/* HSE / MIEM CTF override theme — fork of `core`
 * Цветовая палитра и шрифты заимствованы из фирстиля ВШЭ + ctf.miem.hse.ru
 */

@font-face {
  font-family: "HSE Sans";
  src: url("../fonts/HSESans-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}
@font-face {
  font-family: "HSE Sans";
  src: url("../fonts/HSESans-SemiBold.otf") format("opentype");
  font-style: normal;
  font-weight: 600;
  font-display: swap;
}
@font-face {
  font-family: "HSE Sans";
  src: url("../fonts/HSESans-Bold.otf") format("opentype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  color-scheme: light;
  --hse-navy: #102D69;
  --hse-blue: #1658da;
  --hse-orange: #e8682c;
  --hse-red: #ed1846;
  --hse-bg: #f4f7fc;
  --hse-surface: #ffffff;
  --hse-surface-glass: rgba(255, 255, 255, 0.92);
  --hse-line: #d3ddf1;
  --hse-text: #112245;
  --hse-muted: #5d6e91;
  --hse-shadow: 0 20px 55px rgba(15, 45, 105, 0.12);
  --hse-shadow-sm: 0 8px 24px rgba(15, 45, 105, 0.08);
  --hse-radius: 20px;
  --hse-radius-sm: 12px;
}

/* === Глобальная типографика и фон === */
html, body {
  font-family: "HSE Sans", "Helvetica Neue", Arial, sans-serif !important;
  color: var(--hse-text);
  background:
    radial-gradient(ellipse at top right, rgba(22, 88, 218, 0.14), transparent 38%),
    radial-gradient(ellipse at bottom left, rgba(232, 104, 44, 0.06), transparent 42%),
    linear-gradient(180deg, #edf3ff 0%, #f7f9fd 30%, #f2f5fb 100%) !important;
  background-attachment: fixed;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 45, 105, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 45, 105, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  /* z-index -1: фон уходит ПОД body content. Так main/контейнерам не нужен
     свой z-index, и они не создают stacking context, который ломал bootstrap
     модалку: backdrop (body-level, z=1040) перекрывал модалку (внутри main
     с локальным z=1) хотя у неё свой z-index 1050. */
  z-index: -1;
}

h1, h2, h3, h4, h5, h6, .h1, .h2, .h3, .h4, .h5, .h6 {
  font-family: "HSE Sans", "Helvetica Neue", Arial, sans-serif !important;
  font-weight: 700;
  color: var(--hse-navy);
  letter-spacing: -0.01em;
}

a {
  color: var(--hse-blue);
}
a:hover {
  color: var(--hse-navy);
  text-decoration: none;
}

code, pre, kbd {
  font-family: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
}

/* === Navbar (хедер) === */
.navbar.bg-dark,
.navbar.navbar-dark {
  background: var(--hse-navy) !important;
  border-bottom: 3px solid var(--hse-orange);
  box-shadow: var(--hse-shadow-sm);
  padding: 0.65rem 1.25rem;
}

.navbar-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  font-size: 1.1rem;
  color: #fff !important;
}

.navbar-brand::before {
  content: "";
  display: inline-block;
  width: 34px;
  height: 34px;
  background-image: url("../img/hse-logo.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  border-radius: 50%;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.15), 0 4px 14px rgba(0, 0, 0, 0.25);
  animation: hse-spin 14s linear infinite;
  transition: transform 0.3s ease;
}
.navbar-brand:hover::before {
  animation-duration: 2.5s;
}

@keyframes hse-spin {
  from { transform: rotate(0deg); }
  to   { transform: rotate(360deg); }
}

.navbar-brand img,
.navbar-brand svg {
  display: none !important;
}

.navbar-nav .nav-link {
  color: rgba(255, 255, 255, 0.85) !important;
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.4rem 0.9rem !important;
  border-radius: 8px;
  transition: background 0.15s ease;
}
.navbar-nav .nav-link:hover {
  color: #fff !important;
  background: rgba(255, 255, 255, 0.08);
}
.navbar-nav .nav-link.active {
  color: #fff !important;
  background: var(--hse-blue);
}

/* === Карточки / jumbotron === */
.jumbotron {
  background: var(--hse-surface-glass) !important;
  border: 1px solid rgba(15, 45, 105, 0.1);
  border-radius: var(--hse-radius) !important;
  box-shadow: var(--hse-shadow);
  position: relative;
  overflow: hidden;
  padding: 2.5rem 2rem;
  margin-top: 1.5rem;
}

.jumbotron::before {
  content: "";
  position: absolute;
  top: -72px;
  right: -72px;
  width: 280px;
  height: 280px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(22, 88, 218, 0.2) 0%, transparent 68%);
  pointer-events: none;
}

.jumbotron h1 {
  font-size: clamp(2rem, 4vw, 3.2rem);
  margin-bottom: 1rem;
}

.card {
  background: var(--hse-surface);
  border: 1px solid var(--hse-line);
  border-radius: var(--hse-radius-sm);
  box-shadow: var(--hse-shadow-sm);
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--hse-shadow);
}

.card-header {
  background: transparent;
  border-bottom: 1px solid var(--hse-line);
  font-weight: 600;
  color: var(--hse-navy);
}

/* === Кнопки === */
.btn {
  font-family: "HSE Sans", inherit;
  font-weight: 600;
  border-radius: 10px;
  padding: 0.55rem 1.25rem;
  letter-spacing: 0.01em;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.15s ease;
}
.btn:hover {
  transform: translateY(-1px);
}

.btn-primary, .bg-primary {
  background-color: var(--hse-blue) !important;
  border-color: var(--hse-blue) !important;
  color: #fff !important;
}
.btn-primary:hover {
  background-color: var(--hse-navy) !important;
  border-color: var(--hse-navy) !important;
  box-shadow: 0 8px 18px rgba(22, 88, 218, 0.28);
}

.btn-secondary {
  background-color: transparent !important;
  border: 1.5px solid var(--hse-navy) !important;
  color: var(--hse-navy) !important;
}
.btn-secondary:hover {
  background-color: var(--hse-navy) !important;
  color: #fff !important;
}

.btn-success { background-color: var(--hse-blue) !important; border-color: var(--hse-blue) !important; }
.btn-info    { background-color: var(--hse-orange) !important; border-color: var(--hse-orange) !important; color:#fff !important; }
.btn-danger  { background-color: var(--hse-red) !important; border-color: var(--hse-red) !important; }
.btn-warning { background-color: var(--hse-orange) !important; border-color: var(--hse-orange) !important; color:#fff !important; }

/* === Формы === */
.form-control, .input-group-text {
  border-radius: 10px;
  border-color: var(--hse-line);
  background: #fff;
}
.form-control:focus {
  border-color: var(--hse-blue);
  box-shadow: 0 0 0 0.2rem rgba(22, 88, 218, 0.18);
}

/* === Бэйджи и категории === */
.badge {
  font-family: "HSE Sans", inherit;
  font-weight: 600;
  border-radius: 999px;
  padding: 0.35em 0.75em;
  letter-spacing: 0.02em;
}
.badge-primary,
.badge.badge-primary {
  background-color: rgba(22, 88, 218, 0.12);
  color: var(--hse-blue);
}

/* === Challenge кнопки и категории === */
/* Без ::before — оверлей псевдоэлемента съедал клики и давал постоянное
   затенение на карточках, у которых стоит CTFd-овский class .corner-button-check.
   Акцент даём border-left на самой кнопке. */
.challenge-button,
.challenge-button.btn {
  background: var(--hse-surface) !important;
  border: 1px solid var(--hse-line) !important;
  border-left: 4px solid var(--hse-blue) !important;
  border-radius: var(--hse-radius-sm) !important;
  color: var(--hse-text) !important;
  box-shadow: var(--hse-shadow-sm);
  padding: 1rem 0.75rem !important;
  font-weight: 600;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}
.challenge-button:hover {
  border-color: var(--hse-blue) !important;
  border-left-color: var(--hse-blue) !important;
  transform: translateY(-2px);
  color: var(--hse-navy) !important;
  box-shadow: var(--hse-shadow);
}
.challenge-button.solved-challenge {
  background: linear-gradient(135deg, rgba(22, 88, 218, 0.06), rgba(232, 104, 44, 0.06)) !important;
  border-left-color: var(--hse-orange) !important;
}

.challenge-header {
  color: var(--hse-navy);
}

.category-header {
  font-family: "HSE Sans", inherit !important;
  font-weight: 700 !important;
  color: var(--hse-navy) !important;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.95rem !important;
  border-bottom: 2px solid var(--hse-orange);
  padding-bottom: 0.5rem;
  margin: 1.5rem 0 1rem;
  display: inline-block;
}

/* === Таблицы (scoreboard, users) === */
.table {
  background: var(--hse-surface);
  border-radius: var(--hse-radius-sm);
  overflow: hidden;
  box-shadow: var(--hse-shadow-sm);
}
.table thead th {
  background: var(--hse-navy);
  color: #fff;
  font-weight: 600;
  border: none;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.82rem;
}
.table tbody tr {
  border-color: var(--hse-line);
}
.table-striped tbody tr:nth-of-type(odd) {
  background: rgba(22, 88, 218, 0.03);
}
.table-hover tbody tr:hover {
  background: rgba(22, 88, 218, 0.08);
}

/* === Modal === */
/* Модалка поверх navbar. Возвращаем Bootstrap-defaults: backdrop=1040,
   modal=1050, navbar=1030. Получаем navbar < backdrop < modal — navbar
   затемняется при открытой модалке, модалка поверх всего, включая шапку. */
.navbar.fixed-top {
  z-index: 1030;
}

.modal-content {
  border: none;
  border-radius: var(--hse-radius);
  box-shadow: var(--hse-shadow);
}
.modal-header {
  background: var(--hse-navy);
  color: #fff;
  border-top-left-radius: var(--hse-radius);
  border-top-right-radius: var(--hse-radius);
  border-bottom: 3px solid var(--hse-orange);
}
.modal-header .close,
.modal-header .modal-title {
  color: #fff;
}
.modal-header .close {
  text-shadow: none;
  opacity: 0.85;
}

/* === ctfd-owl plugin alert (Your instance deployed!) === */
/* Плагин рендерит свой modal с id #owl-alert-modal — у него слабая Bootstrap
   тень и он сливается с белым фоном challenge-модалки. Усиливаем. */
#owl-alert-backdrop,
#owl-alert-backdrop.fade,
#owl-alert-backdrop.fade.show {
  display: none !important;                 /* без затемнения вообще */
}
#owl-alert-modal {
  z-index: 1080 !important;                 /* остаётся поверх challenge-модалки */
}
#owl-alert-modal .modal-content {
  box-shadow: 0 18px 50px rgba(15, 45, 105, 0.35) !important;
}
#owl-alert-modal .modal-dialog {
  max-width: 460px;
  background: transparent !important;     /* убираем любой фон контейнера */
}
#owl-alert-modal .modal-content {
  border: 2px solid var(--hse-blue);
  border-radius: var(--hse-radius);
  background: #fff;
  box-shadow: none;
  overflow: hidden;
  animation: hse-owl-pop 0.28s cubic-bezier(0.2, 0.9, 0.3, 1.2) both;
}
@keyframes hse-owl-pop {
  from { transform: scale(0.92) translateY(8px); opacity: 0; }
  to   { transform: scale(1) translateY(0); opacity: 1; }
}
#owl-alert-modal .modal-header {
  background: #fff;                       /* белый header вместо синего */
  color: var(--hse-navy);
  border-bottom: 2px solid var(--hse-orange);
  padding: 1.1rem 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}
#owl-alert-modal .modal-header::before {
  content: "✓";
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--hse-orange);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}
#owl-alert-modal .modal-title {
  font-size: 1.15rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  margin: 0;
  color: var(--hse-navy) !important;
}
#owl-alert-modal .btn-close,
#owl-alert-modal [data-owl-dismiss].btn-close {
  background: transparent;
  border: none;
  color: var(--hse-navy);
  width: 28px; height: 28px;
  border-radius: 8px;
  font-size: 0;
  position: relative;
  cursor: pointer;
  opacity: 1;
  transition: background 0.15s ease;
}
#owl-alert-modal .btn-close:hover { background: rgba(15, 45, 105, 0.08); }
#owl-alert-modal .btn-close::before {
  content: "×";
  font-size: 22px;
  line-height: 1;
  color: var(--hse-navy);
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
}
#owl-alert-modal .modal-body {
  padding: 1.5rem 1.5rem 0.5rem;
  font-size: 1rem;
  color: var(--hse-text);
  line-height: 1.55;
}
#owl-alert-modal .modal-body p {
  margin: 0;
}
#owl-alert-modal .modal-footer {
  padding: 1rem 1.5rem 1.25rem;
  border-top: none;
  justify-content: flex-end;
}
#owl-alert-modal .modal-footer .btn-primary {
  background: var(--hse-blue);
  border-color: var(--hse-blue);
  color: #fff;
  font-weight: 600;
  padding: 0.55rem 1.5rem;
  border-radius: 10px;
  min-width: 100px;
  box-shadow: 0 6px 16px rgba(22, 88, 218, 0.28);
}
#owl-alert-modal .modal-footer .btn-primary:hover {
  background: var(--hse-navy);
  border-color: var(--hse-navy);
  transform: translateY(-1px);
  box-shadow: 0 10px 22px rgba(22, 88, 218, 0.35);
}

/* === Footer === */
.footer {
  background: transparent;
  border-top: 1px solid var(--hse-line);
  padding: 2rem 0 1.5rem;
  margin-top: 3rem;
  color: var(--hse-muted);
}
.footer .text-muted, .footer .text-secondary {
  color: var(--hse-muted) !important;
}

.footer-hse-partners {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 1rem;
  flex-wrap: wrap;
}
.footer-hse-partners img {
  height: 38px;
  opacity: 0.85;
  filter: grayscale(0.2);
  transition: opacity 0.15s ease;
}
.footer-hse-partners img:hover {
  opacity: 1;
}
.footer-hse-partners__hse {
  height: 44px !important;
  background: var(--hse-navy);
  border-radius: 50%;
  padding: 2px;
  filter: none !important;
  opacity: 1 !important;
}
.footer-hse-partners__hse:hover {
  background: var(--hse-blue);
}

/* === Welcome / hero (главная) === */
.jumbotron .vorona-mark {
  position: absolute;
  right: -20px;
  bottom: -30px;
  width: 220px;
  height: 220px;
  background-image: url("../img/vorona.svg");
  background-size: contain;
  background-repeat: no-repeat;
  background-position: bottom right;
  opacity: 0.16;
  pointer-events: none;
}

/* === Алерты === */
.alert {
  border: none;
  border-left: 4px solid var(--hse-blue);
  border-radius: 10px;
  background: var(--hse-surface);
  box-shadow: var(--hse-shadow-sm);
  color: var(--hse-text);
}
.alert-success { border-left-color: var(--hse-blue); }
.alert-info    { border-left-color: var(--hse-orange); }
.alert-warning { border-left-color: var(--hse-orange); }
.alert-danger  { border-left-color: var(--hse-red); }

/* === Пагинация === */
.pagination .page-link {
  color: var(--hse-blue);
  border-color: var(--hse-line);
}
.pagination .page-item.active .page-link {
  background: var(--hse-blue);
  border-color: var(--hse-blue);
}

/* === Tabs / pills === */
.nav-tabs .nav-link {
  color: var(--hse-muted);
  border: none;
  border-bottom: 2px solid transparent;
  font-weight: 600;
}
.nav-tabs .nav-link.active {
  color: var(--hse-navy);
  border-bottom-color: var(--hse-orange);
  background: transparent;
}

/* === Progress === */
.progress {
  background: rgba(15, 45, 105, 0.08);
  border-radius: 999px;
}
.progress-bar {
  background: linear-gradient(90deg, var(--hse-blue), var(--hse-orange));
}

/* === Корректировка spacing === */
.container {
  padding-top: 1rem;
}

/* === Печатный/типографический акцент на eyebrow === */
.eyebrow-term, .badge-term {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border: 1px dashed rgba(22, 88, 218, 0.35);
  border-radius: 8px;
  background: rgba(22, 88, 218, 0.06);
  font-family: "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--hse-blue);
  text-transform: uppercase;
}