/* ============================================================
   RSK ProLite — Дизайн-система
   Версия: 2.0 (по сообщению №51)
   ============================================================ */

:root {
  /* === Светлая тема === */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-input: #f1f5f9;

  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;

  --border-color: #e2e8f0;
  --border-focus: #14b8a6;

  /* Акцентные цвета */
  --accent: #14b8a6;
  --accent-hover: #0d9488;
  --accent-active: #0f766e;

  --green: #22c55e;
  --green-hover: #16a34a;
  --yellow: #eab308;
  --yellow-hover: #ca8a04;
  --red: #ef4444;
  --red-hover: #dc2626;
  --purple: #8b5cf6;
  --purple-hover: #7c3aed;
  --gray: #64748b;
  --gray-hover: #475569;

  /* Тени */
  --card-shadow: 0 2px 8px rgba(0,0,0,0.06);
  --card-shadow-hover: 0 8px 24px rgba(0,0,0,0.10);
  --modal-shadow: 0 20px 60px rgba(0,0,0,0.30);
  --overlay-bg: rgba(0,0,0,0.5);

  /* Скругления */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-pill: 20px;

  /* Типографика */
  --font: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-mono: 'Courier New', monospace;

  --text-xs: 12px;
  --text-sm: 14px;
  --text-base: 16px;
  --text-lg: 20px;
  --text-xl: 24px;
  --text-2xl: 28px;

  --lh-tight: 1.2;
  --lh-normal: 1.5;

  /* Анимации */
  --transition-fast: 0.15s ease-in-out;
  --transition: 0.2s ease-in-out;
  --transition-slow: 0.3s ease-in-out;

  /* Отступы */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 40px;
}

/* === Тёмная тема === */
body.dark {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-input: #334155;

  --text-primary: #e2e8f0;
  --text-secondary: #94a3b8;
  --text-muted: #64748b;

  --border-color: #334155;
  --border-focus: #3b82f6;

  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-active: #1d4ed8;

  --purple: #a78bfa;
  --purple-hover: #8b5cf6;

  --card-shadow: 0 2px 8px rgba(0,0,0,0.3);
  --card-shadow-hover: 0 8px 24px rgba(0,0,0,0.5);
  --overlay-bg: rgba(0,0,0,0.7);
}

/* === Базовые стили === */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--font);
  font-size: var(--text-base);
  line-height: var(--lh-normal);
  color: var(--text-primary);
  background: var(--bg-primary);
  transition: background var(--transition-slow), color var(--transition-slow);
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; cursor: pointer; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, select, textarea { font-family: inherit; font-size: inherit; }

h1 { font-size: var(--text-2xl); font-weight: 400; line-height: var(--lh-tight); }
h2 { font-size: var(--text-xl); font-weight: 400; line-height: var(--lh-tight); }
h3 { font-size: var(--text-lg); font-weight: 400; line-height: var(--lh-tight); }

.container { max-width: 1400px; margin: 0 auto; padding: 0 var(--sp-5); }

/* === Focus-состояния (доступность) === */
*:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* === Скроллбар === */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-primary); }
::-webkit-scrollbar-thumb { background: var(--border-color); border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }

/* ============================================================
   ШАПКА
   ============================================================ */
header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-secondary);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: var(--sp-2) 0;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  flex-wrap: nowrap;
}

.logo {
  font-size: 20px;
  font-weight: 400;
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  white-space: nowrap;
}
.logo span { color: var(--accent); }
.logo i {
  font-style: normal;
  background: var(--accent);
  color: #fff;
  padding: 0 8px;
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  margin-left: 4px;
}

.nav-menu {
  display: flex;
  gap: var(--sp-5);
  list-style: none;
  align-items: center;
  flex-wrap: wrap;
}
.nav-menu a {
  font-size: 15px;
  font-weight: 400;
  transition: color var(--transition);
}
.nav-menu a:hover { color: var(--accent); }

.theme-toggle {
  font-size: 20px;
  color: var(--text-secondary);
  padding: var(--sp-1);
  transition: color var(--transition), transform var(--transition);
}
.theme-toggle:hover { color: var(--accent); transform: rotate(15deg); }

.lang-select-wrapper select {
  padding: 6px 32px 6px 12px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-pill);
  background: var(--bg-secondary);
  font-size: var(--text-sm);
  color: var(--text-primary);
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23475569' d='M6 8L1 3h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
  transition: border-color var(--transition);
}
.lang-select-wrapper select:focus { outline: none; border-color: var(--accent); }

/* Универсальная кнопка */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  font-weight: 400;
  transition: all var(--transition);
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
}
.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); }
.btn:active:not(:disabled) { transform: translateY(0); }

.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover:not(:disabled) { background: var(--accent-hover); box-shadow: 0 4px 12px rgba(37,99,235,0.3); }
.btn-primary:active:not(:disabled) { background: var(--accent-active); }

.btn-secondary { background: transparent; color: var(--text-secondary); border-color: var(--border-color); }
.btn-secondary:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }

.btn-success { background: var(--green); color: #fff; }
.btn-success:hover:not(:disabled) { background: var(--green-hover); }

.btn-warning { background: var(--yellow); color: #fff; }
.btn-warning:hover:not(:disabled) { background: var(--yellow-hover); }

.btn-danger { background: var(--red); color: #fff; }
.btn-danger:hover:not(:disabled) { background: var(--red-hover); }

.btn-purple { background: var(--purple); color: #fff; }
.btn-purple:hover:not(:disabled) { background: var(--purple-hover); }

.btn-ghost { background: transparent; color: var(--text-secondary); }
.btn-ghost:hover:not(:disabled) { background: var(--bg-primary); color: var(--accent); }

/* Иконочная кнопка */
.btn-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: all var(--transition);
}
.btn-icon:hover {
  border-color: var(--accent);
  color: var(--accent);
  transform: scale(1.05);
}
.btn-icon:active { transform: scale(0.98); }

.btn-icon.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-icon.primary:hover { background: var(--accent-hover); }
.btn-icon.danger:hover { border-color: var(--red); color: var(--red); }
.btn-icon.success:hover { border-color: var(--green); color: var(--green); }
.btn-icon.warning:hover { border-color: var(--yellow); color: var(--yellow); }
.btn-icon.purple:hover { border-color: var(--purple); color: var(--purple); }

/* ============================================================
   ХЛЕБНЫЕ КРОШКИ
   ============================================================ */
#breadcrumbs {
  padding: var(--sp-2) 0;
  font-size: var(--text-sm);
  color: var(--text-muted);
  background: var(--bg-primary);
}
#breadcrumbs a {
  color: var(--accent);
  text-decoration: none;
  transition: color var(--transition);
}
#breadcrumbs a:hover { text-decoration: underline; }
#breadcrumbs span:last-child {
  color: var(--text-secondary);
  font-weight: 400;
}

/* ============================================================
   ОСНОВНАЯ ОБЛАСТЬ
   ============================================================ */
#app {
  min-height: 70vh;
  padding: var(--sp-4) 0;
}

/* === Анимации страниц === */
.page-enter { animation: fadeInUp var(--transition-slow) forwards; }
.page-leave { animation: fadeOutDown var(--transition-fast) forwards; }

@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeOutDown {
  from { opacity: 1; transform: translateY(0); }
  to { opacity: 0; transform: translateY(-12px); }
}

/* ============================================================
   СЕТКИ
   ============================================================ */
.grid-auto {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--sp-4);
}

.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-4); }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-4); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-4); }

/* ============================================================
   КАРТОЧКИ
   ============================================================ */
.card {
  background: var(--bg-secondary);
  border-radius: var(--radius);
  border: 1px solid var(--border-color);
  padding: var(--sp-4);
  box-shadow: var(--card-shadow);
  transition: all var(--transition);
}
.card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}
.card.no-hover:hover { transform: none; }

/* ============================================================
   КАСТОМНЫЕ ЧЕКБОКСЫ
   ============================================================ */
.custom-checkbox {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  cursor: pointer;
  font-size: var(--text-sm);
  user-select: none;
}
.custom-checkbox input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-color);
  border-radius: 4px;
  background: var(--bg-secondary);
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  flex-shrink: 0;
}
.custom-checkbox input[type="checkbox"]:hover {
  border-color: var(--accent);
}
.custom-checkbox input[type="checkbox"]:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.custom-checkbox input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #fff;
  font-size: 12px;
  font-weight: 400;
}
.custom-checkbox input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* ============================================================
   СЛАЙДЕРЫ
   ============================================================ */
input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 6px;
  background: var(--bg-input);
  border-radius: 3px;
  outline: none;
}
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid var(--bg-secondary);
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
}
input[type="range"]::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  cursor: pointer;
  border: 2px solid var(--bg-secondary);
}

/* ============================================================
   ПОЛЯ ВВОДА
   ============================================================ */
.input-field {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-primary);
  font-size: var(--text-base);
  transition: border-color var(--transition), box-shadow var(--transition);
  margin-bottom: var(--sp-3);
}
.input-field:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.1);
}
.input-field::placeholder { color: var(--text-muted); }

/* ============================================================
   TOOLTIPS
   ============================================================ */
[data-tooltip] {
  position: relative;
  cursor: help;
}
[data-tooltip]:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 125%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--text-primary);
  color: var(--bg-secondary);
  padding: 6px 12px;
  border-radius: 6px;
  font-size: var(--text-xs);
  white-space: nowrap;
  z-index: 1000;
  pointer-events: none;
  opacity: 0;
  animation: tooltipFade 0.2s forwards;
  max-width: 300px;
  white-space: normal;
  text-align: center;
}
@keyframes tooltipFade {
  to { opacity: 1; }
}

/* ============================================================
   МОДАЛЬНЫЕ ОКНА
   ============================================================ */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--overlay-bg);
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  padding: var(--sp-4);
  animation: overlayIn var(--transition) forwards;
}
.modal-overlay.active { display: flex; }
@keyframes overlayIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.modal-box {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  padding: var(--sp-6);
  max-width: 700px;
  width: 100%;
  max-height: 85vh;
  overflow-y: auto;
  position: relative;
  box-shadow: var(--modal-shadow);
  animation: modalSlideIn var(--transition) forwards;
}
@keyframes modalSlideIn {
  from { opacity: 0; transform: translateY(20px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-box .close-btn {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 24px;
  cursor: pointer;
  color: var(--text-muted);
  background: none;
  border: none;
  padding: 4px;
  line-height: 1;
  transition: all var(--transition);
}
.modal-box .close-btn:hover {
  color: var(--text-primary);
  transform: rotate(90deg);
}

.modal-box h2 { margin-bottom: var(--sp-4); }
.modal-box p { color: var(--text-secondary); margin-bottom: var(--sp-3); }

/* ============================================================
   ФУТЕР
   ============================================================ */
footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--sp-4) 0;
  margin-top: var(--sp-6);
}
.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  color: var(--text-muted);
}
.footer-links {
  display: flex;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.footer-links a {
  color: var(--text-muted);
  transition: color var(--transition);
}
.footer-links a:hover { color: var(--accent); }

/* ============================================================
   МОБИЛЬНАЯ АДАПТАЦИЯ
   ============================================================ */
@media (max-width: 768px) {
  .container { padding: 0 var(--sp-3); }

  .header-inner { flex-direction: row; align-items: center; justify-content: space-between; gap: var(--sp-2); flex-wrap: nowrap; }
  .header-actions { flex-direction: row; flex-wrap: nowrap; justify-content: flex-end; align-items: center; gap: var(--sp-1); }
  .nav-menu { gap: var(--sp-3); justify-content: center; }
  .nav-menu a { font-size: var(--text-sm); }

  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .grid-auto { grid-template-columns: repeat(auto-fill, minmax(160px, 1fr)); }

  h1 { font-size: var(--text-xl); }
  h2 { font-size: var(--text-lg); }

  .modal-box { padding: var(--sp-4); max-width: 95%; }

  .footer-inner { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--sp-2); }
  .logo { 15px; }
  .btn-icon { width: 32px; height: 32px; 15px; }
  .btn { padding: 6px 12px; font-size: var(--text-xs); }
  h1 { font-size: var(--text-lg); }
  .header-inner { flex-wrap: nowrap; }
  .header-actions { flex-wrap: nowrap; }
  .nav-menu { gap: var(--sp-2); }
  .nav-menu a { font-size: var(--text-xs); }
}

/* ============================================================
   ГАМБУРГЕР-МЕНЮ (для мобильных)
   ============================================================ */
.hamburger {
  display: none;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-secondary);
  align-items: center;
  justify-content: center;
  font-size: 20px;
  cursor: pointer;
  transition: all var(--transition);
}
.hamburger:hover { border-color: var(--accent); color: var(--accent); }

@media (max-width: 768px) {
  .hamburger { display: flex; }
  .nav-menu.collapsed { display: none; }
  .nav-menu.expanded { display: flex; flex-direction: column; width: 100%; padding: var(--sp-2) 0; }
}

/* ============================================================
   УТИЛИТЫ
   ============================================================ */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-secondary { color: var(--text-secondary); }
.text-primary { color: var(--text-primary); }

.mt-1 { margin-top: var(--sp-1); }
.mt-2 { margin-top: var(--sp-2); }
.mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); }
.mt-6 { margin-top: var(--sp-6); }

.mb-1 { margin-bottom: var(--sp-1); }
.mb-2 { margin-bottom: var(--sp-2); }
.mb-3 { margin-bottom: var(--sp-3); }
.mb-4 { margin-bottom: var(--sp-4); }

.p-4 { padding: var(--sp-4); }
.p-5 { padding: var(--sp-5); }

.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.flex-center { display: flex; justify-content: center; align-items: center; }
.gap-2 { gap: var(--sp-2); }
.gap-3 { gap: var(--sp-3); }
.gap-4 { gap: var(--sp-4); }

.hidden { display: none; }
.visible { display: block; }


/* [PAGE-LEAVE-OVERRIDE] Перебиваем любые opacity: 0 на #app.page-leave */
#app.page-leave, #app.page-enter {
  opacity: 1 !important;
  visibility: visible !important;
  pointer-events: auto !important;
}


/* [PROGRESS-BAR-FIX] Тонкая полоска прогресса вверху */
.progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: rgba(20, 184, 166, 0.15);
  z-index: 9999;
  pointer-events: none;
}
.progress-bar .fill {
  height: 100%;
  width: 0;
  background: linear-gradient(to right, #14b8a6, #5eead4);
  transition: width 0.1s linear;
}