/* ── Variables ── */
:root {
  --rainbow: linear-gradient(135deg, #ff0080, #ff6b00, #ffe000, #00e87a, #00c3ff, #a855f7, #ff0080);
  --rainbow-bg-size: 300% 300%;
  --panel-bg: rgba(18, 6, 45, 0.88);
  --panel-border: rgba(168, 85, 247, 0.35);
  --text: #f0e6ff;
  --text-dim: rgba(220, 200, 255, 0.55);
  --purple: #a855f7;
  --gold: #fbbf24;
}

/* ── Animations ── */
@keyframes rainbow-shift {
  0%   { background-position: 0% 50%; }
  50%  { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes twinkle {
  0%, 100% { opacity: 0.2; }
  50%       { opacity: 0.9; }
}

@keyframes twinkle-slow {
  0%, 100% { opacity: 0.1; }
  50%       { opacity: 0.6; }
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-6px); }
}

@keyframes glow-pulse {
  0%, 100% { box-shadow: 0 0 8px rgba(168,85,247,0.5), 0 0 20px rgba(244,114,182,0.3); }
  50%       { box-shadow: 0 0 16px rgba(168,85,247,0.8), 0 0 40px rgba(244,114,182,0.5), 0 0 60px rgba(34,211,238,0.2); }
}

/* ── Base ── */
*, *::before, *::after { box-sizing: border-box; }

body {
  min-height: 100%;
  font-family: 'Nunito', system-ui, sans-serif;
  color: var(--text);
  background: radial-gradient(ellipse at 25% 15%, #2d0d6b 0%, #0a0018 55%, #14002e 100%);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding: max(16px, env(safe-area-inset-top))
           max(0px,  env(safe-area-inset-right))
           max(24px, env(safe-area-inset-bottom))
           max(0px,  env(safe-area-inset-left));
  overflow-x: hidden;
  -webkit-tap-highlight-color: transparent;
  position: relative;
}

@media (max-width: 520px) {
  body { padding: 0; align-items: stretch; }
}

/* ── Stars ── */
.stars-bg {
  display: block;
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.stars-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(255,255,255,0.95) 1px, transparent 1px),
    radial-gradient(circle, rgba(255,255,255,0.75) 1px, transparent 1px),
    radial-gradient(circle, rgba(255,255,255,0.55) 1px, transparent 1px);
  background-size: 97px 83px, 71px 59px, 113px 107px;
  background-position: 8px 12px, 45px 33px, 22px 67px;
  animation: twinkle 3.5s ease-in-out infinite;
}

.stars-bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle, rgba(200,180,255,0.8) 1px, transparent 1px),
    radial-gradient(circle, rgba(255,200,255,0.6) 1px, transparent 1px),
    radial-gradient(circle, rgba(180,220,255,0.7) 1px, transparent 1px);
  background-size: 61px 79px, 137px 103px, 53px 89px;
  background-position: 30px 55px, 10px 20px, 70px 40px;
  animation: twinkle-slow 5s ease-in-out 1.5s infinite;
}

/* ── Window → Panel ── */
.window {
  position: relative;
  z-index: 1;
  background: var(--panel-bg) !important;
  backdrop-filter: blur(24px) !important;
  -webkit-backdrop-filter: blur(24px) !important;
  border: 1.5px solid var(--panel-border) !important;
  border-radius: 24px !important;
  overflow: hidden;
  margin: 20px 0;
  animation: glow-pulse 4s ease-in-out infinite;
  box-shadow: none !important;
}

@media (max-width: 520px) {
  .window {
    max-width: 100% !important;
    border-radius: 0 !important;
    margin: 0;
    min-height: 100dvh;
    border-left: none !important;
    border-right: none !important;
    border-top: none !important;
  }
}

/* ── Title bar → Rainbow header ── */
.title-bar {
  background: var(--rainbow) !important;
  background-size: var(--rainbow-bg-size) !important;
  animation: rainbow-shift 5s ease infinite !important;
  padding: 18px 20px 16px !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  gap: 10px !important;
  border-bottom: none !important;
}

.title-bar .close,
.title-bar .resize {
  display: none !important;
}

.title-bar .title {
  font-family: 'Fredoka One', cursive !important;
  font-size: 30px !important;
  color: #fff !important;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5), 0 0 30px rgba(255,255,255,0.4);
  letter-spacing: 1px;
  animation: float 3s ease-in-out infinite;
  text-align: center;
  flex: unset !important;
}

.header-sparkle {
  display: inline !important;
  font-size: 22px;
  animation: float 3s ease-in-out 0.5s infinite;
}

/* ── Separator hidden ── */
.separator { display: none !important; }

/* ── Window pane → Panel content ── */
.window-pane {
  padding: 16px !important;
  background: transparent !important;
  border: none !important;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

/* ── Theme toggle ── */
#theme-toggle-btn {
  background: rgba(255,255,255,0.2) !important;
  border: 1.5px solid rgba(255,255,255,0.4) !important;
  border-radius: 8px !important;
  color: #fff !important;
  font-size: 14px;
  padding: 3px 7px !important;
  cursor: pointer;
  min-height: unset !important;
  line-height: 1;
}

/* ── Buttons ── */
button {
  font-family: 'Nunito', system-ui, sans-serif !important;
  font-weight: 700;
  cursor: pointer;
  border-radius: 10px;
  font-size: 14px;
  min-height: 38px;
  touch-action: manipulation;
  transition: transform 0.1s, opacity 0.1s, box-shadow 0.2s;
}
button:active { transform: scale(0.95); }
button:disabled { opacity: 0.35; cursor: default; }

.btn {
  background: rgba(255,255,255,0.08) !important;
  color: var(--text) !important;
  border: 1.5px solid rgba(168,85,247,0.4) !important;
  box-shadow: none !important;
}
.btn:hover { background: rgba(255,255,255,0.13) !important; }

.btn-default {
  background: var(--rainbow) !important;
  background-size: var(--rainbow-bg-size) !important;
  animation: rainbow-shift 4s ease infinite;
  color: #fff !important;
  border: none !important;
  font-size: 15px !important;
  font-weight: 800 !important;
  padding: 10px 20px !important;
  box-shadow: 0 0 16px rgba(168,85,247,0.5), 0 4px 12px rgba(0,0,0,0.3) !important;
}
.btn-default:hover { box-shadow: 0 0 28px rgba(168,85,247,0.8), 0 4px 16px rgba(0,0,0,0.3) !important; }

/* ── Inputs ── */
input[type="text"],
input[type="number"] {
  background: rgba(255,255,255,0.07) !important;
  border: 1.5px solid rgba(168,85,247,0.4) !important;
  border-radius: 10px !important;
  color: var(--text) !important;
  font-family: 'Nunito', system-ui, sans-serif !important;
  font-size: 16px !important;
  padding: 9px 12px !important;
  outline: none !important;
  transition: border-color 0.2s, box-shadow 0.2s;
}
input[type="text"]:focus,
input[type="number"]:focus {
  border-color: var(--purple) !important;
  box-shadow: 0 0 0 3px rgba(168,85,247,0.25) !important;
}
input::placeholder { color: var(--text-dim); }

/* ── Setup ── */
.player-row { gap: 8px !important; margin-bottom: 8px !important; }

/* ── Score table ── */
.table-wrap {
  border-radius: 12px;
  border: 1px solid rgba(168,85,247,0.3);
}

table { font-size: 13px; }

th {
  background: var(--rainbow) !important;
  background-size: var(--rainbow-bg-size) !important;
  animation: rainbow-shift 5s ease infinite;
  color: #fff !important;
  padding: 8px 10px;
  font-weight: 800;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
  border: none !important;
}

td {
  padding: 7px 10px !important;
  border: none !important;
  border-top: 1px solid rgba(168,85,247,0.15) !important;
  background: rgba(255,255,255,0.03) !important;
  color: var(--text);
}
td:first-child { font-weight: 700; }
tr:nth-child(even) td { background: rgba(168,85,247,0.07) !important; }

.col-total { font-weight: 800 !important; color: var(--gold) !important; }

.editable-score:hover { background: rgba(168,85,247,0.2) !important; color: var(--purple) !important; }
.editable-score input {
  width: 44px;
  background: transparent !important;
  color: var(--text) !important;
  outline: 2px solid var(--purple) !important;
  border-radius: 4px;
}

/* ── Round label ── */
#round-label {
  font-size: 16px;
  font-weight: 800;
  background: var(--rainbow);
  background-size: var(--rainbow-bg-size);
  animation: rainbow-shift 5s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Card buttons ── */
.card-btn {
  font-size: 18px !important;
  font-weight: 800 !important;
  background: rgba(255,255,255,0.06) !important;
  color: var(--text) !important;
  border: 1.5px solid rgba(168,85,247,0.35) !important;
  border-radius: 10px !important;
  transition: background 0.15s, transform 0.1s, box-shadow 0.15s;
}
.card-btn:active { transform: scale(0.9) !important; }

.card-btn.selected {
  background: var(--rainbow) !important;
  background-size: var(--rainbow-bg-size) !important;
  animation: rainbow-shift 3s ease infinite;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: 0 0 14px rgba(168,85,247,0.7), 0 0 28px rgba(244,114,182,0.4) !important;
}

/* ── Bonus buttons ── */
.bonus-label {
  font-weight: 800 !important;
  letter-spacing: 0.08em !important;
  color: var(--text-dim);
}

.bonus-btn {
  background: rgba(255,255,255,0.06) !important;
  color: var(--text) !important;
  border: 1.5px solid rgba(168,85,247,0.35) !important;
  font-size: 13px;
}

.bonus-btn.active {
  background: var(--rainbow) !important;
  background-size: var(--rainbow-bg-size) !important;
  animation: rainbow-shift 3s ease infinite;
  color: #fff !important;
  border-color: transparent !important;
  box-shadow: 0 0 12px rgba(168,85,247,0.6);
}

/* ── Math formula ── */
.score-math {
  font-weight: 600 !important;
  background: var(--rainbow);
  background-size: var(--rainbow-bg-size);
  animation: rainbow-shift 6s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Scoring name ── */
.scoring-name {
  font-family: 'Fredoka One', cursive !important;
  font-size: 26px !important;
  margin-bottom: 14px !important;
  background: var(--rainbow);
  background-size: var(--rainbow-bg-size);
  animation: rainbow-shift 5s ease infinite;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ── Flip 7 alert ── */
.flip7-alert {
  font-weight: 800 !important;
  font-size: 15px !important;
  padding: 8px 12px !important;
  border-radius: 10px !important;
  border: none !important;
  background: var(--rainbow) !important;
  background-size: var(--rainbow-bg-size) !important;
  animation: rainbow-shift 2s ease infinite;
  color: #fff !important;
  text-shadow: 0 1px 4px rgba(0,0,0,0.4);
  box-shadow: 0 0 20px rgba(168,85,247,0.5);
}

/* ── Section separators ── */
.section-sep {
  border-top: 1px solid rgba(168,85,247,0.25) !important;
  margin: 12px 0 !important;
}

/* ── Score rows ── */
.score-row-label {
  font-weight: 700 !important;
  width: 72px !important;
  color: var(--text-dim) !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.calc-display {
  flex: 1;
  border: 1.5px solid rgba(168,85,247,0.4) !important;
  border-radius: 10px !important;
  font-size: 26px !important;
  font-weight: 800 !important;
  background: rgba(168,85,247,0.08) !important;
  color: var(--text) !important;
}

#manual-override {
  font-size: 26px !important;
  font-weight: 800 !important;
  padding: 8px 12px !important;
}
#manual-override.has-value {
  border-color: var(--gold) !important;
  box-shadow: 0 0 12px rgba(251,191,36,0.4) !important;
}

/* ── Scoring actions ── */
.scoring-actions { display: flex; gap: 8px; }
.scoring-actions .btn-default { flex: 1; }

/* ── Winner ── */
.winner-wrap { padding: 32px 0 !important; }
.winner-trophy {
  font-size: 72px !important;
  display: block;
  animation: float 2s ease-in-out infinite;
  margin-bottom: 12px !important;
}
.winner-heading {
  font-size: 12px !important;
  letter-spacing: 0.1em !important;
  color: var(--text-dim) !important;
  margin-bottom: 6px !important;
}
.winner-name {
  font-family: 'Fredoka One', cursive !important;
  font-size: 36px !important;
  background: var(--rainbow) !important;
  background-size: var(--rainbow-bg-size) !important;
  animation: rainbow-shift 3s ease infinite;
  -webkit-background-clip: text !important;
  -webkit-text-fill-color: transparent !important;
  background-clip: text !important;
  margin-bottom: 6px !important;
}
.winner-score {
  font-size: 18px !important;
  font-weight: 700 !important;
  color: var(--gold) !important;
  margin-bottom: 28px !important;
}