:root {
  color-scheme: dark;
  --bg: #070707;
  --bg-2: #121214;
  --text: #f6f6f6;
  --muted: #a8a8ad;
  --stroke: rgba(255, 255, 255, 0.12);
  --card: rgba(255, 255, 255, 0.075);
  --card-strong: rgba(255, 255, 255, 0.13);
  --ok: #9be7b3;
  --warn: #ffd18a;
  --danger: #ff9da3;
  --shadow: 0 22px 70px rgba(0, 0, 0, 0.34);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "SF Pro Display", "Inter", "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top right, rgba(255, 255, 255, 0.16), transparent 24%),
    radial-gradient(circle at bottom left, rgba(255, 255, 255, 0.08), transparent 28%),
    linear-gradient(135deg, var(--bg), var(--bg-2), #050505);
}

button,
input,
textarea {
  font: inherit;
}

.admin-shell {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  padding: 24px;
}

.glass {
  background: linear-gradient(180deg, var(--card-strong), var(--card));
  border: 1px solid var(--stroke);
  border-radius: 30px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(18px);
}

.admin-sidebar {
  min-height: calc(100vh - 48px);
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.admin-main {
  display: grid;
  gap: 22px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 12px;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  font-size: 46px;
  line-height: 0.95;
  margin-bottom: 14px;
}

h2 {
  font-size: clamp(34px, 5vw, 58px);
  line-height: 0.95;
  margin-bottom: 12px;
}

h3 {
  font-size: 24px;
  margin-bottom: 0;
}

.muted {
  color: var(--muted);
}

.hidden {
  display: none !important;
}

.admin-nav {
  display: grid;
  gap: 10px;
  margin: 28px 0;
}

.admin-nav a,
button,
.status-pill {
  border: 1px solid var(--stroke);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
  padding: 13px 15px;
  text-decoration: none;
}

.admin-nav a.active,
button[type="submit"],
.status-pill {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.22), rgba(255, 255, 255, 0.08));
}

button {
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease;
}

button:hover {
  transform: translateY(-1px);
}

.ghost {
  width: 100%;
}

.login-panel,
.admin-hero,
.section-card {
  padding: 24px;
}

.login-panel {
  max-width: 560px;
}

.admin-hero {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.form-grid {
  display: grid;
  gap: 14px;
}

.form-grid.two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 13px;
}

input,
textarea {
  width: 100%;
  color: var(--text);
  background: rgba(255, 255, 255, 0.07);
  border: 1px solid var(--stroke);
  border-radius: 16px;
  padding: 13px 14px;
  outline: none;
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus {
  border-color: rgba(255, 255, 255, 0.36);
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 10px;
}

.checkbox-row input {
  width: auto;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px;
  margin-bottom: 22px;
}

.stat-card {
  padding: 20px;
}

.stat-card span {
  display: block;
  color: var(--muted);
  margin-bottom: 10px;
  font-size: 13px;
}

.stat-card strong {
  font-size: 30px;
}

.section-heading {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  align-items: start;
  margin-bottom: 20px;
}

.content-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 22px;
  margin-top: 22px;
}

.list {
  display: grid;
  gap: 12px;
}

.list-item {
  border: 1px solid var(--stroke);
  background: rgba(255, 255, 255, 0.05);
  border-radius: 18px;
  padding: 14px;
}

.list-item strong {
  display: block;
  margin-bottom: 6px;
}

.receipt-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 10px 0;
}

.receipt-stats span {
  border: 1px solid var(--stroke);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  color: var(--muted);
  font-size: 12px;
  padding: 6px 10px;
}

.message {
  min-height: 20px;
  color: var(--muted);
}

.message.ok {
  color: var(--ok);
}

.message.error {
  color: var(--danger);
}

@media (max-width: 1100px) {
  .admin-shell,
  .form-grid.two,
  .content-grid,
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .admin-sidebar {
    min-height: auto;
  }
}