:root{--navy: #032d60;--teal: #0d9488;--teal-dark: #0f766e;--page: #eef2f6;--card: #ffffff;--text: #121c4a;--muted: #64748b;--line: #d9e2ec;--error: #d32f2f;--new: #ed6c02}*{box-sizing:border-box}html,body,#root{min-height:100%}body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,sans-serif;background:var(--page);color:var(--text)}h1,h2,h3{margin:0}a{color:var(--teal-dark)}button,input{font:inherit}.center-state{min-height:100vh;display:grid;place-items:center;color:var(--muted)}.login-page{min-height:100vh;display:grid;place-items:center;padding:24px}.login-card,.inbox-header,.message-list,.message-detail{background:var(--card);border:1px solid var(--line);border-radius:16px}.login-card{width:min(420px,100%);padding:32px;display:grid;gap:14px}.brand-kicker{margin:0;color:var(--teal);font-weight:700;letter-spacing:.04em;text-transform:uppercase;font-size:12px}.login-copy,.muted{color:var(--muted);line-height:1.5}.setup-steps{margin:0;padding-left:18px;color:var(--text);line-height:1.6}.setup-steps code{font-size:13px}.login-card label{display:grid;gap:6px;font-size:14px;font-weight:600}.login-card input{padding:12px 14px;border:1px solid var(--line);border-radius:10px}.login-card button,.ghost{border:0;border-radius:10px;padding:12px 16px;cursor:pointer}.login-card button{background:var(--navy);color:#fff;font-weight:600}.login-card button:disabled{opacity:.7;cursor:default}.form-error,.banner-error{color:var(--error);margin:0}.banner-error{padding:0 24px 8px}.ghost{background:transparent;color:var(--navy);border:1px solid var(--line)}.inbox-shell{min-height:100vh;display:grid;grid-template-rows:auto auto 1fr;gap:16px;padding:20px}.inbox-header{display:flex;justify-content:space-between;align-items:center;padding:16px 20px}.header-meta{display:flex;align-items:center;gap:12px;color:var(--muted)}.inbox-nav{display:flex;gap:8px;margin-top:12px}.inbox-nav a{text-decoration:none;color:var(--muted);font-size:14px;font-weight:600;padding:6px 10px;border-radius:8px}.inbox-nav a.active{color:var(--teal-dark);background:#e6f4f1}.star-label{color:var(--new);letter-spacing:.04em}.inbox-layout{display:grid;grid-template-columns:minmax(280px,380px) 1fr;gap:16px;min-height:0}.message-list,.message-detail{padding:16px;min-height:70vh;overflow:auto}.message-list ul{list-style:none;margin:12px 0 0;padding:0;display:grid;gap:8px}.message-row{width:100%;text-align:left;background:var(--page);border:1px solid transparent;border-radius:12px;padding:12px;cursor:pointer}.message-row.active{border-color:var(--teal);background:#e6f4f1}.row-top{display:flex;justify-content:space-between;gap:8px}.row-email,.row-preview,.row-meta{margin:4px 0 0;font-size:13px}.row-email,.row-meta{color:var(--muted)}.status{font-size:11px;text-transform:uppercase;letter-spacing:.04em;font-weight:700;color:var(--teal-dark)}.status-new{color:var(--new)}.detail-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:16px}dl{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px;margin:0 0 20px}dt{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em}dd{margin:4px 0 0}.detail-body{white-space:pre-wrap;line-height:1.6}@media(max-width:840px){.inbox-layout{grid-template-columns:1fr}.message-list,.message-detail{min-height:auto}}