:root{--paper:#fdf1f0;--card:#fffbfa;--ink:#2b2023;--muted:#7a5c62;--line:#f3dde0;--field-border:#9c7178;--pine:#a8395a;--pine-700:#8a2e4a;--pine-900:#3a1420;--river:#8a4a68;--river-700:#6e3a52;--clay:#9c5245;--gold:#b8823f;--gold-light:#f2b8c6;--radius:12px;--sans:"Public Sans",system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;--display:"Zilla Slab",Georgia,"Times New Roman",serif}*{box-sizing:border-box}body,html{height:100%}body{margin:0;font-family:var(--sans);color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}button{font-family:inherit}a{color:var(--river-700)}:focus-visible{outline:3px solid var(--pine-700);outline-offset:2px}.app-shell{display:grid;grid-template-columns:220px 340px 1fr;height:100vh}.sidebar{background:var(--card);border-right:1px solid var(--line);padding:18px 14px;display:flex;flex-direction:column;gap:22px;overflow-y:auto}.brand{font-family:var(--display);font-weight:700;font-size:1.05rem;color:var(--pine-700);padding:0 6px}.brand small{display:block;font-family:var(--sans);font-weight:600;font-size:.68rem;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:2px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5em;font-weight:700;font-size:.94rem;padding:10px 16px;border-radius:10px;border:2px solid transparent;cursor:pointer;text-decoration:none}.btn-primary{background:var(--pine);color:#fff}.btn-primary:hover{background:var(--pine-700)}.btn-ghost{background:var(--card);color:var(--pine-900);border-color:var(--field-border)}.btn-ghost:hover{border-color:var(--pine-900)}.btn-sm{padding:6px 12px;font-size:.82rem}.btn:disabled{opacity:.6;cursor:default}.nav-group{display:flex;flex-direction:column;gap:2px}.nav-group h3{font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin:0 0 6px 6px}.nav-item{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:9px 10px;border-radius:8px;cursor:pointer;color:var(--ink);font-size:.93rem;font-weight:600;background:transparent;border:none;text-align:left;width:100%}.nav-item:hover{background:#f7e1e6}.nav-item.active{background:var(--pine);color:#fff}.nav-item .count{font-size:.78rem;font-weight:700;opacity:.85}.nav-item .dot{width:8px;height:8px;border-radius:50%;display:inline-block;margin-right:6px}.identity{margin-top:auto;font-size:.78rem;color:var(--muted);padding:0 6px;display:flex;flex-direction:column;gap:6px}.identity button{align-self:flex-start}.list-pane{border-right:1px solid var(--line);display:flex;flex-direction:column;background:var(--paper)}.list-toolbar{display:flex;gap:8px;padding:12px 14px;border-bottom:1px solid var(--line);background:var(--card)}.search-input{flex:1 1;padding:9px 12px;border-radius:999px;border:1px solid var(--field-border);font:inherit;font-size:.9rem;background:#fffdf7;color:var(--ink)}.message-list{list-style:none;margin:0;padding:0;overflow-y:auto;flex:1 1}.message-row{display:grid;grid-template-columns:auto 1fr auto;align-items:start;grid-gap:4px 10px;gap:4px 10px;padding:12px 14px;border-bottom:1px solid var(--line);cursor:pointer;background:var(--paper)}.message-row:hover{background:#fbe7ec}.message-row.active{background:#f7dbe2}.message-row.unread .from,.message-row.unread .subject{font-weight:800}.message-row .star{grid-row:1/3;background:none;border:none;cursor:pointer;color:var(--field-border);font-size:1.1rem;padding:2px}.message-row .star.on{color:var(--gold)}.message-row .from{font-size:.88rem;color:var(--ink)}.message-row .time{font-size:.76rem;color:var(--muted);white-space:nowrap}.message-row .subject{grid-column:2/3;font-size:.88rem;color:var(--ink)}.message-row .snippet{grid-column:2/3;font-size:.82rem;color:var(--muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.thread-badge{font-size:.72rem;font-weight:700;color:var(--pine-700);background:#f7e3e8;border-radius:999px;padding:1px 7px;margin-left:6px}.empty-state{padding:40px 20px;text-align:center;color:var(--muted);font-size:.92rem}.detail-pane{overflow-y:auto;background:var(--paper)}.detail-header{padding:20px 28px;border-bottom:1px solid var(--line);background:var(--card);position:-webkit-sticky;position:sticky;top:0}.detail-header h1{font-family:var(--display);font-size:1.3rem;margin:0 0 8px}.detail-actions{display:flex;gap:8px}.thread-messages{padding:20px 28px;display:flex;flex-direction:column;gap:16px}.msg-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}.msg-card.out{border-left:4px solid var(--pine)}.msg-card.in{border-left:4px solid var(--river)}.msg-card .meta{display:flex;justify-content:space-between;gap:10px;font-size:.84rem;color:var(--muted);margin-bottom:10px}.msg-card .meta b{color:var(--ink)}.msg-card .body{font-size:.94rem;line-height:1.6;white-space:pre-wrap}.attachments{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.attachment-chip{display:inline-flex;align-items:center;gap:6px;font-size:.82rem;padding:6px 10px;border-radius:999px;background:var(--paper);border:1px solid var(--line);color:var(--ink);text-decoration:none;cursor:pointer}.attachment-chip:hover{border-color:var(--field-border)}.reply-box{padding:0 28px 28px}.reply-box textarea{width:100%;min-height:100px;font:inherit;font-size:.94rem;padding:12px 14px;border:1px solid var(--field-border);border-radius:10px;background:#fffdf7;color:var(--ink);resize:vertical}.reply-box .row{display:flex;justify-content:flex-end;gap:8px;margin-top:10px}.modal-backdrop{position:fixed;inset:0;background:rgba(58,20,32,.35);display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.modal{background:var(--card);border-radius:16px;width:min(640px,100%);max-height:90vh;overflow-y:auto;padding:24px;box-shadow:0 20px 60px -20px rgba(58,20,32,.5)}.modal h2{font-family:var(--display);margin:0 0 16px;font-size:1.25rem}.field{margin-bottom:14px}.field label{display:block;font-weight:600;font-size:.84rem;margin-bottom:5px;color:var(--muted)}.field input[type=email],.field input[type=file],.field input[type=password],.field input[type=text],.field textarea{width:100%;font:inherit;padding:10px 12px;border:1px solid var(--field-border);border-radius:8px;background:#fffdf7;color:var(--ink)}.field textarea{min-height:160px;resize:vertical}.modal-actions{display:flex;justify-content:flex-end;gap:8px;margin-top:6px}.hint{font-size:.78rem;color:var(--muted);margin-top:6px}.hint.error{color:#a8395a;font-weight:600}@media (max-width:980px){.app-shell{grid-template-columns:1fr;grid-template-rows:auto auto 1fr;height:auto;min-height:100vh}.sidebar{overflow-x:auto;border-right:none;border-bottom:1px solid var(--line)}.sidebar,.sidebar .nav-group{flex-direction:row}.identity{display:none}.list-pane{border-right:none;border-bottom:1px solid var(--line);max-height:40vh}}.login-shell{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px;background:linear-gradient(180deg,#fdf1f0,#f6dde1)}.login-card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:32px;width:min(400px,100%);box-shadow:0 20px 60px -30px rgba(58,20,32,.4)}.login-card h1{font-family:var(--display);font-size:1.4rem;margin:0 0 4px;color:var(--pine-700)}.login-card p.sub{color:var(--muted);font-size:.9rem;margin:0 0 24px}