/* Flunk · pixel campus theme (shared by the online client and the preview).
   Layout: one centred column of stone plaques over the campus scene; the question sits on a chalkboard.
   Single deliberate daytime look, so no dark-mode variant. */
:root {
  --sky: #3966fb; --navy: #1f3a9e; --navy-dk: #142a74; --brick: #b5533c; --brick-dk: #86392a; --brick-lt: #d9765a;
  --stone: #f6f0dc; --stone-dk: #d8cdaa; --paper: #fffbea; --ink: #1d2140; --mut: #5f5a78;
  --grass: #3f9a3a; --grass-dk: #2c6e29; --lamp: #ffd25a; --bad: #d9363e;
  --chalk: #f1f5ea; --board: #23432f; --wood: #8a5a32;
  --display: "Press Start 2P", ui-monospace, "Courier New", monospace;
  --body: "Pixelify Sans", ui-rounded, system-ui, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { min-height: 100%; }
body {
  margin: 0; min-height: 100vh; color: var(--ink); font-family: var(--body); font-size: 18px; line-height: 1.4;
  background: var(--sky) url("campus.webp") center bottom / cover no-repeat fixed; image-rendering: pixelated;
}
/* Dim the campus while a game is running so the board stays readable */
body::before { content: ""; position: fixed; inset: 0; background: rgba(12, 22, 70, 0); transition: background .4s; pointer-events: none; z-index: 0; }
body:has(#game:not([hidden]):not(.hidden))::before { background: rgba(12, 22, 70, .55); }

.wrap {
  position: relative; z-index: 1; max-width: 720px; margin: 0 auto; display: grid; gap: 18px;
  padding-block: 28px 48px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px));
}
.hidden, [hidden] { display: none !important; }

/* Crest */
.crest { text-align: center; display: grid; gap: 10px; justify-items: center; }
.crest .est { font-family: var(--display); font-size: .55rem; letter-spacing: .2em; color: #fff; text-shadow: 2px 2px 0 var(--navy-dk); }
.crest h1 {
  margin: 0; font-family: var(--display); font-weight: 400; font-size: clamp(2.4rem, 11vw, 4rem); color: #fff; letter-spacing: .06em;
  text-shadow: 4px 4px 0 var(--navy-dk), 8px 8px 0 rgba(0, 0, 0, .25);
}
.pennant {
  font-family: var(--display); font-size: .6rem; letter-spacing: .12em; color: var(--lamp); background: var(--navy);
  padding: 9px 22px 9px 16px; border: 3px solid var(--ink);
  clip-path: polygon(0 0, 100% 0, calc(100% - 10px) 50%, 100% 100%, 0 100%);
}

/* Stone plaque panels with stepped pixel corners */
.panel {
  background: var(--stone); border: 4px solid var(--ink); padding: 18px; display: grid; gap: 14px;
  box-shadow: inset -4px -4px 0 var(--stone-dk), inset 4px 4px 0 #fff;
  clip-path: polygon(0 6px, 6px 6px, 6px 0, calc(100% - 6px) 0, calc(100% - 6px) 6px, 100% 6px, 100% calc(100% - 6px), calc(100% - 6px) calc(100% - 6px), calc(100% - 6px) 100%, 6px 100%, 6px calc(100% - 6px), 0 calc(100% - 6px));
}
.lift { filter: drop-shadow(0 6px 0 rgba(0, 0, 0, .35)); }
.label, label { display: block; font-family: var(--display); font-size: .55rem; letter-spacing: .12em; text-transform: uppercase; color: var(--mut); margin-bottom: 8px; }
.note { margin: 0; color: var(--mut); font-size: 1rem; }
.center { text-align: center; }
.row { display: flex; gap: 10px; flex-wrap: wrap; }
.row > * { flex: 1 1 140px; min-width: 0; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 460px) { .grid2 { grid-template-columns: 1fr; } }

/* Fields */
input, select {
  width: 100%; font: inherit; font-size: 1.15rem; color: var(--ink); background: var(--paper);
  border: 4px solid var(--ink); border-radius: 0; padding: 10px 12px; box-shadow: inset 3px 3px 0 var(--stone-dk);
}
input:focus-visible, select:focus-visible, .btn:focus-visible { outline: 4px solid var(--lamp); outline-offset: 2px; }
input:disabled { background: var(--stone-dk); color: var(--mut); }

/* Buttons: brick (primary), banner navy (alt), stone (ghost) */
.btn {
  font-family: var(--display); font-size: .72rem; letter-spacing: .08em; text-transform: uppercase; line-height: 1.4;
  color: #fff7e0; background: var(--brick); border: 4px solid var(--ink); border-radius: 0; padding: 14px 16px; cursor: pointer;
  box-shadow: inset -4px -4px 0 var(--brick-dk), inset 4px 4px 0 var(--brick-lt), 0 4px 0 var(--ink);
  transition: transform .06s, filter .1s;
}
.btn:hover { filter: brightness(1.08); }
.btn:active { transform: translateY(4px); box-shadow: inset -4px -4px 0 var(--brick-dk), inset 4px 4px 0 var(--brick-lt), 0 0 0 var(--ink); }
.btn.alt { background: var(--navy); box-shadow: inset -4px -4px 0 var(--navy-dk), inset 4px 4px 0 #4a6ee0, 0 4px 0 var(--ink); }
.btn.ghost { background: var(--paper); color: var(--ink); box-shadow: inset -4px -4px 0 var(--stone-dk), inset 4px 4px 0 #fff, 0 4px 0 var(--ink); }
.btn:disabled { filter: grayscale(.8) brightness(.9); cursor: default; transform: none; }

/* Room code */
.code { font-family: var(--display); font-size: clamp(1.6rem, 7vw, 2.2rem); letter-spacing: .3em; color: var(--brick); }

/* Student ID cards */
.players { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.pl { background: var(--paper); border: 3px solid var(--ink); display: grid; min-width: 0; }
.pl .id { background: var(--navy); color: #fff; font-family: var(--display); font-size: .45rem; letter-spacing: .15em; padding: 5px 8px; display: flex; justify-content: space-between; gap: 6px; }
.pl .nm { padding: 6px 8px 0; font-size: 1.05rem; font-weight: 600; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pl .st { padding: 0 8px 7px; font-size: .95rem; color: var(--mut); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hp { color: var(--bad); letter-spacing: 1px; }
.pl.safe { border-color: var(--grass-dk); box-shadow: inset 0 0 0 2px var(--grass); } .pl.safe .st { color: var(--grass-dk); }
.pl.lost { border-color: var(--bad); background: #ffe3dc; }
.pl.out { opacity: .55; } .pl.out .st { color: var(--bad); font-family: var(--display); font-size: .5rem; letter-spacing: .12em; padding-top: 4px; }

/* Chalkboard */
.board {
  background: var(--board); color: var(--chalk); border: 10px solid var(--wood); outline: 4px solid var(--ink);
  box-shadow: inset 0 0 0 3px #1a3324, 0 8px 0 rgba(0, 0, 0, .35); padding: 22px 18px 18px; text-align: center; display: grid; gap: 12px;
}
.board .q { font-family: var(--display); font-size: .55rem; letter-spacing: .14em; color: #b9cbb0; }
.premise { margin: 0; font-size: clamp(1.5rem, 5.4vw, 2.1rem); line-height: 1.2; text-wrap: balance; }
.premise b { color: var(--lamp); }
.timer { height: 16px; background: #13271b; border: 3px solid var(--ink); position: relative; }
.timer i { position: absolute; inset: 0 auto 0 0; width: 100%; background: var(--lamp); box-shadow: inset 0 -4px 0 #e0a92c; }
.timer.low i { background: var(--bad); box-shadow: inset 0 -4px 0 #a5232a; }
.secs { font-family: var(--display); font-size: .6rem; color: #b9cbb0; font-variant-numeric: tabular-nums; }

.ev { min-height: 1.4em; text-align: center; font-size: 1.1rem; font-weight: 600; }
.ev.ok { color: var(--grass-dk); } .ev.bad { color: var(--bad); }
.end h2 { margin: 0; font-family: var(--display); font-weight: 400; font-size: clamp(1rem, 4.5vw, 1.4rem); line-height: 1.5; color: var(--navy); }
.shake { animation: sh .3s; }
@keyframes sh { 25% { transform: translateX(-6px); } 75% { transform: translateX(6px); } }
@media (prefers-reduced-motion: reduce) { * { animation: none !important; transition: none !important; } }

/* Rank colours: grey freshman up to gold chancellor */
.r0 { --rk: #7d8199; } .r1 { --rk: #3f8a3a; } .r2 { --rk: #2b7f8c; } .r3 { --rk: #2c55b8; } .r4 { --rk: #5a3fb0; }
.r5 { --rk: #8a2f9a; } .r6 { --rk: #b5433a; } .r7 { --rk: #b8650f; } .r8 { --rk: #c9d1de; } .r9 { --rk: #ffd25a; }
.badge { background: var(--rk, var(--stone-dk)); color: #fff; }
.badge.r8, .badge.r9 { color: var(--ink); }
/* Student card: name, big hearts and a bookmark ribbon in the rank colour */
.pl { position: relative; padding: 10px 34px 9px 12px; gap: 2px; }
.pl .nm { padding: 0; font-size: 1.2rem; }
.pl .you { font-family: var(--display); font-size: .45rem; letter-spacing: .1em; color: var(--mut); vertical-align: middle; margin-left: 4px; }
.pl .lives { font-size: 1.6rem; line-height: 1; letter-spacing: 3px; color: var(--bad); text-shadow: 2px 2px 0 var(--ink); }
.pl .lives .gone { color: var(--stone-dk); text-shadow: none; }
.pl .st { padding: 0; font-size: .95rem; }
.ribbon { position: absolute; top: -3px; right: 10px; width: 16px; height: 42px; background: var(--rk); border: 3px solid var(--ink); border-top: 0;
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% calc(100% - 8px), 0 100%); box-shadow: inset -4px 0 0 rgba(0, 0, 0, .18); }
.badge { display: inline-block; font-family: var(--display); font-size: .55rem; letter-spacing: .1em; padding: 7px 9px; border: 3px solid var(--ink); text-transform: uppercase; white-space: nowrap; }

/* Your record on the home screen */
.record { display: grid; grid-template-columns: auto 1fr; gap: 6px 12px; align-items: center; }
.record .meta { font-size: 1rem; color: var(--mut); min-width: 0; }
.xp { grid-column: 1 / -1; height: 14px; background: var(--paper); border: 3px solid var(--ink); position: relative; }
.xp i { position: absolute; inset: 0 auto 0 0; background: var(--grass); box-shadow: inset 0 -3px 0 var(--grass-dk); }
details.ranks summary { cursor: pointer; font-family: var(--display); font-size: .55rem; letter-spacing: .1em; color: var(--navy); text-transform: uppercase; }
details.ranks ol { list-style: none; margin: 10px 0 0; padding: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 6px; }
details.ranks li { display: flex; align-items: center; gap: 8px; font-size: .95rem; }
.ranked-tag { font-family: var(--display); font-size: .5rem; letter-spacing: .1em; padding: 5px 7px; border: 2px solid var(--ink); background: var(--lamp); color: var(--ink); }
.ranked-tag.off { background: var(--stone-dk); color: var(--mut); }
.pl .id .hp { color: #ff5a66; text-shadow: 1px 1px 0 var(--ink), -1px -1px 0 var(--ink), 1px -1px 0 var(--ink), -1px 1px 0 var(--ink); }

/* Account box */
.account { border-top: 3px dashed var(--stone-dk); padding-top: 12px; display: grid; gap: 8px; }
.account-row { display: grid; gap: 8px; }
.btn.small { font-size: .55rem; padding: 10px 12px; }
.btn.danger { color: var(--bad); }
#gbtn { min-height: 44px; }
.small-print { font-size: .9rem; margin: 0; }
.small-print a, .prose a { color: var(--navy); }

/* On wide screens the account box floats in the top-right corner; on phones and tablets it stays in the menu */
@media (min-width: 1100px) {
  .account {
    position: fixed; z-index: 5; top: max(16px, env(safe-area-inset-top, 0px)); right: max(16px, env(safe-area-inset-right, 0px));
    width: 290px; border-top: 0; padding: 12px 14px; background: var(--stone); border: 4px solid var(--ink);
    box-shadow: inset -4px -4px 0 var(--stone-dk), inset 4px 4px 0 #fff, 0 6px 0 rgba(0, 0, 0, .35);
  }
  .account .note { font-size: .9rem; }
  .account .row > * { flex: 1 1 auto; }
}
.account.inroom { display: none !important; }

/* "About the game" text on the home screen */
.prose { gap: 10px; }
.prose h2 { margin: 0; font-family: var(--display); font-weight: 400; font-size: .75rem; letter-spacing: .08em; line-height: 1.6; color: var(--navy); }
.prose p { margin: 0; max-width: 65ch; }