:root {
  color-scheme: light;
  --bg-top: #dde8f5;
  --bg-bottom: #f3f7fc;
  --panel: #ffffff;
  --panel-muted: #f7fbff;
  --line: #c7d7ea;
  --line-strong: #9fb9d8;
  --text: #16263a;
  --text-soft: #4b6583;
  --brand: #205b96;
  --brand-strong: #184777;
  --brand-soft: #e5eef8;
  --ok: #20744e;
  --danger: #a2353f;
  --shadow: 0 8px 24px rgba(24, 50, 79, 0.09);
  --radius: 10px;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
}

body {
  margin: 0;
  font-family: "IBM Plex Sans", "Segoe UI", "Trebuchet MS", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% -20%, rgba(25, 90, 152, 0.13), transparent 45%),
    radial-gradient(circle at 90% -10%, rgba(41, 111, 179, 0.1), transparent 35%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

a {
  color: var(--brand);
}

a:hover {
  color: var(--brand-strong);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line-strong);
  background: linear-gradient(180deg, #1b4b79 0%, #1d537f 100%);
  box-shadow: 0 8px 20px rgba(15, 35, 58, 0.18);
}

.site-header-inner,
.site-footer,
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding-inline: 18px;
}

.site-header-inner {
  min-height: 64px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.logo {
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.3px;
  font-size: 1.1rem;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.site-header nav a {
  color: #eaf3ff;
  text-decoration: none;
  border: 1px solid rgba(234, 243, 255, 0.35);
  border-radius: 999px;
  padding: 6px 12px;
  font-size: 0.9rem;
}

.site-header nav a:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.12);
}

.container {
  padding-top: 20px;
  padding-bottom: 20px;
  display: grid;
  gap: 18px;
}

.site-footer {
  color: var(--text-soft);
  padding-top: 18px;
  padding-bottom: 28px;
  font-size: 0.92rem;
}

.panel,
.hero,
.table-panel,
.form-panel,
.detail {
  border: 1px solid var(--line);
  background: var(--panel);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.panel,
.hero,
.form-panel,
.detail {
  padding: 16px;
}

.hero {
  background: linear-gradient(180deg, #f8fbff 0%, #edf4fc 100%);
}

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

.hero h1 {
  margin-bottom: 8px;
}

.hero p {
  margin: 0;
  color: var(--text-soft);
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 12px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--panel-muted);
  padding: 12px;
}

.card h2,
.card h3 {
  margin-bottom: 8px;
  font-size: 1rem;
}

.card-meta {
  margin: 0 0 8px;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  border: 1px solid var(--brand);
  background: linear-gradient(180deg, #2a6da8 0%, #1f5c93 100%);
  color: #fff;
  border-radius: 8px;
  padding: 8px 12px;
  text-decoration: none;
  cursor: pointer;
  font-weight: 600;
}

.button:hover,
button:hover {
  background: linear-gradient(180deg, #2a75b6 0%, #205f99 100%);
}

.button-ghost {
  background: #fff;
  color: var(--brand);
  border-color: var(--line-strong);
}

.button-ghost:hover {
  background: var(--brand-soft);
}

.filters,
.form-stack {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 10px;
  align-items: center;
}

.filters input,
.filters select {
  flex: 1 1 190px;
}

.form-stack {
  display: grid;
  gap: 12px;
  padding: 16px;
  max-width: 760px;
}

.form-stack label {
  display: grid;
  gap: 6px;
  font-weight: 600;
  color: #1e3550;
}

input,
select,
textarea {
  width: 100%;
  min-height: 40px;
  padding: 8px 10px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  background: #fff;
  color: var(--text);
  font: inherit;
}

textarea {
  min-height: 120px;
  resize: vertical;
}

input:focus,
select:focus,
textarea:focus,
button:focus,
a:focus {
  outline: 2px solid #3a84cb;
  outline-offset: 1px;
}

.table-panel {
  overflow: hidden;
}

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

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

.listing-table th,
.listing-table td {
  border-bottom: 1px solid var(--line);
  padding: 9px 10px;
  text-align: left;
  vertical-align: top;
}

.listing-table th {
  background: linear-gradient(180deg, #285f95 0%, #235487 100%);
  color: #fff;
  font-size: 0.88rem;
  letter-spacing: 0.15px;
}

.listing-table tbody tr:nth-child(odd) {
  background: #ffffff;
}

.listing-table tbody tr:nth-child(even) {
  background: #f4f8fc;
}

.title-link {
  color: #183d67;
  text-decoration: none;
  font-weight: 600;
}

.title-link:hover {
  text-decoration: underline;
}

.type-pill {
  display: inline-block;
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 0.76rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

.type-group {
  background: #e3f0ff;
  color: #1b4d80;
}

.type-channel {
  background: #e5eef8;
  color: #23405f;
}

.mobile-cards {
  display: none;
}

.listing-description {
  margin: 5px 0 0;
  color: var(--text-soft);
  font-size: 0.89rem;
}

.table-meta {
  color: var(--text-soft);
  font-size: 0.88rem;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-block;
  padding: 5px 9px;
  border-radius: 999px;
  border: 1px solid #bfcee1;
  background: #eff5fc;
  text-decoration: none;
  color: #274e75;
  font-size: 0.86rem;
}

.tag:hover {
  background: #e3eefb;
}

.pagination {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.pagination a {
  min-width: 34px;
  text-align: center;
  padding: 6px 9px;
  border: 1px solid var(--line-strong);
  border-radius: 7px;
  background: #fff;
  text-decoration: none;
  color: #1f4e7c;
}

.pagination a[aria-current="page"] {
  background: #1f5c93;
  border-color: #1f5c93;
  color: #fff;
  font-weight: 700;
}

.notice {
  padding: 10px 12px;
  border-radius: 8px;
  margin: 0;
}

.notice.success {
  border: 1px solid #9ad0b2;
  background: #ecfaf3;
  color: var(--ok);
}

.notice.error {
  border: 1px solid #e6b7bd;
  background: #fff1f2;
  color: var(--danger);
}

.detail h1 {
  margin-bottom: 10px;
}

.detail p {
  color: #203650;
}

.empty-state {
  margin: 0;
  color: var(--text-soft);
}

.hp {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.admin-head {
  display: flex;
  gap: 12px;
  align-items: center;
  flex-wrap: wrap;
}

.inline-form {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.listing-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

@media (max-width: 820px) {
  .site-header-inner {
    min-height: 74px;
    align-items: flex-start;
    padding-top: 10px;
    padding-bottom: 10px;
    flex-direction: column;
  }

  .site-header nav {
    width: 100%;
  }

  .table-wrap {
    display: none;
  }

  .mobile-cards {
    display: grid;
  }
}