/* EventBridge: блочная вёрстка, «умные» селекторы ([data-*], :where, :not, :focus-visible)
   Адаптив: от 320×568 (iPhone SE) — колонки, safe-area, dvh, касания ~44px. */
:root {
  color-scheme: light dark;
  --color-bg: #0b1220;
  --color-surface: #111827;
  --color-text: #e5e7eb;
  --color-muted: #9ca3af;
  --color-accent: #38bdf8;
  --color-accent-strong: #2563eb;
  --color-border: rgba(148, 163, 184, 0.25);
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --radius: 12px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  --font-sans: system-ui, "Segoe UI", Roboto, Ubuntu, "Noto Sans", sans-serif;
  --max-content: 72ch;
}

:where(*, *::before, *::after) {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  min-height: 100vh;
  min-height: 100dvh;
  /* Предотвращаем горизонтальный скролл от длинных слов / flex */
  overflow-x: clip;
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  :where(.card, .button, .site-nav) {
    transition: none !important;
  }
}

body {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  min-width: 320px;
  font-family: var(--font-sans);
  line-height: 1.6;
  background: radial-gradient(1200px 600px at 10% -10%, #1e3a8a55, transparent),
    var(--color-bg);
  color: var(--color-text);
  padding-inline: env(safe-area-inset-left, 0px) env(safe-area-inset-right, 0px);
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

:where(a) {
  color: var(--color-accent);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: #7dd3fc;
}

a:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  padding: var(--space-2) var(--space-4);
  background: var(--color-accent-strong);
  color: #fff;
  z-index: 100;
}

.skip-link:focus {
  left: var(--space-4);
  top: var(--space-4);
}

.container {
  width: min(1100px, 100% - clamp(0.75rem, 4vw, 2rem));
  margin-inline: auto;
  max-width: 100%;
}

.container--narrow {
  width: min(var(--max-content), 100% - clamp(0.75rem, 4vw, 2rem));
  max-width: 100%;
}

.site-header[data-region="masthead"] {
  border-bottom: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.85);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 20;
  padding-top: env(safe-area-inset-top, 0px);
}

.header__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-areas:
    "brand toggle"
    "nav nav";
  gap: var(--space-3);
  align-items: center;
  padding-block: var(--space-4);
}

@media (min-width: 768px) {
  .header__inner {
    grid-template-columns: auto 1fr auto;
    grid-template-areas: "brand tagline nav";
  }
}

.logo {
  grid-area: brand;
  font-weight: 800;
  letter-spacing: 0.04em;
  color: #f8fafc;
  text-decoration: none;
  font-size: clamp(1.05rem, 4vw, 1.25rem);
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.logo[data-brand]:hover {
  color: var(--color-accent);
}

.tagline {
  grid-area: tagline;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
  display: none;
}

@media (min-width: 768px) {
  .tagline {
    display: block;
    justify-self: start;
  }
}

.nav-toggle {
  grid-area: toggle;
  justify-self: end;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-text);
  border-radius: var(--radius);
  padding: var(--space-2) var(--space-4);
  min-height: 44px;
  cursor: pointer;
}

@media (min-width: 768px) {
  .nav-toggle {
    display: none;
  }
}

.site-nav[data-collapsible="nav"] {
  grid-area: nav;
  width: 100%;
}

@media (max-width: 767px) {
  .site-nav[data-collapsible="nav"]:not([data-open="true"]) .nav-list {
    display: none;
  }

  .site-nav[data-collapsible="nav"][data-open="true"] .nav-list {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    padding-block: var(--space-2);
  }

  .nav-logout {
    display: block;
    width: 100%;
  }

  .nav-logout__btn {
    width: 100%;
    min-height: 44px;
  }
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (min-width: 768px) {
  .nav-list {
    justify-content: flex-end;
  }
}

.nav-list a {
  display: inline-block;
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
  text-decoration: none;
  color: #dbeafe;
}

.nav-list a[aria-current="page"] {
  background: rgba(56, 189, 248, 0.15);
  color: var(--color-accent);
}

@media (max-width: 767px) {
  .site-nav[data-collapsible="nav"][data-open="true"] .nav-list a {
    display: inline-flex;
    width: 100%;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding-block: 0.6rem;
  }
}

main:focus {
  outline: none;
}

.hero {
  padding: var(--space-12) 0;
}

@media (max-width: 480px) {
  .hero {
    padding: var(--space-6) 0 var(--space-8);
  }
}

@media (max-height: 667px) {
  .hero {
    padding: var(--space-4) 0 var(--space-6);
  }
}

.hero__inner {
  display: grid;
  gap: var(--space-4);
}

.hero__title {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.15;
  margin: 0;
}

.hero__lead {
  margin: 0;
  color: var(--color-muted);
  max-width: 52ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

@media (max-width: 380px) {
  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .button {
    width: 100%;
  }
}

.section {
  padding: var(--space-8) 0 var(--space-12);
}

@media (max-width: 480px), (max-height: 667px) {
  .section {
    padding: var(--space-6) 0 var(--space-8);
  }
}

.section--tight {
  padding-top: var(--space-6);
}

.section__head {
  margin-bottom: var(--space-6);
}

.section__head h1,
.section__head h2 {
  margin: 0 0 var(--space-2);
  overflow-wrap: break-word;
  word-break: break-word;
}

.section__sub {
  margin: 0;
  color: var(--color-muted);
}

.card-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 600px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .card-grid[data-list="events-preview"],
  .card-grid[data-list="events-catalog"] {
    grid-template-columns: repeat(3, 1fr);
  }
}

.card {
  background: linear-gradient(160deg, #0f172a, #111827);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  box-shadow: var(--shadow);
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-2px);
  border-color: rgba(56, 189, 248, 0.35);
}

.card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  align-items: center;
  color: var(--color-muted);
  font-size: 0.85rem;
  margin: 0 0 var(--space-2);
}

.card__badge[data-category] {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.25);
  color: #bfdbfe;
  font-size: 0.75rem;
}

.card__title {
  margin: 0 0 var(--space-2);
  font-size: 1.1rem;
}

.card__title a {
  color: #f8fafc;
  text-decoration: none;
}

.card__excerpt {
  margin: 0 0 var(--space-3);
  color: var(--color-muted);
  font-size: 0.95rem;
}

.card__location {
  margin: 0;
  font-size: 0.9rem;
  color: #cbd5e1;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.65rem 1.1rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font: inherit;
  cursor: pointer;
  text-decoration: none;
  max-width: 100%;
  text-align: center;
}

@media (pointer: coarse) {
  .button {
    min-height: 44px;
  }
}

.button--primary {
  background: linear-gradient(135deg, var(--color-accent-strong), #1d4ed8);
  color: #fff;
}

.button--primary:hover {
  filter: brightness(1.05);
}

.button--ghost {
  background: transparent;
  border-color: var(--color-border);
  color: #e5e7eb;
}

.filters {
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  background: rgba(15, 23, 42, 0.6);
}

.filters__row {
  display: grid;
  gap: var(--space-3);
}

@media (min-width: 640px) {
  .filters__row {
    grid-template-columns: 2fr 1fr auto auto;
    align-items: end;
  }
}

@media (max-width: 639px) {
  .filters__row .button {
    width: 100%;
  }
}

.field {
  display: grid;
  gap: var(--space-2);
}

.field__label {
  font-size: 0.85rem;
  color: var(--color-muted);
}

:where(.field input, .field select, .field textarea) {
  width: 100%;
  padding: 0.55rem 0.65rem;
  border-radius: 8px;
  border: 1px solid var(--color-border);
  background: #0b1220;
  color: var(--color-text);
  font: inherit;
}

.status-line {
  min-height: 1.5rem;
  margin: var(--space-3) 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.status-line[data-state="error"] {
  color: #fecaca;
}

.status-line[data-state="ok"] {
  color: #bbf7d0;
}

.article-event__head {
  padding: var(--space-8) 0 var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

@media (max-width: 400px) {
  .article-event__head {
    padding: var(--space-6) 0 var(--space-3);
  }
}

.article-event__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  color: var(--color-muted);
  margin: 0 0 var(--space-3);
}

.article-event__location {
  margin: 0;
  color: #cbd5e1;
}

.article-event__body {
  padding: var(--space-6) 0 var(--space-12);
}

@media (max-width: 400px) {
  .article-event__body {
    padding: var(--space-4) 0 var(--space-8);
  }
}

.prose :where(h2, h3) {
  margin-top: var(--space-6);
}

.prose :where(p) {
  margin: 0 0 var(--space-3);
}

.article-event__back {
  margin-top: var(--space-8);
}

.site-footer[data-region="footer"] {
  border-top: 1px solid var(--color-border);
  padding: var(--space-8) 0 var(--space-6);
  background: #070b14;
}

.footer__grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.footer__heading {
  font-size: 1rem;
  margin: 0 0 var(--space-2);
}

.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}

.footer__copy {
  text-align: center;
  color: var(--color-muted);
  margin: var(--space-6) 0 0;
}

.admin-grid {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 900px) {
  .admin-grid {
    grid-template-columns: 1.1fr 0.9fr;
    align-items: start;
  }
}

.panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: var(--space-4);
  background: rgba(15, 23, 42, 0.65);
}

.stack-form {
  display: grid;
  gap: var(--space-3);
}

.code-block {
  margin: 0;
  padding: var(--space-4);
  overflow: auto;
  border-radius: var(--radius);
  background: #020617;
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
}

.tests-output[hidden] {
  display: none !important;
}

.tests-output .code-block {
  max-height: min(420px, 45vh);
  max-height: min(420px, 45dvh);
}

.address-card[data-contact="primary"] {
  padding: var(--space-4);
  border-radius: var(--radius);
  border: 1px dashed var(--color-border);
  margin: var(--space-4) 0;
}

/* --- расширение: герой, карточки, модальное окно, авторизация, кабинет --- */
.hero--accent {
  position: relative;
  overflow: hidden;
}

.hero--accent::before {
  content: "";
  position: absolute;
  inset: -40% 20% auto -30%;
  height: 120%;
  background: radial-gradient(ellipse, rgba(56, 189, 248, 0.12), transparent 55%);
  pointer-events: none;
}

.hero__pill {
  display: inline-flex;
  align-items: center;
  padding: 0.35rem 0.85rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  font-size: 0.85rem;
  color: var(--color-muted);
}

.card--rich .card__title {
  margin-top: var(--space-2);
}

.card__organizer {
  margin: 0 0 var(--space-2);
  font-size: 0.88rem;
  color: var(--color-muted);
}

.card__organizer strong {
  color: #e2e8f0;
}

.card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

body.modal-open {
  overflow: hidden;
}

.modal[hidden] {
  display: none !important;
}

.modal:not([hidden]) {
  position: fixed;
  inset: 0;
  z-index: 80;
  display: grid;
  place-items: end stretch;
  padding: var(--space-4);
  padding-top: max(var(--space-4), env(safe-area-inset-top, 0px));
}

@media (min-width: 640px) {
  .modal:not([hidden]) {
    place-items: center;
    padding: var(--space-6);
  }
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(2, 6, 23, 0.72);
  backdrop-filter: blur(4px);
}

.modal__dialog {
  position: relative;
  z-index: 1;
  width: min(640px, 100%);
  max-height: min(88vh, 820px);
  max-height: min(88dvh, 820px);
  margin-top: auto;
  display: flex;
  flex-direction: column;
  border-radius: var(--radius) var(--radius) 0 0;
  border: 1px solid var(--color-border);
  background: linear-gradient(180deg, #0f172a, #0b1220);
  box-shadow: var(--shadow);
  min-height: 0;
}

@media (min-width: 640px) {
  .modal__dialog {
    margin-top: 0;
    border-radius: var(--radius);
  }
}

.modal__close {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 999px;
  border: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.9);
  color: var(--color-text);
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.modal__close:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

.modal__head {
  padding: var(--space-6) var(--space-6) var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.modal__meta {
  margin: 0 0 var(--space-2);
  color: var(--color-muted);
  font-size: 0.9rem;
}

.modal__title {
  margin: 0 0 var(--space-2);
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

.modal__org {
  margin: 0 0 var(--space-2);
  color: #bae6fd;
  font-size: 0.95rem;
}

.modal__location {
  margin: 0;
  color: #cbd5e1;
}

.modal__body {
  padding: var(--space-4) var(--space-6);
  overflow: auto;
  flex: 1;
}

.modal__section-title {
  margin: 0 0 var(--space-2);
  font-size: 0.95rem;
  color: #93c5fd;
}

.modal__prose {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.modal__prose :where(p) {
  margin: 0 0 var(--space-2);
}

.modal__footer {
  padding: var(--space-4) var(--space-6) var(--space-6);
  padding-bottom: max(var(--space-6), env(safe-area-inset-bottom, 0px));
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  align-items: center;
}

@media (max-width: 380px) {
  .modal__head,
  .modal__body,
  .modal__footer {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .modal__footer {
    flex-direction: column;
    align-items: stretch;
  }

  .modal__footer .button {
    width: 100%;
  }

  .modal__share-row {
    flex-direction: column;
  }

  .modal__share-row .button {
    width: 100%;
  }
}

.modal__hint {
  margin: 0;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.modal__share-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
  width: 100%;
}

.auth-cards {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 560px) {
  .auth-cards[data-layout="register-hub"] {
    grid-template-columns: repeat(2, 1fr);
  }
}

.auth-card {
  padding: var(--space-6);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.55);
}

.auth-card[data-role="organizer"] {
  border-color: rgba(56, 189, 248, 0.35);
}

.auth-card__title {
  margin: 0 0 var(--space-2);
}

.auth-card__text {
  margin: 0 0 var(--space-4);
  color: var(--color-muted);
  font-size: 0.95rem;
}

.auth-footnote {
  margin-top: var(--space-8);
  color: var(--color-muted);
}

.auth-form {
  max-width: 420px;
}

.nav-logout {
  margin: 0;
  display: inline;
}

.nav-logout__btn {
  border: 1px solid var(--color-border);
  background: transparent;
  color: #e5e7eb;
  font: inherit;
  font-size: 0.85rem;
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
  cursor: pointer;
}

.nav-logout__btn:hover {
  border-color: rgba(56, 189, 248, 0.45);
  color: var(--color-accent);
}

.panel__title {
  margin: 0 0 var(--space-4);
  font-size: 1.05rem;
}

.panel__hint {
  margin: calc(-1 * var(--space-2)) 0 var(--space-3);
  font-size: 0.85rem;
  color: var(--color-muted);
  line-height: 1.45;
}

.field--inline {
  max-width: 420px;
}

@media (max-width: 400px) {
  .field--inline {
    max-width: 100%;
  }
}

.cabinet-top {
  margin-bottom: var(--space-6);
}

.cabinet-events {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.cabinet-events__card {
  padding: var(--space-3);
  border-radius: 10px;
  border: 1px solid var(--color-border);
  background: rgba(2, 6, 23, 0.45);
}

.cabinet-events__meta {
  margin: 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

.cabinet-events__slug {
  margin: var(--space-2) 0;
  font-family: ui-monospace, monospace;
  font-size: 0.8rem;
  color: #94a3b8;
}

.cabinet-events__guests {
  margin: 0 0 var(--space-2);
  font-size: 0.85rem;
  color: #a5b4fc;
}

.cabinet-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

@media (max-width: 400px) {
  .cabinet-actions {
    flex-direction: column;
  }

  .cabinet-actions .button {
    width: 100%;
  }
}

.article-event__organizer {
  margin: var(--space-2) 0;
  color: #bae6fd;
}

.event-pre {
  white-space: pre-wrap;
  font-family: inherit;
  background: rgba(2, 6, 23, 0.5);
  padding: var(--space-3);
  border-radius: 8px;
  border: 1px solid var(--color-border);
}

.article-event__extra {
  margin-top: var(--space-6);
}

.article-event__rsvp {
  margin-top: var(--space-8);
}

.article-event__hint {
  margin-top: var(--space-6);
  color: var(--color-muted);
}

.article-event__share {
  margin-top: var(--space-8);
}

.article-event__share .section__sub {
  margin-top: var(--space-2);
  margin-bottom: var(--space-3);
}

.share-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: 0;
}

@media (max-width: 380px) {
  .share-row {
    flex-direction: column;
    align-items: stretch;
  }

  .share-row .button {
    width: 100%;
  }
}

.card__note {
  margin: var(--space-2) 0 0;
  font-size: 0.85rem;
  color: var(--color-muted);
}

/* Регистрация: переключатель роли (ползунок) */
.role-toggle {
  margin-bottom: var(--space-6);
  padding: var(--space-4);
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  background: rgba(15, 23, 42, 0.45);
}

.role-toggle__hint {
  margin: 0 0 var(--space-3);
  font-size: 0.9rem;
  color: var(--color-muted);
}

.role-toggle__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
}

.role-toggle__label {
  font-size: 0.9rem;
  color: var(--color-muted);
  min-width: 5.5rem;
}

.role-toggle__label:first-of-type {
  text-align: right;
}

.role-toggle__label[data-active="true"] {
  color: var(--color-accent);
  font-weight: 700;
}

.role-toggle__slider {
  flex: 1 1 140px;
  min-width: 120px;
  height: 0.5rem;
  accent-color: var(--color-accent);
  cursor: pointer;
}

.role-toggle__slider:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: 4px;
}

@media (max-width: 420px) {
  .role-toggle__row {
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-2);
  }

  .role-toggle__label:first-of-type {
    text-align: center;
  }

  .role-toggle__label {
    text-align: center;
    min-width: 0;
  }

  .role-toggle__slider {
    flex: 1 1 auto;
    width: 100%;
    min-width: 0;
    max-width: 100%;
  }
}

/* Заголовки и длинные строки — без горизонтального вылезания на 320px */
.article-event__head h1,
.modal__title,
.card__title,
.card__title a {
  overflow-wrap: break-word;
  word-break: break-word;
}