:root{
  --navy-900:#0A3A5C;
  --blue-700:#1670A8;
  --blue-500:#4FA8DE;
  --sky-300:#A9D8F5;
  --sky-100:#E8F4FC;
  --sky-050:#F5FAFD;
  --ink:#0D2B3D;
  --ink-soft:#4B6B7D;
  --coral:#E8734A;
  --coral-soft:#FDEDE5;
  --amber:#D98F2B;
  --amber-soft:#FBF1DD;
  --ok:#2F9E63;
  --ok-soft:#E7F6EE;
  --line:#DCEAF3;
  --white:#ffffff;
  --radius:16px;
  --shadow:0 8px 24px rgba(10,58,92,0.08);
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:'Inter',system-ui,sans-serif;
  background:var(--sky-050);
  color:var(--ink);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.display{
  font-family:'Poppins',system-ui,sans-serif;
  color:var(--navy-900);
  margin:0 0 8px 0;
  line-height:1.25;
}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}

.app-shell{
  max-width:520px;
  margin:0 auto;
  min-height:100vh;
  background:var(--sky-050);
  position:relative;
  padding-bottom:24px;
}

/* --- hero wave, navy-to-blue gradient so the logo's white lettering reads clearly --- */
.hero-wave{
  background:linear-gradient(135deg,var(--navy-900) 0%, var(--blue-700) 55%, var(--blue-500) 100%);
  padding:28px 20px 48px 20px;
  color:var(--white);
  position:relative;
  overflow:hidden;
}
.hero-wave::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:-1px;
  height:36px;
  background:var(--sky-050);
  border-radius:60% 60% 0 0/100% 100% 0 0;
}
.hero-eyebrow{
  font-size:12px;
  letter-spacing:.14em;
  text-transform:uppercase;
  opacity:.85;
  font-weight:600;
}
.hero-wave h1{color:var(--white);font-size:24px;margin-top:6px;}
.hero-sub{font-size:14px;opacity:.92;max-width:38ch;}
.hero-logo{max-width:220px;height:auto;margin-bottom:14px;}

.section{padding:18px 20px;}
.card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:18px;
  box-shadow:var(--shadow);
  margin-bottom:14px;
}
.card-flat{
  background:var(--sky-100);
  border-radius:var(--radius);
  padding:16px;
  margin-bottom:12px;
}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 20px;
  border-radius:12px;
  border:none;
  font-weight:600;
  font-size:15px;
  cursor:pointer;
  width:100%;
  transition:transform .08s ease, opacity .15s ease;
}
.btn:active{transform:scale(0.98);}
.btn-primary{background:var(--blue-700);color:var(--white);}
.btn-primary:hover{background:var(--navy-900);}
.btn-outline{background:transparent;color:var(--blue-700);border:1.5px solid var(--blue-700);}
.btn-coral{background:var(--coral);color:var(--white);}
.btn-ghost{background:var(--sky-100);color:var(--navy-900);}
.btn-sm{padding:9px 14px;font-size:13px;width:auto;}

.field{margin-bottom:14px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--navy-900);margin-bottom:6px;}
.field input, .field select, .field textarea{
  width:100%;
  padding:12px 14px;
  border-radius:10px;
  border:1.5px solid var(--line);
  font-size:15px;
  font-family:inherit;
  background:var(--white);
  color:var(--ink);
}
.field input:focus, .field select:focus, .field textarea:focus{
  outline:none;border-color:var(--blue-500);
}

.nav-bottom{
  position:sticky;bottom:0;left:0;right:0;
  display:flex;
  background:var(--white);
  border-top:1px solid var(--line);
  padding:8px 6px calc(8px + env(safe-area-inset-bottom));
  max-width:520px;
  margin:0 auto;
}
.nav-item{
  flex:1;text-align:center;font-size:11px;font-weight:600;color:var(--ink-soft);
  padding:6px 2px;border-radius:10px;
}
.nav-item.active{color:var(--blue-700);background:var(--sky-100);}
.nav-icon{font-size:19px;display:block;margin-bottom:2px;}

.badge{
  display:inline-block;padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;
}
.badge-minimal{background:var(--ok-soft);color:var(--ok);}
.badge-mild{background:var(--sky-100);color:var(--blue-700);}
.badge-moderate{background:var(--amber-soft);color:var(--amber);}
.badge-severe{background:var(--coral-soft);color:var(--coral);}
.badge-alarm{background:var(--coral);color:var(--white);}

.progress-track{height:8px;background:var(--sky-100);border-radius:999px;overflow:hidden;margin:10px 0;}
.progress-fill{height:100%;background:var(--blue-500);border-radius:999px;transition:width .3s ease;}

.q-block{margin-bottom:22px;}
.q-text{font-weight:600;font-size:15px;margin-bottom:10px;color:var(--navy-900);}
.opt-row{display:flex;flex-direction:column;gap:8px;}
.opt-label{
  display:flex;align-items:center;gap:10px;
  padding:12px 14px;border:1.5px solid var(--line);border-radius:10px;
  font-size:14px;cursor:pointer;
}
.opt-label input{accent-color:var(--blue-700);}
.opt-label.checked{border-color:var(--blue-500);background:var(--sky-100);}

.alarm-box{
  border:1.5px solid var(--coral);
  background:var(--coral-soft);
  border-radius:var(--radius);
  padding:16px;
  margin-bottom:14px;
}
.alarm-box h3{color:var(--coral);font-size:15px;}
.checklist label{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 0;border-bottom:1px solid rgba(232,115,74,0.15);
  font-size:13.5px;
}

.chip{
  display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;
  border:1.5px solid var(--line);font-size:13px;cursor:pointer;background:var(--white);
}
.chip.checked{background:var(--blue-700);border-color:var(--blue-700);color:var(--white);}
.chip-wrap{display:flex;flex-wrap:wrap;gap:8px;}

.streak-pill{
  display:inline-flex;align-items:center;gap:6px;background:var(--amber-soft);color:var(--amber);
  padding:6px 12px;border-radius:999px;font-weight:700;font-size:13px;
}

table.simple{width:100%;border-collapse:collapse;font-size:13px;}
table.simple th, table.simple td{padding:9px 8px;text-align:left;border-bottom:1px solid var(--line);}
table.simple th{color:var(--ink-soft);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;}

.chat-wrap{display:flex;flex-direction:column;gap:10px;padding:16px 20px 100px;}
.msg{max-width:82%;padding:11px 14px;border-radius:16px;font-size:14px;line-height:1.5;}
.msg-user{align-self:flex-end;background:var(--blue-700);color:var(--white);border-bottom-right-radius:4px;}
.msg-assistant{align-self:flex-start;background:var(--white);border:1px solid var(--line);border-bottom-left-radius:4px;}
.chat-input-bar{
  position:fixed;bottom:0;left:0;right:0;
  max-width:520px;margin:0 auto;
  background:var(--white);border-top:1px solid var(--line);
  padding:10px 12px calc(10px + env(safe-area-inset-bottom));
  display:flex;gap:8px;
}
.chat-input-bar input{flex:1;padding:12px 14px;border-radius:20px;border:1.5px solid var(--line);font-size:14px;}
.chat-input-bar button{
  background:var(--blue-700);color:white;border:none;border-radius:20px;padding:0 18px;font-weight:600;
}

.topbar{display:flex;align-items:center;justify-content:space-between;padding:14px 20px 0;}
.back-link{font-size:13px;color:var(--blue-700);font-weight:600;}
.link-muted{color:var(--ink-soft);font-size:12px;}

.divider{height:1px;background:var(--line);margin:14px 0;}

.small-muted{color:var(--ink-soft);font-size:12.5px;}
.center{text-align:center;}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;}
}

/* ---- transition wish overlay (shown briefly between module navigations) ---- */
.wish-overlay{
  position:fixed;inset:0;z-index:9999;
  background:linear-gradient(135deg,var(--navy-900) 0%, var(--blue-700) 55%, var(--blue-500) 100%);
  display:flex;align-items:center;justify-content:center;
  opacity:0;pointer-events:none;
  transition:opacity .25s ease;
}
.wish-overlay.active{opacity:1;pointer-events:all;}
.wish-overlay-inner{max-width:340px;text-align:center;padding:0 32px;color:white;}
.wish-overlay-icon{font-size:34px;margin-bottom:14px;}
.wish-overlay-text{font-family:'Poppins',system-ui,sans-serif;font-size:18px;font-weight:600;line-height:1.5;}

/* ---- welcome screen mother & child graphic ---- */
.welcome-graphic{width:180px;height:180px;margin:0 auto;}
.welcome-graphic svg{width:100%;height:100%;}

/* ---- animated acidity-relief exercises ---- */
.relief-anim-stage{
  width:100%;height:150px;display:flex;align-items:center;justify-content:center;
  background:var(--sky-100);border-radius:var(--radius);margin-bottom:12px;overflow:hidden;position:relative;
}
.relief-anim-emoji{font-size:52px;display:inline-block;}

/* walking figure bobs and shifts side to side */
.anim-walk{ animation: walkBob 1.1s ease-in-out infinite; }
@keyframes walkBob{
  0%,100%{ transform: translateX(-24px) translateY(0) scaleX(1); }
  25%{ transform: translateX(-8px) translateY(-6px) scaleX(1); }
  50%{ transform: translateX(8px) translateY(0) scaleX(-1); }
  75%{ transform: translateX(24px) translateY(-6px) scaleX(-1); }
}

/* breathing circle expands and contracts like a breath cycle */
.anim-breathe-circle{
  width:70px;height:70px;border-radius:50%;
  background:radial-gradient(circle, var(--blue-500), var(--blue-700));
  animation: breatheCycle 4s ease-in-out infinite;
}
@keyframes breatheCycle{
  0%,100%{ transform:scale(0.75); opacity:0.75; }
  50%{ transform:scale(1.15); opacity:1; }
}

/* left-side resting figure gently rocks as if breathing while resting */
.anim-rest{ animation: restBreath 3s ease-in-out infinite; display:inline-block; }
@keyframes restBreath{
  0%,100%{ transform: scale(1) rotate(-4deg); }
  50%{ transform: scale(1.04) rotate(-4deg); }
}

/* cat-cow seated stretch: gentle arch/round motion */
.anim-catcow{ animation: catCow 2.6s ease-in-out infinite; display:inline-block; }
@keyframes catCow{
  0%,100%{ transform: rotate(-6deg) translateY(0); }
  50%{ transform: rotate(6deg) translateY(-4px); }
}