:root {
  --bg: #f3f6fb;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #64748b;
  --primary: #0f4c81;
  --primary-dark: #0a3559;
  --border: #dbe4f0;
  --danger: #b42318;
  --success: #067647;
  --warning: #b54708;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Poppins", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

a {
  color: var(--primary);
  text-decoration: none;
}

.admin-shell {
  max-width: 1180px;
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.brand {
  font-weight: 700;
  font-size: 20px;
  color: var(--primary-dark);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.user-pill {
  background: #e8f0f8;
  color: var(--primary-dark);
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
}

.btn {
  border: 0;
  border-radius: 10px;
  padding: 10px 14px;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.1;
  font-weight: 600;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-danger {
  background: #fee4e2;
  color: var(--danger);
}

.btn-muted {
  background: #e2e8f0;
  color: #334155;
}

.menu {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.menu a {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 9px 14px;
  color: #334155;
  font-weight: 600;
}

.menu a.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 18px;
  margin-bottom: 18px;
}

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

.grid-2 {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 16px;
}

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 12px;
}

.stat {
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 14px;
  background: #f8fbff;
}

.stat .label {
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 4px;
}

.stat .value {
  font-size: 27px;
  font-weight: 700;
  color: var(--primary-dark);
}

.flash {
  border-radius: 10px;
  padding: 12px 14px;
  margin-bottom: 12px;
  font-weight: 600;
}

.flash.success {
  background: #ecfdf3;
  color: var(--success);
  border: 1px solid #abefc6;
}

.flash.error {
  background: #fef3f2;
  color: var(--danger);
  border: 1px solid #fecdca;
}

.flash.warning {
  background: #fffaeb;
  color: var(--warning);
  border: 1px solid #fedf89;
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.form-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-row.full {
  grid-column: 1 / -1;
}

label {
  font-size: 13px;
  color: #475467;
  font-weight: 600;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  font-family: inherit;
  background: #fff;
}

textarea {
  min-height: 110px;
  resize: vertical;
}

.actions {
  margin-top: 12px;
  display: flex;
  gap: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14px;
}

th,
td {
  border-bottom: 1px solid var(--border);
  padding: 10px 8px;
  text-align: left;
  vertical-align: top;
}

th {
  color: #475467;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.actions-cell {
  width: 132px;
}

.table-actions {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.table-actions > * + * {
  margin-top: 12px;
}

.table-actions .btn {
  min-width: 88px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.action-form {
  margin: 0;
  display: block;
}

.action-form .btn {
  display: inline-flex;
}

.tag {
  display: inline-block;
  background: #e8f0f8;
  color: #0a3559;
  border-radius: 999px;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 600;
}

.status {
  font-size: 12px;
  font-weight: 600;
}

.status.on {
  color: var(--success);
}

.status.off {
  color: var(--danger);
}

.inline {
  display: inline;
}

.hint {
  font-size: 12px;
  color: var(--muted);
}

.preview-img {
  width: 120px;
  height: 68px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid #d4dce8;
}

.login-page {
  min-height: 100vh;
  background:
    radial-gradient(560px 220px at 10% 8%, rgba(67, 196, 244, 0.18), transparent 64%),
    radial-gradient(560px 220px at 92% 100%, rgba(6, 74, 121, 0.12), transparent 58%),
    linear-gradient(145deg, #eff6fc 0%, #f5f8fc 46%, #edf3fa 100%);
}

.login-shell {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.login-card {
  width: 100%;
  max-width: 520px;
  background: #fff;
  border: 1px solid #c8d7e6;
  border-radius: 16px;
  box-shadow: 0 16px 34px rgba(10, 53, 89, 0.12);
  padding: 26px;
}

.login-card h1 {
  margin: 0 0 8px;
  font-size: 56px;
  line-height: 0.95;
  letter-spacing: -0.02em;
  color: #064a79;
}

.login-card .hint {
  margin: 0 0 12px;
  font-size: 14px;
  color: #5f7690;
}

.login-card label {
  color: #2d4d69;
  font-weight: 700;
}

.login-card input {
  min-height: 52px;
  border: 1px solid #bfd2e5;
  border-radius: 12px;
  background: #f7fbff;
  padding: 12px 14px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.login-card input:focus {
  outline: none;
  border-color: #43c4f4;
  box-shadow: 0 0 0 3px rgba(67, 196, 244, 0.22);
  background: #ffffff;
}

.login-card .actions {
  margin-top: 16px;
  gap: 10px;
}

.login-card .flash {
  margin-top: 10px;
}

.login-page .actions .btn {
  min-height: 54px;
  border-radius: 14px;
  padding: 0 24px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: "Poppins", Arial, sans-serif;
  font-size: 16px;
  font-weight: 700;
  line-height: 1;
  text-decoration: none;
}

.login-page .actions .btn-primary {
  background: #064a79;
  color: #fff;
  box-shadow: 0 8px 16px rgba(6, 74, 121, 0.2);
}

.login-page .actions .btn-primary:hover {
  background: #0a3559;
}

.login-page .actions .btn-muted {
  background: #e8f1fa;
  color: #244564;
}

@media (max-width: 920px) {
  .grid-2 {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 700px) {
  .admin-shell {
    padding: 14px;
  }

  .form-grid {
    grid-template-columns: 1fr;
  }

  .topbar {
    flex-direction: column;
    align-items: flex-start;
  }

  .actions-cell {
    width: auto;
  }

  .login-shell {
    padding: 16px;
  }

  .login-card h1 {
    font-size: 44px;
  }

  .login-card .actions {
    flex-wrap: wrap;
  }
}