:root {
  --ink: #14161a;
  --muted: #66707a;
  --paper: #fffdf7;
  --line: rgba(20, 22, 26, 0.14);
  --blue: #1b5cff;
  --green: #0d9488;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #fffdf7, #efe5d3);
  color: var(--ink);
  font-family: "Trebuchet MS", Arial, sans-serif;
}

header {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px clamp(16px, 4vw, 44px);
  background: #101319;
  color: #fff;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  color: inherit;
  text-decoration: none;
}

.brand img {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  object-fit: cover;
}

.brand strong,
.brand small {
  display: block;
}

.brand small {
  color: rgba(255, 255, 255, 0.68);
}

nav a,
button,
.card a,
.card-link {
  border: 0;
  border-radius: 999px;
  background: var(--blue);
  color: #fff;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 14px;
  font: inherit;
  font-weight: 900;
  text-decoration: none;
}

main {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 18px 0 40px;
}

.hero,
.panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 253, 247, 0.9);
  box-shadow: 0 20px 60px rgba(16, 19, 25, 0.14);
  padding: clamp(18px, 4vw, 34px);
}

h1,
h2 {
  margin: 0 0 10px;
}

.hero p {
  color: var(--muted);
  margin: 0 0 16px;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 12px 14px;
  font: inherit;
}

.grid,
.admin-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.card,
.admin-item {
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  padding: 16px;
}

.card {
  display: grid;
  gap: 10px;
}

.initial {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 54px;
  height: 54px;
  border-radius: 16px;
  background: var(--card-color);
  color: #fff;
  font-size: 28px;
  font-weight: 900;
}

.category {
  color: var(--muted);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.card p {
  color: var(--muted);
  margin: 0;
}

.panel + .panel {
  margin-top: 14px;
}

form {
  display: grid;
  gap: 12px;
}

label {
  display: grid;
  gap: 6px;
  color: var(--muted);
  font-weight: 900;
}

.message {
  min-height: 24px;
  color: var(--muted);
  font-weight: 900;
}

.admin-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-item strong,
.admin-item a {
  display: block;
  overflow-wrap: anywhere;
}

.admin-item a {
  color: var(--muted);
  margin-top: 4px;
}

.admin-item button {
  background: #c92a2a;
}

.empty {
  color: var(--muted);
  margin: 0;
}

@media (max-width: 680px) {
  header,
  .admin-item {
    align-items: flex-start;
    flex-direction: column;
  }
}