:root {
  --teal: #019587;
  --teal-d: #017a6f;
  --navy: #153A59;
  --cream: #F7F5F0;
  --card: #ffffff;
  --border: #E7E4DC;
  --muted: #7A8891;
  --warn: #a67c00;
  --danger: #c0392b;
  --ok: #1e7a45;
  --radius: 14px;
  --shadow: 0 8px 28px rgba(21, 58, 89, .08);
  font-family: Tahoma, "Segoe UI", Vazirmatn, sans-serif;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--cream);
  color: var(--navy);
  direction: rtl;
  min-height: 100%;
}
a { color: var(--teal); text-decoration: none; }
button, input, select, textarea { font: inherit; }
.hidden { display: none !important; }

/* shell */
#app { min-height: 100vh; display: flex; flex-direction: column; }
.topbar {
  background: linear-gradient(135deg, #0d4a52, #019587);
  color: #fff;
  padding: 12px 18px;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  position: sticky; top: 0; z-index: 20;
}
.topbar .brand { font-weight: 800; font-size: 15px; }
.topbar .user-chip { font-size: 12px; opacity: .92; }
.topbar .actions { display: flex; gap: 8px; align-items: center; }
.btn {
  border: none; border-radius: 10px; padding: 10px 16px; cursor: pointer;
  font-weight: 700; font-size: 13.5px; transition: .15s;
}
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn-primary { background: var(--teal); color: #fff; }
.btn-primary:hover { background: var(--teal-d); }
.btn-ghost { background: rgba(255,255,255,.15); color: #fff; }
.btn-outline {
  background: #fff; color: var(--teal); border: 1.5px solid var(--teal);
}
.btn-danger { background: #fdecea; color: var(--danger); }
.btn-sm { padding: 7px 12px; font-size: 12.5px; }

.layout { display: flex; flex: 1; min-height: 0; }
.sidebar {
  width: 220px; background: #fff; border-left: 1px solid var(--border);
  padding: 16px 10px; flex-shrink: 0;
}
.sidebar button {
  width: 100%; text-align: right; background: transparent; border: none;
  padding: 11px 12px; border-radius: 10px; cursor: pointer; color: var(--navy);
  font-weight: 600; font-size: 13.5px; margin-bottom: 4px;
}
.sidebar button.active, .sidebar button:hover {
  background: #e8f6f4; color: var(--teal-d);
}
.main { flex: 1; padding: 20px 18px 40px; max-width: 1100px; width: 100%; margin: 0 auto; }

.card {
  background: var(--card); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow);
  margin-bottom: 14px;
}
.card h2, .card h3 { margin: 0 0 10px; }
.muted { color: var(--muted); font-size: 13px; line-height: 1.7; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
@media (max-width: 800px) {
  .layout { flex-direction: column; }
  .sidebar { width: 100%; display: flex; gap: 6px; overflow-x: auto; border: none; border-bottom: 1px solid var(--border); }
  .sidebar button { width: auto; white-space: nowrap; }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}

.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12.5px; font-weight: 700; margin-bottom: 5px; color: var(--navy); }
.field input, .field select, .field textarea {
  width: 100%; padding: 10px 12px; border: 1.5px solid var(--border);
  border-radius: 10px; background: #fff;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none; border-color: var(--teal);
}

.stat {
  background: #fff; border: 1px solid var(--border); border-radius: 12px;
  padding: 14px; text-align: center;
}
.stat .n { font-size: 22px; font-weight: 800; color: var(--teal); }
.stat .l { font-size: 12px; color: var(--muted); margin-top: 4px; }

.table { width: 100%; border-collapse: collapse; font-size: 13px; }
.table th, .table td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: right; }
.table th { color: var(--muted); font-weight: 700; font-size: 12px; }

.badge {
  display: inline-block; padding: 3px 8px; border-radius: 20px;
  font-size: 11.5px; font-weight: 700;
}
.badge-ok { background: #e6f6ec; color: var(--ok); }
.badge-warn { background: #FBF3E2; color: var(--warn); }
.badge-danger { background: #fdecea; color: var(--danger); }
.badge-info { background: #e8f0fe; color: #1a56a8; }

.slot {
  display: inline-block; padding: 8px 12px; margin: 4px;
  border: 1.5px solid var(--border); border-radius: 10px;
  cursor: pointer; font-weight: 700; font-size: 13px; background: #fff;
}
.slot:hover, .slot.active { border-color: var(--teal); background: #e8f6f4; color: var(--teal-d); }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%);
  background: var(--navy); color: #fff; padding: 12px 18px; border-radius: 12px;
  font-size: 13.5px; z-index: 100; box-shadow: var(--shadow); max-width: 90%;
}
.toast.err { background: var(--danger); }

.login-wrap {
  max-width: 420px; margin: 40px auto; padding: 0 16px;
}
.hero-login {
  background: linear-gradient(135deg, #0d4a52, #019587);
  color: #fff; border-radius: 18px; padding: 28px 24px; text-align: center; margin-bottom: 16px;
}
.hero-login h1 { margin: 0 0 8px; font-size: 22px; }
.tabs { display: flex; gap: 6px; margin-bottom: 14px; }
.tabs button {
  flex: 1; padding: 10px; border-radius: 10px; border: 1.5px solid var(--border);
  background: #fff; cursor: pointer; font-weight: 700;
}
.tabs button.active { background: var(--teal); color: #fff; border-color: var(--teal); }

.ther-card {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px; border: 1px solid var(--border); border-radius: 12px;
  background: #fff; margin-bottom: 10px;
}
.ther-card h3 { margin: 0 0 4px; font-size: 15px; }
.empty { text-align: center; padding: 28px; color: var(--muted); }

.stepper { display: flex; gap: 8px; margin-bottom: 16px; flex-wrap: wrap; }
.stepper span {
  padding: 6px 12px; border-radius: 20px; background: #eee; font-size: 12px; font-weight: 700;
}
.stepper span.on { background: #e8f6f4; color: var(--teal-d); }