:root {
    --bg: #07070a;
    --card: #121218;
    --card-border: #2a2a35;
    --accent: #00ff9d;
    --accent-dark: #00cc7a;
    --danger: #ff4d6d;
    --gold: #ffd700;
    --text: #f5f5f7;
    --muted: #8a8a9a;
    --panel: #16161e;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    padding: 16px;
  }
  .app {
    max-width: 420px;
    margin: 0 auto;
  }
  header {
    text-align: center;
    margin-bottom: 16px;
  }
  h1 {
    font-size: 1.7rem;
    font-weight: 800;
    background: linear-gradient(90deg, var(--accent), var(--gold));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
  }
  .tagline { color: var(--muted); font-size: 0.85rem; margin-top: 2px; }
  .mode-tabs {
    display: flex;
    background: var(--panel);
    border-radius: 12px;
    padding: 4px;
    margin-bottom: 16px;
  }
  .mode-tabs button {
    flex: 1;
    padding: 10px;
    border: none;
    background: transparent;
    color: var(--muted);
    border-radius: 10px;
    font-weight: 600;
    cursor: pointer;
  }
  .mode-tabs button.active {
    background: var(--accent);
    color: #000;
  }
  /* Boredom Meter */
  .boredom-bar {
    background: #222;
    height: 8px;
    border-radius: 4px;
    margin: 12px 0 8px;
    overflow: hidden;
  }
  .boredom-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--danger), #ff8c00);
    width: 0%;
    transition: width 0.4s ease;
  }
  .boredom-label {
    font-size: 0.75rem;
    color: var(--muted);
    text-align: center;
    margin-bottom: 8px;
  }
  /* Deck */
  .deck {
    position: relative;
    width: 100%;
    height: 460px;
    margin: 10px 0;
  }
  .card {
    position: absolute;
    width: 100%;
    height: 100%;
    background: var(--card);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    box-shadow: 0 16px 40px rgba(0,0,0,0.5);
    padding: 22px;
    display: flex;
    flex-direction: column;
    transition: transform 0.3s cubic-bezier(0.25, 0.8, 0.25, 1), opacity 0.3s;
    user-select: none;
    touch-action: pan-y;
  }
  .card.swipe-left { transform: translateX(-130%) rotate(-18deg); opacity: 0; }
  .card.swipe-right { transform: translateX(130%) rotate(18deg); opacity: 0; }
  .bill-type {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    color: var(--accent);
    font-weight: 700;
  }
  .amount {
    font-size: 2.4rem;
    font-weight: 800;
    color: var(--gold);
    margin: 6px 0 10px;
  }
  .story {
    flex: 1;
    font-size: 0.98rem;
    line-height: 1.45;
    color: #e0e0e8;
    margin: 8px 0;
  }
  .meta {
    font-size: 0.8rem;
    color: var(--muted);
    display: flex;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 8px;
    border-top: 1px solid #2a2a35;
  }
  .controls {
    display: flex;
    justify-content: center;
    gap: 28px;
    margin: 16px 0;
  }
  button.action {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    border: none;
    font-size: 1.8rem;
    cursor: pointer;
    transition: transform 0.12s;
    box-shadow: 0 6px 16px rgba(0,0,0,0.4);
  }
  button.action:active { transform: scale(0.9); }
  .pass { background: #252530; color: var(--danger); }
  .pay { background: var(--accent); color: #000; }
  .status {
    text-align: center;
    min-height: 22px;
    font-weight: 600;
    color: var(--accent);
    font-size: 0.95rem;
  }
  .stats {
    text-align: center;
    font-size: 0.85rem;
    color: var(--muted);
    margin-top: 6px;
  }
  /* Upload Form */
  .form-panel {
    display: none;
    background: var(--panel);
    border-radius: 16px;
    padding: 18px;
    margin-top: 10px;
  }
  .form-panel.show { display: block; }
  .form-panel h2 { font-size: 1.1rem; margin-bottom: 12px; }
  .form-panel label {
    display: block;
    font-size: 0.8rem;
    color: var(--muted);
    margin: 10px 0 4px;
  }
  .form-panel input, .form-panel select, .form-panel textarea {
    width: 100%;
    padding: 10px 12px;
    border-radius: 10px;
    border: 1px solid #333;
    background: #0e0e14;
    color: var(--text);
    font-size: 0.95rem;
  }
  .form-panel textarea { min-height: 70px; resize: vertical; }
  .form-panel button.submit {
    width: 100%;
    margin-top: 14px;
    padding: 12px;
    border-radius: 12px;
    border: none;
    background: var(--accent);
    color: #000;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
  }
  /* Achievements */
  .achievements {
    margin-top: 20px;
    background: var(--panel);
    border-radius: 16px;
    padding: 14px;
  }
  .achievements h3 { font-size: 0.95rem; margin-bottom: 8px; }
  .badge-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
  }
  .badge {
    background: #1e1e28;
    border: 1px solid #333;
    border-radius: 20px;
    padding: 4px 10px;
    font-size: 0.75rem;
    color: var(--muted);
  }
  .badge.unlocked {
    background: rgba(0,255,157,0.15);
    border-color: var(--accent);
    color: var(--accent);
  }
  /* Match Overlay */
  .match-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.88);
    display: none;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    z-index: 100;
    text-align: center;
    padding: 20px;
  }
  .match-overlay.show { display: flex; }
  .match-overlay h2 {
    font-size: 2.6rem;
    color: var(--accent);
    margin-bottom: 8px;
  }
  .match-overlay p { color: #ccc; margin-bottom: 16px; }
  .match-overlay button {
    padding: 12px 28px;
    border-radius: 30px;
    border: none;
    background: var(--accent);
    color: #000;
    font-weight: 700;
    cursor: pointer;
  }
  .disclaimer {
    margin-top: 24px;
    font-size: 0.68rem;
    color: #555;
    text-align: center;
    line-height: 1.4;
  }

/* ===== v2 additions ===== */
html{-webkit-text-size-adjust:100%}
body{padding:16px max(16px,env(safe-area-inset-right)) calc(16px + env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}
.app{max-width:480px}
@media (min-width:900px){.app{max-width:520px}h1{font-size:2.2rem}}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:var(--accent);color:#000;padding:8px;border-radius:8px;z-index:200}
button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible,a:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.mode-tabs button{min-height:44px;font-size:.9rem}
.deck{height:min(460px,62vh);min-height:340px}
.card{touch-action:none;cursor:grab}
.card.dragging{cursor:grabbing}
.card .stamp{position:absolute;top:18px;font-weight:800;font-size:1.3rem;padding:4px 10px;border:3px solid;border-radius:8px;opacity:0;pointer-events:none}
.card .stamp.pay{right:18px;color:var(--accent);transform:rotate(12deg)}
.card .stamp.pass{left:18px;color:var(--danger);transform:rotate(-12deg)}
.user-tag{display:inline-block;font-size:.65rem;margin-left:6px;padding:2px 6px;border-radius:6px;background:#2a2a35;color:var(--gold)}
.empty{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:12px;border:1px dashed var(--card-border);border-radius:20px;color:var(--muted);padding:20px}
.btn-secondary{padding:10px 18px;border-radius:12px;border:1px solid var(--accent);background:transparent;color:var(--accent);font-weight:700;cursor:pointer;min-height:44px}
.help{font-size:.72rem;color:var(--muted);margin-top:4px}
.req{color:var(--danger)}
.notice{border-radius:12px;padding:12px 14px;margin-bottom:14px;font-size:.85rem;line-height:1.45}
.notice.info{background:rgba(0,255,157,.08);border:1px solid rgba(0,255,157,.4)}
.notice.warn{background:rgba(255,77,109,.12);border:2px solid var(--danger);color:#ffd6dd}
.notice.warn strong{color:#fff}
.notice h3{font-size:1rem;margin-bottom:6px;color:#fff}
.form-panel input,.form-panel select,.form-panel textarea{font-size:16px;min-height:44px}
.counter{float:right;font-size:.7rem;color:var(--muted)}
.mybills{margin-top:16px}.mybills li{list-style:none;font-size:.8rem;color:var(--muted);padding:6px 0;border-top:1px solid #222;display:flex;justify-content:space-between;gap:8px}
.mybills button{background:none;border:none;color:var(--danger);cursor:pointer;font-size:.8rem}
.receipt{margin-top:14px;background:#fff;color:#000;padding:14px;border-radius:10px;font-size:.8rem;white-space:pre-wrap;font-family:ui-monospace,Menlo,monospace;position:relative;overflow:hidden}
.receipt::before{content:"SAMPLE — NOT A TAX DOCUMENT";position:absolute;top:40%;left:-10%;width:120%;text-align:center;transform:rotate(-20deg);font-size:1.4rem;font-weight:900;color:rgba(255,0,0,.18);pointer-events:none}
.summary{background:#0e0e14;border-radius:10px;padding:12px;margin-bottom:12px;font-size:.9rem}
.disclaimer{color:#888;font-size:.72rem}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media (max-height:640px){.deck{min-height:300px}}
button.action:disabled{opacity:.35;cursor:not-allowed}

.paid-banner{background:#1f9d55;color:#fff;padding:12px 40px 12px 14px;border-radius:12px;margin:12px auto;max-width:480px;position:relative;font-size:.95rem}
.paid-banner button{position:absolute;right:8px;top:8px;background:none;border:0;color:#fff;font-size:1rem;cursor:pointer}
.real-bill{max-width:480px;margin:14px auto;padding:18px;border-radius:16px;background:#fff;color:#222;box-shadow:0 6px 20px rgba(0,0,0,.15);text-align:center}
.real-bill-tag{margin:0;font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:#e0245e;font-weight:700}
.real-bill h2{margin:6px 0 12px;font-size:1.25rem}
.real-bill-nums{display:flex;justify-content:center;gap:28px;margin-bottom:14px}
.real-bill-nums .big{display:block;font-size:1.4rem;font-weight:800}
.real-bill-nums .lbl{font-size:.8rem;color:#666}
.pay-real{display:block;background:#e0245e;color:#fff;text-decoration:none;font-weight:800;font-size:1.15rem;padding:14px;border-radius:999px}
.pay-real:hover,.pay-real:focus-visible{background:#b81c4c}
.real-bill-note{font-size:.8rem;color:#555;margin:10px 0 0}
/* Bill transparency */
.bill-transparency{margin-top:14px;text-align:left;border-top:1px solid #eee;padding-top:12px}
.bt-status-row{margin:0 0 8px;text-align:center}
.bt-badge{display:inline-block;padding:3px 10px;border-radius:999px;font-size:.75rem;font-weight:700}
.bt-open{background:#fff3cd;color:#7a5b00}.bt-partial{background:#d6ecff;color:#0b4f8a}.bt-paid{background:#d4f5dd;color:#146c2e}
.bt-progress{height:12px;background:#eee;border-radius:999px;overflow:hidden}
.bt-fill{height:100%;background:linear-gradient(90deg,#e0245e,#ff7a59);transition:width .4s}
.bt-progress-text{font-size:.8rem;color:#555;margin:6px 0 10px;text-align:center}
.bt-h{font-size:.95rem;margin:8px 0 6px}
.bt-receipts{list-style:none;padding:0;margin:0}
.bt-receipts li{display:flex;gap:10px;align-items:center;padding:6px 0;border-bottom:1px solid #f2f2f2;font-size:.85rem}
.bt-receipts img{width:56px;height:56px;object-fit:cover;border-radius:6px;border:1px solid #ddd}
.bt-empty{font-size:.82rem;color:#666;margin:0 0 8px}
.bt-how{font-size:.82rem;color:#444;margin-top:8px}.bt-how summary{cursor:pointer;font-weight:700}
.bt-how ol{padding-left:18px;margin:6px 0}