:root {
  --bg: #0e1116;
  --bg-2: #161b22;
  --bg-3: #1c2330;
  --panel: #161b22;
  --border: #283041;
  --border-soft: #222a37;
  --text: #e6edf3;
  --text-dim: #8b97a7;
  --text-mut: #5e6a7a;
  --accent: #4f8cff;
  --accent-2: #3a6fd8;
  --green: #3fb950;
  --red: #f85149;
  --amber: #d29922;
  --purple: #a371f7;
  --radius: 10px;
  --shadow: 0 8px 30px rgba(0,0,0,.45);
  font-size: 15px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
a { color: var(--accent); text-decoration: none; cursor: pointer; }

/* ── Login ── */
.login-screen {
  position: fixed; inset: 0;
  display: flex; align-items: center; justify-content: center;
  background: radial-gradient(1200px 600px at 50% -10%, #1b2940 0%, var(--bg) 60%);
}
.login-card {
  width: 320px; padding: 32px 28px;
  background: var(--panel); border: 1px solid var(--border);
  border-radius: 14px; box-shadow: var(--shadow);
  display: flex; flex-direction: column; gap: 14px;
}
.login-logo { font-size: 26px; font-weight: 700; text-align: center; }
.login-sub { text-align: center; color: var(--text-dim); margin-top: -8px; margin-bottom: 6px; }
.login-btn { width: 100%; }
.login-err { color: var(--red); font-size: 13px; min-height: 16px; text-align: center; }

/* ── Layout ── */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; flex: none;
  background: var(--bg-2); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 18px 12px;
  position: sticky; top: 0; height: 100vh;
}
.brand { font-size: 19px; font-weight: 700; padding: 6px 10px 18px; }
.brand span { color: var(--text); }
.nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.nav-item {
  padding: 10px 12px; border-radius: 8px; color: var(--text-dim);
  font-size: 14px; user-select: none; transition: background .12s, color .12s;
}
.nav-item:hover { background: var(--bg-3); color: var(--text); }
.nav-item.active { background: var(--accent); color: #fff; }
.logout-btn { margin-top: 12px; }

.main { flex: 1; min-width: 0; padding: 26px 30px; }
.view { max-width: 1180px; margin: 0 auto; }

/* ── Headers ── */
.page-title { font-size: 22px; font-weight: 700; margin: 0 0 18px; }
.section-title { font-size: 15px; font-weight: 600; color: var(--text-dim); margin: 26px 0 12px; text-transform: uppercase; letter-spacing: .04em; }
.row { display: flex; gap: 12px; flex-wrap: wrap; align-items: center; }
.spacer { flex: 1; }

/* ── Cards ── */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 14px; }
.card {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 16px 18px;
}
.card .k { color: var(--text-dim); font-size: 13px; }
.card .v { font-size: 24px; font-weight: 700; margin-top: 6px; }
.card .v.green { color: var(--green); }
.card .v.amber { color: var(--amber); }
.card .v.blue { color: var(--accent); }

.panel {
  background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; margin-top: 18px;
}
.panel h3 { margin: 0 0 14px; font-size: 15px; }

/* ── Tables ── */
table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border-soft); white-space: nowrap; }
th { color: var(--text-dim); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: .03em; position: sticky; top: 0; background: var(--panel); }
tbody tr:hover { background: var(--bg-3); }
tr.clickable { cursor: pointer; }
.table-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: var(--radius); }
.muted { color: var(--text-mut); }
.num { font-variant-numeric: tabular-nums; }

/* ── Badges ── */
.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 12px; font-weight: 600; border: 1px solid transparent; }
.badge.paid, .badge.success, .badge.active, .badge.ACTIVE { background: rgba(63,185,80,.15); color: var(--green); }
.badge.pending, .badge.processing, .badge.created, .badge.submitted, .badge.paid_internal { background: rgba(210,153,34,.15); color: var(--amber); }
.badge.failed, .badge.refunded, .badge.DISABLED, .badge.EXPIRED, .badge.blocked { background: rgba(248,81,73,.15); color: var(--red); }
.badge.off { background: var(--bg-3); color: var(--text-mut); }
.badge.LIMITED { background: rgba(163,113,247,.15); color: var(--purple); }

/* ── Forms / inputs ── */
input, select, textarea {
  background: var(--bg); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 9px 11px; font-size: 14px; font-family: inherit; outline: none;
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); }
input::placeholder { color: var(--text-mut); }
textarea { width: 100%; resize: vertical; min-height: 120px; }
label { font-size: 13px; color: var(--text-dim); display: block; margin-bottom: 5px; }
.field { margin-bottom: 12px; }
.field-inline { display: flex; gap: 8px; align-items: center; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 12px; }

/* ── Buttons ── */
.btn {
  border: 1px solid var(--border); background: var(--bg-3); color: var(--text);
  padding: 9px 14px; border-radius: 8px; font-size: 14px; cursor: pointer;
  font-family: inherit; transition: filter .12s, background .12s;
}
.btn:hover { filter: brightness(1.15); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn-primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn-danger { background: rgba(248,81,73,.16); border-color: var(--red); color: var(--red); }
.btn-ghost { background: transparent; }
.btn-sm { padding: 5px 10px; font-size: 12.5px; }

/* ── Toasts ── */
.toasts { position: fixed; right: 18px; bottom: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast {
  background: var(--bg-3); border: 1px solid var(--border); border-left: 3px solid var(--accent);
  padding: 11px 16px; border-radius: 8px; box-shadow: var(--shadow); font-size: 13.5px;
  max-width: 340px; animation: slidein .18s ease;
}
.toast.err { border-left-color: var(--red); }
.toast.ok { border-left-color: var(--green); }
@keyframes slidein { from { transform: translateX(20px); opacity: 0; } to { transform: none; opacity: 1; } }

/* ── Modal ── */
.modal-backdrop {
  position: fixed; inset: 0; background: rgba(0,0,0,.6);
  display: flex; align-items: flex-start; justify-content: center; padding: 50px 16px;
  z-index: 90; overflow-y: auto;
}
.modal {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  width: 640px; max-width: 100%; padding: 22px 24px; box-shadow: var(--shadow);
}
.modal h2 { margin: 0 0 4px; font-size: 19px; }
.modal-close { float: right; cursor: pointer; color: var(--text-dim); font-size: 22px; line-height: 1; }
.modal-close:hover { color: var(--text); }

/* ── Misc ── */
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.search { min-width: 240px; flex: 1; max-width: 360px; }
.loading { color: var(--text-dim); padding: 30px; text-align: center; }
.empty { color: var(--text-mut); padding: 24px; text-align: center; }
.kv { display: grid; grid-template-columns: 160px 1fr; gap: 6px 12px; font-size: 13.5px; }
.kv dt { color: var(--text-dim); }
.kv dd { margin: 0; word-break: break-word; }
.chart { width: 100%; height: 180px; display: block; }
.chart-bar { fill: var(--accent); }
.chart-bar:hover { fill: var(--accent-2); }
.pos { color: var(--green); }
.neg { color: var(--red); }
.pagination { display: flex; gap: 8px; align-items: center; margin-top: 12px; justify-content: flex-end; color: var(--text-dim); font-size: 13px; }