:root {
  --bg: #f3f0ea;
  --bg-elev: #fffdf8;
  --ink: #1c2a33;
  --muted: #5f6d76;
  --line: #d9d2c6;
  --brand: #0f5c5a;
  --brand-2: #187874;
  --accent: #c45c26;
  --success: #1f7a4c;
  --danger: #b42318;
  --warning: #9a6700;
  --info: #175cd3;
  --shadow: 0 10px 30px rgba(28, 42, 51, 0.08);
  --radius: 14px;
  --sidebar: #10282a;
  --sidebar-ink: #e7efee;
  --font: "DM Sans", system-ui, sans-serif;
  --display: "Source Serif 4", Georgia, serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(15, 92, 90, 0.08), transparent 28%),
    linear-gradient(180deg, #efe9df 0%, var(--bg) 40%, #ebe6de 100%);
  min-height: 100vh;
}

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

.app-shell { display: grid; grid-template-columns: 260px 1fr; min-height: 100vh; }
.sidebar {
  background: linear-gradient(180deg, #123336 0%, var(--sidebar) 100%);
  color: var(--sidebar-ink);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: sticky;
  top: 0;
  height: 100vh;
}
.brand { display: flex; gap: .85rem; align-items: center; }
.brand-mark {
  width: 42px; height: 42px; border-radius: 12px;
  display: grid; place-items: center;
  background: linear-gradient(135deg, #2aa39c, #0f5c5a);
  font-weight: 700; color: white;
}
.brand-name { font-family: var(--display); font-size: 1.2rem; line-height: 1.1; }
.brand-sub { font-size: .75rem; opacity: .7; }
.nav { display: flex; flex-direction: column; gap: .25rem; flex: 1; overflow: auto; }
.nav-link {
  color: rgba(231,239,238,.85);
  padding: .65rem .8rem;
  border-radius: 10px;
  text-decoration: none;
  font-size: .92rem;
}
.nav-link:hover { background: rgba(255,255,255,.08); text-decoration: none; }
.sidebar-foot { border-top: 1px solid rgba(255,255,255,.1); padding-top: 1rem; display: grid; gap: .75rem; }
.user-chip strong { display: block; font-size: .9rem; }
.user-chip span { font-size: .75rem; opacity: .7; }

.main { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 1.25rem 1.5rem .5rem;
}
.topbar h1 {
  margin: 0;
  font-family: var(--display);
  font-size: 1.7rem;
  font-weight: 700;
}
.content { padding: 1rem 1.5rem 2rem; display: grid; gap: 1rem; }
.footer { padding: 1rem 1.5rem 1.5rem; color: var(--muted); font-size: .85rem; }

.card {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 1.1rem 1.2rem;
}
.card-header {
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
  margin-bottom: .9rem;
}
.card-header h2, .card h2 { margin: 0; font-size: 1.05rem; font-family: var(--display); }

.stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1rem;
}
.stat {
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
}
.stat .label { color: var(--muted); font-size: .82rem; }
.stat .value { font-size: 1.6rem; font-weight: 700; margin-top: .25rem; font-family: var(--display); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .4rem;
  border: 0; border-radius: 10px; padding: .6rem 1rem;
  font: inherit; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:hover { text-decoration: none; filter: brightness(1.05); }
.btn-primary { background: var(--brand); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-secondary { background: #e8e1d5; color: var(--ink); }
.btn-danger { background: var(--danger); color: #fff; }
.btn-ghost { background: transparent; color: inherit; border: 1px solid rgba(255,255,255,.2); }
.btn-sm { padding: .4rem .7rem; font-size: .85rem; }

.table-wrap { overflow: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .7rem .55rem; border-bottom: 1px solid var(--line); text-align: left; font-size: .92rem; vertical-align: top; }
th { color: var(--muted); font-weight: 600; font-size: .78rem; text-transform: uppercase; letter-spacing: .04em; }

.form-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.form-grid .full { grid-column: 1 / -1; }
label { display: grid; gap: .35rem; font-size: .88rem; color: var(--muted); }
input, select, textarea {
  width: 100%; border: 1px solid var(--line); border-radius: 10px;
  padding: .65rem .75rem; font: inherit; background: #fff; color: var(--ink);
}
textarea { min-height: 100px; resize: vertical; }
.actions { display: flex; gap: .6rem; flex-wrap: wrap; margin-top: .5rem; }

.badge {
  display: inline-flex; align-items: center;
  border-radius: 999px; padding: .2rem .55rem;
  font-size: .75rem; font-weight: 600;
}
.badge-success { background: #e3f6eb; color: var(--success); }
.badge-danger { background: #fde8e6; color: var(--danger); }
.badge-warning { background: #fff4d6; color: var(--warning); }
.badge-info { background: #e7f0ff; color: var(--info); }
.badge-muted { background: #eeeae3; color: var(--muted); }

.alert {
  border-radius: 12px; padding: .85rem 1rem; border: 1px solid;
}
.alert-success { background: #e8f7ef; border-color: #b7e4c7; color: var(--success); }
.alert-error { background: #fdecea; border-color: #f5c2c0; color: var(--danger); }
.alert-info { background: #eaf2ff; border-color: #c2d6ff; color: var(--info); }

.auth-page {
  min-height: 100vh; display: grid; place-items: center; padding: 1.5rem;
  background:
    linear-gradient(135deg, rgba(16,40,42,.92), rgba(15,92,90,.75)),
    url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}
.auth-card {
  width: min(420px, 100%);
  background: var(--bg-elev);
  border-radius: 18px;
  padding: 1.75rem;
  box-shadow: var(--shadow);
}
.auth-card h1 { font-family: var(--display); margin: 0 0 .35rem; }
.auth-card p.lead { margin: 0 0 1.25rem; color: var(--muted); }
.stack { display: grid; gap: .85rem; }
.muted { color: var(--muted); }
.grid-2 { display: grid; grid-template-columns: 1.2fr .8fr; gap: 1rem; }
.list-plain { list-style: none; margin: 0; padding: 0; display: grid; gap: .65rem; }
.list-plain li {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: .65rem 0; border-bottom: 1px solid var(--line); font-size: .92rem;
}
.notif-pill {
  background: #ffe8d8; color: var(--accent);
  border-radius: 999px; padding: .3rem .7rem; font-size: .8rem; font-weight: 700;
}
.empty { padding: 1.5rem; text-align: center; color: var(--muted); }

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: relative; height: auto; }
  .stats, .form-grid, .grid-2 { grid-template-columns: 1fr; }
}