:root {
  color-scheme: light dark;
  --bg: #f4f7fb;
  --surface: rgba(255,255,255,.86);
  --surface-strong: #fff;
  --ink: #132033;
  --muted: #637083;
  --line: rgba(25,36,58,.12);
  --brand: #1769e0;
  --brand-2: #0f9f8f;
  --accent: #d43f73;
  --warn: #b42318;
  --ok: #13795b;
  --shadow: 0 18px 50px rgba(18,31,53,.12);
  --radius: 8px;
}
[data-theme="dark"] {
  --bg: #0f141b;
  --surface: rgba(25,32,43,.86);
  --surface-strong: #19202b;
  --ink: #edf3fb;
  --muted: #aab5c5;
  --line: rgba(233,240,250,.13);
  --brand: #7ab0ff;
  --brand-2: #64d8c8;
  --accent: #ff7da8;
  --warn: #ff8f86;
  --ok: #78d8b8;
  --shadow: 0 18px 50px rgba(0,0,0,.35);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f141b;
    --surface: rgba(25,32,43,.86);
    --surface-strong: #19202b;
    --ink: #edf3fb;
    --muted: #aab5c5;
    --line: rgba(233,240,250,.13);
    --brand: #7ab0ff;
    --brand-2: #64d8c8;
    --accent: #ff7da8;
    --warn: #ff8f86;
    --ok: #78d8b8;
    --shadow: 0 18px 50px rgba(0,0,0,.35);
  }
}
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--bg); }
body {
  min-height: 100%;
  margin: 0;
  color: var(--ink);
  font: 15px/1.5 Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background:
    linear-gradient(135deg, rgba(23,105,224,.12), transparent 34%),
    linear-gradient(225deg, rgba(15,159,143,.12), transparent 32%),
    var(--bg);
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input, select, textarea { font: inherit; }
input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface-strong);
  color: var(--ink);
  padding: 12px 13px;
}
textarea { min-height: 120px; resize: vertical; }
label { display: grid; gap: 7px; color: var(--muted); font-weight: 700; }
label b { color: var(--accent); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.field-error { color: var(--warn); font-size: 13px; font-weight: 800; }
input.invalid, select.invalid, textarea.invalid, .wysiwyg-editor.invalid {
  border-color: var(--warn);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--warn) 18%, transparent);
}
h1, h2, h3, p { margin-top: 0; }
.app-topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 18px;
  min-height: 72px;
  padding: 14px clamp(14px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 84%, transparent);
  backdrop-filter: blur(18px);
  overflow: visible;
}
.brand { display: flex; align-items: center; gap: 10px; font-weight: 900; min-width: max-content; line-height: 1.1; }
.brand-badge {
  display: grid; place-items: center; flex: 0 0 42px; width: 42px; height: 42px; border-radius: 8px;
  color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2));
  box-shadow: 0 10px 25px rgba(23,105,224,.25);
}
.main-nav { display: flex; align-items: center; gap: 6px; margin-left: auto; justify-content: flex-end; min-width: 0; flex-wrap: wrap; }
.main-nav a, .main-nav button { padding: 8px 9px; border-radius: 8px; color: var(--muted); font-weight: 850; line-height: 1.1; }
.main-nav a:hover, .main-nav button:hover { color: var(--ink); background: rgba(127,143,164,.12); }
.main-nav .strong { color: var(--brand); background: rgba(23,105,224,.12); }
.nav-link { white-space: nowrap; }
.nav-group { position: relative; }
.nav-group summary {
  list-style: none;
  cursor: pointer;
  padding: 8px 9px;
  border-radius: 8px;
  color: var(--muted);
  font-weight: 850;
}
.nav-group summary::-webkit-details-marker { display: none; }
.nav-group summary::after { content: "⌄"; margin-left: 6px; font-size: 12px; }
.nav-group[open] summary, .nav-group summary:hover { color: var(--ink); background: rgba(127,143,164,.12); }
.nav-group div {
  position: absolute;
  right: 0;
  top: calc(100% + 10px);
  min-width: 210px;
  display: grid;
  gap: 4px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-strong);
  box-shadow: var(--shadow);
}
.nav-group div a { display: block; }
.nav-avatar { display: flex; align-items: center; gap: 8px; }
.nav-avatar .avatar { width: 28px; height: 28px; }
.nav-toggle { display: none; margin-left: auto; }
.icon-button {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  border-radius: 8px; width: 38px; height: 38px; cursor: pointer;
}
.admin-nav-strip {
  position: sticky;
  top: 72px;
  z-index: 19;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  padding: 10px clamp(14px, 3vw, 32px);
  border-bottom: 1px solid var(--line);
  background: color-mix(in srgb, var(--surface-strong) 78%, transparent);
  backdrop-filter: blur(18px);
}
.admin-nav-strip a {
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--muted);
  font-weight: 900;
  background: rgba(127,143,164,.08);
}
.admin-nav-strip a:hover { color: var(--ink); border-color: var(--brand); }
.app-shell { width: min(1440px, 100%); margin: 0 auto; padding: clamp(16px, 3vw, 32px); }
.panel, .setup-card, .post-card, .feature-card, .list-card, .message-card, .person-card, .invoice-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: var(--shadow);
}
.panel, .setup-card { padding: clamp(18px, 3vw, 28px); }
.notice {
  border: 1px solid var(--line); border-left: 5px solid var(--brand);
  background: var(--surface-strong); padding: 14px 16px; border-radius: var(--radius); margin-bottom: 14px;
}
.notice.error { border-left-color: var(--warn); color: var(--warn); }
.notice.success { border-left-color: var(--ok); color: var(--ok); }
.button, .chip {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface-strong); color: var(--ink); padding: 10px 14px;
  font-weight: 900; cursor: pointer; min-height: 40px;
}
.button.primary { border: 0; color: #fff; background: linear-gradient(135deg, var(--brand), var(--brand-2)); }
.button.glass { background: rgba(255,255,255,.18); color: #fff; border-color: rgba(255,255,255,.36); }
.button.danger, .chip.danger { color: var(--warn); }
.hero {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(340px, .9fr); gap: clamp(18px, 4vw, 50px);
  min-height: clamp(520px, 72vh, 760px); align-items: center; color: #fff;
  margin: calc(clamp(16px, 3vw, 32px) * -1) calc(clamp(16px, 3vw, 32px) * -1) 32px;
  padding: clamp(28px, 6vw, 70px);
  background:
    linear-gradient(120deg, rgba(6,18,38,.86), rgba(23,105,224,.7)),
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='1200' height='800' viewBox='0 0 1200 800'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.16'%3E%3Cpath d='M0 120h1200M0 260h1200M0 410h1200M0 590h1200M160 0v800M370 0v800M610 0v800M880 0v800M1070 0v800'/%3E%3Ccircle cx='280' cy='220' r='120'/%3E%3Ccircle cx='940' cy='520' r='170'/%3E%3C/g%3E%3C/svg%3E");
  background-size: cover; overflow: hidden;
}
.hero h1 { font-size: clamp(42px, 7vw, 92px); line-height: .95; max-width: 900px; margin-bottom: 20px; letter-spacing: 0; }
.hero p { color: rgba(255,255,255,.84); font-size: clamp(17px, 2vw, 22px); max-width: 680px; }
.hero-actions, .inline-actions, .toolbar-line, .setup-actions { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.eyebrow { display: inline-block; color: var(--brand-2); text-transform: uppercase; letter-spacing: .08em; font-weight: 950; font-size: 12px; margin-bottom: 10px; }
.mosaic { display: grid; grid-template-columns: repeat(3, minmax(90px, 1fr)); gap: 12px; }
.mosaic a {
  min-height: 150px; display: grid; align-content: end; justify-items: center; gap: 10px;
  padding: 16px; border: 1px solid rgba(255,255,255,.2); background: rgba(255,255,255,.12);
  backdrop-filter: blur(8px); border-radius: 8px; text-align: center; font-weight: 900;
}
.avatar { width: 42px; height: 42px; object-fit: cover; border-radius: 50%; background: var(--line); }
.avatar.xl { width: 74px; height: 74px; }
.avatar.jumbo { width: 118px; height: 118px; border: 5px solid var(--surface-strong); }
.section { margin-top: 28px; }
.section-heading { display: flex; align-items: end; justify-content: space-between; gap: 14px; margin-bottom: 16px; }
.member-grid, .card-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(210px, 1fr)); gap: 16px; }
.person-card { padding: 18px; text-align: center; display: grid; justify-items: center; gap: 10px; }
.person-card p, .feature-card p, .list-card p { color: var(--muted); }
.social-grid { display: grid; grid-template-columns: 240px minmax(0,1fr) 260px; gap: 18px; align-items: start; }
.rail { position: sticky; top: 82px; display: grid; gap: 12px; }
.rail a { color: var(--muted); font-weight: 850; }
.composer textarea { min-height: 150px; }
.feed-list, .card-list { display: grid; gap: 16px; }
.post-card { padding: 18px; display: grid; gap: 14px; }
.post-head, .comment, .row-card, .invoice-card, .ad-report { display: flex; align-items: center; gap: 12px; }
.post-head small, .row-card small, .message-card small { display: block; color: var(--muted); }
.post-image, .media { width: 100%; min-height: 210px; object-fit: cover; border-radius: 8px; background: linear-gradient(135deg, rgba(23,105,224,.2), rgba(15,159,143,.2)); background-size: cover; background-position: center; }
.post-actions { display: flex; gap: 8px; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 12px; }
.split { display: grid; grid-template-columns: minmax(0,1fr) minmax(280px, 360px); gap: 18px; align-items: start; }
.feature-card { padding: 16px; display: grid; gap: 10px; }
.list-card, .message-card { padding: 18px; display: grid; gap: 8px; }
.message-grid { display: grid; grid-template-columns: 190px minmax(0,1fr) 320px; gap: 18px; align-items: start; }
.mail-app { display: grid; grid-template-columns: 210px minmax(280px,.85fr) minmax(320px,1.1fr) minmax(300px,.75fr); gap: 14px; align-items: start; }
.mail-folders { display: grid; gap: 8px; position: sticky; top: 84px; }
.mail-folders a { padding: 11px 12px; border-radius: 8px; color: var(--muted); font-weight: 900; }
.mail-folders a.active { background: rgba(23,105,224,.14); color: var(--brand); }
.mail-toolbar { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; padding-bottom: 12px; border-bottom: 1px solid var(--line); }
.checkline { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.checkline input { width: auto; }
.mail-rows { display: grid; gap: 6px; margin-top: 12px; max-height: 62vh; overflow: auto; }
.mail-row { display: grid; grid-template-columns: auto minmax(0,1fr); align-items: center; gap: 8px; padding: 8px; border: 1px solid transparent; border-radius: 8px; color: var(--ink); }
.mail-row:hover, .mail-row.selected { border-color: var(--brand); background: rgba(23,105,224,.1); }
.mail-row input { width: auto; }
.mail-row a { min-width: 0; display: flex; align-items: center; gap: 10px; }
.mail-row span { min-width: 0; }
.mail-row strong, .mail-row small { display: block; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.mail-detail { min-height: 420px; }
.message-body { margin: 18px 0; padding: 16px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-strong); }
.compose-drawer { position: sticky; top: 84px; }
.muted, .empty-state { color: var(--muted); }
.search-bar { display: flex; gap: 10px; margin: 0 0 18px; }
.search-results, .dashboard-panels { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 18px; align-items: start; }
.search-section { display: grid; gap: 10px; }
.search-hit { align-items: flex-start; }
.search-hit span { min-width: 0; }
.search-hit small { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.grid-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.span { grid-column: 1 / -1; }
.stack { display: grid; gap: 14px; }
.compact-form { margin-top: 10px; gap: 8px; }
.compact-form textarea { min-height: 82px; }
hr { width: 100%; border: 0; border-top: 1px solid var(--line); margin: 18px 0; }
.toggle-set { border: 1px solid var(--line); border-radius: 8px; padding: 14px; display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 10px; }
.toggle-set label { display: flex; align-items: center; gap: 8px; color: var(--ink); }
.toggle-set input { width: auto; }
.profile-hero { height: clamp(180px, 28vw, 340px); border-radius: 8px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); background-size: cover; background-position: center; margin-bottom: -54px; }
.profile-card { position: relative; display: flex; align-items: end; gap: 18px; margin-inline: clamp(10px, 3vw, 34px); }
.org-logo { width: 70px; height: 70px; border-radius: 8px; object-fit: cover; margin-top: -45px; border: 4px solid var(--surface-strong); }
.ad-report { padding: 14px; align-items: stretch; }
.ad-report img { width: 180px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 8px; }
.stats { display: flex; gap: 10px; flex-wrap: wrap; margin: 12px 0; }
.stats span { padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-strong); }
.stats b { display: block; font-size: 24px; }
.ad-slot { display: grid; gap: 6px; padding: 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); }
.ad-slot img { width: 100%; border-radius: 6px; }
.ad-slot span { color: var(--muted); font-size: 12px; }
.admin-grid { display: grid; grid-template-columns: 320px minmax(0, 1fr); gap: 22px; align-items: start; }
.admin-menu { display: grid; gap: 12px; align-self: start; position: sticky; top: 84px; }
.admin-menu input { margin-bottom: 6px; }
.admin-menu details {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-strong) 70%, transparent);
  overflow: hidden;
}
.admin-menu summary {
  list-style: none;
  cursor: pointer;
  padding: 16px;
  font-size: 18px;
  font-weight: 950;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.admin-menu summary::-webkit-details-marker { display: none; }
.admin-menu summary::after {
  content: "";
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
}
.admin-menu details[open] summary::after { transform: rotate(225deg); }
.admin-menu a { display: block; padding: 11px 16px; color: var(--muted); font-weight: 900; border-top: 1px solid var(--line); }
.admin-menu a.active { background: rgba(23,105,224,.14); color: var(--brand); }
.admin-menu [hidden] { display: none; }
.admin-content { min-height: 520px; }
.admin-row { display: grid; grid-template-columns: repeat(7, minmax(100px, 1fr)); gap: 8px; align-items: center; border-bottom: 1px solid var(--line); padding: 12px 0; }
.admin-row.module-row {
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: color-mix(in srgb, var(--surface-strong) 62%, transparent);
}
.admin-row.module-row small {
  color: var(--muted);
  overflow-wrap: anywhere;
}
.setup-page { min-height: 100vh; display: grid; place-items: start center; padding: clamp(18px, 4vw, 44px); }
.setup-shell { width: min(1180px, 100%); }
.setup-card h1 { font-size: clamp(34px, 6vw, 70px); line-height: 1; }
.check-grid { display: grid; gap: 8px; margin: 16px 0 24px; }
.check-row { display: grid; grid-template-columns: minmax(0,1fr) 70px minmax(120px,.8fr); gap: 12px; align-items: center; padding: 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface-strong); }
.check-row strong { text-align: center; color: #fff; border-radius: 999px; padding: 4px 8px; background: var(--warn); }
.check-row.ok strong { background: var(--ok); }
.clean-list { columns: 2; }
.wysiwyg-toolbar { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 8px; }
.wysiwyg-editor { min-height: 130px; border: 1px solid var(--line); border-radius: 8px; padding: 12px; background: var(--surface-strong); }
.drop-ready { outline: 2px dashed var(--brand); outline-offset: 4px; }
.pager { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 18px; }
.pager a { padding: 8px 12px; border: 1px solid var(--line); border-radius: 8px; }
.pager a.active { background: var(--brand); color: #fff; border-color: var(--brand); }
.ux-changelog {
  width: min(1440px, 100%);
  margin: 0 auto;
  padding: 18px clamp(16px, 3vw, 32px) 32px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: var(--muted);
}
.ux-changelog strong, .ux-changelog span {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 999px;
  padding: 8px 12px;
}
@media (max-width: 1100px) {
  .social-grid, .message-grid, .mail-app { grid-template-columns: 1fr; }
  .rail { position: static; }
  .split { grid-template-columns: 1fr; }
  .mail-folders, .compose-drawer { position: static; }
}
@media (max-width: 820px) {
  .app-topbar { flex-wrap: wrap; }
  .nav-toggle { display: inline-grid; place-items: center; }
  .main-nav { display: none; width: 100%; justify-content: stretch; align-items: stretch; flex-direction: column; }
  .main-nav.open { display: grid; }
  .main-nav a, .main-nav button { width: 100%; text-align: left; }
  .nav-group div { position: static; box-shadow: none; margin-top: 6px; }
  .admin-nav-strip { position: static; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-block: 46px; }
  .mosaic { grid-template-columns: repeat(2, minmax(110px,1fr)); }
  .grid-form, .admin-grid { grid-template-columns: 1fr; }
  .admin-row { grid-template-columns: 1fr; }
  .profile-card { display: grid; margin-inline: 0; }
}
@media (max-width: 560px) {
  .app-shell { padding: 12px; }
  .hero { margin: -12px -12px 20px; padding: 28px 16px; }
  .hero h1 { font-size: 42px; }
  .mosaic { grid-template-columns: 1fr; }
  .search-bar, .post-head, .row-card, .invoice-card, .ad-report { align-items: stretch; flex-direction: column; }
  .ad-report img { width: 100%; }
  .check-row { grid-template-columns: 1fr; }
}