:root {
  --bg: #f4efe6;
  --ink: #13212c;
  --muted: #54616b;
  --card: rgba(255,255,255,.9);
  --line: rgba(19,33,44,.12);
  --accent: #b24a2f;
  --accent-2: #e0b05a;
  --good: #206a4a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "PingFang SC", sans-serif;
  color: var(--ink);
  background: radial-gradient(circle at top, rgba(224,176,90,.22), transparent 32%), linear-gradient(135deg, #f7f0e3 0%, #f1ebe5 42%, #e8eef2 100%);
}
.wrap { min-height: 100vh; display: grid; place-items: center; padding: 24px; }
.card {
  width: min(100%, 520px);
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 24px;
  background: var(--card);
  backdrop-filter: blur(18px);
  box-shadow: 0 28px 60px rgba(19,33,44,.12);
}
.admin-wrap { align-items: start; }
.admin-card.wide { width: min(100%, 1200px); }
.admin-card.narrow { width: min(100%, 460px); }
.eyebrow { margin: 0 0 8px; color: var(--accent); font-size: 12px; letter-spacing: .18em; text-transform: uppercase; font-weight: 800; }
h1 { margin: 0; font-size: 32px; line-height: 1.1; }
h2 { margin: 0 0 16px; font-size: 22px; }
.sub, .foot { color: var(--muted); line-height: 1.6; }
.form, .grid-form { display: grid; gap: 16px; margin-top: 20px; }
.two-col { grid-template-columns: repeat(2, minmax(0, 1fr)); }
label span { display:block; margin-bottom: 8px; font-size: 14px; font-weight: 700; }
input {
  width: 100%; border: 1px solid var(--line); border-radius: 14px;
  padding: 14px 16px; font-size: 16px; background: rgba(255,255,255,.85);
}
.mailbox-row { display:grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; }
.mailbox-row em { color: var(--muted); font-style: normal; font-weight: 700; }
button, .button-link, .ghost-button, .small-button {
  display:inline-flex; align-items:center; justify-content:center;
  min-height: 52px; border-radius: 14px; border: 0; cursor: pointer;
  background: linear-gradient(135deg, var(--accent), #8f3420);
  color: #fff; font-size: 16px; font-weight: 800; text-decoration: none;
  padding: 0 18px;
}
.ghost-button {
  min-height: 42px;
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line);
}
.small-button { min-height: 38px; font-size: 14px; padding: 0 14px; }
.alerts { display:grid; gap: 8px; margin-top: 16px; }
.alert { border-radius: 12px; padding: 12px 14px; font-size: 14px; }
.alert.error { background: rgba(178,74,47,.12); color: #812f1c; }
.alert.success { background: rgba(32,106,74,.12); color: #17543a; }
.success-card { text-align: center; }
.success-mailbox { font-size: 24px; font-weight: 800; color: var(--good); }
a { color: var(--accent); }
.admin-topbar { display: flex; justify-content: space-between; gap: 16px; align-items: start; }
.stats-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; margin: 24px 0; }
.stat-card { border: 1px solid var(--line); border-radius: 18px; padding: 18px; background: rgba(255,255,255,.72); display: grid; gap: 8px; }
.stat-card strong { font-size: 28px; }
.panel { margin-top: 24px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 18px; background: rgba(255,255,255,.72); }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 14px 16px; border-bottom: 1px solid var(--line); text-align: left; vertical-align: middle; font-size: 14px; }
th { background: rgba(19,33,44,.04); }
tr:last-child td { border-bottom: 0; }
.mono { font-family: ui-monospace, SFMono-Regular, Consolas, monospace; }
.status-chip { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: rgba(19,33,44,.08); }
.form-actions { display: flex; align-items: end; }
@media (max-width: 900px) {
  .two-col { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .admin-topbar { flex-direction: column; }
}
@media (max-width: 640px) {
  h1 { font-size: 28px; }
  .card { padding: 22px; }
  .mailbox-row { grid-template-columns: 1fr; }
}