*{box-sizing:border-box}
:root{
  font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  color:#111827;background:#f4f6f9
}
html,body{margin:0;min-height:100%}
body{
  min-height:100vh;
  background:
    radial-gradient(circle at 15% 0%,rgba(255,255,255,.92),transparent 42%),
    linear-gradient(180deg,#f9fafb 0%,#edf1f6 100%);
  padding:24px
}
.shell{width:min(100%,620px);margin:0 auto}
.brand{display:flex;align-items:center;gap:12px;margin:8px 0 30px}
.brand .mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:#111827;color:#fff;font-weight:800;box-shadow:0 8px 24px rgba(17,24,39,.14)
}
.brand strong,.brand span{display:block}
.brand span{font-size:13px;color:#6b7280;margin-top:2px}
.card,.join-panel{
  background:#fff;border:1px solid #e5e7eb;border-radius:24px;padding:30px;
  box-shadow:0 22px 60px rgba(15,23,42,.08)
}
.kicker{margin:0 0 9px;font-size:12px;letter-spacing:.14em;font-weight:800;color:#6b7280}
h1{margin:0;font-size:clamp(30px,7vw,44px);line-height:1.03;letter-spacing:-.03em}
.lead{color:#4b5563;line-height:1.55;margin:14px 0 28px}
.language-picker{width:min(100%,500px);text-align:left}
.field-label{display:block;font-weight:800;margin:0 0 9px}
.language-dropdown{position:relative}
.language-button{
  width:100%;min-height:62px;padding:9px 48px 9px 12px;
  display:flex;align-items:center;gap:12px;text-align:left;
  border:1px solid #cfd5df;border-radius:15px;background:#fff;color:#111827;
  box-shadow:none;font:inherit;font-weight:700;cursor:pointer
}
.language-button:focus{outline:none;border-color:#111827;box-shadow:0 0 0 4px rgba(17,24,39,.08)}
.language-placeholder{color:#6b7280;font-weight:650}
.chevron{position:absolute;right:17px;top:50%;transform:translateY(-56%);font-size:23px;color:#6b7280;pointer-events:none}
.language-menu{
  position:absolute;z-index:20;left:0;right:0;top:calc(100% + 8px);
  max-height:min(56vh,440px);overflow:auto;
  padding:7px;background:#fff;border:1px solid #d7dce5;border-radius:16px;
  box-shadow:0 22px 55px rgba(15,23,42,.16)
}
.language-option{
  width:100%;display:grid;grid-template-columns:38px minmax(0,1fr);
  align-items:center;gap:11px;padding:10px 11px;border:0;border-radius:11px;
  background:#fff;color:#111827;text-align:left;cursor:pointer
}
.language-option:hover,.language-option:focus{background:#f3f5f8;outline:none}
.language-option img,.language-selected img{
  width:34px;height:23px;object-fit:cover;border-radius:3px;
  box-shadow:0 0 0 1px rgba(15,23,42,.12)
}
.language-option strong,.language-selected strong{display:block;font-size:15px;line-height:1.15}
.language-option small,.language-selected small{display:block;margin-top:3px;font-size:12px;color:#7b8492;font-weight:600}
.language-selected{display:grid;grid-template-columns:38px minmax(0,1fr);align-items:center;gap:11px}
input,button{font:inherit}
input{width:100%;padding:14px 15px;border:1px solid #d1d5db;border-radius:14px;background:#fff;outline:none}
button{font-weight:800}
.primary{
  width:100%;border:0;border-radius:14px;padding:14px 16px;
  background:#111827;color:#fff;margin-top:18px;cursor:pointer
}
.status,.hint{color:#6b7280;line-height:1.5}
.status{min-height:24px;margin:14px 0 0}
.invite{margin-top:20px;padding-top:20px;border-top:1px solid #e5e7eb}
.invite label{font-weight:700;display:block;margin-bottom:8px}
.invite button{width:100%;margin-top:10px;border:0;border-radius:14px;padding:14px 16px;cursor:pointer}

body.in-meeting{
  padding:0;overflow:hidden;
  background:
    radial-gradient(circle at 50% 42%,rgba(255,255,255,.98) 0%,rgba(244,247,251,.94) 38%,#e8edf4 100%)
}
body.in-meeting .brand,
body.in-meeting #organizer,
body.in-meeting #joinPanel{display:none!important}
body.in-meeting .shell{width:100%;height:100vh;margin:0}
.meeting-stage{
  position:fixed;inset:0;display:grid;place-items:center;
  perspective:1200px;overflow:hidden
}
.meeting-stage[hidden]{display:none}
.flag-scene{
  position:relative;width:min(72vw,430px);height:min(48vw,300px);
  display:grid;place-items:center;transform-style:preserve-3d
}
.flag-pole{
  position:absolute;left:4%;top:8%;bottom:8%;width:5px;border-radius:5px;
  background:linear-gradient(90deg,#7d8798,#e8edf3,#626d7d);
  box-shadow:0 8px 18px rgba(15,23,42,.15);z-index:1
}
.flag-wave-shell{
  position:relative;z-index:2;width:88%;
  transform-origin:4% 50%;overflow:hidden;border-radius:5px;
  filter:drop-shadow(0 20px 20px rgba(15,23,42,.18));
  animation:flag-wave 1.9s cubic-bezier(.42,0,.58,1) infinite;
  will-change:transform
}
.waving-flag{
  width:100%;height:auto;display:block;
  transform:scale(1.03);
  animation:flag-ripple 1.9s ease-in-out infinite;
  will-change:transform,filter
}
.flag-highlight{
  position:absolute;inset:-4% -6%;
  background:
    linear-gradient(98deg,
      rgba(255,255,255,.22) 0%,
      rgba(255,255,255,.03) 25%,
      rgba(0,0,0,.10) 48%,
      rgba(255,255,255,.10) 68%,
      rgba(0,0,0,.05) 100%);
  mix-blend-mode:soft-light;pointer-events:none;
  animation:flag-light 1.9s ease-in-out infinite
}
.flag-shadow{
  position:absolute;left:17%;right:4%;bottom:0;height:24px;border-radius:50%;
  background:rgba(15,23,42,.12);filter:blur(14px);
  animation:shadow-wave 1.9s ease-in-out infinite
}
@keyframes flag-wave{
  0%,100%{transform:rotateY(-7deg) rotateZ(-.8deg) skewY(.4deg) translate3d(0,0,0) scaleX(.985)}
  25%{transform:rotateY(9deg) rotateZ(.5deg) skewY(-1deg) translate3d(4px,-3px,13px) scaleX(1.015)}
  50%{transform:rotateY(-2deg) rotateZ(.8deg) skewY(.8deg) translate3d(0,2px,5px) scaleX(.99)}
  75%{transform:rotateY(11deg) rotateZ(-.4deg) skewY(-.7deg) translate3d(5px,-2px,16px) scaleX(1.02)}
}
@keyframes flag-ripple{
  0%,100%{transform:scale(1.03) skewX(-.4deg);filter:brightness(1)}
  50%{transform:scale(1.045) skewX(.6deg);filter:brightness(.97)}
}
@keyframes flag-light{
  0%,100%{transform:translateX(-9%) skewX(-5deg);opacity:.5}
  50%{transform:translateX(10%) skewX(5deg);opacity:.82}
}
@keyframes shadow-wave{
  0%,100%{transform:scaleX(.91);opacity:.11}
  50%{transform:scaleX(1.08);opacity:.16}
}
.visually-hidden{
  position:absolute!important;width:1px!important;height:1px!important;padding:0!important;margin:-1px!important;
  overflow:hidden!important;clip:rect(0,0,0,0)!important;white-space:nowrap!important;border:0!important
}
@media(max-width:520px){
  body{padding:16px}
  .join-panel,.card{padding:24px}
  .brand{margin-bottom:22px}
  .language-picker{width:100%}
  .flag-scene{width:88vw;height:64vw}
  .flag-wave-shell{width:90%}
}
@media(prefers-reduced-motion:reduce){
  .flag-wave-shell,.waving-flag,.flag-highlight,.flag-shadow{animation-duration:5s}
}