/* ============================================================
   تسکا — لایه پرمیوم (افزودنی؛ بدون تغییر هسته)
   منوی دسته‌بندی‌شونده + پولیش بصری + واکنش‌گرایی
   ============================================================ */
:root {
  --tk-navy: #141c42; --tk-plum: #2a1f5c; --tk-gold: #e8c46a;
  --tk-gold-soft: #f5e2ac; --tk-green: #0aa45f; --tk-ink: #1c2440;
  --tk-muted: #6b7694; --tk-line: #e2e8f2; --tk-bg: #f4f6fb;
  --tk-radius: 16px; --tk-shadow: 0 10px 30px rgba(20, 28, 66, .1);
}

/* ---------- منوی دسته‌بندی‌شونده ---------- */
.corp-nav .nav-group { position: relative; display: inline-block; }
.corp-nav .nav-group > a::after { content: ' ▾'; font-size: 11px; opacity: .7; }
.corp-nav .nav-drop {
  display: none; position: absolute; top: 100%; right: 0; z-index: 9000;
  min-width: 220px; padding: 8px; margin: 0; list-style: none;
  background: rgba(255, 255, 255, .98); border: 1px solid var(--tk-line);
  border-radius: 14px; box-shadow: 0 18px 50px rgba(10, 15, 40, .22);
}
.corp-nav .nav-group:hover .nav-drop,
.corp-nav .nav-group:focus-within .nav-drop { display: block; animation: tkDrop .22s ease; }
@keyframes tkDrop { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: none; } }
.corp-nav .nav-drop a {
  display: flex !important; align-items: center; gap: 8px;
  padding: 10px 12px !important; border-radius: 10px; font-size: 13.5px !important;
  color: var(--tk-ink) !important; text-decoration: none; white-space: nowrap;
}
.corp-nav .nav-drop a:hover { background: linear-gradient(135deg, #f2ecda, #eef1f7) !important; color: var(--tk-navy) !important; }
.corp-nav .nav-drop a small { display: block; font-size: 11px; color: var(--tk-muted); }

/* ---------- پولیش کارت‌ها و دکمه‌ها ---------- */
.selector-card, .glass-card {
  background: #fff; border: 1px solid var(--tk-line);
  border-radius: var(--tk-radius); box-shadow: var(--tk-shadow);
  transition: transform .25s ease, box-shadow .25s ease;
}
a.selector-card:hover { transform: translateY(-3px); box-shadow: 0 16px 40px rgba(20, 28, 66, .16); }
.section-head h2 { letter-spacing: -.2px; }
.section-head h2::after {
  content: ''; display: block; width: 56px; height: 4px; margin-top: 8px;
  border-radius: 4px; background: linear-gradient(90deg, var(--tk-gold), var(--tk-plum));
}

.btn-premium {
  display: inline-block; font-family: inherit; font-size: 14.5px; font-weight: 800;
  color: #fff !important; text-decoration: none; cursor: pointer;
  border: none; border-radius: 14px; padding: 13px 26px;
  background: linear-gradient(135deg, var(--tk-navy), var(--tk-plum));
  box-shadow: 0 10px 26px rgba(20, 28, 66, .35), inset 0 0 0 1px rgba(232, 196, 106, .5);
  transition: transform .2s ease, box-shadow .2s ease;
}
.btn-premium:hover { transform: translateY(-2px); box-shadow: 0 16px 34px rgba(20, 28, 66, .45), inset 0 0 0 1px var(--tk-gold); }
.btn-premium:disabled { opacity: .6; cursor: default; transform: none; }
.btn-gold {
  display: inline-block; font-family: inherit; font-size: 14px; font-weight: 800;
  color: var(--tk-navy) !important; text-decoration: none; cursor: pointer;
  border: none; border-radius: 14px; padding: 12px 24px;
  background: linear-gradient(135deg, var(--tk-gold), var(--tk-gold-soft));
  box-shadow: 0 8px 22px rgba(232, 196, 106, .4); transition: transform .2s ease;
}
.btn-gold:hover { transform: translateY(-2px); }

/* ---------- فرم‌ها ---------- */
.premium-form .field { margin-bottom: 14px; }
.premium-form label { display: block; font-size: 13px; font-weight: 700; color: var(--tk-ink); margin-bottom: 6px; }
.premium-form input, .premium-form select, .premium-form textarea {
  width: 100%; box-sizing: border-box; font-family: inherit; font-size: 14px;
  padding: 12px 14px; border: 1.5px solid #c9d3e8; border-radius: 12px; background: #fff; outline: none;
  transition: border-color .2s, box-shadow .2s;
}
.premium-form input:focus, .premium-form select:focus, .premium-form textarea:focus {
  border-color: var(--tk-plum); box-shadow: 0 0 0 3px rgba(42, 31, 92, .12);
}
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

/* ---------- اعلان‌ها ---------- */
.alert { padding: 12px 16px; border-radius: 12px; font-size: 13.5px; line-height: 1.9; margin: 12px 0; border: 1px solid transparent; }
.alert-success { background: #e9f9f1; border-color: #b9e8cf; color: #0a6e41; }
.alert-warning { background: #fdf3e3; border-color: #f3dcae; color: #8a5a13; }
.alert-info { background: #eaf1fd; border-color: #c3d5f5; color: #27437f; }
.alert-danger { background: #fdeeee; border-color: #f5c6c6; color: #96292e; }

/* ---------- لیست چک‌دار ---------- */
.check-list { list-style: none; margin: 0 0 14px; padding: 0; display: grid; gap: 10px; }
.check-list li { position: relative; padding-right: 30px; font-size: 13.5px; line-height: 2; color: var(--tk-ink); }
.check-list li::before {
  content: '✓'; position: absolute; right: 0; top: 4px;
  width: 20px; height: 20px; border-radius: 50%; font-size: 12px; font-weight: 900;
  background: linear-gradient(135deg, var(--tk-green), #067a46); color: #fff;
  display: flex; align-items: center; justify-content: center;
}

/* ---------- گرید نمایندگی ---------- */
.agent-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 18px; align-items: start; }
.agent-grid .selector-card { padding: 22px; }

/* ---------- انیمیشن ظاهرشدن با اسکرول ---------- */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; transition: none; } }

/* ---------- دکمه بازگشت به بالا ---------- */
#tkTop {
  position: fixed; bottom: 22px; left: 22px; z-index: 9989;
  width: 46px; height: 46px; border-radius: 50%; border: 1px solid rgba(232, 196, 106, .6);
  background: linear-gradient(135deg, var(--tk-navy), var(--tk-plum)); color: var(--tk-gold);
  font-size: 18px; cursor: pointer; opacity: 0; pointer-events: none;
  transform: translateY(12px); transition: all .3s ease; box-shadow: 0 10px 24px rgba(20, 28, 66, .35);
}
#tkTop.show { opacity: 1; pointer-events: auto; transform: none; }
#tkTop:hover { transform: translateY(-3px); }

/* ---------- جدول‌های واکنش‌گرا ---------- */
.table-wrap { overflow-x: auto; border-radius: 12px; border: 1px solid var(--tk-line); }
.table-wrap table { margin: 0; min-width: 640px; }

/* ---------- موبایل ---------- */
@media (max-width: 760px) {
  .corp-nav .container { overflow-x: auto; white-space: nowrap; }
  .corp-nav .nav-drop { position: fixed; top: auto; right: 12px; left: 12px; min-width: 0; }
  .agent-grid, .form-row { grid-template-columns: 1fr; }
  #tkTop { bottom: 150px; left: 14px; }
}