/* Session UX: logout sheet, goodbye overlay, welcome chip */

/* ---- Logout confirm sheet ---- */
.lo-sheet { text-align:center; padding:28px 24px 30px; }
.lo-icon { width:76px; height:76px; margin:12px auto 16px; border-radius:24px; display:flex; align-items:center; justify-content:center; font-size:1.9rem; color:var(--danger);
  background:linear-gradient(135deg,#fee2e2,#ffe4e6); box-shadow:0 10px 24px rgba(239,68,68,.22); position:relative; }
.lo-icon i { animation: lo-nudge 1.6s ease-in-out infinite; }
.lo-icon::after { content:''; position:absolute; inset:-7px; border-radius:30px; border:2px solid var(--danger); opacity:0; animation: lo-ring 1.8s ease-out infinite; }
.lo-title { margin:0 0 6px; font-size:1.35rem; font-weight:800; }
.lo-text { color:var(--text-muted); font-size:.9rem; line-height:1.55; margin:0 0 20px; }
.lo-actions { display:grid; grid-template-columns:1fr 1fr; gap:12px; }
.lo-stay { background:var(--bg-input); color:var(--text-main); box-shadow:none; }
.lo-go { background:linear-gradient(135deg,#ef4444,#dc2626); box-shadow:0 8px 18px rgba(239,68,68,.35); }
@keyframes lo-nudge { 0%,100%{transform:translateX(0)} 50%{transform:translateX(5px)} }
@keyframes lo-ring  { 0%{transform:scale(.9); opacity:.55} 100%{transform:scale(1.25); opacity:0} }

/* ---- Goodbye overlay ---- */
#session-overlay { position:fixed; inset:0; z-index:9000; display:flex; align-items:center; justify-content:center; overflow:hidden;
  background:linear-gradient(160deg,#0f172a,#1e1b4b 55%,#312e81); opacity:0; visibility:hidden; pointer-events:none;
  clip-path:circle(0% at 50% 50%); transition:clip-path .7s cubic-bezier(.22,1,.36,1), opacity .35s ease, visibility .7s; }
#session-overlay.show { opacity:1; visibility:visible; pointer-events:all; clip-path:circle(150% at 50% 50%); }
.so-orb { position:absolute; border-radius:50%; filter:blur(70px); opacity:.5; }
.so-orb1 { width:320px; height:320px; background:#4f46e5; top:-80px; left:-80px; animation: so-float 8s ease-in-out infinite; }
.so-orb2 { width:280px; height:280px; background:#f43f5e; bottom:-80px; right:-60px; animation: so-float 10s ease-in-out infinite reverse; }
@keyframes so-float { 0%,100%{transform:translate(0,0)} 50%{transform:translate(40px,30px)} }
.so-box { position:relative; text-align:center; color:#fff; transform:scale(.85); opacity:0; transition:transform .6s cubic-bezier(.34,1.56,.64,1) .15s, opacity .4s .15s; }
#session-overlay.show .so-box { transform:none; opacity:1; }
.so-box h3 { font-size:1.5rem; font-weight:800; margin:22px 0 6px; transition:opacity .2s; }
.so-box p { opacity:.7; font-size:.95rem; margin:0; }
.so-ring { width:108px; height:108px; border-radius:50%; margin:0 auto; padding:4px; position:relative;
  background:conic-gradient(from 0deg,#4f46e5,#f43f5e,#4f46e5); animation: so-spin 1.1s linear infinite; }
.so-ring-in { width:100%; height:100%; border-radius:50%; background:#0f172a; display:flex; align-items:center; justify-content:center; font-size:2.2rem; animation: so-spin-rev 1.1s linear infinite; }
.so-ring-in i { animation: lo-nudge 1s ease-in-out infinite; }
#session-overlay.done .so-ring { background:linear-gradient(135deg,#10b981,#059669); animation:none; box-shadow:0 0 0 0 rgba(16,185,129,.5), 0 14px 36px rgba(16,185,129,.4); animation: so-pop .6s cubic-bezier(.34,1.56,.64,1), so-glow 1.6s ease-out infinite .6s; }
#session-overlay.done .so-ring-in { animation:none; background:#0b3b2e; color:#34d399; }
#session-overlay.done .so-ring-in i { animation: so-pop .5s cubic-bezier(.34,1.56,.64,1); }
@keyframes so-spin { to{ transform:rotate(360deg) } }
@keyframes so-spin-rev { to{ transform:rotate(-360deg) } }
@keyframes so-pop  { 0%{transform:scale(.6)} 100%{transform:scale(1)} }
@keyframes so-glow { 0%{box-shadow:0 0 0 0 rgba(16,185,129,.5)} 100%{box-shadow:0 0 0 26px rgba(16,185,129,0)} }

/* ---- Welcome chip ---- */
#welcome-chip { position:fixed; top:calc(env(safe-area-inset-top,0px) + 14px); left:50%; z-index:9500; display:flex; align-items:center; gap:12px;
  padding:12px 20px 12px 14px; border-radius:60px; color:#fff; max-width:92%;
  background:linear-gradient(135deg,var(--primary),var(--accent)); box-shadow:0 14px 34px rgba(79,70,229,.45);
  transform:translate(-50%,-160%) scale(.9); opacity:0; transition:transform .65s cubic-bezier(.34,1.56,.64,1), opacity .3s; pointer-events:none; }
#welcome-chip.show { transform:translate(-50%,0) scale(1); opacity:1; }
.wc-emoji { width:38px; height:38px; border-radius:50%; background:rgba(255,255,255,.22); display:flex; align-items:center; justify-content:center; font-size:1.3rem; transform-origin:70% 70%; }
#welcome-chip.show .wc-emoji { animation: wc-wave 1.2s ease-in-out .5s 2; }
.wc-title { font-weight:800; font-size:.95rem; line-height:1.2; }
.wc-sub { font-size:.74rem; opacity:.85; margin-top:1px; }
@keyframes wc-wave { 0%,100%{transform:rotate(0)} 20%{transform:rotate(18deg)} 40%{transform:rotate(-12deg)} 60%{transform:rotate(16deg)} 80%{transform:rotate(-6deg)} }

/* drawer swap on login / logout */
#drawer-user:not(.guest-hidden), #drawer-guest.guest-show { animation: fx-fade-up .45s cubic-bezier(.22,1,.36,1) backwards; }

body.dark .lo-icon { background:linear-gradient(135deg,#7f1d1d,#881337); color:#fca5a5; }