:root{
  --forest-deep:#08170f;
  --forest:#0d2a1c;
  --leaf:#3fae52;
  --leaf-bright:#5fd579;
  --navy:#16264a;
  --ink:#eef5ef;
  --ink-muted:#a9c2ae;
  --glass-bg:rgba(255,255,255,0.055);
  --glass-bg-strong:rgba(255,255,255,0.09);
  --glass-border:rgba(255,255,255,0.16);
  --glass-shadow:0 20px 60px rgba(0,0,0,0.45);
  --radius-lg:28px;
  --radius-md:18px;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;height:100%;}
body{
  min-height:100vh;
  font-family:'Inter',system-ui,sans-serif;
  color:var(--ink);
  overflow-x:hidden;
}

.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);}

/* ---------- Background ---------- */
.bg-layer{
  position:fixed;inset:0;z-index:-2;
  background:url('assets/background.png') center/cover no-repeat, var(--forest-deep);
}
.bg-vignette{
  position:fixed;inset:0;z-index:-1;
  background:radial-gradient(ellipse at 50% 0%, rgba(8,23,15,0.15) 0%, rgba(6,16,11,0.65) 65%, rgba(4,10,7,0.88) 100%);
}

/* ---------- Glass island base ---------- */
.island{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  border-radius:var(--radius-lg);
  backdrop-filter:blur(22px) saturate(130%);
  -webkit-backdrop-filter:blur(22px) saturate(130%);
  box-shadow:var(--glass-shadow), inset 0 1px 0 rgba(255,255,255,0.12);
  animation:drift 9s ease-in-out infinite;
}
@keyframes drift{
  0%,100%{transform:translateY(0);}
  50%{transform:translateY(-8px);}
}
@media (prefers-reduced-motion: reduce){
  .island{animation:none;}
}

[hidden]{display:none !important;}

/* ---------- Gate ---------- */
.gate{
  min-height:100vh;
  display:flex;align-items:center;justify-content:center;
  padding:24px;
}
.gate-card{
  width:100%;max-width:380px;
  padding:44px 36px 34px;
  text-align:center;
}
.gate-logo{width:84px;height:84px;object-fit:contain;margin-bottom:14px;filter:drop-shadow(0 6px 18px rgba(0,0,0,0.4));}
.gate h1{
  font-family:'Bricolage Grotesque',sans-serif;
  font-weight:800;font-size:1.7rem;margin:0 0 4px;
  letter-spacing:-0.01em;
}
.gate-tag{color:var(--ink-muted);margin:0 0 26px;font-size:0.95rem;}
#gate-form{display:flex;flex-direction:column;gap:12px;}
#passcode{
  text-align:center;letter-spacing:0.5em;font-size:1.2rem;
  padding:14px 16px;border-radius:var(--radius-md);
  border:1px solid var(--glass-border);
  background:rgba(0,0,0,0.25);
  color:var(--ink);outline:none;
}
#passcode::placeholder{letter-spacing:normal;font-size:0.95rem;color:var(--ink-muted);}
#passcode:focus{border-color:var(--leaf-bright);box-shadow:0 0 0 3px rgba(95,213,121,0.25);}
.gate-error{color:#ff9b9b;font-size:0.85rem;margin:2px 0 0;}
.gate-footnote{color:var(--ink-muted);font-size:0.78rem;margin:20px 0 0;}

.primary-btn,.gate button[type="submit"]{
  background:linear-gradient(135deg,var(--leaf),#2c8a3d);
  color:#fff;border:none;font-weight:700;font-family:'Inter',sans-serif;
  padding:13px 20px;border-radius:var(--radius-md);cursor:pointer;
  transition:transform .15s ease, box-shadow .15s ease;
  box-shadow:0 10px 24px rgba(63,174,82,0.35);
}
.primary-btn:hover,.gate button[type="submit"]:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(63,174,82,0.45);}
.primary-btn:active,.gate button[type="submit"]:active{transform:translateY(0);}
.primary-btn:disabled{opacity:0.5;cursor:not-allowed;transform:none;}

/* ---------- App shell ---------- */
.app{max-width:880px;margin:0 auto;padding:20px 20px 80px;}
.topbar{
  display:flex;align-items:center;gap:16px;
  padding:14px 20px;margin-bottom:22px;
  position:sticky;top:14px;z-index:10;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-logo{width:36px;height:36px;object-fit:contain;}
.brand-name{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:1.05rem;}
.tabs{display:flex;gap:6px;margin-left:auto;background:rgba(0,0,0,0.2);padding:4px;border-radius:14px;}
.tab-btn{
  background:transparent;border:none;color:var(--ink-muted);
  padding:8px 16px;border-radius:10px;font-weight:600;font-family:'Inter',sans-serif;
  cursor:pointer;font-size:0.9rem;transition:all .2s ease;
}
.tab-btn.active{background:var(--leaf);color:#08170f;}
.logout-btn{
  background:transparent;border:1px solid var(--glass-border);color:var(--ink-muted);
  padding:8px 14px;border-radius:10px;cursor:pointer;font-size:0.85rem;font-family:'Inter',sans-serif;
}
.logout-btn:hover{color:var(--ink);border-color:var(--ink-muted);}

.tab-panel{display:none;}
.tab-panel.active{display:block;animation:fadein .35s ease;}
@keyframes fadein{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:translateY(0);}}

/* ---------- Composer ---------- */
.composer{padding:22px;margin-bottom:26px;animation-delay:.2s;}
.panel-title{font-family:'Bricolage Grotesque',sans-serif;font-size:1.1rem;margin:0 0 14px;}
#confession-input{
  width:100%;min-height:96px;resize:vertical;
  background:rgba(0,0,0,0.22);border:1px solid var(--glass-border);
  border-radius:var(--radius-md);color:var(--ink);
  padding:14px;font-family:'Inter',sans-serif;font-size:0.98rem;outline:none;
}
#confession-input:focus{border-color:var(--leaf-bright);}
.composer-row{display:flex;align-items:center;justify-content:space-between;margin-top:12px;}
.char-count{color:var(--ink-muted);font-size:0.8rem;}

/* ---------- Feed ---------- */
.status-msg{color:var(--ink-muted);text-align:center;padding:20px 0;font-size:0.9rem;}
.feed{display:flex;flex-direction:column;gap:16px;}
.post-card{
  padding:20px 22px;position:relative;
}
.post-card:nth-child(3n+1){animation-delay:0s;}
.post-card:nth-child(3n+2){animation-delay:.6s;}
.post-card:nth-child(3n){animation-delay:1.2s;}
.post-text{font-size:1rem;line-height:1.55;white-space:pre-wrap;margin:0 0 12px;}
.post-meta{display:flex;align-items:center;justify-content:space-between;color:var(--ink-muted);font-size:0.78rem;}
.post-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(63,174,82,0.15);color:var(--leaf-bright);
  padding:3px 10px;border-radius:999px;font-weight:600;font-size:0.72rem;
  letter-spacing:0.02em;text-transform:uppercase;
}
.like-btn{
  background:transparent;border:1px solid var(--glass-border);color:var(--ink-muted);
  padding:5px 11px;border-radius:999px;cursor:pointer;font-size:0.8rem;
  display:flex;align-items:center;gap:5px;transition:all .15s ease;
}
.like-btn:hover{border-color:var(--leaf-bright);color:var(--leaf-bright);}
.like-btn.liked{color:#ff8a8a;border-color:rgba(255,138,138,0.5);}

/* ---------- People finder ---------- */
.people-form-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.people-form-grid input{
  background:rgba(0,0,0,0.22);border:1px solid var(--glass-border);
  border-radius:var(--radius-md);color:var(--ink);
  padding:12px 14px;font-family:'Inter',sans-serif;font-size:0.92rem;outline:none;
}
.people-form-grid input:focus{border-color:var(--leaf-bright);}
.search-row{margin-bottom:18px;}
#people-search{
  width:100%;background:rgba(0,0,0,0.22);border:1px solid var(--glass-border);
  border-radius:var(--radius-md);color:var(--ink);padding:12px 16px;
  font-family:'Inter',sans-serif;font-size:0.92rem;outline:none;
}
#people-search:focus{border-color:var(--leaf-bright);}
.people-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;}
.people-card{padding:18px;animation-delay:.4s;}
.people-name{font-family:'Bricolage Grotesque',sans-serif;font-weight:700;font-size:1.02rem;margin:0 0 2px;}
.people-class{color:var(--leaf-bright);font-size:0.78rem;font-weight:600;margin:0 0 12px;text-transform:uppercase;letter-spacing:0.03em;}
.people-links{display:flex;flex-direction:column;gap:6px;font-size:0.85rem;}
.people-links a{color:var(--ink);text-decoration:none;display:flex;align-items:center;gap:6px;}
.people-links a:hover{color:var(--leaf-bright);}
.people-links span.icon{opacity:0.8;}

/* ---------- Responsive ---------- */
@media (max-width:560px){
  .people-form-grid{grid-template-columns:1fr;}
  .topbar{flex-wrap:wrap;gap:10px;}
  .tabs{margin-left:0;order:3;width:100%;}
  .gate-card{padding:34px 24px 26px;}
}

/* Focus visibility for accessibility */
button:focus-visible, input:focus-visible, textarea:focus-visible{
  outline:2px solid var(--leaf-bright);outline-offset:2px;
}