:root {
  --color-bg: #090712;
  --color-panel: #171127;
  --color-panel-soft: #211738;
  --color-text: #fff9d8;
  --color-muted: #c8c1e8;
  --color-cyan: #42f5d7;
  --color-pink: #ff3cac;
  --color-yellow: #ffe45e;
  --color-green: #4cff72;
  --color-red: #ff6b6b;
  --color-black: #000;
  --space-page: clamp(1rem, 5vw, 4.5rem);
  --shadow-hard: 0.45rem 0.45rem 0 var(--color-black);
  --radius: 0.6rem;
}

* { box-sizing: border-box; }
html { color-scheme: dark; }
body {
  min-height: 100vh;
  margin: 0;
  background:
    linear-gradient(rgba(66, 245, 215, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 60, 172, 0.06) 1px, transparent 1px),
    var(--color-bg);
  background-size: 1.75rem 1.75rem;
  color: var(--color-text);
  font-family: "Trebuchet MS", Arial, sans-serif;
  line-height: 1.55;
}
button, input, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 0.2rem solid var(--color-yellow);
  outline-offset: 0.2rem;
}
.hidden { display: none !important; }
.site-header {
  position: sticky;
  z-index: 10;
  inset-block-start: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.8rem var(--space-page);
  background: rgba(9, 7, 18, 0.94);
  border-block-end: 0.25rem solid var(--color-cyan);
  box-shadow: 0 0.35rem 0 var(--color-black);
}
.brand, .header-actions, .student-session, .admin-toolbar > div {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.brand {
  color: var(--color-text);
  font-weight: 900;
  text-decoration: none;
  text-transform: uppercase;
}
.brand__mark {
  padding: 0.3rem 0.55rem;
  background: var(--color-yellow);
  border: 0.18rem solid var(--color-black);
  box-shadow: 0.25rem 0.25rem 0 var(--color-pink);
  color: var(--color-bg);
}
.status-badge, .vote-state {
  padding: 0.25rem 0.55rem;
  border: 0.12rem solid var(--color-green);
  border-radius: 99rem;
  color: var(--color-green);
  font-size: 0.78rem;
  font-weight: 900;
  text-transform: uppercase;
}
.status-badge--demo { border-color: var(--color-yellow); color: var(--color-yellow); }
.page-shell { width: min(100%, 82rem); margin-inline: auto; padding: 4rem var(--space-page); }
.welcome { max-width: 56rem; margin-block-end: 2.5rem; }
.eyebrow {
  margin: 0 0 0.55rem;
  color: var(--color-cyan);
  font-size: 0.82rem;
  font-weight: 900;
  text-transform: uppercase;
}
h1, h2, h3, p { overflow-wrap: anywhere; }
h1, h2, h3 { margin-block-start: 0; line-height: 1.05; }
h1 {
  margin-block-end: 1.25rem;
  color: var(--color-yellow);
  font-family: Impact, "Arial Black", sans-serif;
  font-size: clamp(3.2rem, 10vw, 7rem);
  text-shadow: 0.3rem 0.3rem 0 var(--color-pink), 0.55rem 0.55rem 0 var(--color-black);
  text-transform: uppercase;
}
h2 { margin-block-end: 0.65rem; font-size: clamp(1.8rem, 5vw, 3rem); }
.welcome__copy { max-width: 47rem; color: var(--color-muted); font-size: clamp(1rem, 2.5vw, 1.25rem); }
.access-card, .progress-card, .finished-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.8fr);
  gap: 2rem;
  padding: clamp(1.25rem, 4vw, 2rem);
  background: var(--color-panel);
  border: 0.25rem solid var(--color-cyan);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}
.access-card p { margin: 0; color: var(--color-muted); }
.access-form { align-self: center; }
.access-form label, .admin-login label { display: block; margin-block-end: 0.35rem; font-weight: 900; }
.access-form__row { display: flex; gap: 0.75rem; }
input, textarea {
  min-width: 0;
  width: 100%;
  padding: 0.75rem 0.9rem;
  background: #0e0b19;
  border: 0.15rem solid var(--color-muted);
  border-radius: 0.35rem;
  color: var(--color-text);
}
textarea { resize: vertical; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.8rem;
  padding: 0.65rem 1rem;
  border: 0.18rem solid var(--color-black);
  box-shadow: 0.25rem 0.25rem 0 var(--color-black);
  color: var(--color-bg);
  cursor: pointer;
  font-weight: 900;
  text-decoration: none;
  text-transform: uppercase;
}
.button:hover { transform: translate(0.1rem, 0.1rem); box-shadow: 0.15rem 0.15rem 0 var(--color-black); }
.button:disabled { cursor: wait; opacity: 0.65; }
.button--primary { background: var(--color-green); }
.button--secondary { background: var(--color-cyan); }
.button--ghost { background: var(--color-panel); border-color: var(--color-pink); color: var(--color-text); box-shadow: none; }
.button--play { width: 100%; background: var(--color-yellow); }
.text-button, .icon-button {
  padding: 0;
  background: none;
  border: 0;
  color: var(--color-cyan);
  cursor: pointer;
  font-weight: 900;
  text-decoration: underline;
}
.icon-button { color: var(--color-text); font-size: 2rem; text-decoration: none; }
.form-message { min-height: 1.5em; margin-block: 0.5rem 0 !important; }
.form-message--error { color: var(--color-red) !important; }
.contest-toolbar, .dialog-header, .admin-toolbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
}
.contest-toolbar { margin-block: 3rem 1.25rem; }
.contest-toolbar h2 { margin: 0; }
.progress-card {
  grid-template-columns: 1fr minmax(12rem, 0.7fr);
  align-items: center;
  padding: 1rem 1.25rem;
  border-width: 0.15rem;
  box-shadow: 0.3rem 0.3rem 0 var(--color-black);
}
.progress-card div { display: grid; }
.progress-card span { color: var(--color-muted); font-size: 0.9rem; }
progress { width: 100%; height: 0.9rem; accent-color: var(--color-green); }
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 18rem), 1fr));
  gap: 1.5rem;
  margin-block-start: 1.75rem;
}
.game-card {
  display: flex;
  min-height: 27rem;
  flex-direction: column;
  padding: 1.35rem;
  background: var(--color-panel);
  border: 0.2rem solid var(--color-pink);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
  transition: opacity 160ms ease, transform 160ms ease;
}
.game-card:nth-child(3n + 2) { border-color: var(--color-cyan); }
.game-card:nth-child(3n) { border-color: var(--color-yellow); }
.game-card--saving { opacity: 0.65; }
.game-card__top { display: flex; justify-content: space-between; gap: 0.5rem; }
.game-number { color: var(--color-cyan); font-weight: 900; }
.vote-state { border-color: var(--color-muted); color: var(--color-muted); }
.vote-state--done { border-color: var(--color-green); color: var(--color-green); }
.game-card h3 { margin-block: 1.25rem 0.55rem; color: var(--color-yellow); font-size: 1.45rem; }
.game-description { flex: 1; margin-block: 0 1.25rem; color: var(--color-muted); }
.rating { padding: 0; margin-block-start: 1.2rem; border: 0; }
.rating legend { margin-block-end: 0.5rem; font-size: 0.9rem; font-weight: 900; }
.rating-options { display: grid; grid-template-columns: repeat(5, 1fr); gap: 0.35rem; }
.rating-option { cursor: pointer; }
.rating-option input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.rating-option span {
  display: grid;
  min-height: 2.5rem;
  place-items: center;
  background: var(--color-panel-soft);
  border: 0.12rem solid #5a506f;
  border-radius: 0.3rem;
  font-weight: 900;
}
.rating-option input:checked + span { background: var(--color-green); border-color: var(--color-black); color: var(--color-bg); }
.rating-option input:focus-visible + span { outline: 0.2rem solid var(--color-yellow); outline-offset: 0.1rem; }
.save-state { min-height: 1.3rem; margin-block: 0.55rem 0; color: var(--color-green); font-size: 0.82rem; }
.finished-card { grid-template-columns: auto 1fr; margin-block-start: 2rem; border-color: var(--color-yellow); }
.finished-card > span { font-size: 2.5rem; }
.finished-card h3, .finished-card p { margin: 0; }
.finished-card p { color: var(--color-muted); }
.admin-dialog {
  width: min(calc(100% - 2rem), 75rem);
  max-height: calc(100vh - 2rem);
  padding: clamp(1.2rem, 4vw, 2rem);
  background: var(--color-panel);
  border: 0.25rem solid var(--color-cyan);
  border-radius: var(--radius);
  box-shadow: 0.65rem 0.65rem 0 var(--color-black);
  color: var(--color-text);
}
.admin-dialog::backdrop { background: rgba(0, 0, 0, 0.78); backdrop-filter: blur(0.2rem); }
.admin-login { display: grid; max-width: 28rem; gap: 0.45rem; margin-block-start: 1.5rem; }
.admin-login .button { margin-block-start: 0.75rem; }
.admin-panel { margin-block-start: 1.5rem; }
.admin-toolbar { align-items: center; margin-block-end: 1rem; }
.admin-toolbar p { color: var(--color-muted); }
.admin-tabs { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.admin-tab {
  padding: 0.55rem 0.8rem;
  background: transparent;
  border: 0.12rem solid #5a506f;
  border-radius: 0.3rem;
  color: var(--color-muted);
  cursor: pointer;
  font-weight: 900;
}
.admin-tab--active {
  background: var(--color-yellow);
  border-color: var(--color-black);
  color: var(--color-bg);
}
.admin-intro { color: var(--color-muted); }
.view-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-block: 1.25rem;
}
.view-heading h3, .view-heading p { margin: 0; }
.view-heading p { color: var(--color-muted); }
.management-form {
  padding: 1.25rem;
  margin-block-end: 1.5rem;
  background: var(--color-panel-soft);
  border: 0.15rem solid var(--color-cyan);
  border-radius: var(--radius);
}
.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.85rem 1rem;
}
.form-grid label { font-weight: 900; }
.form-grid input, .form-grid textarea { display: block; margin-block-start: 0.3rem; }
.form-field--wide { grid-column: 1 / -1; }
.checkbox-field {
  display: flex;
  grid-column: 1 / -1;
  align-items: center;
  gap: 0.55rem;
}
.checkbox-field input { width: auto; margin: 0; accent-color: var(--color-green); }
.inline-field { display: flex; align-items: stretch; gap: 0.55rem; margin-block-start: 0.3rem; }
.inline-field input { margin: 0; }
.form-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-block-start: 1rem; }
.management-status {
  display: inline-flex;
  padding: 0.2rem 0.5rem;
  border: 0.1rem solid var(--color-muted);
  border-radius: 99rem;
  color: var(--color-muted);
  font-size: 0.75rem;
  font-weight: 900;
}
.management-status--active { border-color: var(--color-green); color: var(--color-green); }
.table-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.small-button {
  padding: 0.35rem 0.55rem;
  background: var(--color-cyan);
  border: 0.1rem solid var(--color-black);
  color: var(--color-bg);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 900;
}
.small-button--secondary { background: var(--color-yellow); }
.code-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem;
  margin-block: 1rem;
  background: rgba(76, 255, 114, 0.1);
  border: 0.15rem solid var(--color-green);
}
.code-panel div { display: grid; }
.code-panel span { color: var(--color-muted); font-size: 0.85rem; }
.code-panel strong { color: var(--color-green); font-size: clamp(1.35rem, 4vw, 2rem); letter-spacing: 0.08em; }
.summary-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin-block: 1rem; }
.summary-grid article { display: grid; padding: 1rem; background: var(--color-panel-soft); border-inline-start: 0.25rem solid var(--color-pink); }
.summary-grid strong { color: var(--color-yellow); font-size: 1.6rem; }
.summary-grid span { color: var(--color-muted); font-size: 0.85rem; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 0.8rem; border-block-end: 0.1rem solid #4b405f; text-align: start; }
th { color: var(--color-cyan); }
.toast {
  position: fixed;
  z-index: 30;
  inset-inline: 1rem;
  inset-block-end: 1rem;
  width: fit-content;
  max-width: calc(100% - 2rem);
  margin-inline: auto;
  padding: 0.75rem 1rem;
  background: var(--color-red);
  border: 0.15rem solid var(--color-black);
  box-shadow: 0.3rem 0.3rem 0 var(--color-black);
  color: var(--color-bg);
  font-weight: 900;
  opacity: 0;
  pointer-events: none;
  transform: translateY(1rem);
  transition: 160ms ease;
}
.toast--visible { opacity: 1; transform: translateY(0); }
.setup-page {
  display: grid;
  min-height: 100vh;
  padding: var(--space-page);
  place-items: center;
}
.setup-card {
  width: min(100%, 34rem);
  padding: clamp(1.25rem, 5vw, 2.5rem);
  background: var(--color-panel);
  border: 0.25rem solid var(--color-cyan);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}
.setup-card--wide { width: min(100%, 45rem); }
.setup-title {
  margin-block-end: 1.5rem;
  font-size: clamp(2.5rem, 9vw, 4.5rem);
}
.setup-message {
  padding: 0.75rem 1rem;
  border-inline-start: 0.3rem solid;
  background: var(--color-panel-soft);
}
.setup-message--error { border-color: var(--color-red); }
.setup-message--success { border-color: var(--color-green); }
.check-list {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  margin-block: 1.5rem;
  list-style: none;
}
.check-item {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 1rem;
  background: var(--color-panel-soft);
  border-inline-start: 0.3rem solid;
}
.check-item--ok { border-color: var(--color-green); }
.check-item--error { border-color: var(--color-red); }
.check-item span { color: var(--color-muted); }
.setup-warning {
  margin-block: 1.5rem 0;
  padding: 0.75rem 1rem;
  border: 0.12rem solid var(--color-yellow);
  color: var(--color-yellow);
}

@media (max-width: 44rem) {
  .status-badge { display: none; }
  .page-shell { padding-block-start: 3rem; }
  .access-card, .progress-card { grid-template-columns: 1fr; gap: 1rem; }
  .access-form__row, .contest-toolbar, .admin-toolbar { align-items: stretch; flex-direction: column; }
  .view-heading, .code-panel { align-items: stretch; flex-direction: column; }
  .form-grid { grid-template-columns: 1fr; }
  .form-field--wide, .checkbox-field { grid-column: auto; }
  .student-session { align-self: flex-start; }
  .summary-grid { grid-template-columns: 1fr; }
}
@media (max-width: 28rem) {
  .brand > span:last-child { display: none; }
  .header-actions { margin-inline-start: auto; }
  .button--ghost { font-size: 0.75rem; }
  .access-form__row { flex-direction: column; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: 0.01ms !important; }
}