/* The Case of the Five Cups — game styles */
.game { padding-block: 34px 90px; min-height: 70vh; }
.game-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: end; gap: 18px; margin-bottom: 28px; }
.game-title { font-size: clamp(32px, 4.6vw, 52px); margin-top: 10px; }
.progress { list-style: none; display: flex; gap: 6px; padding: 0; margin: 0; flex-wrap: wrap; }
.progress li { font: 600 12px/1 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; padding: 8px 11px; border-radius: 999px; background: var(--paper-2); color: var(--muted); }
.progress li.on { background: var(--ink); color: var(--paper); }
.progress li.done { background: var(--teal-wash); color: var(--teal-ink); }

.panel { background: var(--card); border: 1px solid var(--line); border-radius: 20px; padding: clamp(20px, 4vw, 40px); box-shadow: var(--shadow); }
.brief { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, .8fr); gap: 40px; align-items: center; }
@media (max-width: 860px) { .brief { grid-template-columns: 1fr; } }
.brief p { color: var(--ink-2); font-size: 18px; margin-bottom: 14px; }
.memo { font-family: var(--f-mono); font-size: 14.5px; background: var(--paper); border: 1px dashed var(--line-2); border-radius: 12px; padding: 18px; line-height: 1.6; color: var(--ink); }
.memo b { color: var(--accent-ink); }
.question { margin: 22px 0; padding: 18px 20px; border-left: 5px solid var(--hl); background: var(--hl-wash); border-radius: 0 12px 12px 0; font-weight: 700; font-size: 19px; }
.goals { display: grid; gap: 8px; margin: 0 0 24px; padding-left: 20px; color: var(--ink-2); }

/* bench of cups */
.bench { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 12px; margin-bottom: 22px; }
@media (max-width: 680px) { .bench { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.cupbtn { appearance: none; cursor: pointer; background: var(--card); border: 2px solid var(--line); border-radius: 16px; padding: 18px 8px 12px; display: grid; justify-items: center; gap: 10px; color: var(--ink); position: relative; transition: transform .15s, border-color .15s; }
.cupbtn:hover { transform: translateY(-3px); border-color: var(--line-2); }
.cupbtn[aria-pressed="true"] { border-color: var(--ink); box-shadow: 0 6px 0 -1px var(--ink); }
.cupbtn .lbl { font: 800 20px/1 var(--f-display); }
.cupbtn .nm { font-size: 13px; color: var(--muted); text-align: center; line-height: 1.25; min-height: 2.5em; }
.cupbtn .status { position: absolute; top: 8px; right: 8px; width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; font: 800 13px/1 var(--f-body); }
.cupbtn .status.ok { background: var(--good); color: #fff; }
.cupbtn .status.chem { background: var(--accent); color: #fff; }
.glass { width: 54px; height: 72px; border: 3px solid var(--ink); border-top: 0; border-radius: 0 0 12px 12px; position: relative; overflow: hidden; }
.glass i { position: absolute; inset: auto 0 0 0; height: var(--h, 60%); background: var(--liq, #bfe3ee); }
.glass b { position: absolute; width: 7px; height: 7px; border-radius: 50%; background: #fff; border: 1px solid rgba(0, 0, 0, .15); bottom: 6px; animation: rise 2.2s infinite ease-in; }
.glass b:nth-child(3) { left: 30%; animation-delay: .6s; } .glass b:nth-child(4) { left: 60%; animation-delay: 1.2s; } .glass b:nth-child(2) { left: 45%; }
@keyframes rise { from { transform: translateY(0); opacity: 0; } 20% { opacity: 1; } to { transform: translateY(-46px); opacity: 0; } }
.glass .solid { position: absolute; left: 18%; right: 18%; bottom: 6px; height: 16px; border-radius: 4px; background: var(--sol, #9aa3ab); }

/* evidence card */
.ev { display: grid; gap: 20px; }
.ev-head { display: flex; justify-content: space-between; align-items: start; gap: 14px; flex-wrap: wrap; }
.ev-head h2 { font-size: clamp(24px, 3vw, 32px); }
.ev-head .what { color: var(--ink-2); margin-top: 6px; }
.ba { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
@media (max-width: 640px) { .ba { grid-template-columns: 1fr; } }
.ba section { padding: 0; border: 1px solid var(--line); border-radius: 14px; overflow: hidden; background: var(--paper); }
.ba h3 { font: 600 12px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; padding: 12px 16px; background: var(--paper-2); color: var(--ink-2); }
.ba h3.after { background: var(--teal-wash); color: var(--teal-ink); }
.ba dl { margin: 0; padding: 6px 16px 12px; display: grid; grid-template-columns: auto 1fr; gap: 0 14px; }
.ba dt { font-size: 13.5px; color: var(--muted); padding: 9px 0; border-bottom: 1px solid var(--line); }
.ba dd { margin: 0; padding: 9px 0; border-bottom: 1px solid var(--line); font-weight: 700; font-size: 15.5px; }
.ba dt:nth-last-of-type(1), .ba dd:nth-last-of-type(1) { border-bottom: 0; }
.ba .sub-h { grid-column: 1 / -1; font: 600 12px/1 var(--f-mono); color: var(--accent-ink); padding-top: 12px; letter-spacing: .06em; }

.decide { display: grid; gap: 14px; border-top: 2px dashed var(--line); padding-top: 20px; }
.decide h3 { font-size: 19px; }
.opts { display: grid; gap: 10px; }
.opts.two { grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .opts.two { grid-template-columns: 1fr; } }
.opt { appearance: none; text-align: left; cursor: pointer; background: var(--card); border: 2px solid var(--line-2); border-radius: 12px; padding: 13px 16px; font-size: 16px; color: var(--ink); display: flex; gap: 12px; align-items: flex-start; line-height: 1.4; }
.opt:hover { border-color: var(--ink); }
.opt .box { flex: none; width: 22px; height: 22px; border-radius: 6px; border: 2px solid var(--line-2); margin-top: 1px; display: grid; place-items: center; font-weight: 800; font-size: 13px; }
.opt.radio .box { border-radius: 50%; }
.opt[aria-pressed="true"], .opt[aria-checked="true"] { border-color: var(--ink); background: var(--paper); }
.opt[aria-pressed="true"] .box, .opt[aria-checked="true"] .box { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.opt.right { border-color: var(--good); background: var(--good-wash); }
.opt.right .box { background: var(--good); border-color: var(--good); color: #fff; }
.opt.wrong { border-color: var(--accent); background: var(--accent-wash); }
.opt[disabled] { cursor: default; }
.fb { border-radius: 12px; padding: 14px 16px; font-size: 15.5px; line-height: 1.5; }
.fb.ok { background: var(--good-wash); color: var(--ink); border-left: 5px solid var(--good); }
.fb.no { background: var(--accent-wash); color: var(--ink); border-left: 5px solid var(--accent); }
.fb b { display: block; margin-bottom: 2px; }
.row-actions { display: flex; flex-wrap: wrap; gap: 10px; justify-content: space-between; align-items: center; margin-top: 6px; }
.tracker { font-size: 14.5px; color: var(--muted); }

/* notebook */
.notebook { margin-top: 22px; background: var(--paper-2); border-radius: 16px; padding: 18px 20px; }
.notebook h3 { font: 600 12px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); margin-bottom: 10px; }
.notebook ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; font-size: 15px; color: var(--ink-2); }

/* CER builder */
.cer { display: grid; gap: 26px; }
.cer-part { display: grid; gap: 12px; }
.cer-part .lab { display: flex; align-items: center; gap: 12px; }
.cer-part .lab .letter { width: 40px; height: 40px; border-radius: 12px; display: grid; place-items: center; font: 800 20px/1 var(--f-display); background: var(--ink); color: var(--paper); flex: none; }
.cer-part .lab h3 { font-size: 21px; }
.cer-part .hint { color: var(--muted); font-size: 15px; }
.cupchecks { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 8px; }
@media (max-width: 560px) { .cupchecks { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.cupchecks .opt { justify-content: center; align-items: center; font-weight: 800; }
textarea.write { width: 100%; min-height: 120px; border: 1.5px solid var(--line-2); border-radius: 12px; padding: 14px; background: var(--paper); font-size: 16.5px; line-height: 1.5; resize: vertical; }
textarea.write:focus { outline: none; border-color: var(--teal); box-shadow: 0 0 0 4px var(--teal-wash); }
.starter { font-size: 14.5px; color: var(--ink-2); background: var(--hl-wash); border-radius: 10px; padding: 10px 14px; }

/* done */
.closed { text-align: center; display: grid; justify-items: center; gap: 16px; padding-block: 20px; }
.closed .big-stamp { border: 6px solid var(--accent); color: var(--accent); border-radius: 14px; font: 900 clamp(32px, 6vw, 54px)/1 var(--f-display); font-stretch: 120%; padding: 12px 22px; transform: rotate(-6deg); letter-spacing: .05em; animation: stamp2 .9s cubic-bezier(.2, 1.6, .4, 1) both; }
@keyframes stamp2 { from { transform: rotate(-6deg) scale(2); opacity: 0; } to { transform: rotate(-6deg) scale(1); opacity: 1; } }
.score { font: 800 64px/1 var(--f-display); }
.score small { font-size: 22px; color: var(--muted); }
.rank { font: 700 20px/1.2 var(--f-display); color: var(--teal-ink); }
.report { text-align: left; width: 100%; max-width: 720px; background: var(--paper); border: 1px solid var(--line); border-radius: 14px; padding: 20px 22px; display: grid; gap: 10px; }
.report h3 { font: 600 12px/1 var(--f-mono); letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.report p { color: var(--ink); }
.teacher-cta { margin-top: 36px; display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 18px; align-items: center; background: var(--night); color: var(--night-ink); border-radius: 20px; padding: 26px 28px; }
.teacher-cta p { color: color-mix(in srgb, var(--night-ink) 78%, transparent); margin-top: 6px; }
@media (max-width: 700px) { .teacher-cta { grid-template-columns: 1fr; } }
.key-panel { margin-top: 22px; }
.key-panel summary { cursor: pointer; font-weight: 700; }
.key-panel table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 15px; }
.key-panel th, .key-panel td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
.key-panel th { font: 600 12px/1.2 var(--f-mono); letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }

@media print {
  .site-head, .site-foot, .progress, .row-actions, .teacher-cta, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
  .panel { box-shadow: none; border: 0; padding: 0; }
  .game { padding: 0; }
}