:root {
  --bg: #f3efe6;
  --bg-accent: #e4dccb;
  --ink: #1f2a24;
  --muted: #5c6b63;
  --line: #c9c0b0;
  --card: #fffdf8;
  --accent: #2f6f5e;
  --accent-soft: #d7ebe4;
  --danger: #8a3b2d;
  --shadow: 0 10px 30px rgba(31, 42, 36, 0.08);
  --radius: 18px;
  --font-display: "Fraunces", Georgia, serif;
  --font-body: "Source Sans 3", "Segoe UI", sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  min-height: 100%;
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(circle at top left, #efe6d4 0%, transparent 40%),
    radial-gradient(circle at bottom right, #d9ebe3 0%, transparent 35%),
    var(--bg);
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.shell {
  width: min(1100px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 1rem 0 3rem;
}

.topbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1rem;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.brand {
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.nav a, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  min-height: 2.5rem;
  padding: 0.45rem 0.9rem;
  border-radius: 999px;
  border: 1px solid transparent;
  background: var(--card);
  color: var(--ink);
  box-shadow: var(--shadow);
  text-decoration: none;
  cursor: pointer;
  font: inherit;
}

.nav a:hover, .btn:hover { text-decoration: none; background: var(--accent-soft); }
.btn-primary { background: var(--accent); color: white; }
.btn-primary:hover { background: #245849; color: white; }
.btn-ghost { background: transparent; box-shadow: none; border-color: var(--line); }
.btn-danger {
  background: var(--danger);
  color: white;
}
.btn-danger:hover { background: #6e2e23; color: white; }
.btn-danger-link {
  color: var(--danger) !important;
  text-decoration: none;
  padding: 0.45rem 0.7rem;
}
.btn-danger-link:hover { text-decoration: underline; }

.hero, .panel {
  background: color-mix(in srgb, var(--card) 92%, white);
  border: 1px solid color-mix(in srgb, var(--line) 70%, white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.25rem;
}

.hero {
  display: grid;
  gap: 1rem;
  margin-bottom: 1.25rem;
  background:
    linear-gradient(135deg, rgba(47, 111, 94, 0.12), transparent 50%),
    var(--card);
}

.hero h1, .panel h1, .panel h2 {
  font-family: var(--font-display);
  margin: 0 0 0.35rem;
  line-height: 1.15;
}

.muted { color: var(--muted); }

.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.75rem;
}

.stat {
  background: var(--bg-accent);
  border-radius: 14px;
  padding: 0.9rem;
}

.stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
}

.search {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.search input, .form input, .form select, .form textarea {
  width: 100%;
  min-height: 2.7rem;
  padding: 0.6rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: white;
  font: inherit;
  color: var(--ink);
}

.search input { flex: 1 1 220px; }

.list {
  display: grid;
  gap: 0.65rem;
  margin-top: 1rem;
}

.person-row {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  align-items: center;
  padding: 0.9rem 1rem;
  border-radius: 14px;
  background: var(--card);
  border: 1px solid color-mix(in srgb, var(--line) 65%, white);
}

.person-row:hover { border-color: var(--accent); }

.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.chip {
  display: inline-flex;
  padding: 0.25rem 0.65rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--ink);
  font-size: 0.92rem;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 1rem;
}

.form {
  display: grid;
  gap: 0.85rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.75rem;
}

.form label {
  display: grid;
  gap: 0.35rem;
  font-size: 0.95rem;
}

.tree {
  display: grid;
  gap: 1rem;
}

.tree-level {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
}

.tree-node {
  min-width: 140px;
  text-align: center;
  padding: 0.85rem;
  border-radius: 14px;
  background: white;
  border: 1px solid var(--line);
}

.tree-node.me {
  background: var(--accent);
  color: white;
  border-color: var(--accent);
}

.tree-node.me a { color: white; }

.alert {
  padding: 0.8rem 1rem;
  border-radius: 12px;
  background: #f7e8e4;
  color: var(--danger);
  margin-bottom: 1rem;
}

.alert-ok {
  background: var(--accent-soft);
  color: #1d4d40;
}

.login-wrap {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.login-card {
  width: min(420px, 100%);
  padding: 1.5rem;
  border-radius: 22px;
  background:
    linear-gradient(160deg, rgba(47,111,94,0.1), transparent 45%),
    var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
}

.login-card h1 {
  font-family: var(--font-display);
  margin: 0 0 0.4rem;
}

.footer {
  margin-top: 2rem;
  color: var(--muted);
  font-size: 0.9rem;
  text-align: center;
}

.treeview {
  margin-top: 0.75rem;
}

.tv-list {
  list-style: none;
  margin: 0;
  padding: 0 0 0 0.4rem;
}

.tv-list .tv-list {
  margin-left: 0.85rem;
  padding-left: 0.85rem;
  border-left: 2px solid color-mix(in srgb, var(--accent) 35%, var(--line));
}

.tv-list li {
  margin: 0.25rem 0;
}

.tv-list details > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.6rem;
  padding: 0.45rem 0.65rem;
  border-radius: 12px;
  background: color-mix(in srgb, var(--card) 80%, var(--bg-accent));
  border: 1px solid transparent;
}

.tv-list details > summary::-webkit-details-marker { display: none; }

.tv-list details > summary::before {
  content: "▸";
  color: var(--accent);
  width: 1rem;
  display: inline-block;
}

.tv-list details[open] > summary::before { content: "▾"; }

.tv-list details > summary:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.tv-list summary a {
  font-weight: 600;
  color: var(--ink);
  text-decoration: none;
}

.tv-list summary a:hover { color: var(--accent); text-decoration: underline; }

.tv-meta { font-size: 0.88rem; margin-left: auto; }

@media (max-width: 760px) {
  .grid-2, .form-row { grid-template-columns: 1fr; }
  .person-row { align-items: flex-start; flex-direction: column; }
  .shell { width: min(1100px, calc(100% - 1.25rem)); }
  .tv-meta { margin-left: 0; width: 100%; }
}