:root{
  --teal:#00968f; --teal-2:#39837e; --ink:#1A1A2E; --muted:#6B7280;
  --surface:#F7F7F8; --border:#E8E8ED; --bg:#ffffff; --gold:#B8960C;
  --radius:16px; --tab-h:64px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
/* the [hidden] attribute must always win, even over .card{display:block} */
[hidden]{display:none !important}
body.app{
  font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  background:var(--surface); color:var(--ink); line-height:1.5;
  -webkit-font-smoothing:antialiased; overscroll-behavior-y:contain;
}
.app-main{max-width:520px; margin:0 auto; padding:0 16px calc(var(--tab-h) + env(safe-area-inset-bottom) + 20px);
  padding-top:env(safe-area-inset-top);}
a{color:inherit; text-decoration:none}
h1{font-family:'Playfair Display',Georgia,serif; font-size:1.7rem; line-height:1.15; margin:.2rem 0 .6rem; letter-spacing:-.01em}

/* header */
.app-header{display:flex; align-items:center; gap:10px; padding:18px 4px 6px}
.app-logo{height:34px; width:34px; border-radius:9px; border:1px solid var(--border)}
.app-header__meta{font-size:.66rem; letter-spacing:.14em; text-transform:uppercase; color:var(--muted); font-weight:600}

/* hero / onboarding */
.hero{padding:8px 4px 4px}
.hero h1{font-size:1.9rem}
.hero p{color:var(--muted); font-size:1rem; margin:0 0 1.1rem}
.micro{font-size:.78rem; color:var(--muted); margin:.6rem 2px 0}
.field{display:flex; gap:8px; flex-wrap:wrap}
.field input{flex:1; min-width:200px; padding:15px 16px; border:1px solid var(--border); border-radius:12px;
  font-size:1rem; font-family:inherit; background:#fff; color:var(--ink)}
.field input:focus{outline:none; border-color:var(--teal); box-shadow:0 0 0 3px rgba(0,150,143,.12)}

/* buttons */
.btn{border:none; border-radius:12px; padding:15px 22px; font-weight:700; font-size:1rem; font-family:inherit;
  cursor:pointer; display:inline-block; text-align:center}
.btn--primary{background:var(--teal); color:#fff}
.btn--primary:active{background:var(--teal-2)}

/* value rows */
.value{margin:22px 0 6px; display:flex; flex-direction:column; gap:2px}
.value-row{display:flex; gap:12px; align-items:flex-start; padding:12px 4px; border-top:1px solid var(--border)}
.value-row .v-ico{flex:0 0 34px; height:34px; width:34px; border-radius:10px; background:#E6F3F1; color:var(--teal);
  display:flex; align-items:center; justify-content:center; font-size:18px}
.value-row b{font-size:.98rem}
.value-row p{margin:2px 0 0; color:var(--muted); font-size:.9rem}

/* greeting + stats */
.greeting{padding:10px 4px 4px}
.stat-row{display:flex; gap:10px; margin-top:10px}
.stat{flex:1; background:#fff; border:1px solid var(--border); border-radius:14px; padding:14px 8px; text-align:center}
.stat b{display:block; font-size:1.5rem; color:var(--teal); font-weight:800; line-height:1}
.stat span{font-size:.72rem; color:var(--muted); text-transform:uppercase; letter-spacing:.06em}

/* cards */
.grid{display:grid; grid-template-columns:1fr 1fr; gap:12px; margin:16px 0}
.card{background:#fff; border:1px solid var(--border); border-radius:var(--radius); padding:18px; display:block;
  box-shadow:0 6px 20px rgba(27,58,92,.04)}
.card .c-ico{display:inline-flex; align-items:center; justify-content:center; height:40px; width:40px; border-radius:12px;
  background:#E6F3F1; color:var(--teal); font-size:20px; margin-bottom:10px}
.card b{display:block; font-size:1.02rem}
.card p{margin:2px 0 0; color:var(--muted); font-size:.86rem}
.card--wide{margin:12px 0; grid-column:1 / -1}
.card--accent{background:linear-gradient(135deg,var(--teal),var(--teal-2)); color:#fff; border:none; margin:14px 0}
.card--accent p{color:rgba(255,255,255,.9)}
.install-card .btn, #pushCard .btn{margin-top:12px; width:100%}

/* footer */
.app-footer{margin:26px 0 8px; text-align:center; color:var(--muted); font-size:.85rem}
.app-footer a{color:var(--teal); font-weight:600}
.app-footer__brand{margin-top:8px; font-size:.72rem; color:#AAA}

/* bottom tab bar */
.tabbar{position:fixed; left:0; right:0; bottom:0; height:calc(var(--tab-h) + env(safe-area-inset-bottom));
  padding-bottom:env(safe-area-inset-bottom); background:#fff; border-top:1px solid var(--border);
  display:flex; z-index:50; max-width:520px; margin:0 auto}
.tab{flex:1; min-width:0; display:flex; flex-direction:column; align-items:center; justify-content:center; gap:2px;
  color:var(--muted); font-size:.6rem; font-weight:600; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; padding:0 2px}
.tab .tab-ico{font-size:18px; line-height:1}
.tab.is-active{color:var(--teal)}

/* in-app back button (floating, hidden on the home screen via app.js) */
.app-back{position:fixed;top:calc(10px + env(safe-area-inset-top));left:8px;z-index:60;
  width:38px;height:38px;border-radius:50%;border:1px solid var(--border);background:rgba(255,255,255,.9);
  color:var(--teal);font-size:24px;line-height:1;cursor:pointer;display:none;align-items:center;justify-content:center;
  -webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}
.app-back.show{display:flex}
/* when the back button shows, shift the page header right so the logo never sits under it */
.app-back.show ~ .app-main .app-header{padding-left:46px}

/* one-time iPhone install hint (points at the Safari Share icon, bottom center) */
.ios-hint{position:fixed;left:50%;transform:translateX(-50%);bottom:calc(var(--tab-h) + env(safe-area-inset-bottom) + 12px);z-index:200;width:min(360px,92%);
  background:#1A1A2E;color:#fff;border-radius:16px;padding:16px 18px;box-shadow:0 12px 40px rgba(0,0,0,.35);
  font-size:.92rem;line-height:1.45;animation:hintUp .4s ease}
.ios-hint b{color:#fff}
.ios-hint .teal{color:#4fd1c9;font-weight:700}
.ios-hint__share{display:inline-flex;align-items:center;justify-content:center;width:22px;height:22px;
  vertical-align:-5px;margin:0 2px}
.ios-hint__x{position:absolute;top:8px;right:12px;color:rgba(255,255,255,.6);font-size:20px;cursor:pointer;line-height:1;padding:4px}
.ios-hint__arrow{position:absolute;left:50%;bottom:-16px;transform:translateX(-50%);width:0;height:0;
  border-left:14px solid transparent;border-right:14px solid transparent;border-top:16px solid #1A1A2E;
  animation:hintBounce 1.1s ease-in-out infinite}
@keyframes hintUp{from{opacity:0;transform:translateX(-50%) translateY(12px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
@keyframes hintBounce{0%,100%{transform:translateX(-50%) translateY(0)}50%{transform:translateX(-50%) translateY(6px)}}

/* toast */
.toast{position:fixed; left:50%; transform:translateX(-50%); bottom:calc(var(--tab-h) + 20px);
  background:var(--ink); color:#fff; padding:12px 18px; border-radius:12px; font-size:.9rem; z-index:60;
  box-shadow:0 8px 30px rgba(0,0,0,.2); max-width:90%}
.toast[hidden]{display:none}