:root{--ink:#171917;--muted:#6c716b;--line:#dfe3dc;--paper:#f5f5f0;--accent:#d8ff3e;--dark:#182018;--white:#fff;--danger:#b12c2c}*{box-sizing:border-box}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",sans-serif;background:var(--paper);color:var(--ink)}button,input{font:inherit}.hidden{display:none!important}.login-shell{min-height:100vh;display:grid;grid-template-columns:minmax(420px,1fr) minmax(320px,.72fr);padding:32px;gap:18px}.login-panel,.login-aside{border:1px solid var(--line);border-radius:26px;padding:clamp(32px,6vw,88px);background:var(--white)}.login-panel{display:flex;flex-direction:column;justify-content:center}.login-aside{background:var(--dark);color:var(--white);display:flex;flex-direction:column;justify-content:space-between}.login-aside span{color:var(--accent);font-size:13px;text-transform:uppercase;letter-spacing:.18em}.login-aside strong{font-size:clamp(34px,5vw,74px);line-height:.98}.brand-mark{width:68px;height:68px;border-radius:18px;background:var(--accent);display:grid;place-items:center;font-size:30px;font-weight:900;margin-bottom:38px}.brand-mark.small{width:36px;height:36px;border-radius:10px;font-size:16px;margin:0}.eyebrow{font-size:11px;letter-spacing:.18em;font-weight:800;color:var(--muted);margin:0 0 10px}.login-panel h1{font-size:clamp(38px,5vw,72px);line-height:1;letter-spacing:-.055em;max-width:760px;margin:0 0 20px}.muted{color:var(--muted);font-size:17px}.login-panel form{max-width:520px;margin-top:38px;display:grid;gap:18px}label{font-size:13px;font-weight:700;display:grid;gap:8px}input{border:1px solid var(--line);border-radius:12px;padding:15px 16px;background:#fbfcf8;outline:none}input:focus{border-color:#6e7e30;box-shadow:0 0 0 3px #eafe9e}button{border:0;border-radius:11px;padding:14px 18px;background:var(--dark);color:white;font-weight:750;cursor:pointer}button:hover{filter:brightness(1.12)}.error{color:var(--danger);min-height:20px;margin:0}.app-shell{min-height:100vh;background:var(--paper)}header{height:74px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px;background:rgba(255,255,255,.86);backdrop-filter:blur(16px)}.brand,.account{display:flex;align-items:center;gap:12px}.account{color:var(--muted);font-size:13px}.ghost{background:transparent;color:var(--ink);border:1px solid var(--line);padding:9px 12px}.workspace{display:grid;grid-template-columns:220px minmax(330px,430px) 1fr;min-height:calc(100vh - 74px)}nav,.message-list-panel{border-right:1px solid var(--line)}nav{padding:34px 18px;background:#eef0e9}.nav-item{width:100%;display:flex;justify-content:space-between;background:var(--dark);padding:13px 14px}.nav-item b{background:var(--accent);color:var(--dark);min-width:24px;border-radius:10px}.nav-note{font-size:12px;line-height:1.55;color:var(--muted);margin:28px 8px}.message-list-panel{background:#fafbf7;overflow:auto;max-height:calc(100vh - 74px)}.panel-title{padding:28px 24px 20px;display:flex;justify-content:space-between;align-items:end}.panel-title h2{margin:0;font-size:30px;letter-spacing:-.04em}.message-list{border-top:1px solid var(--line)}.message-row{width:100%;text-align:left;background:transparent;color:var(--ink);border-radius:0;border-bottom:1px solid var(--line);padding:18px 22px;display:grid;gap:6px}.message-row:hover,.message-row.selected{background:#eff5d8;filter:none}.message-row.unread .sender,.message-row.unread .subject{font-weight:850}.message-row .top{display:flex;justify-content:space-between;gap:10px}.sender,.date{font-size:12px}.date{color:var(--muted);white-space:nowrap}.subject{font-size:15px}.preview{font-size:12px;color:var(--muted);line-height:1.45;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.message-view{padding:clamp(28px,5vw,70px);overflow:auto;max-height:calc(100vh - 74px);background:var(--white)}.empty-state{height:100%;display:grid;place-content:center;text-align:center;color:var(--muted)}.empty-state span{font-size:42px}.mail-subject{font-size:clamp(30px,4vw,58px);line-height:1.04;letter-spacing:-.05em;margin:10px 0 24px}.mail-meta{padding:18px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);display:grid;gap:6px;color:var(--muted);font-size:13px}.mail-body{white-space:pre-wrap;line-height:1.7;font-family:ui-monospace,SFMono-Regular,Consolas,monospace;font-size:14px;padding:30px 0;max-width:900px}.mail-actions{display:flex;gap:10px}.danger{background:#fff1f1;color:var(--danger);border:1px solid #efcaca}@media(max-width:950px){.login-shell{grid-template-columns:1fr}.login-aside{display:none}.workspace{grid-template-columns:80px 330px 1fr}nav .eyebrow,.nav-item span,.nav-note{display:none}.nav-item{justify-content:center}}@media(max-width:700px){.login-shell{padding:12px}.login-panel{padding:28px}.workspace{display:block}.workspace nav{display:none}.message-list-panel{max-height:none}.message-view{display:none}.message-view.mobile-open{display:block;position:fixed;inset:74px 0 0;z-index:4}.account span{display:none}}