:root {
  --bl-bg: #0a0e17;
  --bl-panel: #131a2b;
  --bl-panel-light: #1c2438;
  --bl-panel-dark: #05070c;
  --bl-accent: #c9a227;
  --bl-text: #f3efe2;
  --bl-muted: #98a2bd;
  --bl-danger: #ff8a8a;
}

.bl-header h1,
.login-box h1 {
  font-family: 'Century Gothic', 'Futura', 'Trebuchet MS', ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bl-bg);
  color: var(--bl-text);
  font-family: 'Segoe UI', system-ui, sans-serif;
}

.hidden { display: none !important; }
button { font-family: inherit; }

.login-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.login-box {
  background: var(--bl-panel);
  border: 2px solid var(--bl-panel-light);
  border-radius: 12px;
  padding: 28px 32px;
  width: 100%;
  max-width: 340px;
  text-align: center;
}

.login-box h1 { margin: 0 0 6px; font-size: 22px; }
.login-sub { margin: 0 0 16px; font-size: 13px; color: var(--bl-muted); }

.login-box input[type="password"], .login-box input[type="text"] {
  width: 100%;
  padding: 10px 12px;
  font-size: 14px;
  border-radius: 6px;
  border: 2px solid var(--bl-panel-light);
  background: var(--bl-panel-dark);
  color: var(--bl-text);
  margin-bottom: 10px;
}

.login-box button {
  width: 100%;
  padding: 10px;
  font-size: 14px;
  font-weight: bold;
  border-radius: 6px;
  border: none;
  background: var(--bl-accent);
  color: #14100a;
  cursor: pointer;
}

.login-error { margin-top: 10px; color: var(--bl-danger); font-size: 13px; }

.billing-screen {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 24px 60px;
}

.bl-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 8px;
}

.bl-header h1 { margin: 0; font-size: 22px; }
.bl-header-actions { display: flex; gap: 8px; }

.tiny-btn {
  padding: 6px 12px;
  font-size: 13px;
  border-radius: 6px;
  border: 2px solid var(--bl-panel-light);
  background: var(--bl-panel);
  color: var(--bl-text);
  cursor: pointer;
  text-decoration: none;
  display: inline-block;
}
.tiny-btn:hover { background: var(--bl-panel-light); }

.bl-sub { margin: 0 0 20px; font-size: 13px; color: var(--bl-muted); }

.bl-loading { font-size: 13px; color: var(--bl-muted); }

.bl-error {
  background: var(--bl-panel);
  border: 2px solid var(--bl-danger);
  color: var(--bl-danger);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 13px;
  margin-bottom: 16px;
}

.bl-total {
  background: var(--bl-panel);
  border: 2px solid var(--bl-panel-light);
  border-radius: 10px;
  padding: 18px 20px;
  margin-bottom: 16px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
}

.bl-total-label { font-size: 13px; color: var(--bl-muted); }
.bl-total-amount { font-size: 28px; font-weight: bold; color: var(--bl-accent); }

.bl-services { display: flex; flex-direction: column; gap: 8px; }

.bl-service-row {
  background: var(--bl-panel);
  border: 2px solid var(--bl-panel-light);
  border-radius: 8px;
  padding: 10px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.bl-service-name { flex: 1; font-size: 13px; }
.bl-service-amount { font-size: 13px; font-weight: bold; color: var(--bl-accent); white-space: nowrap; }

.bl-service-bar-track {
  flex: 2;
  height: 6px;
  border-radius: 3px;
  background: var(--bl-panel-dark);
  overflow: hidden;
}
.bl-service-bar-fill {
  height: 100%;
  background: var(--bl-accent);
}

.bl-empty-hint { font-size: 13px; color: var(--bl-muted); }