:root {
  --purple: #46178f;
  --purple-dark: #2e1064;
  --red: #e21b3c;
  --blue: #1368ce;
  --yellow: #d89e00;
  --green: #237a0b;
  --ink: #333;
  --ok: #236b12;
  --bad: #bf1635;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  font-family: 'Montserrat', system-ui, sans-serif;
  font-weight: 700;
  color: var(--ink);
  background: #2e1064 url("../assets/fondoQuiz.png") center center / cover fixed no-repeat;
}

button, input, select, textarea { font: inherit; }

/* ---------- views ---------- */
.view { display: none; min-height: 100vh; min-height: 100dvh; }
.view.active { display: block; }
.hsub, .psub { display: none; min-height: 100vh; min-height: 100dvh; flex-direction: column; }
.hsub.active, .psub.active { display: flex; }

.dark-bg { background: transparent; }

.on-dark { color: #fff; }
.muted { color: inherit; opacity: .7; font-weight: 500; }
.err { color: var(--bad); font-weight: 700; min-height: 1.2em; margin-top: .5rem; }

/* ---------- buttons ---------- */
.btn {
  border: 0; border-radius: 6px; cursor: pointer;
  background: #e0e0e0; color: var(--ink);
  font-weight: 800; padding: .55rem 1.1rem;
  border-bottom: 4px solid rgba(0,0,0,.25);
  transition: filter .1s, transform .05s;
}
.btn:hover { filter: brightness(1.06); }
.btn:active { transform: translateY(2px); border-bottom-width: 2px; }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: var(--green); color: #fff; }
.btn.dark { background: var(--ink); color: #fff; }
.btn.danger { background: var(--bad); color: #fff; }
.btn.big { font-size: 1.25rem; padding: .8rem 2rem; }
.btn.sm { padding: .25rem .55rem; font-size: .85rem; }
.btn.full { width: 100%; }
.btn.ghost { background: transparent; border-bottom: 0; color: inherit; }
.btn.ghost-dark { background: rgba(255,255,255,.15); color: #fff; }

/* ---------- home ---------- */
.home-wrap {
  min-height: 100vh; min-height: 100dvh;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 1.5rem; padding: 2rem 1rem;
  background: transparent;
}
.logo { font-size: 3.5rem; font-weight: 900; color: #fff; letter-spacing: -2px; }
.logo span { color: #ffa602; }
.logo.sm { font-size: 2.2rem; }
.home-hero { display: flex; align-items: center; justify-content: center; gap: 2rem; max-width: 100%; }
.home-mascot { width: 220px; max-width: 45vw; flex: none; text-align: center; }
.home-mascot img { display: block; width: 100%; height: auto; filter: drop-shadow(0 8px 16px rgba(0,0,0,.25)); }
.home-mascot figcaption { margin-top: .5rem; color: #fff; font-size: .8rem; font-weight: 500; }
.home-intro { min-width: 0; text-align: center; }
.tagline { color: #fff; font-weight: 600; font-size: clamp(1.1rem, 2vw, 1.4rem); line-height: 1.5; text-align: center; margin-top: .6rem; }
@media (max-width: 600px) {
  .home-hero { flex-direction: column; gap: .8rem; }
  .home-mascot { width: 150px; max-width: 100%; }
}
.home-cards { display: flex; gap: 1.5rem; flex-wrap: wrap; justify-content: center; }
.card {
  background: #fff; border-radius: 8px; padding: 1.5rem;
  box-shadow: 0 4px 16px rgba(0,0,0,.35);
}
.home-cards .card { width: 300px; display: flex; flex-direction: column; gap: .8rem; text-align: center; }
.home-cards input, .join-card input {
  width: 100%; text-align: center; font-size: 1.3rem; font-weight: 800;
  padding: .6rem; border: 2px solid #ccc; border-radius: 6px;
}
.home-cards input:focus, .join-card input:focus { outline: none; border-color: var(--purple); }

/* ---------- generic pages (library/editor) ---------- */
.page { max-width: 760px; margin: 0 auto; padding: 1.5rem 1rem 4rem; }
.page.wide { max-width: 1060px; }
.page-head { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.page-head h1 { flex: 1; font-size: 1.6rem; }
.head-actions { display: flex; gap: .5rem; }
.title-input {
  flex: 1; min-width: 200px; font-size: 1.3rem; font-weight: 800;
  border: 2px solid transparent; border-radius: 6px; padding: .4rem .6rem; background: #fff;
}
.title-input:focus { outline: none; border-color: var(--purple); }

.quiz-list { display: flex; flex-direction: column; gap: .8rem; }
.quiz-item {
  background: #fff; border-radius: 8px; padding: 1rem 1.2rem;
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  box-shadow: 0 2px 8px rgba(0,0,0,.08);
}
.quiz-item .qi-info { flex: 1; min-width: 150px; }
.quiz-item .qi-info small { display: block; opacity: .6; font-weight: 500; }
.empty-note { text-align: center; opacity: .6; font-weight: 500; padding: 3rem 0; }

/* ---------- editor ---------- */
.editor-grid { display: grid; grid-template-columns: 220px 1fr; gap: 1rem; }
@media (max-width: 700px) { .editor-grid { grid-template-columns: 1fr; } }
.q-side { display: flex; flex-direction: column; gap: .5rem; }
.q-tab {
  background: #fff; border: 2px solid transparent; border-radius: 6px;
  padding: .6rem .8rem; cursor: pointer; text-align: left;
  font-weight: 700; overflow: hidden; white-space: nowrap; text-overflow: ellipsis;
  box-shadow: 0 1px 4px rgba(0,0,0,.08);
}
.q-tab.sel { border-color: var(--purple); }
.q-tab small { opacity: .5; margin-right: .4rem; }
.q-main { display: flex; flex-direction: column; gap: .9rem; }
.q-main-head { display: flex; justify-content: space-between; align-items: center; }
#ed-qtext {
  width: 100%; border: 2px solid #ddd; border-radius: 6px; padding: .7rem;
  font-size: 1.1rem; font-weight: 700; resize: vertical;
}
#ed-qtext:focus { outline: none; border-color: var(--purple); }
.q-opts { display: flex; gap: 1.5rem; flex-wrap: wrap; font-weight: 600; font-size: .9rem; }
.q-opts select { margin-left: .4rem; padding: .3rem; border-radius: 6px; border: 2px solid #ddd; }
#ed-answers { display: flex; flex-direction: column; gap: .5rem; }
.ans-row { display: flex; align-items: center; gap: .5rem; }
.ans-swatch {
  width: 44px; height: 44px; flex: none; border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 1.2rem;
}
.ans-row input[type=text] {
  flex: 1; padding: .6rem; border: 2px solid #ddd; border-radius: 6px; font-weight: 600;
}
.ans-row input[type=text]:focus { outline: none; border-color: var(--purple); }
.ans-row input[type=checkbox] { width: 26px; height: 26px; accent-color: var(--green); cursor: pointer; }
.hint { font-size: .8rem; }

/* ---------- answer colors & shapes ---------- */
.c0 { background: var(--red); }
.c1 { background: var(--blue); }
.c2 { background: var(--yellow); }
.c3 { background: var(--green); }

/* ---------- host: shared ---------- */
.center-box {
  margin: auto; display: flex; flex-direction: column; align-items: center;
  gap: 1rem; text-align: center; padding: 2rem 1rem; max-width: 420px;
}
.spinner {
  width: 44px; height: 44px; border-radius: 50%;
  border: 5px solid rgba(255,255,255,.25); border-top-color: #fff;
  animation: spin .8s linear infinite;
}
.card .spinner { border-color: #ddd; border-top-color: var(--purple); }
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- host: lobby ---------- */
#host-lobby { align-items: center; padding: 1.5rem 1rem; gap: 1rem; }
.pinbar {
  display: flex; align-items: center; gap: 1.5rem; flex-wrap: wrap; justify-content: center;
  padding: 1rem 1.5rem;
}
.pin-join { font-weight: 600; }
.pin-big { font-size: 3.2rem; font-weight: 900; letter-spacing: 6px; }
.qr svg { display: block; }
.chips {
  display: flex; flex-wrap: wrap; gap: .6rem; justify-content: center;
  max-width: 900px; min-height: 3rem;
}
.chip {
  background: rgba(255,255,255,.92); border-radius: 6px; padding: .5rem .9rem;
  font-weight: 800; cursor: pointer; animation: pop .25s;
}
.chip:hover { background: var(--bad); color: #fff; text-decoration: line-through; }
@keyframes pop { from { transform: scale(.5); opacity: 0; } }
.lobby-foot { display: flex; align-items: center; gap: 1rem; margin-top: auto; padding-bottom: 1.5rem; }
.count-pill {
  background: rgba(0,0,0,.35); color: #fff; font-weight: 900; font-size: 1.4rem;
  border-radius: 8px; padding: .5rem 1rem;
}

/* ---------- host: question ---------- */
#host-question { padding: 1rem; gap: 1rem; }
.q-top { text-align: center; }
.q-progress { color: #fff; opacity: .7; font-weight: 600; }
.q-top h2 {
  background: #fff; border-radius: 8px; padding: 1rem 1.5rem; margin-top: .5rem;
  font-size: clamp(1.2rem, 3vw, 2rem); box-shadow: 0 3px 12px rgba(0,0,0,.3);
}
.q-mid { display: flex; align-items: center; justify-content: space-between; flex: 1; padding: 0 4vw; }
.timer-circle {
  width: 90px; height: 90px; border-radius: 50%;
  background: var(--purple-dark); color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 2.2rem; font-weight: 900; box-shadow: 0 3px 12px rgba(0,0,0,.3);
}
.timer-circle.low { background: var(--bad); animation: pulse .5s infinite alternate; }
@keyframes pulse { to { transform: scale(1.08); } }
.answered-pill {
  background: rgba(255,255,255,.92); border-radius: 8px; padding: .6rem 1.2rem;
  text-align: center; font-weight: 900; font-size: 1.6rem;
}
.answered-pill small { display: block; font-size: .75rem; font-weight: 600; opacity: .6; }

.answer-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; padding: 0 .5rem .8rem;
}
.answer-tile {
  border: 0; border-radius: 6px; color: #fff; cursor: default;
  min-height: 84px; padding: .8rem 1rem;
  display: flex; align-items: center; gap: .8rem; text-align: left;
  font-size: clamp(1rem, 2.2vw, 1.4rem); font-weight: 800;
  border-bottom: 6px solid rgba(0,0,0,.25);
}
.answer-tile .shape { font-size: 1.6rem; flex: none; }
.answer-tile.faded { opacity: .25; }
.answer-tile .mark { margin-left: auto; font-size: 1.8rem; }

/* player buttons */
.answer-grid.player { flex: 1; align-content: stretch; padding: .5rem; }
.answer-grid.player .answer-tile { cursor: pointer; min-height: 20vh; flex-direction: column; justify-content: center; text-align: center; }
.answer-grid.player .answer-tile:active { transform: scale(.97); }
.answer-grid.player .answer-tile .shape { font-size: 2.4rem; }
.answer-grid.player .answer-tile .atext { font-size: 1rem; font-weight: 700; }

/* ---------- host: reveal ---------- */
#host-reveal { padding: 1rem; gap: 1rem; }
.histo {
  display: flex; align-items: flex-end; justify-content: center; gap: 1.2rem;
  flex: 1; min-height: 160px; padding: 0 8vw;
}
.histo .bar-wrap { display: flex; flex-direction: column; align-items: center; gap: .3rem; width: 70px; }
.histo .bar-count { color: #fff; font-weight: 900; font-size: 1.3rem; }
.histo .bar { width: 100%; border-radius: 4px 4px 0 0; min-height: 6px; transition: height .6s; }
.histo .bar-shape { color: #fff; font-size: 1.3rem; }
.next-bar { display: flex; justify-content: flex-end; gap: .6rem; padding: 0 .5rem .8rem; }

/* ---------- host: scoreboard ---------- */
#host-board, #host-podium { padding: 1.5rem 1rem; align-items: center; }
.board-title { color: #fff; font-size: 2.2rem; margin-bottom: 1.2rem; text-align: center; }
.board { width: min(600px, 100%); display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.board.small { flex: none; margin-top: 1rem; }
.board-row {
  background: rgba(255,255,255,.94); border-radius: 6px; padding: .7rem 1.1rem;
  display: flex; align-items: center; gap: .8rem; font-size: 1.15rem;
}
.board-row .rank { width: 2rem; opacity: .5; font-weight: 900; }
.board-row .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.board-row .pts { font-weight: 900; }
.board-row.gold { background: #ffd54d; }

/* ---------- host: podium ---------- */
.podium { display: flex; align-items: flex-end; gap: .8rem; margin-top: 1rem; }
.podium .step { display: flex; flex-direction: column; align-items: center; gap: .5rem; width: 130px; }
.podium .step .p-name {
  color: #fff; font-weight: 900; font-size: 1.1rem; text-align: center;
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 100%;
}
.podium .step .p-pts { color: #fff; opacity: .8; font-weight: 600; }
.podium .step .block {
  width: 100%; border-radius: 6px 6px 0 0; background: rgba(255,255,255,.92);
  display: flex; align-items: center; justify-content: center; font-size: 2.4rem; font-weight: 900;
}
.podium .s1 .block { height: 150px; background: #ffd54d; }
.podium .s2 .block { height: 110px; }
.podium .s3 .block { height: 80px; }

/* ---------- player ---------- */
.join-card { width: min(320px, 90vw); display: flex; flex-direction: column; gap: .7rem; }
#play-question { padding: .6rem; gap: .5rem; }
.p-qhead { display: flex; justify-content: space-between; align-items: center; color: #fff; font-weight: 800; padding: .2rem .4rem; }
.p-timer { background: rgba(0,0,0,.35); border-radius: 6px; padding: .2rem .7rem; font-size: 1.2rem; }
.p-qtext { color: #fff; font-weight: 700; text-align: center; padding: 0 .4rem; }
.result-box { display: flex; flex-direction: column; gap: .6rem; align-items: center; }
.result-box h1 { color: #fff; font-size: 2.6rem; }
.pr-points {
  background: rgba(0,0,0,.35); color: #fff; font-weight: 900; font-size: 1.5rem;
  border-radius: 8px; padding: .5rem 1.4rem;
}
.pr-streak { color: #ffd54d; font-weight: 800; min-height: 1.3em; }
#play-result.good { background: var(--ok); }
#play-result.bad { background: var(--bad); }
#pe-medal { font-size: 4rem; }

/* Accessibility: contrast, focus, zoom/reflow and reduced motion. */
.muted { opacity: 1; }
.card .muted, .page .muted { color: #595959; }
.on-dark.muted { color: #eee; }
.c2.answer-tile, .c2.ans-swatch { color: #222; }
.answer-tile.faded { opacity: 1; border: 3px dashed #fff; filter: saturate(.4); }
:focus-visible { outline: 3px solid #111 !important; outline-offset: 3px; box-shadow: 0 0 0 6px #fff; }
.storage-warning { padding: 1rem; background: #fff0bd; color: #332600; border: 2px solid #805c00; }
.storage-warning p { margin-bottom: .7rem; }
.network-status { color: #fff; padding: .5rem 1rem; font-size: .85rem; }
.network-status:empty { display: none; }
.head-actions, .q-main-head, .q-mid, .next-bar { flex-wrap: wrap; }
.ans-row input[type=text], .q-main, .answer-tile { min-width: 0; }
.answer-tile, .tagline { overflow-wrap: anywhere; }
.home-cards .card { max-width: 100%; }
.home-cards { max-width: 100%; }
.podium { width: min(420px, 100%); }
.podium .step { width: 30%; min-width: 0; }
button { min-height: 36px; }
@media (max-width: 400px) {
  .card { padding: 1rem .7rem; }
  .answer-grid { grid-template-columns: 1fr; }
  .q-mid { padding: 0; gap: .5rem; }
  .logo { font-size: 2.8rem; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}
.q-side { min-width: 0; }
#ed-qlist { display: flex; flex-direction: column; gap: .5rem; min-width: 0; }
.q-tab { width: 100%; max-width: 100%; }

.quiz-item .qi-info small, .empty-note, .q-tab small, .answered-pill small, .board-row .rank {
  opacity: 1; color: #595959;
}
input::placeholder, textarea::placeholder { opacity: 1; color: #595959; }
.home-cards input, .join-card input, #ed-qtext, .q-opts select, .ans-row input[type=text] { border-color: #767676; }

.page { background: rgba(255,255,255,.96); border-radius: 12px; }
#view-library, #view-editor, #view-reports { padding: 1rem; }
.question-media { margin: .5rem 0; max-width: 100%; color: inherit; }
.question-media img, .question-media video { display: block; max-width: 100%; max-height: 260px; margin: auto; border-radius: 8px; }
.question-media audio { width: 100%; max-width: 360px; }
.question-media details { background: #fff; color: #333; padding: .5rem; border-radius: 6px; }
.question-media p, .explanation { white-space: pre-wrap; overflow-wrap: anywhere; }
.media-editor { border: 1px solid #aaa; padding: .6rem; border-radius: 6px; }
.media-editor label, .media-editor textarea { display: block; width: 100%; }
.media-editor textarea { min-height: 70px; }
.answer-editor { display: flex; flex-direction: column; gap: .4rem; }
.room-tools { background: #fff; color: #333; margin: .5rem; padding: .7rem; border-radius: 8px; }
.room-tools summary { cursor: pointer; font-weight: 800; }
.room-options { display: flex; flex-wrap: wrap; gap: 1rem; padding: 1rem 0; }
.room-options input[type=number] { width: 5rem; }
.room-tools ul { list-style: none; display: flex; flex-wrap: wrap; gap: .5rem; }
.room-tools li { border: 1px solid #ccc; border-radius: 5px; padding: .5rem; }
.room-tools button { margin: .2rem; }
.room-tools + .hsub, #view-host .hsub { min-height: calc(100dvh - 70px); }
.explanation, .solution { background: #fff; color: #333; padding: .8rem; border-radius: 8px; }
.explanation:empty, .solution:empty { display: none; }
.answer-option { min-width: 0; }
.answer-option .answer-tile { width: 100%; }
.answer-tile[aria-pressed=true] { outline: 4px solid #fff; box-shadow: 0 0 0 7px #222; }
.player-input { padding: 1rem; color: #fff; }
.player-input label { display: block; }
.player-input input { padding: .7rem; width: 100%; max-width: 600px; }
.order-list { list-style: none; display: flex; flex-direction: column; gap: .6rem; color: #333; padding: 1rem; }
.order-list li { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; background: #fff; border-radius: 6px; padding: .6rem; }
.order-list .order-text { flex: 1; min-width: 100px; }
.order-list .question-media { flex-basis: 100%; }
#pq-submit { margin: 1rem; }
.table-scroll { overflow-x: auto; max-width: 100%; }
table { border-collapse: collapse; width: 100%; margin: .8rem 0; }
th, td { text-align: left; padding: .6rem; border-bottom: 1px solid #bbb; overflow-wrap: anywhere; }
.report { margin: 1rem 0; color: #333; }
.report h3 { margin-top: 1rem; }
.report details { margin: .6rem 0; }
#hq-media, #pq-media { padding: 0 1rem; color: #fff; }
#ed-written textarea, #ed-explanation { width: 100%; min-height: 90px; padding: .6rem; }
[hidden] { display: none !important; }
.report { width: 100%; max-width: 900px; min-width: 0; }
.order-text, .room-tools li, .report { overflow-wrap: anywhere; }
h1[tabindex="-1"]:focus-visible, h2[tabindex="-1"]:focus-visible, p[tabindex="-1"]:focus-visible { outline: none !important; box-shadow: none; }