:root {
  --bg: #0f1115;
  --panel: #181b22;
  --panel-2: #1f232d;
  --border: #2a2f3a;
  --text: #e6e8ec;
  --muted: #8a93a3;
  --accent: #4a9eff;
  --green: #2ecc71;
  --red: #e74c3c;
  --yellow: #f1c40f;
  --radius: 10px;
  --gap: 16px;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.5;
}

.app {
  max-width: 1100px;
  margin: 0 auto;
  padding: 24px 16px 60px;
}

/* Header */
.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  flex-wrap: wrap;
  gap: 12px;
}
.header h1 { font-size: 22px; font-weight: 600; letter-spacing: -0.01em; }
.header .meta { color: var(--muted); font-size: 13px; }
.header .user { display: flex; align-items: center; gap: 12px; font-size: 14px; color: var(--muted); }
.header .user .btn-logout {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 5px 12px;
  border-radius: 6px;
  cursor: pointer;
  font-size: 13px;
}
.header .user .btn-logout:hover { color: var(--text); border-color: var(--accent); }

/* Cards grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: var(--gap);
  margin-bottom: 24px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.card .label {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin-bottom: 8px;
}
.card .value { font-size: 26px; font-weight: 600; letter-spacing: -0.02em; }
.card .sub { font-size: 13px; color: var(--muted); margin-top: 4px; }
.card .value.pos { color: var(--green); }
.card .value.neg { color: var(--red); }
.card .value-sm { font-size: 14px; font-weight: 600; font-variant-numeric: tabular-nums; }
.card .value-sm.pos { color: var(--green); }
.card .value-sm.neg { color: var(--red); }

/* Bank section */
.section-title {
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 24px 0 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

/* Segmented toggle (bank view: у.е. | %) */
.seg-toggle {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: 6px;
  overflow: hidden;
  background: var(--panel-2);
}
.seg-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  padding: 4px 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  letter-spacing: 0.02em;
}
.seg-btn:hover { color: var(--text); }
.seg-btn.active {
  background: var(--accent);
  color: #fff;
}

.chart-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 24px;
}
.chart-wrap canvas { max-height: 320px; }

/* Login */
.login-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: 20px;
}
.login-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  width: 100%;
  max-width: 360px;
}
.login-card h1 { font-size: 20px; margin-bottom: 4px; }
.login-card .hint { color: var(--muted); font-size: 13px; margin-bottom: 24px; }
.login-card label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 6px; }
.login-card input {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 10px 12px;
  color: var(--text);
  font-size: 14px;
  outline: none;
}
.login-card input:focus { border-color: var(--accent); }
.login-card button {
  width: 100%;
  margin-top: 20px;
  background: var(--accent);
  border: none;
  color: #fff;
  padding: 11px;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
}
.login-card button:disabled { opacity: 0.6; cursor: default; }
.login-card .error {
  color: var(--red);
  font-size: 13px;
  margin-top: 12px;
  min-height: 18px;
}

/* Status badge */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  padding: 3px 10px;
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--muted);
}
.badge.ok { color: var(--green); border-color: rgba(46,204,113,0.3); }
.badge.err { color: var(--red); border-color: rgba(231,76,60,0.3); }
.badge .dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }

/* Loading */
.loading { text-align: center; padding: 40px; color: var(--muted); }

/* Table */
.table-wrap {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 24px;
}
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { text-align: left; padding: 10px 14px; border-bottom: 1px solid var(--border); }
th { background: var(--panel-2); color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.04em; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
tr:last-child td { border-bottom: none; }

@media (max-width: 640px) {
  .header h1 { font-size: 18px; }
  .card .value { font-size: 22px; }
}