:root {
  --bg: #f3f8fb;
  --ink: #172033;
  --muted: #667085;
  --panel: #ffffff;
  --line: #d8e2f0;
  --blue: #1769ff;
  --green: #148c5a;
  --red: #c73545;
  --yellow: #f7b731;
  --soft-blue: #eaf3ff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: "Segoe UI", Arial, sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at 0 0, rgba(23,105,255,.12), transparent 34%),
    linear-gradient(180deg, #ffffff, var(--bg));
}

.shell, .admin-shell {
  width: min(1040px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 42px;
}

.narrow { width: min(760px, calc(100% - 28px)); }

.hero, .admin-hero {
  border-radius: 0 0 28px 28px;
  padding: 34px 28px;
  color: white;
  background:
    linear-gradient(120deg, rgba(23,105,255,.96), rgba(20,140,90,.88)),
    var(--blue);
  box-shadow: 0 22px 50px rgba(23, 105, 255, .18);
}

.admin-hero {
  display: flex;
  gap: 18px;
  align-items: end;
  justify-content: space-between;
}

.hero h1, .admin-hero h1 {
  max-width: 760px;
  margin: 10px 0 12px;
  font-size: clamp(30px, 5.6vw, 46px);
  line-height: 1.06;
  font-weight: 700;
  letter-spacing: -0.035em;
}

.hero p, .admin-hero p {
  max-width: 680px;
  color: rgba(255,255,255,.88);
  font-size: 17px;
  line-height: 1.45;
  font-weight: 400;
}

.eyebrow {
  margin: 0;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: .04em;
  font-size: 12px;
  color: rgba(255,255,255,.86);
}

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

.panel {
  margin-top: 16px;
  padding: 24px;
  background: rgba(255,255,255,.92);
  border: 1px solid var(--line);
  border-radius: 22px;
  box-shadow: 0 16px 40px rgba(39, 70, 120, .08);
}

h1, h2 { margin: 8px 0 10px; }
h2 {
  font-size: 24px;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.span-2 { grid-column: 1 / -1; }

label, .stack {
  display: grid;
  gap: 7px;
  font-weight: 600;
  color: #263247;
}

input, select, textarea, button {
  width: 100%;
  padding: 11px 12px;
  border-radius: 13px;
  border: 1px solid var(--line);
  font: inherit;
  font-size: 15px;
}

input, select, textarea {
  background: #fbfdff;
  color: var(--ink);
}

textarea { resize: vertical; }

button {
  border: none;
  background: var(--blue);
  color: white;
  font-weight: 700;
  cursor: pointer;
}

.primary { background: var(--blue); }
.ghost { background: #eef3f8; color: var(--ink); }
.danger { background: var(--red); }
.warn { background: var(--yellow); color: #2b2206; }
.ok { background: var(--green); }

.modal {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 18px;
  background: rgba(15, 25, 42, .48);
}

.modal[hidden] {
  display: none;
}

.modal-card {
  width: min(620px, 100%);
  padding: 24px;
  background: white;
  border-radius: 24px;
  box-shadow: 0 25px 80px rgba(15, 25, 42, .28);
}

.summary, .detail-list {
  display: grid;
  gap: 10px;
  margin: 18px 0;
}

.summary div, .detail-list div {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 12px;
  background: var(--soft-blue);
  border-radius: 14px;
  font-size: 15px;
}

.summary span, .detail-list span { color: var(--muted); text-align: right; }
.actions { display: flex; gap: 10px; }

.status {
  display: inline-block;
  padding: 9px 13px;
  border-radius: 999px;
  color: var(--blue);
  background: var(--soft-blue);
  font-weight: 700;
}

.notice {
  padding: 13px;
  border-radius: 15px;
  background: #fff7df;
  color: #6c4c00;
}

.small { font-size: 13px; }

.mode {
  flex: 0 0 auto;
  padding: 12px 15px;
  border-radius: 999px;
  background: rgba(255,255,255,.16);
  font-weight: 700;
}

.metrics {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin: 16px 0;
}

.metrics article {
  padding: 20px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 20px;
}

.metrics strong { display: block; font-size: 34px; color: var(--blue); }
.metrics span { color: var(--muted); font-weight: 600; }
.metrics strong {
  font-weight: 700;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 16px;
}

.cards, .side-stack { display: grid; gap: 14px; }

.admin-card, .mini-card {
  padding: 16px;
  background: white;
  border: 1px solid var(--line);
  border-radius: 18px;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
}

.card-head span {
  color: var(--blue);
  font-weight: 700;
}

.inline-actions {
  display: grid;
  grid-template-columns: 1fr repeat(5, minmax(84px, auto));
  gap: 8px;
  align-items: center;
}

.empty {
  padding: 18px;
  border-radius: 18px;
  border: 1px dashed var(--line);
  color: var(--muted);
}

@media (max-width: 820px) {
  .form-grid, .admin-grid, .metrics { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .admin-hero { display: block; }
  .inline-actions { grid-template-columns: 1fr; }
  .summary div, .detail-list div { display: grid; }
  .summary span, .detail-list span { text-align: left; }
  .hero, .admin-hero { padding: 30px 22px; }
  .panel { padding: 20px; }
}