:root{--bg:#f6f7f9;--panel:#fff;--ink:#1c2430;--muted:#66707d;--line:#e3e6ea;--accent:#1f5f8b;--accent-ink:#fff;--ok:#1e7d4f;--warn:#b26a00;--bad:#b3261e;--radius:8px;font-size:15px}
*{box-sizing:border-box}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.45}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}
.sidebar{background:#18222e;color:#d7dde5;padding:18px 14px;position:sticky;top:0;height:100vh;overflow:auto}
.sidebar .brand{font-weight:700;color:#fff;font-size:1.05rem;margin-bottom:14px;display:block}
.sidebar a.nav{display:block;color:#c2cbd6;padding:7px 10px;border-radius:6px;margin:2px 0;font-size:.95rem}
.sidebar a.nav:hover,.sidebar a.nav.active{background:#26364a;color:#fff;text-decoration:none}
.sidebar .sec{font-size:.72rem;text-transform:uppercase;letter-spacing:.06em;color:#7f8c9b;margin:14px 10px 4px}
.sidebar .user{margin-top:18px;border-top:1px solid #2c3a4b;padding-top:12px;font-size:.85rem;color:#9fb0c2}
.main{padding:22px 28px;max-width:1300px;width:100%}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;flex-wrap:wrap}
h1{font-size:1.45rem;margin:0}h2{font-size:1.15rem;margin:0 0 10px}h3{font-size:1rem;margin:0 0 8px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px;margin-bottom:16px}
.grid{display:grid;gap:16px}.grid.c2{grid-template-columns:repeat(2,1fr)}.grid.c3{grid-template-columns:repeat(3,1fr)}.grid.c4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1000px){.grid.c2,.grid.c3,.grid.c4{grid-template-columns:1fr}.layout{grid-template-columns:1fr}.sidebar{position:static;height:auto}}
.stat{padding:14px 16px}.stat .label{color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.04em}.stat .value{font-size:1.5rem;font-weight:600;margin-top:2px}
table{width:100%;border-collapse:collapse;font-size:.93rem}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}th{color:var(--muted);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
tr:hover td{background:#fafbfc}
.btn{display:inline-block;background:var(--accent);color:var(--accent-ink);border:1px solid var(--accent);padding:7px 13px;border-radius:6px;font-size:.92rem;cursor:pointer;font-family:inherit;line-height:1.3}
.btn:hover{filter:brightness(1.08);text-decoration:none}.btn.secondary{background:#fff;color:var(--ink);border-color:#c8ced6}.btn.danger{background:var(--bad);border-color:var(--bad)}.btn.small{padding:4px 9px;font-size:.82rem}.btn.ok{background:var(--ok);border-color:var(--ok)}
.btn:disabled{opacity:.5;cursor:not-allowed}
form.inline{display:inline}
label{display:block;font-size:.85rem;color:var(--muted);margin:10px 0 4px}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=datetime-local],input[type=tel],input[type=url],select,textarea{width:100%;padding:8px 10px;border:1px solid #c8ced6;border-radius:6px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:90px}input:focus,select:focus,textarea:focus{outline:2px solid #bcd6ea;border-color:var(--accent)}
.row{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:12px}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-top:14px}
.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.75rem;font-weight:600;background:#e8ecf1;color:#3c4652;text-transform:capitalize}
.badge.open,.badge.paid,.badge.signed,.badge.clear,.badge.converted{background:#dff3e8;color:var(--ok)}
.badge.sent,.badge.viewed,.badge.pending,.badge.new,.badge.partial{background:#e4eefb;color:#1f4f8b}
.badge.overdue,.badge.void,.badge.conflict,.badge.declined,.badge.closed{background:#f8e0de;color:var(--bad)}
.badge.draft,.badge.waived,.badge.unresolved{background:#f4e9d2;color:var(--warn)}
.muted{color:var(--muted)}.small{font-size:.85rem}.right{text-align:right}.nowrap{white-space:nowrap}
.flash{padding:10px 14px;border-radius:6px;margin-bottom:14px;background:#e4eefb;color:#1f4f8b}.flash.error{background:#f8e0de;color:var(--bad)}.flash.ok{background:#dff3e8;color:var(--ok)}
.empty{color:var(--muted);padding:18px;text-align:center}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px;flex-wrap:wrap}.tabs a{padding:8px 12px;border-bottom:2px solid transparent;color:var(--muted)}.tabs a.active{border-color:var(--accent);color:var(--ink);font-weight:600}
.timerbar{background:#fff7e0;border:1px solid #f1d58a;border-radius:6px;padding:6px 10px;font-size:.9rem;display:flex;gap:10px;align-items:center}
.auth{max-width:420px;margin:60px auto;padding:0 16px}
.public{max-width:820px;margin:30px auto;padding:0 16px}
.letter{background:#fff;border:1px solid var(--line);padding:36px 44px;border-radius:8px;font-family:Georgia,serif;font-size:1.02rem;line-height:1.6}
.kv{display:grid;grid-template-columns:160px 1fr;gap:4px 12px;font-size:.93rem}.kv dt{color:var(--muted)}.kv dd{margin:0}
.searchbar{display:flex;gap:8px;align-items:center}.searchbar input{max-width:360px}
details summary{cursor:pointer;color:var(--accent)}
.timeline{list-style:none;padding:0;margin:0;font-size:.88rem}.timeline li{padding:4px 0;border-bottom:1px dashed var(--line)}
pre.code{background:#f1f3f5;padding:10px;border-radius:6px;overflow:auto;font-size:.85rem}
@media print{.sidebar,.topbar .actions,.no-print{display:none}.layout{display:block}.main{padding:0}}