/* Компас Вузов — веб-калькулятор шансов.
   Светлая, спокойная тема в цветах логотипа (синий + оранжевый).
   Без фоновых анимаций и стеклянных эффектов. */

:root {
  --blue: #0a58d0;
  --blue-dark: #0848ab;
  --blue-soft: #eaf1fc;
  --orange: #f4711c;

  --text: #16243a;
  --text-soft: #51607a;
  --text-dim: #7b8aa3;

  --bg: #f5f7fa;
  --surface: #ffffff;
  --border: #dfe5ee;
  --border-strong: #c8d2e0;

  --green: #177a3d;
  --green-bg: #e8f5ec;
  --green-border: #bfe2cb;
  --amber: #9a5b0b;
  --amber-bg: #fdf3e0;
  --amber-border: #efd9ae;
  --red: #b42323;
  --red-bg: #fcecec;
  --red-border: #f0c7c7;
  --gray: #5b6b82;
  --gray-bg: #eef1f6;
  --gray-border: #d7dee8;

  --radius: 12px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(22, 36, 58, 0.06);
  --shadow-md: 0 4px 16px rgba(22, 36, 58, 0.08);
  --font: "Inter", -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Жидкое стекло: полупрозрачная поверхность + blur с насыщением,
     светлая кромка сверху и мягкая тень. Фон статичный — мерцания нет. */
  --glass-bg: linear-gradient(180deg, rgba(255, 255, 255, 0.62), rgba(255, 255, 255, 0.40));
  --glass-bg-strong: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.52));
  --glass-border: rgba(255, 255, 255, 0.75);
  --glass-blur: blur(18px) saturate(1.6);
  --glass-blur-light: blur(12px) saturate(1.5);
  --glass-shadow: 0 8px 32px rgba(22, 36, 58, 0.12),
                  inset 0 1px 0 rgba(255, 255, 255, 0.9),
                  inset 0 -1px 0 rgba(255, 255, 255, 0.25);
  --glass-shadow-sm: 0 2px 10px rgba(22, 36, 58, 0.08),
                     inset 0 1px 0 rgba(255, 255, 255, 0.85);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

/* Атрибут hidden должен всегда побеждать: иначе display:flex у .loading
   перебивает [hidden] по специфичности и спиннер не скрывается. */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

/* ---------- Декоративный фон ---------- */

.page-bg {
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
}

/* Мягкая подсветка сверху — статичная, без анимации */
.page-bg::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 45% at 50% -5%, rgba(10, 88, 208, 0.10), transparent 70%),
    radial-gradient(40% 35% at 100% 100%, rgba(244, 113, 28, 0.08), transparent 70%);
}

/* Карта России: вид со стороны Казахстана/Монголии (снизу вверх),
   повёрнута на несколько градусов влево. Статичный наклон через CSS. */
.ru-map {
  position: absolute;
  top: 38%;
  left: 50%;
  width: min(1520px, 160vw);
  transform: translate(-50%, -50%) perspective(1100px) rotateX(58deg) rotateZ(-12deg);
  transform-origin: center center;
}

@media (max-width: 760px) {
  .ru-map { top: 28%; width: 230vw; opacity: 0.85; }
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

/* ---------- Шапка ---------- */

.topbar {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.72), rgba(255, 255, 255, 0.55));
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid rgba(255, 255, 255, 0.7);
  box-shadow: 0 1px 12px rgba(22, 36, 58, 0.06), inset 0 1px 0 rgba(255, 255, 255, 0.9);
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 12px clamp(16px, 4vw, 32px);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
}

.logo img { display: block; border-radius: 6px; }

.logo-text {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
}

.tg-link {
  color: var(--blue);
  text-decoration: none;
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 16px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  box-shadow: var(--glass-shadow-sm);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.tg-link:hover {
  border-color: rgba(10, 88, 208, 0.45);
  box-shadow: 0 4px 14px rgba(10, 88, 208, 0.18), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.tg-auth {
  display: flex;
  align-items: center;
}

.tg-user {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--blue);
  padding: 8px 14px;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 999px;
  box-shadow: var(--glass-shadow-sm);
}

@media (max-width: 560px) {
  /* На узких экранах прячем текстовую ссылку, оставляя вход через Telegram. */
  .topbar-right .tg-link { display: none; }
}

/* ---------- Контент ---------- */

main {
  max-width: 1040px;
  margin: 0 auto;
  padding: 0 clamp(16px, 4vw, 32px) 56px;
}

.hero {
  text-align: center;
  padding: clamp(36px, 7vh, 64px) 0 32px;
}

.hero h1 {
  font-weight: 700;
  font-size: clamp(1.5rem, 3.6vw, 2.2rem);
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.hero .sub {
  margin: 14px auto 0;
  max-width: 560px;
  color: var(--text-soft);
  font-size: 1rem;
}

.hero .sub span { font-weight: 600; color: var(--text); }

/* ---------- Панель формы ---------- */

.panel {
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur);
  backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-lg);
  padding: clamp(20px, 4vw, 32px);
  box-shadow: var(--glass-shadow);
}

.panel-title {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--text-dim);
  margin: 28px 0 14px;
}

.panel-title:first-child { margin-top: 0; }

/* Ряды предметов */

.score-rows { display: flex; flex-direction: column; gap: 10px; }

.score-row {
  display: grid;
  grid-template-columns: 1fr 110px 40px;
  gap: 10px;
}

.input {
  width: 100%;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(200, 210, 224, 0.85);
  border-radius: 9px;
  color: var(--text);
  font-family: var(--font);
  font-size: 0.95rem;
  padding: 10px 12px;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
  appearance: none;
}

.input:hover { border-color: #b3c0d4; }

.input:focus {
  border-color: var(--blue);
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 0 0 3px rgba(10, 88, 208, 0.12);
}

.input::placeholder { color: var(--text-dim); }

select.input {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%237b8aa3' fill='none' stroke-width='1.6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 32px;
  cursor: pointer;
}

.score-input { text-align: center; font-variant-numeric: tabular-nums; }

/* Убираем стрелки у number-инпута — поле и так узкое */
.score-input::-webkit-outer-spin-button,
.score-input::-webkit-inner-spin-button { -webkit-appearance: none; margin: 0; }
.score-input[type="number"] { -moz-appearance: textfield; }

.row-del {
  background: rgba(255, 255, 255, 0.6);
  border: 1px solid rgba(200, 210, 224, 0.85);
  border-radius: 9px;
  color: var(--text-dim);
  font-size: 0.95rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s, background-color 0.15s;
}

.row-del:hover {
  border-color: var(--red);
  color: var(--red);
  background: var(--red-bg);
}

/* Кнопки */

.btn-ghost {
  margin-top: 12px;
  background: rgba(255, 255, 255, 0.45);
  border: 1px dashed rgba(160, 175, 198, 0.9);
  border-radius: 9px;
  color: var(--text-soft);
  font-family: var(--font);
  font-size: 0.88rem;
  font-weight: 500;
  padding: 9px 16px;
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background-color 0.15s;
}

.btn-ghost:hover {
  color: var(--blue);
  border-color: var(--blue);
  background: var(--blue-soft);
}

.btn-primary {
  margin-top: 26px;
  width: 100%;
  padding: 14px;
  font-family: var(--font);
  font-size: 1rem;
  font-weight: 600;
  color: #fff;
  background: linear-gradient(180deg, rgba(31, 108, 220, 0.95), rgba(8, 72, 171, 0.92));
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 12px;
  cursor: pointer;
  transition: filter 0.15s, box-shadow 0.15s;
  box-shadow: 0 8px 24px rgba(10, 88, 208, 0.30), inset 0 1px 0 rgba(255, 255, 255, 0.45);
}

.btn-primary:hover {
  filter: brightness(1.07);
  box-shadow: 0 10px 30px rgba(10, 88, 208, 0.38), inset 0 1px 0 rgba(255, 255, 255, 0.5);
}
.btn-primary:active { filter: brightness(0.95); }

.form-error {
  margin-top: 12px;
  color: var(--red);
  font-size: 0.88rem;
}

/* Параметры */

.controls { display: flex; flex-wrap: wrap; gap: 16px; }

.control { display: flex; flex-direction: column; gap: 6px; min-width: 180px; }
.control-grow { flex: 1; }

.control-label {
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-soft);
}

.segmented {
  display: inline-flex;
  background: rgba(225, 231, 240, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 11px;
  padding: 3px;
  gap: 2px;
  box-shadow: inset 0 1px 3px rgba(22, 36, 58, 0.07);
}

.seg-btn {
  border: none;
  background: transparent;
  color: var(--text-soft);
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 7px 18px;
  border-radius: 7px;
  cursor: pointer;
  transition: background-color 0.15s, color 0.15s, box-shadow 0.15s;
}

.seg-btn:hover { color: var(--text); }

.seg-btn.active {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(255, 255, 255, 0.85));
  color: var(--text);
  font-weight: 600;
  box-shadow: 0 1px 4px rgba(22, 36, 58, 0.12), inset 0 1px 0 rgba(255, 255, 255, 1);
}

/* ---------- Результаты ---------- */

.results { margin-top: 40px; }

.results-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.results-head h2 {
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.summary-chips { display: flex; flex-wrap: wrap; gap: 8px; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 0.82rem;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 999px;
  border: 1px solid var(--glass-border);
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: var(--glass-blur-light);
  backdrop-filter: var(--glass-blur-light);
  box-shadow: var(--glass-shadow-sm);
  color: var(--text-soft);
}

.chip b { font-weight: 700; color: var(--text); }

.dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex: none;
}

.dot-high { background: #22a356; }
.dot-real { background: #e8a020; }
.dot-risky { background: #d64545; }
.dot-unknown { background: #9aa7ba; }

/* Группы уровней */

.level-group { margin-bottom: 30px; }

.level-title {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.level-count {
  color: var(--text-dim);
  font-weight: 500;
  font-size: 0.9rem;
}

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(310px, 1fr));
  gap: 12px;
}

.card {
  background: var(--glass-bg-strong);
  -webkit-backdrop-filter: var(--glass-blur-light);
  backdrop-filter: var(--glass-blur-light);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--glass-shadow-sm);
  transition: border-color 0.15s, box-shadow 0.15s;
}

.card:hover {
  border-color: rgba(10, 88, 208, 0.35);
  box-shadow: 0 8px 24px rgba(22, 36, 58, 0.13), inset 0 1px 0 rgba(255, 255, 255, 0.9);
}

.card-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
}

.card-uni { font-weight: 600; font-size: 0.97rem; line-height: 1.35; }

.card-city {
  color: var(--text-dim);
  font-size: 0.8rem;
  font-weight: 400;
  margin-top: 1px;
}

.badge {
  flex: none;
  font-size: 0.74rem;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 999px;
  border: 1px solid;
  white-space: nowrap;
}

.badge-high { color: var(--green); background: var(--green-bg); border-color: var(--green-border); }
.badge-real { color: var(--amber); background: var(--amber-bg); border-color: var(--amber-border); }
.badge-risky { color: var(--red); background: var(--red-bg); border-color: var(--red-border); }
.badge-unknown { color: var(--gray); background: var(--gray-bg); border-color: var(--gray-border); }

.card-program {
  margin-top: 9px;
  font-size: 0.9rem;
  color: var(--text-soft);
}

.card-code { color: var(--text-dim); font-size: 0.8rem; }

.badge-dvi {
  display: inline-block;
  margin-left: 6px;
  font-size: 0.72rem;
  font-weight: 600;
  color: var(--amber);
  border: 1px solid var(--amber-border);
  background: var(--amber-bg);
  border-radius: 6px;
  padding: 1px 7px;
  white-space: nowrap;
  vertical-align: 1px;
}

.card-reason {
  margin-top: 10px;
  font-size: 0.88rem;
  line-height: 1.45;
}

/* Детали карточки */

.card-details { margin-top: 10px; }

.card-details summary {
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--blue);
  list-style: none;
  user-select: none;
}

.card-details summary::-webkit-details-marker { display: none; }
.card-details summary::after { content: " ↓"; font-size: 0.75rem; }
.card-details[open] summary::after { content: " ↑"; }
.card-details summary:hover { text-decoration: underline; }

.detail-body {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
  font-size: 0.84rem;
  color: var(--text-soft);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.detail-body b { color: var(--text); font-weight: 600; font-variant-numeric: tabular-nums; }

.detail-note { font-size: 0.78rem; color: var(--text-dim); }

.detail-links { margin-top: 6px; display: flex; flex-wrap: wrap; gap: 12px; }

.detail-links a {
  color: var(--blue);
  text-decoration: none;
  font-size: 0.8rem;
  font-weight: 500;
}

.detail-links a:hover { text-decoration: underline; }

/* Группа «не подходит» */

.no-group {
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur-light);
  backdrop-filter: var(--glass-blur-light);
  padding: 14px 18px;
  box-shadow: var(--glass-shadow-sm);
}

.no-group summary {
  cursor: pointer;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-soft);
  list-style: none;
  user-select: none;
}

.no-group summary::-webkit-details-marker { display: none; }
.no-group summary:hover { color: var(--text); }

.no-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.82rem;
  color: var(--text-soft);
  max-height: 300px;
  overflow-y: auto;
}

.disclaimer {
  margin-top: 10px;
  font-size: 0.8rem;
  color: var(--text-dim);
}

.empty-note {
  color: var(--text-soft);
  font-size: 0.9rem;
  padding: 24px;
  text-align: center;
  border: 1px dashed rgba(160, 175, 198, 0.9);
  border-radius: var(--radius);
  background: var(--glass-bg);
  -webkit-backdrop-filter: var(--glass-blur-light);
  backdrop-filter: var(--glass-blur-light);
}

/* ---------- Загрузка ---------- */

.loading {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  padding: 40px 0;
  color: var(--text-soft);
  font-size: 0.9rem;
}

.loader {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 3px solid var(--border);
  border-top-color: var(--blue);
  animation: spin 0.8s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- Подвал ---------- */

footer {
  border-top: 1px solid rgba(255, 255, 255, 0.7);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.55), rgba(255, 255, 255, 0.4));
  -webkit-backdrop-filter: var(--glass-blur-light);
  backdrop-filter: var(--glass-blur-light);
}

.footer-inner {
  max-width: 1040px;
  margin: 0 auto;
  padding: 24px clamp(16px, 4vw, 32px) 32px;
  color: var(--text-dim);
  font-size: 0.82rem;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

footer a { color: var(--blue); text-decoration: none; font-weight: 500; }
footer a:hover { text-decoration: underline; }

/* ---------- Мобильные ---------- */

@media (max-width: 560px) {
  .score-row { grid-template-columns: 1fr 84px 40px; }
  .controls { flex-direction: column; }
  .control { min-width: 0; }
  .results-head { flex-direction: column; align-items: flex-start; }
  .logo-text { font-size: 0.98rem; }
  /* На узких экранах оставляем только угловые иконки — меньше шума за контентом */
  .edu { opacity: 0.07; }
  .edu:nth-child(n + 6) { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.001s !important; transition-duration: 0.001s !important; }
}