/* IMS × IBS campus drive: pop-art look, shared by all pages */
:root {
  --ink: #1B1A2E;
  --cream: #FFF4DC;
  --paper: #FFFDF6;
  --yellow: #FFD23F;
  --red: #D7263D;
  --blue: #2457C5;
  --pink: #FF6FB5;
  --green: #2E9E5B;
  --muted: #5A5670;
  --display: 'Bangers', Impact, 'Arial Black', sans-serif;
  --text: 'Rubik', system-ui, -apple-system, 'Segoe UI', Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  font-family: var(--text);
  color: var(--ink);
  background: var(--cream);
  background-image: radial-gradient(rgba(36, 87, 197, 0.13) 3px, transparent 3.5px);
  background-size: 26px 26px;
  min-height: 100vh;
  line-height: 1.45;
}
h1, h2, h3, .display { font-family: var(--display); font-weight: 400; letter-spacing: 1.5px; line-height: 1.05; margin: 0; }
h1 { font-size: 44px; }
h2 { font-size: 34px; }
h3 { font-size: 26px; }
p { margin: 0 0 10px; }
a { color: var(--blue); }
button, input, select, textarea { font: inherit; color: inherit; }

/* top bar */
.topbar {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 12px 24px; background: var(--ink); color: var(--cream);
  border-bottom: 5px solid var(--yellow);
}
.brand { font-family: var(--display); font-size: 28px; letter-spacing: 2px; }
.brand span { color: var(--yellow); }
.topbar .spacer { flex: 1; }
.status-dot { display: inline-block; width: 12px; height: 12px; border-radius: 50%; background: var(--green); margin-right: 6px; border: 2px solid var(--cream); }
.status-dot.off { background: var(--red); }

.wrap { max-width: 1180px; margin: 0 auto; padding: 24px; }
.wrap.narrow { max-width: 760px; }

/* panels */
.panel {
  background: var(--paper);
  border: 4px solid var(--ink);
  box-shadow: 8px 8px 0 var(--ink);
  padding: 22px;
  margin-bottom: 24px;
}
.panel.yellow { background: var(--yellow); }
.panel.pink { background: var(--pink); }
.panel.blue { background: var(--blue); color: var(--cream); }
.panel.blue a { color: var(--yellow); }
.panel.tilt { transform: rotate(-0.6deg); }
.panel h2 + p, .panel h3 + p { margin-top: 6px; }
.kicker {
  display: inline-block; font-family: var(--display); letter-spacing: 2px; font-size: 18px;
  background: var(--yellow); border: 3px solid var(--ink); box-shadow: 4px 4px 0 var(--ink);
  padding: 2px 12px; transform: rotate(-2deg); margin-bottom: 12px; color: var(--ink);
}
.kicker.pink { background: var(--pink); }
.muted { color: var(--muted); }
.panel.blue .muted { color: #D7E2FF; }
.small { font-size: 14px; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.row.between { justify-content: space-between; }
.grid2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 20px; }
.grid3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 20px; }

/* buttons */
.btn {
  font-family: var(--display); letter-spacing: 1.5px; font-size: 20px;
  background: var(--paper); color: var(--ink);
  border: 3px solid var(--ink); box-shadow: 4px 4px 0 var(--ink);
  padding: 6px 16px; cursor: pointer; transition: transform 80ms, box-shadow 80ms;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }
.btn.primary { background: var(--yellow); }
.btn.pink { background: var(--pink); }
.btn.blue { background: var(--blue); color: var(--cream); }
.btn.red { background: var(--red); color: var(--cream); }
.btn.green { background: var(--green); color: var(--cream); }
.btn.big { font-size: 28px; padding: 10px 26px; }
.btn.sm { font-size: 16px; padding: 3px 10px; box-shadow: 3px 3px 0 var(--ink); border-width: 2px; }
.btn.on { background: var(--ink); color: var(--yellow); }

/* forms */
label.field { display: block; margin-bottom: 14px; font-weight: 600; }
label.field span { display: block; margin-bottom: 4px; }
input[type=text], input[type=email], input[type=tel], input[type=password], input[type=number], select, textarea {
  width: 100%; padding: 10px 12px; background: #fff; border: 3px solid var(--ink); border-radius: 0; outline: none;
}
input:focus, select:focus, textarea:focus { box-shadow: 4px 4px 0 var(--pink); }
textarea { min-height: 120px; resize: vertical; line-height: 1.5; }
textarea.answer { min-height: 360px; font-size: 17px; }
.error { background: var(--red); color: var(--cream); padding: 8px 12px; border: 3px solid var(--ink); font-weight: 600; margin: 10px 0; }
.note { background: var(--yellow); border: 3px solid var(--ink); padding: 8px 12px; font-weight: 600; margin: 10px 0; }

/* chips & badges */
.chip {
  display: inline-block; font-family: var(--display); letter-spacing: 1px; font-size: 17px;
  border: 2px solid var(--ink); padding: 1px 10px; background: var(--paper); margin: 2px 4px 2px 0;
}
.badge { display: inline-block; font-size: 13px; font-weight: 700; padding: 1px 8px; border: 2px solid var(--ink); background: var(--paper); }
.badge.ok { background: #BFF0CF; }
.badge.warn { background: var(--yellow); }
.badge.bad { background: #FFC3CC; }
.groupchip { display: inline-block; font-family: var(--display); font-size: 18px; letter-spacing: 1px; border: 2px solid var(--ink); padding: 0 10px; }

/* tabs */
.tabs { display: flex; gap: 8px; flex-wrap: wrap; padding: 14px 24px 0; max-width: 1180px; margin: 0 auto; }
.tab { font-family: var(--display); font-size: 22px; letter-spacing: 1.5px; padding: 6px 16px; border: 3px solid var(--ink); background: var(--paper); cursor: pointer; box-shadow: 3px 3px 0 var(--ink); }
.tab.active { background: var(--yellow); transform: rotate(-1.5deg); }

/* tables */
table.t { width: 100%; border-collapse: collapse; background: var(--paper); }
table.t th, table.t td { border: 2px solid var(--ink); padding: 6px 8px; text-align: left; vertical-align: top; }
table.t th { background: var(--ink); color: var(--cream); font-weight: 600; font-size: 14px; }
table.t tr:nth-child(even) td { background: #FFF8E8; }
table.t td.num, table.t th.num { text-align: right; font-variant-numeric: tabular-nums; }

/* scoring */
.scale { display: inline-flex; border: 2px solid var(--ink); background: #fff; }
.scale button { width: 32px; height: 30px; border: 0; border-right: 2px solid var(--ink); background: #fff; cursor: pointer; font-weight: 700; }
.scale button:last-child { border-right: 0; }
.scale button:hover { background: #FFF1B8; }
.scale button.sel { background: var(--ink); color: var(--yellow); }
.rubric { display: grid; grid-template-columns: minmax(180px, 1fr) auto; gap: 8px 16px; align-items: center; }
.rubric .lbl b { display: block; }
.rubric .lbl small { color: var(--muted); }
.pct { font-family: var(--display); font-size: 22px; letter-spacing: 1px; }
.score-grid { overflow-x: auto; }
.score-grid table.t td { white-space: nowrap; }
.score-grid table.t th small { display: block; font-weight: 400; opacity: 0.8; }

/* case display */
.case-brief p { font-size: 17px; }
.case-tasks { padding-left: 22px; }
.case-tasks li { margin-bottom: 6px; font-size: 17px; }
.timer { font-family: var(--display); font-size: 44px; letter-spacing: 2px; background: var(--ink); color: var(--yellow); padding: 2px 18px; border: 3px solid var(--ink); display: inline-block; min-width: 140px; text-align: center; }
.timer.low { background: var(--red); color: var(--cream); }
.savebar { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; margin-top: 10px; }

/* toasts */
#toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 10px; z-index: 50; }
.toast { background: var(--ink); color: var(--cream); padding: 10px 16px; border: 3px solid var(--yellow); box-shadow: 5px 5px 0 var(--yellow); font-weight: 600; max-width: 360px; animation: pop 280ms ease-out; }
.toast.bad { border-color: var(--red); box-shadow: 5px 5px 0 var(--red); }

@keyframes pop { 0% { opacity: 0; transform: scale(0.6) rotate(-4deg); } 70% { opacity: 1; transform: scale(1.05) rotate(1deg); } 100% { transform: none; } }
@keyframes rise { 0% { opacity: 0; transform: translateY(24px); } 100% { opacity: 1; transform: none; } }
.pop { animation: pop 420ms ease-out both; }
.rise { animation: rise 420ms ease-out both; }

/* ---------- projector screen ---------- */
body.screen { background-color: var(--yellow); background-image: radial-gradient(rgba(215, 38, 61, 0.28) 4px, transparent 4.5px); background-size: 34px 34px; overflow: hidden; }
body.screen.blue { background-color: var(--blue); background-image: radial-gradient(rgba(255, 210, 63, 0.3) 4px, transparent 4.5px); color: var(--cream); }
body.screen.red { background-color: var(--red); background-image: radial-gradient(rgba(27, 26, 46, 0.22) 4px, transparent 4.5px); color: var(--cream); }
body.screen.cream { background-color: var(--cream); background-image: radial-gradient(rgba(36, 87, 197, 0.18) 4px, transparent 4.5px); }
.stage { position: fixed; inset: 0; padding: 4vh 5vw 8vh; display: flex; flex-direction: column; gap: 3vh; }
.stage .s-kicker { align-self: flex-start; font-family: var(--display); font-size: 3vh; letter-spacing: 2px; background: var(--pink); color: var(--ink); border: 4px solid var(--ink); box-shadow: 6px 6px 0 var(--ink); padding: 0.3vh 1.6vh; transform: rotate(-2deg); }
.stage .s-title { font-family: var(--display); font-size: 11vh; line-height: 0.95; letter-spacing: 3px; text-shadow: 6px 6px 0 var(--pink); color: var(--ink); }
body.blue .s-title, body.red .s-title { color: var(--cream); text-shadow: 6px 6px 0 var(--ink); }
.stage .s-sub { font-size: 3.4vh; font-weight: 700; }
.s-bubble { background: var(--paper); color: var(--ink); border: 6px solid var(--ink); border-radius: 5vh; box-shadow: 12px 12px 0 var(--ink); padding: 4vh 4vw; font-size: 6.5vh; font-weight: 800; line-height: 1.15; }
.s-bubble.abstract { font-family: var(--display); font-size: 14vh; text-align: center; letter-spacing: 4px; font-weight: 400; }
.s-url { font-family: var(--display); font-size: 8vh; letter-spacing: 2px; background: var(--paper); color: var(--ink); border: 6px solid var(--ink); box-shadow: 10px 10px 0 var(--ink); padding: 1vh 3vw; align-self: flex-start; }
.s-timer { font-family: var(--display); font-size: 16vh; letter-spacing: 4px; background: var(--ink); color: var(--yellow); border: 6px solid var(--ink); box-shadow: 10px 10px 0 var(--red); padding: 0 3vw; line-height: 1.1; }
.s-timer.low { background: var(--red); color: var(--cream); box-shadow: 10px 10px 0 var(--ink); }
.s-row { display: flex; gap: 3vw; align-items: center; }
.s-groups { display: grid; gap: 2.5vw; flex: 1; min-height: 0; }
.s-group { border: 6px solid var(--ink); box-shadow: 10px 10px 0 var(--ink); padding: 2vh 1.5vw; color: var(--ink); overflow: hidden; }
.s-group h3 { font-size: 6vh; }
.s-group ul { list-style: none; padding: 0; margin: 1vh 0 0; font-size: 2.6vh; font-weight: 700; column-gap: 1vw; }
.s-group li { padding: 0.3vh 0; }
.s-choices { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2.5vw; }
.s-choice { background: var(--paper); color: var(--ink); border: 6px solid var(--ink); box-shadow: 10px 10px 0 var(--ink); padding: 3vh 1.5vw; font-size: 3.6vh; font-weight: 800; }
.s-choice .letter { font-family: var(--display); font-size: 9vh; color: var(--red); display: block; line-height: 1; }
.s-case { background: var(--paper); color: var(--ink); border: 6px solid var(--ink); box-shadow: 10px 10px 0 var(--ink); padding: 2.5vh 2vw; font-size: 2.5vh; overflow: hidden; flex: 1; min-height: 0; }
.s-case ol { margin: 0; padding-left: 1.4em; }
.s-case li { margin-bottom: 0.6vh; }
.burst { position: absolute; display: flex; align-items: center; justify-content: center; text-align: center; font-family: var(--display); letter-spacing: 2px; line-height: 0.95; }
.burst svg { position: absolute; inset: 0; width: 100%; height: 100%; }
.burst span { position: relative; transform: rotate(-8deg); text-shadow: 4px 4px 0 var(--ink); }
.slot { filter: blur(1px); opacity: 0.85; }
.foot { position: fixed; left: 5vw; bottom: 2.5vh; font-family: var(--display); font-size: 2.4vh; letter-spacing: 3px; }

@media (max-width: 640px) {
  .wrap { padding: 14px; }
  h1 { font-size: 34px; }
  .topbar { padding: 10px 14px; }
}