:root {
  --bg: #f4f7fb;
  --panel: #ffffff;
  --text: #172033;
  --muted: #667085;
  --primary: #2457ff;
  --primary-dark: #143ec4;
  --danger: #e5484d;
  --good: #12a150;
  --warn: #f59f00;
  --border: #e7ebf3;
  --shadow: 0 18px 50px rgba(20, 32, 70, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  background: radial-gradient(circle at top left, #eaf0ff 0, transparent 34%), var(--bg);
  color: var(--text);
}
a { color: inherit; text-decoration: none; }
.container { width: min(1380px, calc(100% - 32px)); margin: 28px auto; }
.topbar {
  width: min(1380px, calc(100% - 32px));
  margin: 18px auto 0;
  background: rgba(255,255,255,0.82);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  border-radius: 22px;
  box-shadow: var(--shadow);
  padding: 14px 18px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-icon {
  width: 46px; height: 46px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  border-radius: 16px;
  box-shadow: 0 12px 30px rgba(36,87,255,.24);
}
.brand strong { display: block; font-size: 17px; }
.brand span { color: var(--muted); font-size: 13px; }
nav { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
nav a {
  padding: 10px 13px;
  border-radius: 12px;
  color: var(--muted);
  font-weight: 650;
  font-size: 14px;
}
nav a:hover { background: #f0f4ff; color: var(--primary); }
nav a.logout { color: var(--danger); }
.hero, .page-head {
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  border-radius: 28px;
  padding: 30px;
  box-shadow: var(--shadow);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
  margin-bottom: 22px;
}
h1 { margin: 0; font-size: clamp(28px, 4vw, 42px); letter-spacing: -0.04em; }
h2 { margin: 0; font-size: 20px; letter-spacing: -0.02em; }
p { margin: 8px 0 0; color: inherit; opacity: .82; }
.stats-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(150px, 1fr));
  gap: 14px;
  margin-bottom: 22px;
}
.stat-card, .panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 24px;
  box-shadow: var(--shadow);
}
.stat-card { padding: 20px; }
.stat-card span { display: block; color: var(--muted); font-size: 13px; font-weight: 700; }
.stat-card strong { display: block; font-size: 28px; margin-top: 8px; letter-spacing: -0.03em; }
.stat-card.good strong { color: var(--good); }
.stat-card.warn strong { color: var(--warn); }
.stat-card.money strong { color: var(--primary); font-size: 24px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.panel { padding: 18px; }
.panel-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
.panel-head span, .panel-head a { color: var(--muted); font-size: 13px; font-weight: 700; }
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 720px; }
th, td { padding: 13px 12px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: middle; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); }
td { font-size: 14px; }
td small { color: var(--muted); }
.empty { text-align: center; color: var(--muted); padding: 24px; }
.mini-list { display: grid; gap: 10px; }
.mini-item {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  align-items: center;
  padding: 13px;
  border: 1px solid var(--border);
  border-radius: 18px;
  transition: .18s ease;
}
.mini-item:hover { transform: translateY(-1px); border-color: #cbd6ff; background: #f8faff; }
.mini-item strong, .mini-item span { display: block; }
.mini-item span { color: var(--muted); font-size: 13px; margin-top: 2px; }
.right { text-align: right; display: grid; gap: 6px; }
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
  background: #eef2ff;
  color: #3744a0;
}
.badge.valid, .badge.paid { background: #e8f8ef; color: #0b7a3a; }
.badge.used, .badge.pending { background: #fff4de; color: #9a5b00; }
.badge.cancelled, .badge.refunded, .badge.expired { background: #ffebec; color: #b4232a; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 14px;
  padding: 11px 15px;
  font-weight: 800;
  cursor: pointer;
  font-size: 14px;
  transition: .18s ease;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 12px 26px rgba(36,87,255,.22); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-1px); }
.btn-light { background: rgba(255,255,255,.88); color: var(--primary); border: 1px solid #dbe4ff; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-small { padding: 8px 10px; border-radius: 11px; background: #f0f4ff; color: var(--primary); font-size: 12px; }
.btn-small.btn-danger { background: #ffebec; color: #b4232a; }
.full { width: 100%; }
.filter-panel { margin-bottom: 18px; }
.filters {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr 1fr 1fr auto;
  gap: 12px;
  align-items: end;
}
label { display: block; font-size: 13px; font-weight: 800; color: var(--muted); margin-bottom: 7px; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  border-radius: 14px;
  padding: 12px 13px;
  outline: none;
  font: inherit;
}
input:focus, select:focus, textarea:focus { border-color: #a9b9ff; box-shadow: 0 0 0 4px rgba(36,87,255,.08); }
.filter-actions { display: flex; gap: 8px; }
.actions { white-space: nowrap; }
.pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
}
.edit-form { display: grid; gap: 22px; }
.form-section { border-bottom: 1px solid var(--border); padding-bottom: 18px; }
.form-section:last-of-type { border-bottom: 0; }
.form-section h2 { margin-bottom: 14px; }
.form-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.form-actions { display: flex; gap: 10px; flex-wrap: wrap; }
.alert { padding: 14px 16px; border-radius: 16px; margin-bottom: 16px; font-weight: 700; }
.alert-success { background: #e8f8ef; color: #0b7a3a; }
.alert-danger { background: #ffebec; color: #b4232a; }
.delete-card { max-width: 680px; }
.footer {
  width: min(1380px, calc(100% - 32px));
  margin: 20px auto 34px;
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  font-size: 13px;
}
.login-page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
  background: radial-gradient(circle at top left, #cdd8ff 0, transparent 32%), linear-gradient(135deg, #eff3ff, #f7f8fc);
}
.login-card {
  width: min(440px, 100%);
  background: rgba(255,255,255,.86);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  border-radius: 28px;
  padding: 30px;
}
.login-logo {
  width: 64px; height: 64px;
  display: grid; place-items: center;
  border-radius: 22px;
  background: linear-gradient(135deg, var(--primary), #7c3aed);
  color: #fff;
  font-size: 28px;
  margin-bottom: 18px;
}
.login-card h1 { color: var(--text); font-size: 32px; }
.login-card p { color: var(--muted); margin-bottom: 22px; }
.login-card form { display: grid; gap: 13px; }
@media (max-width: 1100px) {
  .stats-grid { grid-template-columns: repeat(3, 1fr); }
  .grid-2 { grid-template-columns: 1fr; }
  .filters { grid-template-columns: repeat(2, 1fr); }
  .form-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 700px) {
  .topbar, .hero, .page-head { flex-direction: column; align-items: flex-start; }
  .stats-grid, .filters, .form-grid { grid-template-columns: 1fr; }
  .container, .topbar, .footer { width: min(100% - 18px, 1380px); }
  .hero, .page-head { padding: 22px; border-radius: 22px; }
  nav { width: 100%; }
  nav a { flex: 1; text-align: center; }
}