:root{
  --green:#0d3b2e; --green2:#14594a; --green3:#1e6b52;
  --yellow:#f7c948; --yellow2:#ffd84d; --cream:#fdf7e7; --bg:#f4f1e6;
  --card:#fff; --text:#1d2b24; --muted:#64706a; --border:#e3ddc9; --danger:#b3261e;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.5;padding-bottom:96px}
button,input,textarea{font:inherit}
button{cursor:pointer}
h1 span,h2 span,strong span,.brand strong span{color:var(--yellow)}
.topbar{position:sticky;top:0;z-index:10;background:var(--green);color:#fff;display:flex;gap:1rem;align-items:center;justify-content:space-between;padding:.6rem 1rem;box-shadow:0 2px 10px rgba(0,0,0,.18)}
.brand{display:flex;gap:.6rem;align-items:center}
.brand strong{display:block;font-size:1.35rem;line-height:1.1;letter-spacing:-.02em}
.brand strong span{color:var(--yellow)}
.brand small{color:#cfe6da;font-size:.75rem}
.brand-badge,.splash-badge{font-size:1.7rem;background:var(--yellow);border-radius:14px;padding:.25rem .45rem}
.logo-img{display:block;background:#fff;object-fit:cover}
.brand-logo{width:52px;height:52px;border-radius:14px;border:2px solid rgba(255,255,255,.35)}
.splash-logo{width:210px;height:210px;border-radius:28px;margin:0 auto}
.welcome-logo{width:230px;height:230px;border-radius:28px;margin:0 auto;box-shadow:0 10px 26px rgba(0,0,0,.35)}
.topnav{display:flex;gap:.5rem;align-items:center}
.icon-btn{background:rgba(255,255,255,.12);border:0;color:#fff;border-radius:50%;width:40px;height:40px;font-size:1.1rem}
#auth-area{color:#fff;font-size:.95rem;display:flex;align-items:center;gap:.5rem}
#auth-area button{background:var(--yellow);border:0;border-radius:999px;padding:.45rem .85rem;font-weight:700;color:#222}
#auth-area .avatar-chip{font-size:1.4rem;background:rgba(255,255,255,.15);border-radius:50%;width:40px;height:40px;display:flex;align-items:center;justify-content:center}
main{max-width:720px;margin:0 auto;padding:1rem 1rem 0}
.view{display:none}
.view.active{display:block}
.btn{border:1px solid var(--border);background:#fff;border-radius:999px;padding:.65rem 1.15rem;font-weight:700}
.btn.primary{background:var(--yellow);border-color:var(--yellow);color:#222}
.btn.block{width:100%;margin-top:.6rem}
.btn.outline-light{background:transparent;border:2px solid #fff;color:#fff}
.btn:disabled{opacity:.55;cursor:not-allowed}
.link-btn{background:none;border:0;color:var(--green3);font-weight:700;padding:.2rem}
.muted{color:var(--muted)}
.small{font-size:.85rem}
.error{color:var(--danger);font-weight:600}
.empty{text-align:center;color:var(--muted);padding:2rem 0}
/* Splash */
#splash{position:fixed;inset:0;background:linear-gradient(180deg,var(--green),#08251d);color:#fff;display:flex;align-items:center;justify-content:center;z-index:50;transition:opacity .4s}
#splash.done{opacity:0;pointer-events:none}
.splash-card{text-align:center}
.splash-card h1{margin:.4rem 0 0;font-size:2.6rem}
.splash-card h1 span{color:var(--yellow)}
.splash-badge{font-size:2.4rem}
.spinner{width:36px;height:36px;border:4px solid rgba(255,255,255,.3);border-top-color:var(--yellow);border-radius:50%;margin:1rem auto 0;animation:spin 1s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
/* Welcome */
.welcome{background:linear-gradient(180deg,#1a6b52 0%,var(--green) 62%,#08251d 100%);color:#fff;border-radius:24px;overflow:hidden;text-align:center;box-shadow:0 12px 30px rgba(13,59,46,.35)}
.welcome-hero{padding:2rem 1.5rem 1rem;background:radial-gradient(circle at 50% 0%,#7fd4b5 0%,transparent 55%)}
.welcome-character{font-size:6rem;line-height:1;filter:drop-shadow(0 8px 12px rgba(0,0,0,.35))}
.welcome h1{font-size:2.8rem;margin:.4rem 0 0}
.welcome-tag{color:#e6f4ec;margin:.2rem 0 1rem;font-weight:600}
.brush{display:inline-block;background:var(--yellow);color:#222;font-family:"Segoe Print","Bradley Hand",cursive;font-weight:700;font-size:1.25rem;line-height:1.25;padding:.5rem 1rem;border-radius:8px;transform:rotate(-3deg);box-shadow:3px 3px 0 rgba(0,0,0,.25)}
.small-brush{font-size:1rem;padding:.35rem .8rem}
.welcome-actions{padding:1.4rem 1.4rem 1.8rem}
.welcome-actions .btn{padding:.85rem 1.2rem;font-size:1.05rem}
.welcome-note{margin:1.1rem 0 0;color:#d7ecdf}
/* Feed */
.alert-banner{background:linear-gradient(90deg,#e8b90f,#f7c948);border-radius:16px;padding:.8rem 1.1rem;display:flex;align-items:center;justify-content:space-between;box-shadow:0 6px 16px rgba(0,0,0,.12)}
.alert-helmet{font-size:2rem}
.feed-tabs{display:flex;gap:.5rem;margin:1rem 0 .6rem}
.feed-tab{flex:1;border:1px solid var(--border);background:#fff;border-radius:999px;padding:.55rem .5rem;font-weight:700;color:var(--text)}
.feed-tab.active{background:var(--yellow);border-color:var(--yellow)}
.impact-strip{background:var(--green);color:#fff;border-radius:16px;padding:.9rem 1.1rem;margin-bottom:1rem}
.impact-strip strong{display:block}
.impact-strip span{color:#cfe6da;font-size:.9rem}
.filters{display:flex;gap:.5rem;align-items:center;margin:0 0 1rem;flex-wrap:wrap}
.chip{border:1px solid var(--border);background:#fff;border-radius:999px;padding:.45rem .9rem;font-weight:600}
.chip.active{background:var(--green);color:#fff;border-color:var(--green)}
#search{margin-left:auto;padding:.55rem .8rem;border:1px solid var(--border);border-radius:999px;min-width:200px;flex:1}
.react-legend{background:var(--cream);border:1px solid #f0dfa8;border-radius:16px;padding:.9rem 1rem;margin-bottom:1rem}
.react-legend strong{display:block;font-size:1.15rem}
.react-legend span{color:var(--muted);font-size:.9rem}
.legend-reactions{display:flex;gap:1rem;flex-wrap:wrap;margin-top:.6rem}
.legend-reactions span{color:var(--text);font-weight:700;background:#fff;border-radius:999px;padding:.3rem .7rem;border:1px solid var(--border)}
.wall{display:flex;flex-direction:column;gap:1.1rem}
.post{background:var(--card);border:1px solid var(--border);border-radius:22px;overflow:hidden;box-shadow:0 8px 22px rgba(13,59,46,.10);display:flex;flex-direction:column}
.post-media{aspect-ratio:4/3;background:linear-gradient(135deg,#123f31,#2f8f6e);display:flex;align-items:center;justify-content:center;color:#fff;font-size:3rem;position:relative}
.post-media img,.post-media video{width:100%;height:100%;object-fit:cover;display:block}
.category-tag{position:absolute;top:.7rem;left:.7rem;background:var(--green);color:#fff;font-size:.75rem;font-weight:700;letter-spacing:.03em;border-radius:999px;padding:.25rem .6rem;z-index:2}
.post-body{padding:1rem 1.1rem 1.1rem;display:flex;flex-direction:column;gap:.5rem;flex:1}
.post-head{display:flex;gap:.6rem;align-items:center}
.avatar{font-size:1.6rem;background:#eef3f5;border-radius:50%;width:46px;height:46px;display:flex;align-items:center;justify-content:center;flex-shrink:0;border:2px solid var(--yellow)}
.post-head strong{display:block;line-height:1.2}
.badge{font-size:.72rem;font-weight:800;letter-spacing:.04em;text-transform:uppercase;background:#fff3c4;border-radius:999px;padding:.25rem .6rem;white-space:nowrap}
.post-message{white-space:pre-wrap;overflow-wrap:anywhere;margin:0}
.reactions{display:flex;gap:.4rem;flex-wrap:wrap;margin-top:auto;padding-top:.7rem;border-top:1px solid var(--border)}
.reaction{border:1px solid var(--border);background:#fff;border-radius:999px;padding:.4rem .65rem;font-weight:700}
.reaction small{color:var(--muted);font-weight:600;margin-left:.25rem}
.reaction.active{background:var(--yellow);border-color:var(--yellow)}
.reaction-note{font-size:.82rem;color:var(--muted)}
.delete-btn{align-self:flex-start;background:none;border:0;color:var(--danger);padding:0;font-size:.9rem;font-weight:600}
.moments-strip{background:var(--green);color:#fff;border-radius:22px;padding:1.3rem;margin:1.3rem 0}
.moments-strip h2{margin:0 0 1rem;font-size:1.35rem;line-height:1.25}
.moments-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;text-align:center}
.moments-grid span{font-size:1.7rem;display:block;background:var(--yellow);border-radius:50%;width:52px;height:52px;line-height:52px;margin:0 auto .3rem;color:#222}
.moments-grid strong{display:block;font-size:.85rem}
.moments-grid small{color:#cfe6da;font-size:.75rem}
.moments-note{margin:1rem 0 0;color:#ffe98a;font-style:italic}
/* Cards / forms */
.card{background:var(--card);border:1px solid var(--border);border-radius:22px;padding:1.4rem;margin:1rem auto;box-shadow:0 8px 22px rgba(13,59,46,.08)}
.card.narrow{max-width:620px}
.card.center{text-align:center}
label{display:block;font-weight:700;margin:1rem 0 .3rem}
input[type=text],input[type=password],input[type=search],textarea{width:100%;border:1px solid var(--border);border-radius:12px;padding:.7rem .8rem;background:#fff}
textarea{resize:vertical}
fieldset{border:0;padding:0;margin:0}
legend{font-weight:700;margin:1rem 0 .3rem}
.avatar-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:.5rem}
.avatar-btn{font-size:1.8rem;border:2px solid var(--border);background:#fff;border-radius:14px;padding:.5rem 0}
.avatar-btn.selected{border-color:var(--green3);background:#e6f4ef;outline:2px solid var(--green3)}
.tabs{display:flex;gap:.4rem;margin-top:.8rem}
.tab{flex:1;border:1px solid var(--border);background:#eef3f5;border-radius:12px;padding:.6rem;font-weight:700}
.tab.active{background:var(--green);color:#fff}
.type-picker{display:grid;grid-template-columns:1fr 1fr;gap:.6rem;margin:1rem 0}
.type-btn{border:2px solid var(--border);background:#fff;border-radius:14px;padding:.9rem;font-weight:800;font-size:1.05rem}
.type-btn.active{border-color:var(--green3);background:#e6f4ef}
.category-picker{display:flex;gap:.5rem;flex-wrap:wrap}
.category-btn{border:2px solid var(--border);background:#fff;border-radius:999px;padding:.5rem .9rem;font-weight:700}
.category-btn.active{border-color:var(--green3);background:var(--yellow)}
.row{display:flex;gap:.6rem;flex-wrap:wrap;margin:.7rem 0}
.row.center{justify-content:center}
video{width:100%;border-radius:14px;background:#000;max-height:360px}
#photo-preview{width:100%;border-radius:14px;max-height:360px;object-fit:cover}
.file-label{display:inline-block;margin-top:.6rem;color:var(--green3);font-weight:700;text-decoration:underline}
input[type=file]{display:block;margin-top:.4rem}
.photo-preview-wrap{position:relative;overflow:hidden;border-radius:14px}
.post-media{overflow:hidden}
.stamp-adjust{margin-top:.9rem}
.stamp-adjust label{display:flex;justify-content:space-between;margin:.6rem 0 .2rem}
.stamp-adjust input[type=range]{width:100%;accent-color:var(--green3)}
.stamp-adjust p{margin:.4rem 0 0}
.photo-preview-wrap #photo-preview{margin-bottom:0}
.stamp-overlay{position:absolute;width:44%;height:auto;left:72%;top:68%;pointer-events:none;z-index:2;transform-origin:center center;filter:drop-shadow(0 4px 8px rgba(0,0,0,.25))}
#stamp-preview{pointer-events:auto;cursor:grab;touch-action:none}
#stamp-preview.dragging{cursor:grabbing}
.post-media .stamp-overlay{z-index:3}
.stamp-field{margin-top:.8rem}
.stamp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem}
.stamp-btn{border:2px solid var(--border);background:#fff;border-radius:12px;padding:.3rem}
.stamp-btn img{width:100%;display:block;border-radius:8px}
.stamp-btn small{display:block;font-size:.7rem;font-weight:700;margin-top:.2rem;line-height:1.2}
.stamp-btn.selected{border-color:var(--green3);background:#e6f4ef;outline:2px solid var(--green3)}
.qr-box{background:#fff;border:1px solid var(--border);border-radius:16px;padding:1rem;display:inline-block}
.qr-url{overflow-wrap:anywhere}
/* Profile */
.profile-card{text-align:center}
.profile-avatar{font-size:3.2rem;background:var(--cream);border:3px solid var(--yellow);border-radius:50%;width:96px;height:96px;display:flex;align-items:center;justify-content:center;margin:0 auto}
.profile-head h2{margin:.5rem 0 0}
.profile-role{color:var(--green3);font-weight:700;margin:.2rem 0 0}
.profile-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:.5rem;margin:1.1rem 0}
.profile-stats strong{display:block;font-size:1.3rem}
.profile-stats span{color:var(--muted);font-size:.85rem}
.profile-section{text-align:left;margin-top:1.4rem}
.section-head{display:flex;justify-content:space-between;align-items:center}
.section-head h3,.profile-section h3{margin:0 0 .6rem}
.badges{display:grid;grid-template-columns:repeat(4,1fr);gap:.6rem;text-align:center}
.badge-item span{font-size:1.9rem;display:block;background:var(--cream);border-radius:50%;width:56px;height:56px;line-height:56px;margin:0 auto .25rem}
.badge-item.locked{opacity:.45}
.badge-item strong{display:block;font-size:.78rem;line-height:1.2}
.badge-item small{color:var(--muted);font-size:.72rem}
.collections{display:grid;grid-template-columns:repeat(3,1fr);gap:.6rem}
.collection{border:1px solid var(--border);border-radius:14px;overflow:hidden;text-align:left}
.collection span{font-size:1.8rem;display:block;background:var(--green);padding:.7rem;text-align:center}
.collection strong{display:block;font-size:.82rem;padding:.45rem .55rem 0}
.collection small{display:block;color:var(--muted);padding:0 .55rem .5rem;font-size:.75rem}
.notification-item{display:flex;gap:.7rem;align-items:flex-start;border-top:1px solid var(--border);padding:.8rem 0}
.notification-item:first-child{border-top:0}
.notification-item .avatar{width:40px;height:40px;font-size:1.3rem}
/* Bottom nav */
.bottomnav{position:fixed;left:0;right:0;bottom:0;z-index:20;background:#fff;border-top:1px solid var(--border);display:flex;justify-content:space-around;padding:.45rem .4rem calc(.45rem + env(safe-area-inset-bottom));box-shadow:0 -4px 16px rgba(0,0,0,.08)}
.bottom-btn{border:0;background:none;display:flex;flex-direction:column;align-items:center;gap:.1rem;font-size:.72rem;font-weight:700;color:var(--muted);padding:.35rem .5rem;min-width:56px}
.bottom-btn span{font-size:1.3rem;line-height:1}
.bottom-btn.active{color:var(--green)}
.bottom-btn.fab{background:var(--yellow);color:#222;border-radius:50%;width:52px;height:52px;justify-content:center;margin-top:-22px;box-shadow:0 6px 14px rgba(0,0,0,.22)}
.bottom-btn.fab span{font-size:1.6rem}
footer{max-width:720px;margin:0 auto;padding:1rem;color:var(--muted);font-size:.9rem}
@media (max-width:600px){
  .avatar-grid{grid-template-columns:repeat(4,1fr)}
  #search{margin-left:0;width:100%;order:3}
  main{padding:.7rem}
  .moments-grid{grid-template-columns:repeat(2,1fr)}
}
@media print{
  .topbar,.bottomnav,main>section:not(#view-qr),footer,#splash{display:none !important}
  #view-qr{display:block !important}
  body{padding-bottom:0}
}