:root {
  --ink: #162019;
  --muted: #667066;
  --line: #dfe5dc;
  --paper: #f6f8f2;
  --white: #ffffff;
  --green: #1f7a4d;
  --coral: #db5d42;
  --yellow: #f0c84b;
  --shadow: 0 16px 38px rgba(26, 38, 31, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Microsoft YaHei", "Segoe UI", Arial, sans-serif;
  letter-spacing: 0;
}

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

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

.admin-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 18px;
  align-items: center;
  min-height: 70px;
  padding: 0 max(18px, calc((100% - 1180px) / 2));
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.admin-brand {
  display: grid;
  gap: 2px;
}

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

.admin-brand span {
  color: var(--muted);
  font-size: 12px;
}

.admin-nav {
  display: flex;
  gap: 14px;
  justify-content: center;
}

.admin-nav a {
  padding: 8px 10px;
  border-radius: 8px;
  color: #304034;
}

.admin-nav a:hover {
  background: #e8f3ec;
}

.admin-main {
  width: min(1180px, calc(100% - 32px));
  margin: 0 auto;
  padding: 34px 0 70px;
}

.admin-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 22px;
}

.admin-title h1 {
  margin: 0;
  font-size: 32px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--coral);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.admin-card,
.metric-grid article,
.login-panel {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.admin-card {
  padding: 22px;
}

.admin-button,
.ghost-button,
table button {
  min-height: 40px;
  border: 1px solid transparent;
  border-radius: 8px;
  padding: 0 14px;
  cursor: pointer;
  font-weight: 800;
}

.admin-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--green);
  color: var(--white);
}

.ghost-button,
table button {
  background: var(--white);
  border-color: var(--line);
}

.ghost-button:hover,
table button:hover {
  border-color: var(--green);
  color: var(--green);
}

.metric-grid {
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.metric-grid article {
  min-height: 110px;
  padding: 18px;
}

.metric-grid span,
small {
  color: var(--muted);
}

.metric-grid strong {
  display: block;
  margin-top: 12px;
  font-size: 34px;
}

.admin-grid-two {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
}

.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 14px;
}

.card-head h2,
.admin-card h2 {
  margin: 0;
  font-size: 20px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 760px;
}

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

th {
  background: #eef4ef;
  font-size: 13px;
}

.actions-cell {
  display: flex;
  align-items: center;
  gap: 10px;
}

.status {
  display: inline-flex;
  padding: 5px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 800;
}

.status--published {
  background: #e2f4e8;
  color: #12643a;
}

.status--draft {
  background: #fff2cc;
  color: #876000;
}

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

.list-stack a {
  display: grid;
  gap: 5px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.list-stack a:hover {
  border-color: var(--green);
}

label {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
  color: #2d372f;
  font-weight: 800;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid #cfd8cf;
  border-radius: 8px;
  background: #fff;
  padding: 11px 12px;
  color: var(--ink);
}

textarea {
  resize: vertical;
}

input:focus,
textarea:focus,
select:focus {
  border-color: var(--green);
  outline: 3px solid rgba(31, 122, 77, 0.16);
}

.editor-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 18px;
  align-items: start;
}

.editor-main textarea[name="content"] {
  min-height: 520px;
  font-family: Consolas, "Microsoft YaHei", monospace;
  line-height: 1.7;
}

.preview-card {
  margin-top: 18px;
}

.editor-language-block + .editor-language-block {
  margin-top: 24px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.editor-language-block h2 {
  margin: 0 0 16px;
  font-size: 20px;
}

.preview-body {
  max-width: 760px;
  line-height: 1.8;
}

.settings-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px 18px;
}

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

.login-panel {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 24px;
  align-items: center;
  max-width: 980px;
  margin: 80px auto;
  padding: 34px;
}

.login-panel h1 {
  margin: 0;
  font-size: 36px;
}

.login-panel p {
  color: var(--muted);
  line-height: 1.8;
}

.alert {
  padding: 12px 14px;
  margin-bottom: 14px;
  background: #e4f5ea;
  border: 1px solid #bfe2ca;
  border-radius: 8px;
}

.alert--error {
  background: #fff0ec;
  border-color: #efc5b8;
  color: #a13b25;
}

.media-list {
  display: grid;
  gap: 12px;
  max-height: 580px;
  overflow: auto;
}

.media-item {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  align-items: center;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.media-item img,
.file-tile {
  width: 92px;
  height: 70px;
  border-radius: 6px;
  object-fit: cover;
  background: #e8f3ec;
}

.file-tile {
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--green);
  font-weight: 900;
}

code {
  display: block;
  margin: 5px 0;
  color: #1c6140;
  word-break: break-all;
}

@media (max-width: 980px) {
  .admin-topbar,
  .admin-nav,
  .admin-title {
    display: grid;
    justify-items: start;
  }

  .admin-nav {
    grid-template-columns: repeat(3, auto);
    justify-content: start;
  }

  .metric-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .admin-grid-two,
  .editor-layout,
  .login-panel,
  .settings-form {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .admin-main {
    width: calc(100% - 22px);
  }

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

  .actions-cell {
    display: grid;
  }
}