/* Shared look for the host screen and the phone. Same family as the exam room, tuned for a stage. */
:root {
  --ground: #0B1210; --paper: #131A16; --paper-2: #1A2320; --ink: #EEF3EF; --ink-2: #AEB9B2; --ink-3: #75817A;
  --rule: #263029; --accent: #5BC491; --accent-ink: #0B1510; --accent-soft: #163A28;
  --gold: #F2C14E; --silver: #C9D1D6; --bronze: #D0925B;
  --fail: #EE8068; --warn: #DDAA4B;
  --oA: #E21B3C; --oB: #1368CE; --oC: #D89E00; --oD: #26890C; --oE: #864CBF; --oF: #0E8A8A;
  --display: "IBM Plex Sans Condensed", "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --shadow: 0 2px 4px rgba(0,0,0,.35), 0 12px 32px rgba(0,0,0,.35);
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--ground); min-height: 100%; }
body { color: var(--ink); font: 16px/1.5 var(--body); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
button, input, select { font: inherit; color: inherit; }
h1, h2, h3 { font-family: var(--display); line-height: 1.1; margin: 0; letter-spacing: -.005em; text-wrap: balance; }
a { color: var(--accent); }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.eyebrow { font: 600 12px/1 var(--display); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-3); }
.muted { color: var(--ink-2); }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 6px; }
[hidden], .hidden { display: none !important; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; border: 1px solid var(--rule); background: var(--paper-2); color: var(--ink); padding: 12px 20px; border-radius: 10px; cursor: pointer; font: 600 16px/1.2 var(--display); letter-spacing: .02em; text-decoration: none; white-space: nowrap; transition: transform .08s, filter .15s, border-color .15s; }
.btn:hover { border-color: var(--ink-3); filter: brightness(1.08); }
.btn:active { transform: scale(.97); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-2); }
.btn.ghost:hover { color: var(--ink); background: var(--paper-2); }
.btn.danger { color: var(--fail); }
.btn.xl { padding: 18px 32px; font-size: 22px; border-radius: 14px; }
.btn.sm { padding: 8px 12px; font-size: 14px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }

.panel { background: var(--paper); border: 1px solid var(--rule); border-radius: 16px; padding: 20px; box-shadow: var(--shadow); }
.avatar { display: inline-grid; place-items: center; border-radius: 50%; background: var(--paper-2); border: 2px solid var(--rule); font-size: 22px; width: 44px; height: 44px; line-height: 1; }
.avatar[data-c="0"] { border-color: #5BC491; } .avatar[data-c="1"] { border-color: #E3A43A; } .avatar[data-c="2"] { border-color: #3A9EE0; } .avatar[data-c="3"] { border-color: #EE6B5A; }
.avatar[data-c="4"] { border-color: #B07BEA; } .avatar[data-c="5"] { border-color: #3FD0C6; } .avatar[data-c="6"] { border-color: #F07DB0; } .avatar[data-c="7"] { border-color: #B9C934; }

/* option shapes (Kahoot-style, colour + shape so nobody has to read the letter) */
.opt { --oc: var(--oA); display: flex; align-items: center; gap: 14px; background: color-mix(in srgb, var(--oc) 82%, #000); border: 2px solid color-mix(in srgb, var(--oc) 60%, #fff); border-radius: 14px; padding: 16px 18px; color: #fff; text-align: left; font: 500 clamp(15px, 1.6vw, 22px)/1.35 var(--body); position: relative; overflow: hidden; }
.opt[data-k="B"] { --oc: var(--oB); } .opt[data-k="C"] { --oc: var(--oC); } .opt[data-k="D"] { --oc: var(--oD); } .opt[data-k="E"] { --oc: var(--oE); } .opt[data-k="F"] { --oc: var(--oF); }
.opt .shape { flex: none; width: 34px; height: 34px; display: grid; place-items: center; }
.opt .shape svg { width: 30px; height: 30px; fill: #fff; filter: drop-shadow(0 1px 1px rgba(0,0,0,.35)); }
.opt .k { position: absolute; right: 10px; top: 6px; font: 700 12px/1 var(--mono); opacity: .6; }
.opt.dim { opacity: .28; filter: saturate(.3); }
.opt.right { box-shadow: 0 0 0 4px #fff, 0 0 40px 8px color-mix(in srgb, var(--oc) 60%, transparent); }
.opt.right::after { content: "✓"; position: absolute; right: 12px; bottom: 8px; font: 700 28px/1 var(--display); }
.opt.pending { pointer-events: none; }
.opt.pending .txt, .opt.pending .shape, .opt.pending .k { filter: blur(9px); opacity: .55; user-select: none; transition: filter .45s ease, opacity .45s ease; }
.opt .txt, .opt .shape, .opt .k { transition: filter .45s ease, opacity .45s ease; }

.hearts { display: inline-flex; gap: 3px; font-size: 14px; letter-spacing: 1px; }
.hearts i { font-style: normal; } .hearts i.lost { opacity: .22; filter: grayscale(1); }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--paper-2); border: 1px solid var(--rule); color: var(--ink); padding: 12px 18px; border-radius: 12px; box-shadow: var(--shadow); font-size: 15px; z-index: 50; max-width: min(92vw, 520px); }

@keyframes pop { 0% { transform: scale(.4); opacity: 0; } 70% { transform: scale(1.08); opacity: 1; } 100% { transform: scale(1); } }
@keyframes rise { from { transform: translateY(24px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes pulse { 0%, 100% { transform: scale(1); } 50% { transform: scale(1.06); } }
@keyframes shake { 0%, 100% { transform: none; } 20% { transform: translateX(-8px); } 40% { transform: translateX(8px); } 60% { transform: translateX(-5px); } 80% { transform: translateX(5px); } }
.pop { animation: pop .45s cubic-bezier(.2,.9,.3,1.3) both; }
.rise { animation: rise .5s cubic-bezier(.2,.8,.2,1) both; }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; } }