:root {
    --bg: #f4f6f9; --panel: #fff; --ink: #1f2733; --muted: #7b8794;
    --line: #e6e9ef; --brand: #d68910; --brand-dark: #b9770e;
    --ok: #1e9e5a; --danger: #d64545; --warn: #e08a00;
}
* { box-sizing: border-box; }
body { margin: 0; font-family: -apple-system, "Segoe UI", Roboto, sans-serif; background: var(--bg); color: var(--ink); }

.layout { display: flex; min-height: 100vh; }
.sidebar { width: 220px; background: #1f2733; color: #cfd6e0; display: flex; flex-direction: column; }
.brand { padding: 20px 18px; font-weight: 700; color: #fff; border-bottom: 1px solid #2d3744; }
.sidebar nav { display: flex; flex-direction: column; padding: 10px 0; flex: 1; }
.sidebar nav a { color: #cfd6e0; text-decoration: none; padding: 11px 18px; font-size: 14px; }
.sidebar nav a:hover { background: #2d3744; color: #fff; }
.sidebar-foot { padding: 14px 18px; border-top: 1px solid #2d3744; font-size: 13px; display: flex; justify-content: space-between; align-items: center; }
.sidebar-foot a { color: var(--brand); text-decoration: none; }

.content { flex: 1; padding: 28px 32px; max-width: 1100px; }
.page-title { font-size: 1.4rem; margin: 0 0 22px; }
.muted { color: var(--muted); font-size: 13px; }

.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); gap: 16px; }
.card { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px; display: flex; flex-direction: column; gap: 6px; }
.card .num { font-size: 1.7rem; font-weight: 700; color: var(--brand-dark); }
.card .lbl { font-size: 13px; color: var(--muted); }
.card.warn { border-color: var(--warn); }

.table { width: 100%; border-collapse: collapse; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; overflow: hidden; }
.table th, .table td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); font-size: 14px; }
.table th { background: #fafbfc; color: var(--muted); font-weight: 600; }
.table tr:last-child td { border-bottom: none; }
.table .actions { display: flex; gap: 12px; align-items: center; }
.pos { color: var(--ok); } .neg { color: var(--danger); }

.btn { display: inline-block; background: var(--brand); color: #fff; padding: 9px 16px; border-radius: 8px; text-decoration: none; border: none; cursor: pointer; font-size: 14px; }
.btn:hover { background: var(--brand-dark); }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--line); }
.toolbar { margin-bottom: 16px; }
.link { background: none; border: none; cursor: pointer; color: var(--brand); font-size: 14px; padding: 0; }
.link.danger { color: var(--danger); }

.form { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 22px; max-width: 560px; }
.form label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 5px; }
.form label.check { display: flex; gap: 8px; align-items: center; }
.form input, .form select { width: 100%; padding: 9px 11px; border: 1px solid var(--line); border-radius: 8px; font-size: 14px; }
.form input[type=checkbox] { width: auto; }
.form .row { display: flex; gap: 16px; } .form .row > div { flex: 1; }
.form button { margin-top: 18px; background: var(--brand); color: #fff; border: none; padding: 10px 20px; border-radius: 8px; cursor: pointer; }

.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 20px; }
.panel h3 { margin-top: 0; }

.searchbar { display: flex; gap: 10px; margin-bottom: 18px; max-width: 480px; }
.searchbar input { flex: 1; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; }
.searchbar button { background: var(--brand); color: #fff; border: none; padding: 9px 18px; border-radius: 8px; cursor: pointer; }

.badge { background: #eef1f5; color: var(--muted); padding: 2px 9px; border-radius: 20px; font-size: 12px; }
.badge.ok { background: #e3f5ea; color: var(--ok); }

.alert { padding: 11px 15px; border-radius: 8px; margin-bottom: 18px; font-size: 14px; }
.alert.ok { background: #e3f5ea; color: var(--ok); }
.alert.error { background: #fbe7e7; color: var(--danger); }

.member-head { display: flex; justify-content: space-between; align-items: center; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 18px 22px; margin-bottom: 22px; }
.member-head strong { display: block; font-size: 1.1rem; }
.balance-box { text-align: right; } .balance-box .num { font-size: 1.6rem; font-weight: 700; color: var(--brand-dark); display: block; }
.balance-box .lbl { font-size: 12px; color: var(--muted); }

.auth-body { display: flex; align-items: center; justify-content: center; min-height: 100vh; }
.login-card { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 32px; width: 340px; }
.login-card h2 { margin-top: 0; }
.login-card label { display: block; font-size: 13px; color: var(--muted); margin: 14px 0 5px; }
.login-card input { width: 100%; padding: 10px 12px; border: 1px solid var(--line); border-radius: 8px; }
.login-card button { width: 100%; margin-top: 20px; background: var(--brand); color: #fff; border: none; padding: 11px; border-radius: 8px; cursor: pointer; font-size: 15px; }