:root {
  --bg: #eef1f4;
  --card: #ffffff;
  --text: #1b1f24;
  --muted: #5c6773;
  --line: #d7dde5;
  --accent: #1f6feb;
  --danger: #c62828;
  --ok: #1b7f4e;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(20, 30, 45, 0.08);
  font-family: "Poppins", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

body.admin-body {
  margin: 0;
  background:
    radial-gradient(circle at top left, rgba(31, 111, 235, 0.12), transparent 40%),
    linear-gradient(180deg, #f7f9fb 0%, var(--bg) 100%);
  color: var(--text);
  min-height: 100vh;
}

.admin-shell {
  width: min(560px, calc(100% - 2rem));
  margin: 2rem auto;
}

.admin-shell.admin-wide {
  width: min(820px, calc(100% - 2rem));
}

.admin-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

h1, h2 {
  margin: 0 0 0.35rem;
  line-height: 1.2;
}

.muted { color: var(--muted); margin: 0; }
.hint { color: var(--muted); font-size: 0.9rem; margin: 0; }

.admin-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  margin-bottom: 1.25rem;
}

.admin-form {
  display: grid;
  gap: 0.9rem;
  margin-top: 1rem;
}

label {
  display: grid;
  gap: 0.35rem;
  font-weight: 600;
  font-size: 0.95rem;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="file"] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.8rem 0.9rem;
  font: inherit;
  background: #fff;
}

input[type="file"] {
  padding: 0.65rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  border: 0;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 600;
  padding: 0.8rem 1.2rem;
  text-decoration: none;
  cursor: pointer;
  min-height: 44px;
}

.btn-small {
  padding: 0.45rem 0.8rem;
  min-height: 36px;
  font-size: 0.9rem;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--line);
}

.btn-danger {
  background: var(--danger);
}

.alert {
  border-radius: 12px;
  padding: 0.9rem 1rem;
  margin-bottom: 1rem;
}

.alert-error {
  background: #fdecea;
  color: #8a1f1f;
  border: 1px solid #f5c2c0;
}

.alert-success {
  background: #e8f7ef;
  color: #145c38;
  border: 1px solid #b7e0c7;
}

.created-url {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  align-items: center;
  margin-top: 0.7rem;
}

.created-url a {
  color: inherit;
  word-break: break-all;
}

.card-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.card-list-item {
  display: grid;
  grid-template-columns: 64px 1fr auto;
  gap: 0.85rem;
  align-items: center;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.75rem;
}

.thumb {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 10px;
  background: #eee;
}

.card-list-meta {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.card-list-meta a {
  color: var(--accent);
  text-decoration: none;
  word-break: break-all;
  font-size: 0.92rem;
}

.card-list-actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  align-items: stretch;
}

.card-list-actions form {
  margin: 0;
}

@media (max-width: 640px) {
  .admin-header {
    flex-direction: column;
  }

  .card-list-item {
    grid-template-columns: 56px 1fr;
  }

  .card-list-actions {
    grid-column: 1 / -1;
    flex-direction: row;
  }

  .card-list-actions .btn,
  .card-list-actions form {
    flex: 1;
  }

  .card-list-actions form .btn {
    width: 100%;
  }
}