:root{color-scheme:dark;--ink:#f0f4f2;--muted:#aab6af;--line:#2e4139;--accent:#9ce3c1;--panel:#13221d;--bg:#0a1310}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 50% 0%,#234333 0,transparent 42%),var(--bg);color:var(--ink);font:15px/1.5 Inter,Segoe UI,system-ui,sans-serif}
.gate-shell{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;padding:32px 20px}
.brand{margin-bottom:28px;color:var(--ink);font-size:14px;font-weight:800;letter-spacing:.16em;text-decoration:none}
.brand span{color:var(--accent)}
.gate-card{width:min(100%,460px);padding:34px;border:1px solid var(--line);border-radius:16px;background:#111d19ef;box-shadow:0 20px 70px #0005}
.eyebrow{margin:0 0 8px;color:var(--accent);font-size:10px;font-weight:800;letter-spacing:.16em}
h1{margin:0;font-size:27px;letter-spacing:-.035em}
.intro,.muted{color:var(--muted)}
.intro{margin:9px 0 26px;font-size:13px}
form{display:grid;gap:9px}
label{margin-top:5px;font-size:12px;font-weight:650}
input,textarea{width:100%;padding:12px 13px;border:1px solid #40554c;border-radius:8px;background:#0b1511;color:var(--ink);font:inherit}
textarea{resize:vertical}
input:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
button{margin-top:12px;padding:12px 15px;border:1px solid var(--accent);border-radius:8px;background:var(--accent);color:#0b1912;font:700 13px/1.2 Inter,Segoe UI,system-ui,sans-serif;cursor:pointer}
button:disabled{cursor:wait;opacity:.65}
.secondary{border-color:#51665c;background:transparent;color:var(--ink)}
.app-shell{width:min(100%,900px);padding:16px 0}
.app-header,.toolbar,.message-heading{display:flex;align-items:center;justify-content:space-between;gap:16px}
.app-header{margin-bottom:24px;padding-bottom:16px;border-bottom:1px solid var(--line)}
.app-user{margin:0;color:var(--muted);font-size:12px}
.mailbox-panel,.message-view{padding:24px;border:1px solid var(--line);border-radius:14px;background:#111d19ed}
.toolbar{margin-bottom:20px}
.toolbar h1,.toolbar h2{margin:0;font-size:22px}
.toolbar p{margin:4px 0 0;font-size:12px}
.toolbar-actions{display:flex;gap:8px;flex-wrap:wrap}
.toolbar-actions button{margin:0}
.message-list{overflow:hidden;border:1px solid var(--line);border-radius:10px}
.message-row{display:block;width:100%;margin:0;padding:14px 16px;border:0;border-bottom:1px solid var(--line);border-radius:0;background:transparent;color:var(--ink);text-align:left}
.message-row:last-child{border-bottom:0}
.message-row:hover{background:#9ce3c10a}
.message-row.unread strong,.message-row.unread .message-subject{color:var(--accent)}
.message-heading{font-size:12px}
.message-heading time{color:var(--muted);font-size:11px;font-weight:400}
.message-subject{display:block;margin-top:4px;color:#c8d2cc;font-size:13px}
.empty-state{margin:0;padding:24px;color:var(--muted);text-align:center}
.text-button{margin:14px 0 0;padding:4px 0;border:0;background:transparent;color:var(--muted);font:inherit;text-align:left}
.message-view h1{margin:14px 0 6px;overflow-wrap:anywhere}
.message-view .muted{font-size:12px}
.message-body{margin:20px 0 0;white-space:pre-wrap;overflow-wrap:anywhere;font:14px/1.65 Inter,Segoe UI,system-ui,sans-serif}
.compose-dialog{width:min(100% - 32px,560px);max-height:calc(100% - 32px);padding:24px;border:1px solid var(--line);border-radius:14px;background:#111d19;color:var(--ink)}
.compose-dialog::backdrop{background:#000a;backdrop-filter:blur(3px)}
.compose-dialog .toolbar{margin-bottom:18px}
.compose-dialog .toolbar h2{font-size:20px}
.compose-dialog .toolbar button{margin:0;padding:6px 11px}
.status{min-height:20px;margin:14px 0 0;color:#ffb9a8;font-size:12px}
.footer-note{margin:18px 0 0;color:#87958d;font-size:11px;text-align:center}
[hidden]{display:none!important}
@media(max-width:600px){.app-shell{padding:8px 0}.mailbox-panel,.message-view{padding:16px}.toolbar{align-items:flex-start;flex-direction:column}.toolbar-actions{width:100%}.toolbar-actions button{flex:1}.gate-card{padding:26px 21px}h1{font-size:24px}.app-header{align-items:flex-start}}