {
  overflow-wrap: anywhere;
}

.ns-board-time {
  font-variant-numeric: tabular-nums;
  font-weight: 600;
}

/* TV mode (`?screen`): large type, dark theme, no form/embed. */
body.screen {
  background: var(--ns-ink);
  color: var(--ns-bg);
}

body.screen .ns-header {
  border-bottom-color: var(--ns-bg);
}

body.screen .ns-logo {
  --fill-color: var(--ns-bg);
  width: 240px;
}

body.screen .ns-main {
  padding: 32px;
}

body.screen .ns-board,
body.screen .ns-header-inner {
  max-width: none;
}

body.screen .ns-board-title {
  font-size: clamp(2rem, 4vw, 3.5rem);
}

body.screen .ns-board-list {
  border-top-color: var(--ns-bg);
}

body.screen .ns-board-row {
  font-size: clamp(1.3rem, 2.6vw, 2.2rem);
  padding: 16px 8px;
  border-bottom-color: #444;
  grid-template-columns: 2.5em 1fr auto;
}

body.screen .ns-board-row--own {
  color: var(--ns-ink);
}

body.screen .ns-screen-qr-label {
  margin-top: 32px;
  text-align: center;
}

body.screen .ns-screen-qr {
  margin-top: 12px;
  display: flex;
  justify-content: center;
}

/* QRCode.js renders an <img> or <canvas>; either way, a white card keeps it scannable
   against the TV's dark background. */
body.screen .ns-screen-qr > * {
  background: #fff;
  padding: 16px;
  border-radius: 8px;
}