/* Dark Side Craps — synthwave theme */
:root {
  --bg0: #0d0620;
  --bg1: #1a1033;
  --ink: #e9e4ff;
  --muted: #9a8fc7;
  --pink: #ff4ecd;
  --cyan: #2de2e6;
  --purple: #7a4bff;
  --gold: #ffd166;
  --pos: #4ef0a0;
  --neg: #ff5d73;
  --card: rgba(28, 18, 56, 0.72);
  --line: rgba(122, 75, 255, 0.35);
  --glow: 0 0 18px rgba(255, 78, 205, 0.45);
  --radius: 16px;
  font-synthesis: none;
}

* { box-sizing: border-box; }
/* The [hidden] attribute must always win over class-level display rules
   (.modal-backdrop/.whoami set display:flex, which would otherwise override
   the UA [hidden]{display:none} and leave modals permanently visible). */
[hidden] { display: none !important; }
html, body { margin: 0; height: 100%; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: radial-gradient(1200px 700px at 50% -10%, #2a1a5e 0%, var(--bg1) 45%, var(--bg0) 100%);
  min-height: 100%;
  overflow-x: hidden;
  position: relative;
}

/* Background decor */
.grid-bg {
  position: fixed; inset: 55% 0 0 0; z-index: 0; pointer-events: none;
  background-image:
    linear-gradient(rgba(45, 226, 230, 0.25) 1px, transparent 1px),
    linear-gradient(90deg, rgba(45, 226, 230, 0.25) 1px, transparent 1px);
  background-size: 44px 44px;
  transform: perspective(340px) rotateX(62deg);
  transform-origin: top center;
  mask-image: linear-gradient(to bottom, #000, transparent 75%);
}
.sun {
  position: fixed; top: 8%; left: 50%; width: 320px; height: 320px; margin-left: -160px;
  z-index: 0; pointer-events: none; border-radius: 50%;
  background: linear-gradient(#ffd166, #ff4ecd 55%, #7a4bff);
  filter: blur(2px); opacity: 0.35;
  mask-image: repeating-linear-gradient(to bottom, #000 0 12px, transparent 12px 20px);
}

/* Layout */
.topbar {
  position: relative; z-index: 3;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 22px; border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 800; letter-spacing: 2px; }
.brand-mark { color: var(--cyan); font-size: 22px; text-shadow: var(--glow); }
.brand-name { font-size: 18px; }
.accent { color: var(--pink); }
.whoami { display: flex; align-items: center; gap: 10px; font-size: 13px; color: var(--muted); }
.whoami .dot { width: 8px; height: 8px; border-radius: 50%; background: var(--pos); box-shadow: 0 0 8px var(--pos); }

.stage {
  position: relative; z-index: 2;
  max-width: 720px; margin: 0 auto; padding: 28px 18px 60px;
  display: flex; flex-direction: column; align-items: stretch; gap: 18px;
}

.card {
  background: var(--card); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; box-shadow: 0 12px 40px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.05);
}
.panel { animation: rise 0.35s ease; }
@keyframes rise { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

.title { margin: 0 0 8px; font-size: 26px; letter-spacing: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--pink)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { color: var(--muted); line-height: 1.55; margin: 0 0 18px; }
.lede.small { font-size: 13px; }
.fineprint { color: var(--muted); font-size: 12px; margin-top: 14px; }
.fineprint a, a { color: var(--cyan); }

/* Fields */
.field { margin: 14px 0; }
.field label { display: block; font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); margin-bottom: 8px; }
input[type=email] {
  width: 100%; padding: 13px 14px; border-radius: 12px; font-size: 16px;
  background: rgba(13,6,32,0.7); border: 1px solid var(--line); color: var(--ink);
}
input[type=email]:focus { outline: none; border-color: var(--pink); box-shadow: var(--glow); }

.segmented { display: flex; gap: 10px; }
.seg {
  flex: 1; padding: 14px; border-radius: 12px; cursor: pointer; font-size: 16px; font-weight: 700;
  background: rgba(13,6,32,0.6); border: 1px solid var(--line); color: var(--ink); transition: 0.15s;
}
.seg small { display: block; font-weight: 400; color: var(--muted); font-size: 11px; margin-top: 3px; }
.seg.active { border-color: var(--pink); box-shadow: var(--glow); background: rgba(255,78,205,0.12); }

/* Buttons */
.btn {
  border: 1px solid var(--line); background: rgba(122,75,255,0.14); color: var(--ink);
  padding: 12px 18px; border-radius: 12px; font-size: 15px; font-weight: 700; cursor: pointer; transition: 0.15s;
}
.btn:hover { transform: translateY(-1px); border-color: var(--purple); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }
.btn.primary { background: linear-gradient(90deg, var(--pink), var(--purple)); border: none; box-shadow: var(--glow); }
.btn.ghost { background: transparent; }
.btn.big { padding: 15px 22px; font-size: 17px; width: 100%; margin-top: 8px; }
.btn.tiny { padding: 6px 10px; font-size: 12px; }
.btn-row { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 8px; }
.btn-row .btn { flex: 1; min-width: 140px; }

/* Scoreboard */
.scoreboard {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin-bottom: 16px;
}
.score {
  background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 12px 14px;
  display: flex; flex-direction: column; gap: 4px;
}
.score.big-score { grid-column: span 3; align-items: center; text-align: center; padding: 16px; }
.score-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); }
.score-val { font-size: 20px; font-weight: 800; }
.big-score .score-val { font-size: 40px; text-shadow: var(--glow); }
.score-val.pos { color: var(--pos); } .score-val.neg { color: var(--neg); }
.score-delta { font-size: 14px; font-weight: 700; }
.score-delta.pos { color: var(--pos); } .score-delta.neg { color: var(--neg); }
.strikes .pips { display: flex; gap: 6px; }
.pips i { width: 14px; height: 14px; border-radius: 50%; border: 1px solid var(--neg); display: inline-block; }
.pips i.on { background: var(--neg); box-shadow: 0 0 8px var(--neg); }

/* Felt / dice */
.table-felt {
  background: radial-gradient(circle at 50% 30%, rgba(45,226,230,0.10), transparent 60%), rgba(13,6,32,0.55);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; text-align: center; margin-bottom: 16px;
}
.dice { display: flex; gap: 18px; justify-content: center; margin-bottom: 10px; }
.die {
  width: 62px; height: 62px; border-radius: 14px; background: #f4f0ff; position: relative;
  box-shadow: 0 6px 0 #b9a9e6, var(--glow); transition: transform 0.4s;
}
.die.rolling { animation: tumble 0.5s ease; }
@keyframes tumble { 25% { transform: rotate(-18deg) translateY(-8px); } 60% { transform: rotate(14deg); } 100% { transform: none; } }
.die::before { /* pips via radial dots */ content: ""; position: absolute; inset: 0; }
.pip { position: absolute; width: 11px; height: 11px; border-radius: 50%; background: #2a1a5e; }
.roll-sum { font-size: 30px; font-weight: 800; color: var(--gold); letter-spacing: 1px; min-height: 38px; }
.points { margin-top: 10px; }
.points-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); }
.point-chips { display: flex; gap: 8px; justify-content: center; flex-wrap: wrap; margin-top: 8px; }
.chip { padding: 6px 12px; border-radius: 999px; background: rgba(122,75,255,0.2); border: 1px solid var(--purple); font-weight: 700; }
.muted { color: var(--muted); }

/* Advice */
.advice { border-left: 3px solid var(--cyan); padding: 12px 16px; background: rgba(45,226,230,0.06); border-radius: 8px; margin-bottom: 16px; }
.advice-status { font-weight: 600; line-height: 1.4; }
.advice-next { color: var(--gold); font-size: 14px; margin-top: 6px; }

/* Controls */
.checkbox { display: flex; align-items: center; gap: 8px; color: var(--muted); font-size: 14px; margin-bottom: 6px; cursor: pointer; }
.checkbox input { width: 18px; height: 18px; accent-color: var(--pink); }

/* Summary */
.summary-net { text-align: center; font-size: 44px; font-weight: 900; margin: 8px 0 18px; }
.summary-net.pos { color: var(--pos); text-shadow: 0 0 20px rgba(78,240,160,0.5); }
.summary-net.neg { color: var(--neg); text-shadow: 0 0 20px rgba(255,93,115,0.5); }
.summary-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 16px; }
.summary-grid .cell { background: rgba(13,6,32,0.5); border: 1px solid var(--line); border-radius: 10px; padding: 12px; }
.summary-grid .cell b { display: block; font-size: 20px; }
.summary-grid .cell span { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
.saved-note { text-align: center; color: var(--pos); font-size: 13px; margin-bottom: 12px; }

/* History */
.history-agg { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 16px; color: var(--muted); font-size: 13px; }
.history-agg b { color: var(--ink); }
.history-list { display: flex; flex-direction: column; gap: 8px; margin-bottom: 16px; max-height: 46vh; overflow-y: auto; }
.hrow { display: flex; justify-content: space-between; align-items: center; padding: 10px 14px; background: rgba(13,6,32,0.5); border: 1px solid var(--line); border-radius: 10px; }
.hrow .net.pos { color: var(--pos); } .hrow .net.neg { color: var(--neg); }
.hrow small { color: var(--muted); }

/* Modal */
.modal-backdrop { position: fixed; inset: 0; z-index: 20; background: rgba(6,3,16,0.72); backdrop-filter: blur(4px); display: flex; align-items: center; justify-content: center; padding: 18px; }
.modal { max-width: 440px; width: 100%; position: relative; }
.modal-x { position: absolute; top: 14px; right: 14px; background: none; border: none; color: var(--muted); font-size: 18px; cursor: pointer; }
.auth-error { color: var(--neg); font-size: 13px; margin-top: 12px; }

/* Walkthrough */
.walk .walk-step { color: var(--cyan); font-size: 12px; letter-spacing: 2px; text-transform: uppercase; }
.walk-body { color: var(--muted); line-height: 1.55; min-height: 66px; }
.walk-dots { display: flex; gap: 8px; margin: 12px 0; }
.walk-dots i { width: 8px; height: 8px; border-radius: 50%; background: var(--line); }
.walk-dots i.on { background: var(--pink); box-shadow: var(--glow); }

@media (max-width: 520px) {
  .scoreboard { grid-template-columns: repeat(2, 1fr); }
  .score.big-score { grid-column: span 2; }
  .title { font-size: 22px; }
  .big-score .score-val { font-size: 34px; }
}