/**
 * Preview stage — iframe Start A under sport-page chrome.
 * Theme vars live here (как inline у sport-page/ab2): landing-theme.css их не задаёт.
 */
html {
  height: 100%;
}

body.preview-page {
  height: 100%;
  overflow: hidden;
}

.preview-page {
  --accent: #4da3ff;
  --accent-rgb: 77, 163, 255;
  --primary-gradient: linear-gradient(135deg, #4da3ff 0%, #7f5cff 50%, #00e0ff 100%);
  --accent-glow: rgba(77, 163, 255, 0.5);
  --card-bg: rgba(255, 255, 255, 0.05);
  --card-border: rgba(255, 255, 255, 0.1);
  --text-primary: #e6e9ff;
  --text-muted: #94a3b8;
  --modal-content-bg: rgba(12, 18, 45, 0.95);
  --font-heading: "Tektur", sans-serif;

  min-height: 100dvh;
  min-height: 100svh;
  background: radial-gradient(circle at 20% 20%, #1a1f3a 0%, #0c0f1f 60%, #05070f 100%);
  color: var(--text-primary);
  font-family: "Exo 2", system-ui, sans-serif;
}

.preview-page.theme-orange {
  --accent: #e89b2c;
  --accent-rgb: 232, 155, 44;
  --primary-gradient: linear-gradient(135deg, #e89b2c 0%, #d4770a 50%, #f0b429 100%);
  --accent-glow: rgba(232, 155, 44, 0.5);
  --modal-content-bg: rgba(35, 22, 10, 0.95);
}

.preview-page .text-accent {
  color: var(--accent) !important;
}

.preview-page .theme-switch {
  padding: 0.35rem 0.5rem;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--card-border);
  color: var(--text-muted);
  border-radius: 8px;
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.preview-page .theme-switch:hover {
  color: var(--accent);
  border-color: rgba(var(--accent-rgb), 0.5);
}

.preview-page .theme-switch.active {
  background: rgba(var(--accent-rgb), 0.2);
  color: var(--accent);
  border-color: var(--accent);
}

.preview-page .landing-nav {
  z-index: 1040;
}

.preview-page .landing-nav .nav-link:hover,
.preview-page .landing-nav .nav-link:focus {
  color: var(--accent) !important;
}

.preview-stage {
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  height: 100dvh;
  height: 100svh;
  padding-top: calc(3.5rem + env(safe-area-inset-top, 0));
  background: rgba(8, 12, 28, 0.55);
  overflow: hidden;
}

.preview-iframe-wrap {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  height: 100%;
  margin: 0.5rem 0.75rem 0;
  border-radius: 1rem;
  overflow: hidden;
  border: 1px solid var(--card-border);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  background: #0a0e1a;
}

.preview-iframe {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  background: #fff;
}

.preview-corner-btn {
  position: absolute;
  bottom: 1.15rem;
  z-index: 3;
  width: 2.75rem;
  height: 2.75rem;
  min-height: 2.75rem;
  padding: 0;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 0.5rem;
  border: 1px solid rgba(var(--accent-rgb), 0.45);
  background: rgba(8, 12, 28, 0.72);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  color: #e6e9ff;
  font-family: "Tektur", sans-serif;
  font-weight: 600;
  font-size: 1.15rem;
  line-height: 1;
  cursor: pointer;
  touch-action: manipulation;
  box-shadow: 0 4px 16px rgba(var(--accent-rgb), 0.25);
}

.preview-corner-btn--about {
  right: 1.15rem;
}

.preview-corner-btn--share {
  left: 1.15rem;
  font-size: 1.25rem;
}

.preview-corner-btn--share .bi {
  display: block;
  transform: scaleX(-1);
  line-height: 1;
}

.preview-corner-btn:hover,
.preview-corner-btn:focus-visible {
  color: #fff;
  border-color: var(--accent);
  background: rgba(12, 18, 45, 0.88);
  box-shadow: 0 0 20px rgba(var(--accent-rgb), 0.45);
  outline: none;
}

.preview-bar {
  flex: 0 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  justify-content: center;
  padding: 0.75rem 1rem calc(0.85rem + env(safe-area-inset-bottom, 0));
  background: rgba(8, 12, 28, 0.92);
  border-top: 1px solid rgba(var(--accent-rgb), 0.25);
}

.preview-bar .btn {
  min-height: 2.75rem;
  font-family: "Tektur", sans-serif;
  font-weight: 600;
}

.preview-page .preview-bar .btn-primary,
.preview-page .modal .btn-primary {
  background: var(--primary-gradient);
  border: none;
  box-shadow: 0 0 16px rgba(var(--accent-rgb), 0.5);
  color: #fff;
}

.preview-page .preview-bar .btn-primary:hover,
.preview-page .modal .btn-primary:hover {
  box-shadow: 0 0 28px rgba(var(--accent-rgb), 0.75);
  color: #fff;
}

.preview-page .preview-bar .btn-outline-primary,
.preview-page .modal .btn-outline-primary {
  border: 2px solid var(--accent);
  color: var(--accent);
  background: transparent;
}

.preview-page .preview-bar .btn-outline-primary:hover,
.preview-page .modal .btn-outline-primary:hover {
  background: rgba(var(--accent-rgb), 0.15);
  color: #fff;
  border-color: var(--accent);
  box-shadow: 0 0 16px rgba(var(--accent-rgb), 0.35);
}

/* Тёмные модалки (Bootstrap default — белый; текст у нас светлый) */
.preview-page .modal-content {
  background: var(--modal-content-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--card-border);
  color: var(--text-primary);
  box-shadow: 0 16px 48px rgba(0, 0, 0, 0.55);
}

.preview-page .modal-header {
  border-bottom-color: transparent;
}

.preview-page .modal-title {
  font-family: var(--font-heading);
  color: var(--text-primary);
}

.preview-page .modal-body {
  color: var(--text-primary);
}

.preview-page .btn-close {
  filter: invert(1) grayscale(1);
  opacity: 0.7;
}

.preview-page .btn-close:hover {
  opacity: 1;
}

.preview-page .form-control,
.preview-page .form-select {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--card-border);
  color: var(--text-primary);
}

.preview-page .form-control:focus,
.preview-page .form-select:focus {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
  color: var(--text-primary);
  box-shadow: 0 0 0 0.2rem rgba(var(--accent-rgb), 0.25);
}

.preview-page .form-control::placeholder {
  color: var(--text-muted);
}

.preview-page .form-check-label,
.preview-page .form-label {
  color: var(--text-muted);
}

.preview-share-toast {
  position: fixed;
  left: 50%;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0));
  z-index: 1090;
  transform: translateX(-50%) translateY(0.5rem);
  padding: 0.55rem 1rem;
  border-radius: 0.65rem;
  border: 1px solid var(--card-border);
  background: rgba(12, 18, 45, 0.94);
  color: var(--text-primary);
  font-size: 0.9rem;
  line-height: 1.3;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.35);
}

.preview-share-toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

.preview-about-modal .preview-about-h1 {
  font-family: "Tektur", sans-serif;
  font-weight: 700;
  font-size: clamp(1.15rem, 4vw, 1.45rem);
  line-height: 1.3;
  margin: 0 0 0.75rem;
  color: var(--text-primary);
}

.preview-about-modal .preview-about-intro {
  margin: 0 0 1.25rem;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.preview-about-modal .preview-about-sections {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.preview-about-modal .preview-about-section h2 {
  font-family: "Tektur", sans-serif;
  font-weight: 600;
  font-size: 1.05rem;
  line-height: 1.3;
  margin: 0 0 0.4rem;
  color: var(--text-primary);
}

.preview-about-modal .preview-about-section p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--text-muted);
}

.preview-contacts-modal .preview-contacts-brand {
  font-family: "Tektur", sans-serif;
  font-weight: 600;
  color: var(--accent);
}

.preview-page .modal-backdrop.show {
  opacity: 0.92;
  background-color: #05070f;
}

#lead-submit-btn.opacity-50 {
  pointer-events: auto;
}

@media (min-width: 768px) {
  .preview-iframe-wrap {
    margin: 0.75rem 1.25rem 0;
  }

  .preview-bar .btn {
    min-width: 12rem;
  }
}