:root {
  --ink: #111827;
  --muted: #667085;
  --line: #e5e7eb;
  --paper: #ffffff;
  --soft: #f8fafc;
  --soft-strong: #eef2f7;
  --teal: #0f766e;
  --teal-dark: #0b4f4a;
  --teal-soft: #e6f6f3;
  --red: #dc2626;
  --orange: #ea580c;
  --shadow: 0 18px 46px rgba(15, 23, 42, 0.08);
  --shadow-soft: 0 8px 26px rgba(15, 23, 42, 0.06);
  --radius: 16px;
}

* {
  box-sizing: border-box;
}

html {
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.08), transparent 30%),
    linear-gradient(180deg, #f8fafc 0%, #f3f7f6 100%);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  font-size: 15px;
}

a {
  color: inherit;
  text-decoration: none;
}

input,
select,
textarea,
button {
  font: inherit;
}

button,
a,
input,
select,
textarea {
  -webkit-tap-highlight-color: transparent;
}

.admin-login-page {
  display: grid;
  place-items: center;
  min-height: 100vh;
  padding: 18px;
}

.login-panel,
.admin-card {
  border: 1px solid rgba(226, 232, 240, 0.95);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.96);
  box-shadow: var(--shadow-soft);
}

.login-panel {
  display: grid;
  gap: 16px;
  width: min(430px, 100%);
  padding: 30px;
}

.login-panel h1,
.login-panel p,
.admin-hero h1,
.admin-hero p,
.admin-card h2 {
  margin-top: 0;
}

.login-panel p,
.admin-hero p,
small {
  color: var(--muted);
}

.admin-mark {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  color: #fff;
  background: linear-gradient(135deg, var(--teal), #12b981);
  border-radius: 12px;
  font-weight: 900;
  box-shadow: 0 12px 24px rgba(15, 118, 110, 0.22);
}

.admin-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 18px;
  padding: 12px clamp(16px, 4vw, 42px);
  background: rgba(255, 255, 255, 0.9);
  border-bottom: 1px solid rgba(226, 232, 240, 0.9);
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.04);
  backdrop-filter: blur(14px);
}

.admin-brand,
.admin-header nav,
.actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.admin-brand {
  min-width: 0;
}

.admin-brand span:last-child {
  display: grid;
  line-height: 1.15;
}

.admin-brand strong {
  font-size: 18px;
}

.admin-header nav {
  justify-content: flex-end;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: #cbd5e1 transparent;
}

.admin-header nav::-webkit-scrollbar,
.table-wrap::-webkit-scrollbar {
  height: 6px;
}

.admin-header nav::-webkit-scrollbar-thumb,
.table-wrap::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 999px;
}

.admin-header nav a,
.mini-btn,
.admin-btn {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--teal-dark);
  font-weight: 850;
  line-height: 1.1;
  cursor: pointer;
  transition: transform 0.16s ease, box-shadow 0.16s ease, border-color 0.16s ease, background 0.16s ease;
}

.admin-header nav a:hover,
.mini-btn:hover,
.admin-btn:hover {
  transform: translateY(-1px);
  border-color: rgba(15, 118, 110, 0.25);
  box-shadow: 0 10px 22px rgba(15, 23, 42, 0.08);
}

.admin-shell {
  display: grid;
  gap: 22px;
  width: min(1800px, 100%);
  margin: 0 auto;
  padding: clamp(16px, 4vw, 42px);
}

.flash-shell {
  padding-bottom: 0;
}

.admin-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(300px, 0.72fr);
  gap: 24px;
  align-items: center;
  padding: clamp(22px, 4vw, 34px);
  color: #fff;
  background:
    radial-gradient(circle at 80% 20%, rgba(255, 255, 255, 0.18), transparent 28%),
    linear-gradient(135deg, #083f3b, #0f766e 52%, #12b981);
  border-radius: 22px;
  box-shadow: var(--shadow);
}

.admin-hero p,
.admin-hero .eyebrow {
  color: rgba(236, 253, 245, 0.9);
}

.admin-hero h1 {
  margin-bottom: 10px;
  font-size: clamp(30px, 4vw, 52px);
  line-height: 1.02;
  letter-spacing: 0;
}

.eyebrow {
  display: inline-flex;
  margin-bottom: 10px;
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
}

.stat-grid div {
  padding: 16px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.11);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.stat-grid strong,
.stat-grid span {
  display: block;
}

.stat-grid strong {
  font-size: 30px;
  line-height: 1;
}

.stat-grid span {
  color: rgba(236, 253, 245, 0.86);
  font-size: 13px;
  font-weight: 700;
}

.admin-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
  gap: 22px;
  align-items: start;
}

.admin-grid.wide-form {
  grid-template-columns: minmax(380px, 0.85fr) minmax(520px, 1.15fr);
}

.quick-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.admin-card {
  padding: clamp(18px, 3vw, 24px);
}

.admin-card-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 18px;
}

.admin-card-heading h2 {
  margin-bottom: 0;
  font-size: clamp(20px, 2vw, 25px);
  letter-spacing: 0;
}

.admin-card-heading a,
.admin-card-heading span {
  color: var(--teal);
  font-weight: 850;
}

.admin-form {
  display: grid;
  gap: 14px;
}

label {
  display: grid;
  gap: 7px;
  color: #52615f;
  font-size: 13px;
  font-weight: 850;
}

fieldset {
  display: grid;
  gap: 14px;
  margin: 0;
  padding: 17px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: linear-gradient(180deg, #ffffff, #fbfdfc);
}

legend {
  padding: 0 8px;
  color: var(--teal-dark);
  font-weight: 900;
}

input,
select,
textarea {
  width: 100%;
  min-height: 46px;
  padding: 11px 13px;
  color: var(--ink);
  border: 1px solid #d8e1df;
  border-radius: 12px;
  background: #fff;
  outline: none;
  transition: border-color 0.16s ease, box-shadow 0.16s ease;
}

input:focus,
select:focus,
textarea:focus {
  border-color: rgba(15, 118, 110, 0.55);
  box-shadow: 0 0 0 4px rgba(15, 118, 110, 0.11);
}

input[type="color"] {
  padding: 5px;
  min-height: 48px;
}

input[type="file"] {
  padding: 10px;
  background: var(--soft);
}

textarea {
  resize: vertical;
  min-height: 96px;
}

.form-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.check-row {
  display: flex;
  align-items: center;
  gap: 9px;
}

.check-row input {
  width: 19px;
  min-height: 19px;
}

.admin-btn.primary {
  color: #fff;
  background: linear-gradient(135deg, var(--teal), #12b981);
  border-color: transparent;
  box-shadow: 0 14px 30px rgba(15, 118, 110, 0.22);
}

.admin-form > .admin-btn.primary {
  min-height: 50px;
}

.notice {
  padding: 14px 16px;
  border-radius: 14px;
  border: 1px solid #bce9dc;
  color: #07594e;
  background: #e8f8f3;
  font-weight: 850;
}

.notice.error {
  color: #8a2b0b;
  border-color: #ffd0bd;
  background: #fff1ea;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 15px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 850px;
  background: #fff;
}

th,
td {
  padding: 14px 12px;
  text-align: left;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

tr:last-child td {
  border-bottom: 0;
}

th {
  color: var(--muted);
  background: var(--soft);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

td small {
  display: block;
  margin-top: 4px;
}

.mini-btn {
  min-height: 36px;
  padding: 8px 11px;
  font-size: 13px;
}

.mini-btn.danger {
  color: var(--red);
}

.actions {
  flex-wrap: wrap;
}

.actions form {
  margin: 0;
}

.status {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 900;
}

.status.on {
  color: #07594e;
  background: #ddf7ed;
}

.status.off {
  color: #7a3411;
  background: #ffedd5;
}

.category-list {
  display: grid;
  gap: 12px;
}

.category-item {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 15px;
  border: 1px solid var(--line);
  border-radius: 15px;
  background: var(--soft);
}

.category-item p {
  margin: 8px 0 0;
  color: var(--muted);
}

@media (max-width: 1180px) {
  .admin-grid,
  .admin-grid.wide-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 920px) {
  .admin-header {
    grid-template-columns: 1fr;
    gap: 10px;
    padding: 10px 14px 12px;
  }

  .admin-header nav {
    justify-content: flex-start;
    width: 100%;
    padding-bottom: 2px;
  }

  .admin-header nav a {
    min-height: 38px;
    padding: 8px 12px;
    font-size: 13px;
  }

  .admin-hero {
    grid-template-columns: 1fr;
  }

  .form-row {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 680px) {
  body {
    font-size: 14px;
  }

  .admin-login-page {
    align-items: start;
    padding-top: 28px;
  }

  .login-panel {
    padding: 22px;
    border-radius: 18px;
  }

  .admin-brand strong {
    font-size: 16px;
  }

  .admin-mark {
    width: 40px;
    height: 40px;
    border-radius: 11px;
  }

  .admin-shell {
    gap: 16px;
    padding: 14px;
  }

  .admin-card {
    padding: 16px;
    border-radius: 18px;
  }

  .admin-card-heading {
    align-items: flex-start;
    flex-direction: column;
    gap: 6px;
  }

  .admin-card-heading h2 {
    font-size: 20px;
  }

  .admin-hero {
    padding: 20px;
    border-radius: 20px;
  }

  .admin-hero h1 {
    font-size: 32px;
  }

  .stat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stat-grid div {
    padding: 14px;
  }

  .stat-grid strong {
    font-size: 25px;
  }

  .quick-actions {
    display: grid;
    grid-template-columns: 1fr;
  }

  .admin-btn,
  .mini-btn {
    width: 100%;
  }

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

  fieldset {
    padding: 14px;
    border-radius: 15px;
  }

  input,
  select,
  textarea {
    min-height: 48px;
    font-size: 16px;
  }

  .category-item {
    align-items: stretch;
    flex-direction: column;
    border-radius: 15px;
  }

  .actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .actions form,
  .actions form button {
    width: 100%;
  }

  .table-wrap {
    overflow: visible;
    border: 0;
    border-radius: 0;
  }

  table,
  thead,
  tbody,
  tr,
  th,
  td {
    display: block;
  }

  table {
    min-width: 0;
    background: transparent;
  }

  thead {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
  }

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

  tr {
    padding: 13px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: #fff;
    box-shadow: var(--shadow-soft);
  }

  td {
    display: grid;
    grid-template-columns: minmax(92px, 0.38fr) minmax(0, 1fr);
    gap: 12px;
    align-items: start;
    padding: 9px 0;
    border-bottom: 1px solid #eef2f7;
  }

  td:last-child {
    border-bottom: 0;
  }

  td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 12px;
    font-weight: 900;
    text-transform: uppercase;
  }

  td.actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  td.actions::before {
    grid-column: 1 / -1;
  }

  td.actions > a,
  td.actions > form,
  td.actions > form button {
    min-width: 0;
    width: 100%;
  }
}

@media (max-width: 390px) {
  .admin-shell {
    padding: 10px;
  }

  .admin-card {
    padding: 14px;
  }

  .stat-grid,
  .actions {
    grid-template-columns: 1fr;
  }

  td {
    grid-template-columns: 1fr;
    gap: 5px;
  }

  td.actions {
    grid-template-columns: 1fr;
  }
}