:root {
  --bg: #f3ecdd;
  --bg-soft: #fff9ef;
  --text: #2a241c;
  --muted: #695f51;
  --card: #fffdf7;
  --line: #dacfbf;
  --accent: #1f6e52;
  --danger: #8f2a2a;
}
:root.dark {
  --bg: #17130f;
  --bg-soft: #221b15;
  --text: #efe8db;
  --muted: #bcae97;
  --card: #201913;
  --line: #3a3027;
  --accent: #5ed2a7;
  --danger: #ff8f8f;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", "Noto Sans", sans-serif;
  color: var(--text);
  background: radial-gradient(circle at top right, var(--bg-soft), var(--bg));
}
a { color: var(--accent); }
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklab, var(--bg) 88%, #ffffff 12%);
  backdrop-filter: blur(4px);
}
.brand { font-weight: 700; }
.menu { display: flex; gap: 0.6rem; align-items: center; flex-wrap: wrap; }
.container { padding: 1rem; max-width: 1400px; margin: 0 auto; }
.grid { display: grid; gap: 0.9rem; }
.cols-4 { grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.9rem;
}
.metric p { font-size: 1.8rem; margin: 0.3rem 0 0; }
.muted { color: var(--muted); }
.table-wrap { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  min-width: 0;
  table-layout: fixed;
}
th, td {
  border-bottom: 1px solid var(--line);
  padding: 0.55rem;
  text-align: left;
  vertical-align: top;
  overflow-wrap: anywhere;
}
input, select, button {
  padding: 0.45rem 0.55rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--bg-soft);
  color: var(--text);
}
.btn {
  background: var(--accent);
  border-color: transparent;
  color: #ffffff;
  cursor: pointer;
}
.btn-secondary { background: transparent; color: var(--text); border-color: var(--line); }
.btn-danger { background: var(--danger); color: #fff; border-color: transparent; }
.filters {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 0.6rem;
  margin-bottom: 0.8rem;
}
.pager {
  margin-top: 0.8rem;
  display: flex;
  gap: 0.55rem;
  flex-wrap: wrap;
}
.rowform { display: flex; gap: 0.4rem; margin-bottom: 0.35rem; }
.session-config {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.6rem;
  margin-top: 0.7rem;
}
.session-config label {
  display: grid;
  gap: 0.35rem;
}
.sessions-list {
  display: grid;
  gap: 0.9rem;
}
.session-card {
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.75rem;
  background: color-mix(in oklab, var(--card) 97%, #ffffff 3%);
}
.session-head {
  display: flex;
  justify-content: space-between;
  align-items: start;
  gap: 0.8rem;
}
.session-head h3 {
  margin: 0;
  font-size: 1rem;
}
.session-head p {
  margin: 0.2rem 0 0;
}
.status-pill {
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  border: 1px solid var(--line);
}
.status-active {
  background: color-mix(in oklab, var(--accent) 20%, transparent);
}
.status-pending {
  background: color-mix(in oklab, #c58a22 20%, transparent);
}
.status-denied,
.status-removed {
  background: color-mix(in oklab, var(--danger) 20%, transparent);
}
.session-grid {
  margin-top: 0.65rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 0.55rem 0.8rem;
}
.participants-block {
  margin-top: 0.7rem;
}
.session-actions {
  margin-top: 0.7rem;
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.session-details {
  margin-top: 0.7rem;
}
.tool-list {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.45rem;
  max-height: 160px;
  overflow: auto;
  background: var(--bg-soft);
}
.tool-check {
  display: flex;
  align-items: flex-start;
  gap: 0.45rem;
  margin-bottom: 0.35rem;
}
.tool-check span {
  font-size: 0.92rem;
  line-height: 1.25rem;
}
.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}
.login-card { width: min(460px, 95vw); }
.error { color: var(--danger); font-weight: 600; }
@media (max-width: 640px) {
  .topbar { align-items: flex-start; gap: 0.5rem; flex-direction: column; }
  .rowform { flex-direction: column; }
  .session-actions { flex-direction: column; }
}

@media (max-width: 980px) {
  .responsive-table table,
  .responsive-table thead,
  .responsive-table tbody,
  .responsive-table tr,
  .responsive-table th,
  .responsive-table td {
    display: block;
    width: 100%;
  }

  .responsive-table thead {
    display: none;
  }

  .responsive-table tr {
    border: 1px solid var(--line);
    border-radius: 10px;
    margin-bottom: 0.6rem;
    padding: 0.35rem;
    background: color-mix(in oklab, var(--card) 96%, #ffffff 4%);
  }

  .responsive-table td {
    border: 0;
    border-bottom: 1px dashed var(--line);
    padding: 0.5rem;
    display: grid;
    grid-template-columns: minmax(90px, 120px) 1fr;
    gap: 0.55rem;
    align-items: start;
  }

  .responsive-table td:last-child {
    border-bottom: 0;
  }

  .responsive-table td::before {
    content: attr(data-label);
    color: var(--muted);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.02em;
  }
}