:root{--inbox-ink:#101113;--inbox-muted:#74777b;--inbox-line:#e6e6e6;--inbox-accent:#ff4d00}
*{box-sizing:border-box}
.inbox-body{margin:0;background:#f6f6f6;color:var(--inbox-ink);font-family:Manrope,Arial,sans-serif}
.inbox-shell{width:min(100%,720px);min-height:100dvh;margin:0 auto;background:#fff;padding-bottom:118px}
.inbox-header{position:sticky;z-index:8;top:0;display:grid;grid-template-columns:64px 1fr 64px;align-items:center;min-height:112px;padding:18px 24px;background:rgba(255,255,255,.88);border-bottom:1px solid var(--inbox-line);backdrop-filter:blur(20px)}
.inbox-header h1{margin:0;text-align:center;font-size:21px;letter-spacing:-.04em}
.inbox-back{display:grid;place-items:center;width:52px;height:52px;border-radius:50%;color:var(--inbox-ink);background:#fff;box-shadow:0 10px 30px rgba(0,0,0,.08)}
.inbox-back svg{width:25px;height:25px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.inbox-state{min-height:calc(100dvh - 230px);display:flex;flex-direction:column;justify-content:center;align-items:center;text-align:center;padding:40px 32px}
.inbox-state h2{font-size:21px;letter-spacing:-.04em;margin:18px 0 8px}
.inbox-state p{max-width:410px;color:var(--inbox-muted);font-size:15px;line-height:1.65;margin:0}
.inbox-loader{width:28px;height:28px;border:2px solid #ddd;border-top-color:var(--inbox-ink);border-radius:50%;animation:inbox-spin .8s linear infinite}
.inbox-state .state-action{display:inline-flex;align-items:center;justify-content:center;min-width:170px;margin-top:24px;padding:14px 22px;border-radius:999px;background:var(--inbox-ink);color:#fff;text-decoration:none;font-weight:800}
@keyframes inbox-spin{to{transform:rotate(360deg)}}
.inbox-list{padding:22px 24px 50px}
.inbox-card{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto 20px;gap:10px;width:100%;padding:22px 4px;border:0;border-bottom:1px solid var(--inbox-line);background:#fff;text-align:left;color:var(--inbox-ink);cursor:pointer}
.inbox-card:first-child{border-top:1px solid var(--inbox-line)}
.inbox-card-copy{min-width:0}
.inbox-card-top{display:flex;align-items:center;gap:8px;margin-bottom:7px}
.inbox-card h2{overflow:hidden;margin:0;font-size:17px;line-height:1.35;letter-spacing:-.03em;text-overflow:ellipsis;white-space:nowrap}
.inbox-card p{overflow:hidden;margin:0;color:var(--inbox-muted);font-size:13px;line-height:1.5;text-overflow:ellipsis;white-space:nowrap}
.inbox-card time{color:#8c8e91;font-size:11px;white-space:nowrap}
.unread-dot{flex:0 0 8px;width:8px;height:8px;border-radius:50%;background:var(--inbox-accent)}
.inbox-card.is-read .unread-dot{display:none}
.inbox-card-arrow{align-self:center;font-size:31px;font-weight:300}
.message-dialog{width:min(calc(100% - 32px),620px);max-height:calc(100dvh - 44px);padding:0;border:0;border-radius:26px;box-shadow:0 30px 90px rgba(0,0,0,.25)}
.message-dialog::backdrop{background:rgba(0,0,0,.42);backdrop-filter:blur(6px)}
.message-dialog article{position:relative;padding:38px 32px 36px}
.message-close{position:absolute;top:18px;right:18px;width:42px;height:42px;border:0;border-radius:50%;background:#f2f2f2;font-size:25px;cursor:pointer}
.message-date{display:block;padding-right:50px;color:var(--inbox-muted);font-size:12px}
.message-dialog h2{margin:15px 48px 22px 0;font-size:27px;line-height:1.2;letter-spacing:-.05em}
.message-body{font-size:15px;line-height:1.75;white-space:pre-wrap}
.message-signature{margin:28px 0 0;font-weight:800}
@media(min-width:851px){
  .inbox-shell{margin:50px auto;border-radius:30px;min-height:calc(100dvh - 100px);overflow:hidden;box-shadow:0 18px 65px rgba(0,0,0,.08)}
  .inbox-body .mobile-bottom-nav{display:none}
}
@media(max-width:520px){
  .inbox-header{min-height:106px;padding:16px 22px;grid-template-columns:58px 1fr 58px}
  .inbox-back{width:48px;height:48px}
  .inbox-list{padding-inline:27px}
  .message-dialog article{padding:34px 25px 30px}
}