:root{
  --teal:#0f766e;
  --teal-d:#0b5a54;
  --blue:#0369a1;
  --ink:#0f172a;
  --slate:#475569;
  --mut:#64748b;
  --line:#e5e7eb;
  --bg:#eef2f6;
  --green:#16a34a;
  --card:#ffffff;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Helvetica,Arial,sans-serif;
  color:var(--ink);
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(3,105,161,.18), transparent 60%),
    radial-gradient(900px 500px at -10% 10%, rgba(15,118,110,.18), transparent 55%),
    var(--bg);
  line-height:1.5;
  min-height:100vh;
}
.wrap{max-width:760px;margin:0 auto;padding:28px 18px 60px}

/* Header / hero */
.hero{
  background:linear-gradient(135deg,var(--teal),var(--blue));
  color:#fff;border-radius:26px;padding:34px 28px;
  box-shadow:0 18px 40px rgba(15,23,42,.18);
  position:relative;overflow:hidden;
}
.hero:after{
  content:"";position:absolute;right:-40px;top:-40px;
  width:220px;height:220px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.brand{display:flex;align-items:center;gap:12px;font-weight:900;letter-spacing:.02em}
.brand .logo{font-size:34px;line-height:1}
.brand .name{font-size:26px}
.brand .name span{opacity:.85;font-weight:800}
.hero h1{font-size:30px;line-height:1.15;margin:18px 0 8px;font-weight:900}
.hero p{font-size:16px;margin:0;opacity:.95;max-width:52ch}
.pill{
  display:inline-block;margin-top:16px;background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.25);padding:6px 12px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.03em;
}

/* Card */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:22px;
  padding:26px;margin-top:22px;box-shadow:0 10px 30px rgba(15,23,42,.06);
}
.card h2{margin:0 0 4px;font-size:21px;font-weight:900}
.card .sub{color:var(--mut);font-size:14px;margin:0 0 18px}

/* Form */
label.field{display:block;margin:16px 0 6px;font-weight:800;font-size:14px;color:var(--ink)}
input[type=email]{
  width:100%;padding:14px 16px;border:1.5px solid var(--line);border-radius:13px;
  font-size:16px;color:var(--ink);background:#fff;transition:border-color .15s,box-shadow .15s;
}
input[type=email]:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(15,118,110,.12)}

.opts{display:grid;grid-template-columns:1fr 1fr 1fr;gap:10px;margin-top:8px}
.opts.accom{grid-template-columns:1fr 1fr}
@media(max-width:520px){.opts{grid-template-columns:1fr 1fr}}
.opt{position:relative}
.opt input{position:absolute;opacity:0;inset:0;cursor:pointer}
.opt .box{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:4px;text-align:center;padding:14px 8px;border:1.5px solid var(--line);
  border-radius:14px;background:#fff;cursor:pointer;transition:all .15s;font-weight:800;
  font-size:15px;min-height:74px;
}
.opt .box .emo{font-size:22px}
.opt .box .sm{font-size:11px;font-weight:600;color:var(--mut)}
.opt input:checked + .box{
  border-color:var(--teal);background:#ecfdfa;color:var(--teal-d);
  box-shadow:0 0 0 4px rgba(15,118,110,.10);
}
.opt input:focus-visible + .box{box-shadow:0 0 0 4px rgba(15,118,110,.25)}

button.cta{
  width:100%;margin-top:22px;padding:16px;border:0;border-radius:14px;cursor:pointer;
  background:linear-gradient(135deg,var(--teal),var(--blue));color:#fff;
  font-size:17px;font-weight:900;letter-spacing:.01em;
  box-shadow:0 10px 24px rgba(3,105,161,.28);transition:transform .08s,filter .15s;
}
button.cta:hover{filter:brightness(1.05)}
button.cta:active{transform:translateY(1px)}

.fine{color:var(--mut);font-size:12.5px;margin-top:14px;text-align:center}
.fine a{color:var(--teal)}

/* feature row */
.feat{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px;margin-top:22px}
@media(max-width:520px){.feat{grid-template-columns:1fr}}
.feat .f{background:rgba(255,255,255,.7);border:1px solid var(--line);border-radius:16px;padding:16px}
.feat .f .h{font-weight:900;font-size:15px;display:flex;gap:8px;align-items:center}
.feat .f .d{color:var(--slate);font-size:13.5px;margin-top:4px}

/* alerts */
.note{padding:14px 16px;border-radius:13px;font-size:14.5px;font-weight:600;margin-top:18px}
.note.ok{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.note.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}

.footer{text-align:center;color:var(--mut);font-size:12.5px;margin-top:30px}
.footer .logo{font-size:16px}
.center{text-align:center}
.big-emoji{font-size:54px}
.btn-link{display:inline-block;margin-top:18px;background:linear-gradient(135deg,var(--teal),var(--blue));color:#fff;text-decoration:none;font-weight:800;border-radius:13px;padding:13px 22px}

/* --- nav / compact hero --- */
.hero.compact{padding:18px 24px}
.topbar{display:flex;justify-content:space-between;align-items:center;gap:12px}
.topbar .brand{text-decoration:none;color:#fff}
.nav{display:flex;gap:8px;align-items:center}
.nav a{color:#fff;text-decoration:none;font-weight:700;font-size:14px;padding:8px 12px;border-radius:10px;opacity:.92}
.nav a:hover{background:rgba(255,255,255,.14)}
.nav a.navcta{background:#fff;color:var(--teal-d)}

/* --- ranges --- */
.empty{padding:22px;text-align:center;color:var(--mut);background:#f8fafc;border-radius:14px;font-weight:600}
.ranges{display:flex;flex-direction:column;gap:12px}
.range-card{background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:16px;display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.rc-dates{font-weight:900;font-size:17px;color:var(--ink)}
.rc-meta{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}
.tag{display:inline-block;background:#ecfdfa;color:var(--teal-d);border:1px solid #99f6e4;border-radius:999px;padding:3px 10px;font-size:12px;font-weight:800}
.del-btn{background:#fff;border:1.5px solid #fecaca;color:#b91c1c;border-radius:10px;padding:8px 14px;font-weight:800;font-size:13px;cursor:pointer}
.del-btn:hover{background:#fef2f2}

.row2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
@media(max-width:520px){.row2{grid-template-columns:1fr}}
.datein{width:100%;padding:13px 14px;border:1.5px solid var(--line);border-radius:13px;font-size:16px;color:var(--ink);background:#fff}
.datein:focus{outline:none;border-color:var(--teal);box-shadow:0 0 0 4px rgba(15,118,110,.12)}
.opt-lbl{font-weight:600;color:var(--mut);font-size:11px}

/* ===== Calendar / heatmap ===== */
.cal-intro{margin:18px 0 8px}
.cal-intro h1{font-size:24px;margin:0 0 4px}
.cal-intro .sub{color:#64748b;margin:0;font-size:14px}
.cal-filters{background:#fff;border:1px solid #e2e8f0;border-radius:14px;padding:14px 16px;margin:14px 0;box-shadow:0 1px 2px rgba(0,0,0,.04)}
.cal-filters .fgroup{margin-bottom:6px}
.cal-filters label{display:block;font-size:12px;font-weight:700;color:#475569;margin-bottom:4px;text-transform:uppercase;letter-spacing:.03em}
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{display:inline-flex;align-items:center;gap:5px;background:#f1f5f9;border:1px solid #e2e8f0;border-radius:999px;padding:5px 11px;font-size:13px;font-weight:600;cursor:pointer}
.chip input{accent-color:#0f766e}
.frow{display:flex;flex-wrap:wrap;gap:16px;align-items:flex-end;margin-top:8px}
.frow select,.frow input{border:1px solid #cbd5e1;border-radius:9px;padding:7px 9px;font-size:14px}
.modetoggle{display:inline-flex;border:1px solid #cbd5e1;border-radius:9px;overflow:hidden}
.modetoggle .mode{background:#fff;border:0;padding:7px 12px;font-size:13px;font-weight:700;cursor:pointer;color:#475569}
.modetoggle .mode.active{background:#0f766e;color:#fff}
.cal-nav{display:flex;align-items:center;justify-content:center;gap:18px;margin:18px 0 8px}
.cal-nav h2{font-size:18px;margin:0;min-width:180px;text-align:center}
.mbtn{background:#fff;border:1px solid #cbd5e1;border-radius:9px;padding:7px 14px;font-weight:700;cursor:pointer;color:#0f766e}
.legend{display:flex;align-items:center;gap:6px;justify-content:center;margin:6px 0 12px;font-size:12px;color:#64748b}
.legend .sw{width:22px;height:14px;border-radius:3px;display:inline-block}
.legend .lg{margin:0 4px}
.calgrid{display:grid;grid-template-columns:repeat(7,1fr);gap:6px}
.calgrid .dow{text-align:center;font-size:12px;font-weight:700;color:#94a3b8;padding:4px 0}
.cell{min-height:62px;border:1px solid #e2e8f0;border-radius:10px;padding:6px;position:relative;background:#f8fafc}
.cell.empty{border:0;background:transparent}
.cell .dnum{font-size:13px;font-weight:700;color:#334155}
.cell .dbadge{position:absolute;left:6px;bottom:6px;font-size:12px;font-weight:800;color:#064e3b}
.cell.has{cursor:pointer;transition:transform .08s}
.cell.has:hover{transform:translateY(-2px);box-shadow:0 4px 10px rgba(0,0,0,.12)}
.cell.past{opacity:.4}
.updated{text-align:center;color:#94a3b8;font-size:12px;margin-top:10px}
/* modal */
.modal{position:fixed;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;z-index:50;padding:16px}
.modal.hidden{display:none}
.modal-box{background:#fff;border-radius:16px;max-width:520px;width:100%;max-height:80vh;overflow:auto;padding:22px;position:relative}
.modal-close{position:absolute;top:12px;right:14px;border:0;background:transparent;font-size:26px;line-height:1;cursor:pointer;color:#94a3b8}
.modal-box h3{margin:0 0 14px;font-size:18px}
.sail{border:1px solid #e2e8f0;border-radius:11px;padding:11px 13px;margin-bottom:10px}
.sail-top{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.sail .pill{background:#ecfeff;color:#0f766e;border:1px solid #99f6e4;border-radius:999px;padding:2px 8px;font-size:12px;font-weight:700}
.sail-meta{color:#64748b;font-size:13px;margin-top:4px}
.bookbtn{display:inline-block;margin-top:9px;background:#0f766e;color:#fff;text-decoration:none;font-weight:700;border-radius:9px;padding:7px 13px;font-size:13px}

/* ===== Mobile / iPhone polish (appended) ===== */
html{-webkit-text-size-adjust:100%;text-size-adjust:100%}
img,svg{max-width:100%;height:auto}

/* topbar/nav: never overflow on small screens */
.topbar{flex-wrap:wrap;row-gap:10px}
.nav{flex-wrap:wrap;justify-content:flex-end}
.nav a{white-space:nowrap}

@media(max-width:560px){
  .nav{gap:6px}
  .nav a{font-size:13px;padding:7px 10px}
}
@media(max-width:430px){
  .wrap{padding:18px 14px 48px}
  .hero{padding:26px 20px;border-radius:22px}
  .hero.compact{padding:16px 18px}
  .hero h1{font-size:25px}
  .hero p{font-size:15px}
  .brand .name{font-size:22px}
  .brand .logo{font-size:30px}
  .nav a{font-size:13px;padding:7px 9px}
  .nav a.navcta{padding:7px 12px}
  .card{padding:20px;border-radius:18px}
  .pill{font-size:12px}
  /* calendar: smaller heatmap cells + scrollable filters row */
  .calgrid{gap:4px}
  .cell{min-height:50px;padding:4px;border-radius:8px}
  .cell .dnum{font-size:12px}
  .cal-nav{gap:10px}
  .cal-nav h2{font-size:16px;min-width:auto}
  .frow{gap:10px}
}
@media(max-width:360px){
  .calgrid .dow{font-size:10px}
  .cell{min-height:44px}
}