:root{--color-primary:#4a6e8a;--color-primary-dark:#375670;--color-secondary:#b8cad8;--color-bg:#fff;--color-panel:#f5f7fa;--color-accent:#e8856b;--color-accent-dark:#d36a4f;--color-text:#1f2937;--color-text-muted:#6b7280;--color-border:#e5e7eb;--color-danger:#b91c1c;--font-sans:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;--radius:8px;--shadow-sm:0 1px 2px #0000000d;--shadow-md:0 4px 12px #00000014}*{box-sizing:border-box}html,body{font-family:var(--font-sans);color:var(--color-text);background:var(--color-bg);height:100%;margin:0;padding:0}#app{min-height:100vh}.auth-shell{background:var(--color-panel);flex-direction:column;justify-content:center;align-items:center;min-height:100vh;padding:32px 16px;display:flex}.auth-card{background:var(--color-bg);border-radius:var(--radius);box-shadow:var(--shadow-md);width:100%;max-width:420px;padding:40px}.auth-header{align-items:center;gap:10px;margin-bottom:24px;display:flex}.auth-header h1{color:var(--color-primary);margin:0;font-size:22px}.auth-card h2{margin:0 0 8px;font-size:20px}.auth-card p.lead{color:var(--color-text-muted);margin:0 0 20px}.form-field{flex-direction:column;gap:6px;margin-bottom:16px;display:flex}.form-field label{font-size:14px;font-weight:500}.form-field input{border:1px solid var(--color-border);border-radius:var(--radius);padding:10px 12px;font-family:inherit;font-size:15px}.form-field input:focus{outline:2px solid var(--color-primary);outline-offset:-1px;border-color:var(--color-primary)}.form-error{color:var(--color-danger);min-height:1em;margin:0 0 12px;font-size:13px}button.primary{background:var(--color-accent);color:#fff;border-radius:var(--radius);cursor:pointer;border:none;width:100%;padding:12px;font-size:15px;font-weight:500}button.primary:hover{background:var(--color-accent-dark)}.auth-footer{text-align:center;color:var(--color-text-muted);margin-top:16px;font-size:14px}.auth-footer a{color:var(--color-primary)}.method-list{flex-direction:column;gap:12px;margin-bottom:16px;display:flex}.method-card{border:1px solid var(--color-border);border-radius:var(--radius);cursor:pointer;text-align:left;background:#fff;align-items:center;gap:14px;width:100%;padding:16px;font-family:inherit;transition:border-color .15s;display:flex}.method-card:hover{border-color:var(--color-primary)}.method-card .icon{text-align:center;width:36px;font-size:24px}.method-card .text .title{font-weight:500}.method-card .text .desc{color:var(--color-text-muted);font-size:13px}.qr-wrap{justify-content:center;margin:20px 0;display:flex}.manual-key{background:var(--color-panel);border-radius:var(--radius);word-break:break-all;margin-top:8px;padding:10px;font-family:monospace;font-size:14px}details{margin-bottom:16px;font-size:14px}.inbox{grid-template-rows:56px 1fr;grid-template-columns:220px 1fr;height:100vh;display:grid}.inbox-header{background:var(--color-primary);color:#fff;grid-column:1/-1;justify-content:space-between;align-items:center;padding:0 20px;display:flex}.inbox-header .brand{align-items:center;gap:8px;font-size:18px;font-weight:600;display:flex}.inbox-header .signout{color:#fff;border-radius:var(--radius);cursor:pointer;background:0 0;border:1px solid #ffffff80;padding:6px 12px;font-family:inherit;font-size:14px}.inbox-sidebar{background:var(--color-panel);border-right:1px solid var(--color-border);padding:16px 12px}.inbox-sidebar button{text-align:left;border-radius:var(--radius);cursor:pointer;width:100%;color:var(--color-text);background:0 0;border:none;margin-bottom:2px;padding:8px 12px;font-family:inherit;font-size:14px;display:block}.inbox-sidebar button.active{background:var(--color-secondary);font-weight:500}.inbox-main{grid-template-columns:360px 1fr;display:grid;overflow:hidden}.email-list{border-right:1px solid var(--color-border);overflow-y:auto}.email-row{border-bottom:1px solid var(--color-border);cursor:pointer;padding:14px 16px}.email-row:hover{background:var(--color-panel)}.email-row.active{background:var(--color-secondary)}.email-row .from{margin-bottom:2px;font-size:14px;font-weight:600}.email-row .subject{margin-bottom:2px;font-size:14px}.email-row .snippet{color:var(--color-text-muted);text-overflow:ellipsis;white-space:nowrap;font-size:13px;overflow:hidden}.email-read{padding:24px 32px;overflow-y:auto}.email-read h2{margin:0 0 8px;font-size:22px}.email-read .meta{color:var(--color-text-muted);margin-bottom:20px;font-size:13px}.email-read .body{white-space:pre-wrap;font-size:15px;line-height:1.6}.email-read .body a.phish-link{background:var(--color-accent);color:#fff;border-radius:var(--radius);margin:12px 0;padding:10px 18px;text-decoration:none;display:inline-block}.empty-read{color:var(--color-text-muted);text-align:center;padding:40px}.heron-logo{flex-shrink:0;width:28px;height:28px}