@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root{
  --glass-bg: rgba(255,255,255,0.85);
  --glass-border: rgba(255,255,255,0.25);
  --glass-shadow: 0 20px 40px -10px rgba(0,0,0,0.35);
  --glass-blur: blur(18px);
}
* { font-family: 'Inter', sans-serif; }
html { scroll-behavior: smooth; }

body {
  background-color: #0f172a;
  background-image:
    radial-gradient(at 0% 0%, #134e4a 0px, transparent 50%),
    radial-gradient(at 100% 0%, #0c4a6e 0px, transparent 50%),
    radial-gradient(at 100% 100%, #1e1b4b 0px, transparent 50%);
  color: #0f172a;
  min-height: 100vh;
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}
.glass-dark {
  background: rgba(15,23,42,0.6);
  color: #e2e8f0;
  border: 1px solid rgba(255,255,255,0.1);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 40px -10px rgba(0,0,0,0.55);
}
.shadow-3d {
  box-shadow:
    0 15px 25px rgba(2,6,23,0.08),
    0 6px 10px rgba(2,6,23,0.05),
    inset 0 0 0 1px rgba(2,6,23,0.05);
  transform: translateZ(0);
  transition: transform .18s ease, box-shadow .18s ease, background-color .18s ease;
}
.shadow-3d:hover { transform: translateY(-3px); }

.nav-link {
  position: relative;
  transition: color .2s ease, background .2s ease, transform .2s ease;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; border-radius: 14px;
}
.nav-link::after{
  content:'';
  position:absolute; inset:0; border-radius: 14px;
  background: radial-gradient(110px 40px at var(--mx,50%) 0%, rgba(255,255,255,.12), transparent 50%);
  opacity:0; transition: opacity .2s ease; pointer-events: none;
}
.nav-link:hover{ transform: translateY(-1px); }
.nav-link:hover::after{ opacity: 1; }

.nav-link.active {
    background: rgba(255,255,255,0.1);
    color: white;
    font-weight: 600;
}

::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: rgba(255,255,255,.06); border-radius: 10px; }
::-webkit-scrollbar-thumb { background: rgba(0,0,0,.25); border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,.35); }

/* Toast стили */
.toast {
  position: fixed;
  top: 20px;
  right: 20px;
  padding: 12px 20px;
  border-radius: 12px;
  z-index: 1000;
  display: flex;
  align-items: center;
  gap: 10px;
  color: white;
  font-weight: 500;
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
  opacity: 0;
  transform: translateX(100%);
  transition: opacity 0.3s, transform 0.3s;
}
.toast.show {
  opacity: 1;
  transform: translateX(0);
}
.toast.success { background: linear-gradient(135deg, #10b981 0%, #059669 100%); }
.toast.error { background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%); }
.toast.warning { background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%); }
.toast.info { background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%); }

/* Стили для печати */
@media print {
  /* Скрываем все элементы кроме области печати */
  body * {
    visibility: hidden;
  }
  
  /* Показываем только область печати */
  #printArea, #printArea * {
    visibility: visible;
  }
  
  #printArea {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    background: white !important;
    color: black !important;
  }
  
  /* Убираем фоны и тени при печати */
  .glass, .glass-dark, .shadow-3d {
    background: white !important;
    box-shadow: none !important;
    border: 1px solid #ccc !important;
  }
  
  /* Скрываем навигацию и кнопки */
  nav, aside, button, .no-print {
    display: none !important;
  }
  
  /* Улучшаем читаемость текста */
  body {
    background: white !important;
    color: black !important;
    font-size: 12pt;
  }
  
  /* Разрывы страниц */
  .page-break {
    page-break-before: always;
  }
  
  .avoid-break {
    page-break-inside: avoid;
  }
  
  /* Ссылки */
  a {
    color: black !important;
    text-decoration: underline;
  }
  
  /* Изображения */
  img {
    max-width: 100%;
  }
}