:root {
  --ink: #0f0f14;
  --paper: #f5f0e8;
  --accent1: #ff6b35;
  --accent2: #4ecdc4;
  --accent3: #ffe66d;
  --accent4: #a855f7;
  --stamp: #e63946;
  --gap: 5px;
}

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

body {
  background: var(--ink);
  background-image:
    radial-gradient(ellipse at 15% 60%, rgba(78,205,196,0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 85% 15%, rgba(255,107,53,0.07) 0%, transparent 55%),
    radial-gradient(ellipse at 50% 90%, rgba(168,85,247,0.05) 0%, transparent 50%);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 28px 16px 48px;
  font-family: 'Space Mono', monospace;
  color: var(--paper);
}

.view {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.view[hidden] { display: none; }

/* ── HEADER ── */
header {
  text-align: center;
  margin-bottom: 22px;
  position: relative;
}

.eyebrow {
  font-size: 9px;
  letter-spacing: 0.45em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 4px;
  opacity: 0.8;
}

h1 {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(56px, 11vw, 100px);
  line-height: 0.88;
  letter-spacing: 0.05em;
  color: var(--paper);
  text-shadow: 4px 4px 0 var(--accent1), 9px 9px 0 rgba(255,107,53,0.18);
}

h1 span {
  color: var(--accent3);
  text-shadow: 4px 4px 0 #a07a00, 9px 9px 0 rgba(255,230,109,0.18);
}

.subtitle {
  font-size: 10px;
  letter-spacing: 0.25em;
  color: var(--accent2);
  margin-top: 8px;
  opacity: 0.75;
  text-transform: uppercase;
}

.subtitle strong {
  color: var(--accent3);
  font-weight: 700;
}

/* ── LANDING FORM ── */
.join-form {
  width: 100%;
  max-width: 360px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: #1a1a26;
  border-radius: 4px;
  position: relative;
}

.join-form::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: linear-gradient(135deg, var(--accent1), var(--accent2), var(--accent4), var(--accent3), var(--accent1));
  background-size: 300% 300%;
  border-radius: 5px;
  z-index: -1;
  animation: gradShift 7s linear infinite;
}

.join-label {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent2);
  opacity: 0.85;
}

.join-form input {
  background: var(--ink);
  border: 1px solid rgba(245,240,232,0.18);
  color: var(--paper);
  padding: 14px 14px;
  font-family: 'Space Mono', monospace;
  font-size: 16px;          /* ≥16px keeps iOS from zooming on focus */
  border-radius: 2px;
  outline: none;
  transition: border-color 0.15s ease;
  letter-spacing: normal;
  text-transform: none;
}
.join-form input:focus {
  border-color: var(--accent3);
}
.join-form input#pinInput {
  letter-spacing: 0.5em;     /* widen dots/digits for legibility */
  text-align: center;
  font-size: 22px;
  padding: 12px;
}

.btn-primary {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  padding: 13px 22px;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  background: var(--accent3);
  color: var(--ink);
  box-shadow: 3px 3px 0 #a07a00;
  transition: transform 0.1s, box-shadow 0.1s;
}
.btn-primary:hover  { transform: translate(-2px,-2px); box-shadow: 5px 5px 0 #a07a00; }
.btn-primary:active { transform: translate(1px,1px);   box-shadow: 1px 1px 0 #a07a00; }

.join-hint {
  font-size: 9px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.45);
  margin-top: 4px;
  text-align: center;
}

.error {
  color: #ff8b8b;
  font-size: 11px;
  letter-spacing: 0.05em;
  min-height: 14px;
}

/* ── CARD WRAPPER ── */
.card-wrapper {
  position: relative;
  width: 100%;
  max-width: 780px;
}

.card-wrapper::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: linear-gradient(135deg, var(--accent1), var(--accent2), var(--accent4), var(--accent3), var(--accent1));
  background-size: 300% 300%;
  border-radius: 5px;
  z-index: 0;
  animation: gradShift 7s linear infinite;
}

@keyframes gradShift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

.bingo-card {
  position: relative;
  z-index: 1;
  background: #1a1a26;
  border-radius: 4px;
  padding: 10px;
}

.bingo-card::after {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 4px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='0.03'/%3E%3C/svg%3E");
  pointer-events: none;
  opacity: 0.4;
}

/* ── HEADER ROW (B I N G O) ── */
.header-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--gap);
  margin-bottom: var(--gap);
}

.header-cell {
  background: var(--ink);
  color: var(--accent3);
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(22px, 5.5vw, 36px);
  text-align: center;
  padding: 10px 4px;
  letter-spacing: 0.08em;
  border-radius: 2px;
}

/* ── GRID (5 cols × 6 rows) ── */
.grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: var(--gap);
}

.cell {
  background: #f5f0e8;
  border: none;
  border-radius: 2px;
  display: flex;
  flex-direction: column;
  align-items: stretch;
  justify-content: flex-start;
  text-align: center;
  padding: 12px;
  cursor: pointer;
  position: relative;
  transition: transform 0.12s ease, filter 0.12s ease;
  user-select: none;
  overflow: hidden;
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: normal;
  text-transform: none;       /* override global button rule */
  aspect-ratio: 1 / 1.4;
  min-width: 0;               /* let 1fr grid columns shrink below min-content */
  min-height: 110px;
}

.cell:hover {
  transform: scale(1.03);
  z-index: 3;
  filter: brightness(1.04);
}

.cell:focus-visible {
  outline: 2px solid var(--accent2);
  outline-offset: 2px;
}

.cell-num {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 13px;
  color: rgba(15,15,20,0.22);
  line-height: 1;
  letter-spacing: normal;
  margin: 0 0 8px 0;
  flex-shrink: 0;
}

.cell-text {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  line-height: 1.45;
  color: #1a1a26;
  font-weight: 700;
  letter-spacing: normal;
  text-transform: none;
  position: relative;
  z-index: 1;
  overflow-wrap: break-word;
  word-break: normal;
  hyphens: none;
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 0;
  margin: 0;
  min-width: 0;
}

.cell-name {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  text-transform: none;
  letter-spacing: 0.02em;
  color: var(--accent1);
  margin: 8px 0 0 0;
  word-break: break-word;
  min-height: 14px;
  position: relative;
  z-index: 1;
  flex-shrink: 0;
}

/* marked state — keeps the question visible but dims it, highlights the name */
.cell.marked {
  background: #1e1e2e;
}

.cell.marked .cell-num   { color: rgba(255,230,109,0.30); }
.cell.marked .cell-text  { color: rgba(245,240,232,0.40); }
.cell.marked .cell-name  { color: var(--accent3); }

/* stamp */
.stamp {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  pointer-events: none;
  z-index: 0;
  opacity: 0.18;
}

.cell.marked .stamp { display: flex; }

.stamp svg {
  width: 70%;
  height: 70%;
  animation: stampIn 0.22s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}

@keyframes stampIn {
  from { transform: scale(2.2) rotate(-20deg); opacity: 0; }
  to   { transform: scale(1) rotate(-8deg); opacity: 1; }
}

/* ── TALLY ── */
.tally {
  font-size: 10px;
  color: rgba(245,240,232,0.45);
  letter-spacing: 0.15em;
  margin-top: 14px;
  text-align: center;
  text-transform: uppercase;
}

.tally strong {
  color: var(--accent2);
  font-size: 14px;
}

/* ── CONTROLS ── */
.controls {
  display: flex;
  gap: 10px;
  margin-top: 16px;
  flex-wrap: wrap;
  justify-content: center;
}

button {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 10px 22px;
  border: none;
  cursor: pointer;
  border-radius: 2px;
  transition: transform 0.1s, box-shadow 0.1s;
}

.btn-reset {
  background: var(--accent1);
  color: white;
  box-shadow: 3px 3px 0 #b03a15;
}
.btn-reset:hover  { transform: translate(-2px,-2px); box-shadow: 5px 5px 0 #b03a15; }
.btn-reset:active { transform: translate(1px,1px);   box-shadow: 1px 1px 0 #b03a15; }

.btn-secondary {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(245,240,232,0.25);
  box-shadow: none;
}
.btn-secondary:hover {
  border-color: var(--accent2);
  color: var(--accent2);
}
.btn-quiet {
  opacity: 0.6;
}

/* ── MODAL ── */
.modal {
  position: fixed;
  inset: 0;
  background: rgba(10,10,18,0.78);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  animation: fadeIn 0.18s ease;
}

.modal[hidden] { display: none; }

.modal-card {
  background: #1a1a26;
  border-radius: 4px;
  padding: 22px 20px 18px;
  max-width: 440px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 12px;
  position: relative;
}

.modal-card::before {
  content: '';
  position: absolute;
  inset: -3px;
  background: linear-gradient(135deg, var(--accent1), var(--accent2), var(--accent4), var(--accent3), var(--accent1));
  background-size: 300% 300%;
  border-radius: 5px;
  z-index: -1;
  animation: gradShift 7s linear infinite;
}

.modal-cat {
  font-size: 9px;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--accent2);
  opacity: 0.8;
}

.modal-question {
  font-family: 'Bebas Neue', sans-serif;
  font-size: 24px;
  line-height: 1.1;
  color: var(--paper);
  letter-spacing: 0.02em;
}

.modal-label {
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(245,240,232,0.55);
  margin-top: 4px;
}

#modalInput {
  background: var(--ink);
  border: 1px solid rgba(245,240,232,0.18);
  color: var(--paper);
  padding: 12px 14px;
  font-family: 'Space Mono', monospace;
  font-size: 16px;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.15s ease;
}
#modalInput:focus {
  border-color: var(--accent3);
}

.modal-buttons {
  display: flex;
  gap: 8px;
  margin-top: 4px;
  justify-content: flex-end;
  flex-wrap: wrap;
}

.btn-cancel {
  background: transparent;
  color: var(--paper);
  border: 1px solid rgba(245,240,232,0.25);
}
.btn-cancel:hover { border-color: var(--paper); }

.btn-clear {
  background: transparent;
  color: var(--accent1);
  border: 1px solid var(--accent1);
}
.btn-clear:hover { background: rgba(255,107,53,0.12); }

.btn-submit {
  background: var(--accent3);
  color: var(--ink);
  box-shadow: 3px 3px 0 #a07a00;
}
.btn-submit:hover  { transform: translate(-2px,-2px); box-shadow: 5px 5px 0 #a07a00; }
.btn-submit:active { transform: translate(1px,1px);   box-shadow: 1px 1px 0 #a07a00; }

/* ── LEADERBOARD ── */
.lb-card { max-width: 360px; }

.lb-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  max-height: 50vh;
  overflow-y: auto;
  padding-right: 4px;
}

.lb-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--ink);
  padding: 8px 12px;
  border-radius: 2px;
  font-size: 13px;
  font-family: 'Space Mono', monospace;
}

.lb-list li.me {
  outline: 1px solid var(--accent3);
}

.lb-rank {
  color: var(--accent2);
  font-weight: 700;
  margin-right: 8px;
}

.lb-name {
  color: var(--paper);
  flex: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.lb-score { color: var(--accent3); font-family: 'Bebas Neue', sans-serif; font-size: 17px; letter-spacing: 0.04em; }

.lb-tag {
  font-size: 9px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent4);
  border: 1px solid var(--accent4);
  padding: 1px 6px;
  border-radius: 2px;
  font-weight: 700;
}

.lb-actions {
  display: inline-flex;
  gap: 4px;
  margin-left: 8px;
}

.lb-btn {
  font-family: 'Space Mono', monospace;
  font-size: 14px;
  letter-spacing: normal;
  text-transform: none;
  padding: 4px 8px;
  border: 1px solid rgba(245,240,232,0.25);
  background: transparent;
  color: var(--paper);
  cursor: pointer;
  border-radius: 2px;
  line-height: 1;
  font-weight: 700;
  box-shadow: none;
}
.lb-btn:hover { border-color: var(--accent3); color: var(--accent3); }
.lb-btn-remove:hover { border-color: var(--accent1); color: var(--accent1); }

.lb-admin-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 8px 10px;
  background: rgba(168,85,247,0.08);
  border: 1px solid rgba(168,85,247,0.4);
  border-radius: 2px;
  margin-bottom: 4px;
}
.lb-admin-bar[hidden] { display: none; }

.lb-admin-label {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent4);
  font-weight: 700;
}

.lb-btn-clear-all {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 6px 12px;
  border: 1px solid var(--accent1);
  background: transparent;
  color: var(--accent1);
  cursor: pointer;
  border-radius: 2px;
}
.lb-btn-clear-all:hover { background: rgba(255,107,53,0.12); }

/* ── WIN BANNER ── */
.win-banner {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(10,10,18,0.93);
  z-index: 400;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 14px;
  cursor: pointer;
}

.win-banner.show {
  display: flex;
  animation: fadeIn 0.35s ease forwards;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.win-text {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(72px, 18vw, 140px);
  color: var(--accent3);
  text-shadow: 6px 6px 0 var(--accent1), 14px 14px 0 rgba(255,107,53,0.2);
  animation: wobble 0.55s ease forwards;
  letter-spacing: 0.06em;
}

.win-sub {
  font-size: 11px;
  color: var(--accent2);
  letter-spacing: 0.35em;
  text-transform: uppercase;
  opacity: 0.75;
}

@keyframes wobble {
  0%   { transform: rotate(0deg) scale(0.6); }
  30%  { transform: rotate(-3deg) scale(1.12); }
  55%  { transform: rotate(2deg) scale(0.97); }
  75%  { transform: rotate(-1deg) scale(1.04); }
  100% { transform: rotate(0deg) scale(1); }
}

/* ── MOBILE TUNING ── */
@media (max-width: 600px) {
  body { padding: 16px 8px 32px; }
  .bingo-card { padding: 8px; border-radius: 4px; }
  :root { --gap: 4px; }
  .cell {
    padding: 8px;
    min-height: 104px;
    aspect-ratio: 1 / 1.5;
    border-radius: 2px;
  }
  .cell-num { font-size: 10px; margin: 0 0 6px 0; }
  .cell-text { font-size: 8.5px; line-height: 1.4; padding: 0; }
  .cell-name { font-size: 9px; margin: 6px 0 0 0; }
  .header-cell { font-size: 20px; padding: 6px 2px; letter-spacing: 0.04em; border-radius: 2px; }
  .modal-question { font-size: 20px; }
}

@media (max-width: 400px) {
  .cell { padding: 6px; }
  .cell-num { margin: 0 0 4px 0; }
  .cell-text { font-size: 7.5px; line-height: 1.35; }
  .cell-name { font-size: 8.5px; margin: 4px 0 0 0; }
  .header-cell { font-size: 17px; padding: 5px 1px; }
}