:root {
  --bg: #f4efe7;
  --card: #fffaf2;
  --ink: #1f2a2e;
  --muted: #5e6c70;
  --line: #d6c8b7;
  --accent: #0e7a6d;
  --accent-2: #d6743d;
  --shadow: 0 18px 40px rgba(34, 32, 24, 0.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Segoe UI", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(214, 116, 61, 0.15), transparent 28%),
    radial-gradient(circle at bottom right, rgba(14, 122, 109, 0.12), transparent 30%),
    var(--bg);
}

.shell {
  display: grid;
  grid-template-columns: 320px 1fr;
  min-height: 100vh;
}

.sidebar {
  padding: 24px;
  border-right: 1px solid var(--line);
  background: rgba(255, 250, 242, 0.85);
  backdrop-filter: blur(10px);
}

.content {
  padding: 32px;
}

.brand {
  display: flex;
  gap: 14px;
  align-items: center;
  margin-bottom: 24px;
}

.brand-mark {
  width: 52px;
  height: 52px;
  border-radius: 16px;
  display: grid;
  place-items: center;
  color: white;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  font-weight: 700;
}

.brand-title { font-size: 20px; font-weight: 700; }
.brand-subtitle { font-size: 13px; color: var(--muted); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 20px;
  box-shadow: var(--shadow);
  margin-bottom: 20px;
}

.panel { display: none; }
.panel.active { display: block; }

.panel-head h1 {
  margin: 0 0 8px;
  font-size: 34px;
}

.panel-head p {
  margin: 0 0 24px;
  color: var(--muted);
}

.nav { display: grid; gap: 10px; }
.nav-btn, button {
  border: 0;
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
  font-weight: 600;
}

.nav-btn {
  background: #ece1d1;
  color: var(--ink);
  text-align: left;
}

.nav-btn.active, .primary {
  background: linear-gradient(135deg, var(--accent), var(--button, #169c8b));
  color: white;
}

label {
  display: block;
  margin: 14px 0 6px;
  font-size: 13px;
  color: var(--muted);
}

input, select, textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 12px;
  font: inherit;
  background: #fffdf9;
}

.grid {
  display: grid;
  gap: 20px;
}

.grid.two { grid-template-columns: 2fr 1fr; }
.grid.three { grid-template-columns: repeat(4, 1fr); }
.admin-panel-grid { margin-top: 20px; }
.admin-subpanel { display: none; }
.admin-subpanel.active { display: block; }
.subnav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.subnav-btn {
  border: 0;
  border-radius: 14px;
  padding: 12px 14px;
  cursor: pointer;
  font-weight: 600;
  background: #ece1d1;
  color: var(--ink);
}
.subnav-btn.active {
  background: linear-gradient(135deg, var(--accent), var(--button, #169c8b));
  color: white;
}

.result {
  margin-top: 12px;
  color: var(--muted);
  white-space: pre-wrap;
}

.list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.list-item {
  padding: 14px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: white;
}

.list-head {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
  font-weight: 600;
}

.list-meta {
  color: var(--muted);
  font-size: 14px;
}

.card-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.admin-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.admin-actions button {
  background: #efe5d7;
  color: var(--ink);
}

@media (max-width: 1024px) {
  .shell {
    grid-template-columns: 1fr;
  }

  .grid.two,
  .grid.three {
    grid-template-columns: 1fr;
  }
}