:root{
  --blue:#0058a3; --blue-d:#003d75; --yellow:#ffdb00; --yellow-d:#f5c400;
  --ink:#10203a; --muted:#6b7a90; --line:#e7ecf2; --bg-card:#ffffff;
  --green:#1ec877; --green-d:#13a861; --red:#ff4d63; --red-d:#e23950;
  --p1:#ff6b9d; --p2:#5b8def; --p3:#ffb648; --p4:#23c4a8;
  --shadow:0 18px 50px rgba(8,20,45,.22);
  --r:24px;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;height:100%}
body{
  color:var(--ink);
  background:
    radial-gradient(1200px 700px at 80% -10%, #2a7fd4 0%, transparent 55%),
    radial-gradient(900px 600px at -10% 110%, #00306b 0%, transparent 50%),
    linear-gradient(160deg,#0a4ea0 0%,#06346e 60%,#04254e 100%);
  background-attachment:fixed;
  overflow-x:hidden;
}
#app{min-height:100dvh;display:flex;flex-direction:column;position:relative}

/* ── Screens ── */
.screen{display:none;min-height:100dvh;animation:fade .35s ease both;padding:max(env(safe-area-inset-top),18px) 18px max(env(safe-area-inset-bottom),18px)}
.screen.active{display:flex;flex-direction:column}
@keyframes fade{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.inner{width:100%;max-width:520px;margin:0 auto;display:flex;flex-direction:column;flex:1;gap:14px;padding-top:6px}
.inner.center{align-items:center;text-align:center;justify-content:center}

/* ── Welcome ── */
.welcome-wrap{width:100%;max-width:520px;margin:auto;display:flex;flex-direction:column;align-items:center;text-align:center;gap:16px;padding:8px 0 14px}
.logo-badge{background:var(--yellow);color:var(--blue);font-family:'Poppins';font-weight:800;font-size:26px;letter-spacing:1px;padding:8px 20px;border-radius:8px;box-shadow:var(--shadow);transform:rotate(-2deg)}
.hero-title{font-family:'Poppins';font-weight:800;font-size:clamp(40px,12vw,58px);line-height:.96;color:#fff;margin:6px 0 0;text-shadow:0 4px 24px rgba(0,0,0,.25)}
.hero-sub{color:#dbe7f7;font-size:17px;line-height:1.5;margin:0;max-width:380px}
.hero-sub b{color:#fff}
.receipt-card{background:#fff;border-radius:var(--r);box-shadow:var(--shadow);width:100%;padding:18px 20px;text-align:left}
.receipt-head{display:flex;justify-content:space-between;font-size:14px;color:var(--muted);font-weight:600;border-bottom:1px dashed var(--line);padding-bottom:10px}
.receipt-total{display:flex;justify-content:space-between;align-items:baseline;margin:12px 0}
.receipt-total span{color:var(--muted);font-weight:600}
.receipt-total b{font-family:'Poppins';font-weight:800;font-size:32px;color:var(--blue)}
.receipt-meta{display:flex;gap:10px}
.receipt-meta div{flex:1;background:#f3f7fc;border-radius:14px;padding:10px;text-align:center}
.receipt-meta b{display:block;font-family:'Poppins';font-size:20px;color:var(--ink)}
.receipt-meta span{font-size:12px;color:var(--muted)}
.how{width:100%;display:flex;flex-direction:column;gap:8px;margin-top:2px}
.how-row{display:flex;align-items:center;gap:10px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);color:#eaf2fd;border-radius:14px;padding:10px 14px;font-size:14px;font-weight:500}
.swipe-pill{font-weight:700;font-size:12px;padding:5px 10px;border-radius:999px;white-space:nowrap}
.swipe-pill.yes{background:var(--green);color:#03361f}
.swipe-pill.no{background:var(--red);color:#3d0a13}
.how-note{color:#bcd0ea;font-size:12.5px;line-height:1.5;margin:2px 0 0;max-width:430px}

/* ── Buttons ── */
.btn-primary{margin-top:6px;width:100%;max-width:520px;border:none;background:var(--yellow);color:var(--blue-d);font-family:'Poppins';font-weight:800;font-size:18px;padding:16px;border-radius:16px;box-shadow:0 12px 30px rgba(255,219,0,.35);cursor:pointer;transition:transform .12s,box-shadow .12s}
.btn-primary:active{transform:scale(.97)}
.btn-ghost{align-self:center;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#fff;font-weight:600;padding:12px 18px;border-radius:14px;cursor:pointer;font-size:15px}
.btn-ghost.danger{color:#ffd7dd;border-color:rgba(255,120,140,.4)}

/* ── Name select ── */
.step-title{font-family:'Poppins';font-weight:800;color:#fff;font-size:30px;margin:6px 0 0;text-align:center}
.step-sub{color:#cfe0f5;text-align:center;margin:0;font-size:15px}
.step-sub.small{font-size:13px;color:#aac3e3}
.people-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:8px 0}
.person{position:relative;background:#fff;border-radius:20px;padding:20px 12px;display:flex;flex-direction:column;align-items:center;gap:10px;cursor:pointer;box-shadow:var(--shadow);border:3px solid transparent;transition:transform .12s}
.person:active{transform:scale(.96)}
.avatar{width:64px;height:64px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-family:'Poppins';font-weight:800;font-size:26px;color:#fff}
.person-name{font-weight:700;font-size:16px}
.person .done-tag{position:absolute;top:10px;right:10px;background:var(--green);color:#fff;font-size:11px;font-weight:700;padding:3px 8px;border-radius:999px}
.person.is-done{opacity:.85;border-color:var(--green)}
.p-Ludovica{background:linear-gradient(135deg,#ff6b9d,#ff8fb3)}
.p-Federico{background:linear-gradient(135deg,#5b8def,#7aa6ff)}
.p-Lorenzo{background:linear-gradient(135deg,#ffb648,#ffca6e)}
.p-Riccardo{background:linear-gradient(135deg,#23c4a8,#3bd9bd)}

/* ── Swipe ── */
.swipe-top{width:100%;max-width:520px;margin:0 auto;display:flex;align-items:center;gap:12px;padding:2px 2px 8px}
.icon-btn{flex:none;width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.12);color:#fff;font-size:16px;cursor:pointer}
.progress-wrap{flex:1;display:flex;flex-direction:column;gap:5px}
.progress-bar{height:8px;background:rgba(255,255,255,.2);border-radius:999px;overflow:hidden}
.progress-fill{height:100%;width:0;background:linear-gradient(90deg,var(--yellow),#ffe85c);border-radius:999px;transition:width .3s}
.progress-label{font-size:12px;color:#dbe7f7;font-weight:600;text-align:right}
.who-chip{flex:none;font-weight:700;color:#fff;font-size:13px;background:rgba(255,255,255,.15);padding:8px 12px;border-radius:999px;max-width:120px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

.deck{position:relative;flex:1;width:100%;max-width:520px;margin:0 auto;min-height:0;perspective:1200px}
.card{position:absolute;inset:0;background:#fff;border-radius:28px;box-shadow:var(--shadow);overflow:hidden;display:flex;flex-direction:column;will-change:transform;touch-action:none;user-select:none}
.card .img-wrap{flex:1;min-height:0;background:#fff;display:flex;align-items:center;justify-content:center;padding:18px;position:relative}
.card img{max-width:100%;max-height:100%;object-fit:contain;pointer-events:none;-webkit-user-drag:none}
.card .ph{font-size:64px}
.card .qty-badge{position:absolute;top:14px;left:14px;background:var(--blue);color:#fff;font-weight:700;font-size:13px;padding:6px 12px;border-radius:999px}
.card .conf-badge{position:absolute;top:14px;right:14px;background:#eef6ff;color:var(--blue);font-weight:700;font-size:11px;padding:5px 10px;border-radius:999px;display:flex;align-items:center;gap:4px}
.card-foot{padding:16px 18px 20px;border-top:1px solid var(--line);background:#fff}
.card-name{font-family:'Poppins';font-weight:800;font-size:21px;line-height:1.05;margin:0}
.card-desc{color:var(--muted);font-size:14px;margin:3px 0 0;text-transform:capitalize}
.card-price-row{display:flex;align-items:center;justify-content:space-between;margin-top:12px}
.price-chip{font-family:'Poppins';font-weight:800;font-size:24px;color:var(--blue);background:#eef6ff;padding:6px 14px;border-radius:14px}
.price-detail{font-size:12.5px;color:var(--muted);text-align:right;line-height:1.35}
.price-detail b{color:var(--green-d)}

.stamp{position:absolute;top:30px;font-family:'Poppins';font-weight:800;font-size:34px;letter-spacing:2px;padding:6px 16px;border-radius:14px;border:4px solid;opacity:0;transform:rotate(-14deg);pointer-events:none}
.stamp.yes{left:22px;color:var(--green);border-color:var(--green)}
.stamp.no{right:22px;color:var(--red);border-color:var(--red);transform:rotate(14deg)}

.running-total{width:100%;max-width:520px;margin:10px auto 0;display:flex;justify-content:space-between;align-items:center;color:#fff;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);border-radius:14px;padding:10px 16px;font-size:14px}
.running-total b{font-family:'Poppins'}
#rt-value{font-size:18px;color:var(--yellow)}

.swipe-actions{width:100%;max-width:520px;margin:14px auto 4px;display:flex;justify-content:center;align-items:center;gap:22px}
.action{border:none;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow);transition:transform .12s}
.action:active{transform:scale(.9)}
.action.no{width:64px;height:64px;background:#fff;color:var(--red);font-size:26px}
.action.yes{width:64px;height:64px;background:#fff;color:var(--p1);font-size:28px}
.action.undo{width:50px;height:50px;background:rgba(255,255,255,.85);color:var(--muted);font-size:20px}

/* ── Review ── */
.provisional{background:#fff;border-radius:20px;box-shadow:var(--shadow);padding:18px;text-align:center}
.provisional .big{font-family:'Poppins';font-weight:800;font-size:34px;color:var(--blue)}
.provisional .lbl{color:var(--muted);font-size:14px}
.provisional .sub{font-size:12.5px;color:var(--muted);margin-top:8px;line-height:1.5}
.review-list{display:flex;flex-direction:column;gap:8px;overflow:auto;flex:1;padding:2px}
.rev-item{display:flex;align-items:center;gap:12px;background:#fff;border-radius:14px;padding:10px 12px}
.rev-item img{width:42px;height:42px;object-fit:contain;border-radius:8px;background:#f3f7fc}
.rev-item .rn{flex:1;font-weight:600;font-size:14px}
.rev-item .rp{font-weight:700;color:var(--blue);font-size:14px}
.rev-item .pick{font-size:18px}
.rev-item.yes{outline:2px solid var(--green)}
.rev-item.no{opacity:.55}
.review-actions{display:flex;gap:10px;padding-top:6px}
.review-actions .btn-primary,.review-actions .btn-ghost{margin:0;flex:1;max-width:none}

/* ── Wait ── */
.big-emoji{font-size:64px;animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1)}50%{transform:scale(1.12)}}
.wait-people{display:flex;gap:14px;justify-content:center;margin:10px 0;flex-wrap:wrap}
.wait-person{display:flex;flex-direction:column;align-items:center;gap:6px}
.wait-person .avatar{width:54px;height:54px;font-size:20px;position:relative}
.wait-person .mark{position:absolute;bottom:-4px;right:-4px;width:22px;height:22px;border-radius:50%;background:#fff;display:flex;align-items:center;justify-content:center;font-size:12px;box-shadow:0 2px 6px rgba(0,0,0,.2)}
.wait-person small{color:#dbe7f7;font-size:12px;font-weight:600}
.wait-person.pending .avatar{filter:grayscale(.6);opacity:.6}

/* ── Results ── */
.results-head{text-align:center;display:flex;flex-direction:column;gap:8px;align-items:center}
.verify-badge{background:var(--green);color:#03361f;font-weight:700;font-size:13px;padding:7px 14px;border-radius:999px}
.verify-badge.bad{background:var(--red);color:#fff}
.totals-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.total-card{background:#fff;border-radius:18px;box-shadow:var(--shadow);padding:16px;display:flex;flex-direction:column;align-items:center;gap:6px;position:relative;overflow:hidden}
.total-card .avatar{width:46px;height:46px;font-size:18px}
.total-card .tn{font-weight:700;font-size:15px}
.total-card .tv{font-family:'Poppins';font-weight:800;font-size:26px;color:var(--blue)}
.total-card .ti{font-size:11.5px;color:var(--muted)}
.section-h{color:#fff;font-family:'Poppins';font-size:18px;margin:14px 0 0;text-align:center}
.breakdown{display:flex;flex-direction:column;gap:8px}
.bd-item{background:#fff;border-radius:14px;overflow:hidden}
.bd-head{display:flex;align-items:center;gap:12px;padding:10px 12px;cursor:pointer}
.bd-head img{width:44px;height:44px;object-fit:contain;background:#f3f7fc;border-radius:8px}
.bd-head .bn{flex:1;min-width:0}
.bd-head .bn b{display:block;font-size:14px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.bd-head .bn small{color:var(--muted);font-size:12px}
.bd-head .bp{font-weight:800;color:var(--blue);font-size:15px}
.bd-head .chev{color:var(--muted);transition:transform .2s}
.bd-item.open .chev{transform:rotate(90deg)}
.bd-body{display:none;padding:0 12px 12px 68px;flex-direction:column;gap:6px}
.bd-item.open .bd-body{display:flex}
.bd-payer{display:flex;align-items:center;gap:8px;font-size:13.5px}
.bd-payer .dot{width:14px;height:14px;border-radius:50%}
.bd-payer .pn{flex:1;font-weight:600}
.bd-payer .pp{font-weight:700;color:var(--ink)}
.bd-item.orphan{outline:2px solid var(--p3)}
.orphan-pill{font-size:10px;font-weight:700;color:#8a5a00;background:#fff1d6;padding:2px 7px;border-radius:999px;margin-left:6px}
.results-foot{display:flex;flex-direction:column;align-items:center;gap:12px;padding:14px 0 8px}
#orphan-note{color:#cfe0f5;font-size:12.5px;text-align:center;line-height:1.5}

#confetti{position:fixed;inset:0;pointer-events:none;z-index:50;display:none}
.toast{position:fixed;left:50%;bottom:24px;transform:translateX(-50%);background:#10203a;color:#fff;padding:12px 18px;border-radius:12px;font-weight:600;font-size:14px;box-shadow:var(--shadow);z-index:60;opacity:0;transition:opacity .25s}
.toast.show{opacity:1}

@media(min-width:560px){ .deck{min-height:420px} }