:root {
  --swa-radius: 22px;
  --swa-radius-sm: 16px;
  --swa-shadow: 0 20px 60px rgba(9, 12, 24, 0.32);
  --page-bg: #0b1020;
  --page-bg-alt: #151d36;
  --surface: rgba(17, 24, 43, 0.76);
  --surface-strong: rgba(22, 30, 54, 0.92);
  --surface-soft: rgba(255, 255, 255, 0.05);
  --line: rgba(255, 255, 255, 0.12);
  --line-strong: rgba(255, 255, 255, 0.22);
  --text-main: #f8f5ff;
  --text-muted: #b7bfd8;
  --accent: #ff6b6b;
  --accent-2: #ffd166;
  --accent-3: #4ecdc4;
  --accent-4: #7c83fd;
}

html,
body {
  overflow-x: hidden;
}

body {
  color: var(--text-main);
  background:
    radial-gradient(circle at top left, rgba(255, 107, 107, 0.25), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(78, 205, 196, 0.18), transparent 24%),
    radial-gradient(circle at bottom right, rgba(124, 131, 253, 0.18), transparent 22%),
    linear-gradient(160deg, var(--page-bg) 0%, var(--page-bg-alt) 100%);
}

html[data-bs-theme="light"] {
  --page-bg: #fff8ef;
  --page-bg-alt: #ffe9dc;
  --surface: rgba(255, 255, 255, 0.82);
  --surface-strong: rgba(255, 255, 255, 0.95);
  --surface-soft: rgba(255, 255, 255, 0.72);
  --line: rgba(44, 34, 64, 0.12);
  --line-strong: rgba(44, 34, 64, 0.2);
  --text-main: #1b1730;
  --text-muted: #665f7d;
}

html[data-bs-theme="light"] body {
  background:
    radial-gradient(circle at top left, rgba(255, 107, 107, 0.16), transparent 28%),
    radial-gradient(circle at 85% 12%, rgba(78, 205, 196, 0.16), transparent 24%),
    radial-gradient(circle at bottom right, rgba(124, 131, 253, 0.14), transparent 22%),
    linear-gradient(160deg, #fff8ef 0%, #fff1e7 52%, #fefcf8 100%);
}

.text-secondary,
.form-text,
.small {
  color: var(--text-muted) !important;
}

.border-secondary-subtle {
  border-color: rgba(255, 255, 255, 0.08) !important;
}

.hero-card,
.tool-card {
  position: relative;
  overflow: hidden;
  border-radius: var(--swa-radius);
  border: 1px solid var(--line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03)),
    var(--surface);
  box-shadow: var(--swa-shadow);
  backdrop-filter: blur(18px);
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(18px);
  background: rgba(11, 16, 32, 0.28);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

html[data-bs-theme="light"] .site-header {
  background: rgba(255, 248, 239, 0.72);
  border-bottom-color: rgba(44, 34, 64, 0.08);
}

.hero-card::before,
.tool-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(circle at top right, rgba(255, 209, 102, 0.14), transparent 24%),
    radial-gradient(circle at bottom left, rgba(78, 205, 196, 0.12), transparent 24%);
}

.hero-card,
.tool-card,
.stage-card,
.preview-tile > div,
.landing-playlists > div {
  color: var(--text-main);
}

.hero-card .badge {
  border-radius: 999px;
  padding: 0.65rem 0.9rem;
  background: rgba(255, 255, 255, 0.08) !important;
  color: var(--text-main);
}

.preview-tile {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.85rem;
  transform: rotate(4deg);
}

.preview-tile > div {
  min-height: 88px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 0.85rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.16), rgba(255, 255, 255, 0.06));
  overflow-wrap: anywhere;
  font-weight: 700;
}

.preview-tile > div:nth-child(3n + 1) {
  background:
    linear-gradient(180deg, rgba(255, 107, 107, 0.28), rgba(255, 107, 107, 0.08));
}

.preview-tile > div:nth-child(3n + 2) {
  background:
    linear-gradient(180deg, rgba(255, 209, 102, 0.28), rgba(255, 209, 102, 0.08));
}

.preview-tile > div:nth-child(3n) {
  background:
    linear-gradient(180deg, rgba(78, 205, 196, 0.24), rgba(78, 205, 196, 0.08));
}

.alert {
  border-radius: var(--swa-radius-sm);
  border-width: 1px;
}

.alert-info {
  color: #e8f1ff;
  background: rgba(124, 131, 253, 0.18);
  border-color: rgba(124, 131, 253, 0.35);
}

.alert-success {
  color: #effff9;
  background: rgba(78, 205, 196, 0.16);
  border-color: rgba(78, 205, 196, 0.36);
}

.alert-warning {
  color: #fff9e7;
  background: rgba(255, 209, 102, 0.18);
  border-color: rgba(255, 209, 102, 0.36);
}

.alert-danger {
  color: #fff0f0;
  background: rgba(255, 107, 107, 0.18);
  border-color: rgba(255, 107, 107, 0.36);
}

.form-control,
.form-select {
  border-radius: var(--swa-radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(10, 14, 28, 0.58);
  color: var(--text-main);
}

html[data-bs-theme="light"] .form-control,
html[data-bs-theme="light"] .form-select {
  background: rgba(255, 255, 255, 0.84);
}

.form-control:focus,
.form-select:focus {
  color: var(--text-main);
  background: rgba(10, 14, 28, 0.75);
  border-color: rgba(78, 205, 196, 0.6);
  box-shadow: 0 0 0 0.2rem rgba(78, 205, 196, 0.16);
}

.form-control::placeholder {
  color: rgba(183, 191, 216, 0.8);
}

textarea.form-control {
  min-height: 360px;
}

.border.rounded-3 {
  border-color: var(--line) !important;
  border-radius: var(--swa-radius-sm) !important;
  background: rgba(255, 255, 255, 0.03);
}

.btn {
  border-radius: 999px;
  padding-left: 1rem;
  padding-right: 1rem;
  font-weight: 700;
}

.btn-primary {
  border-color: transparent;
  color: #10131d;
  background: linear-gradient(135deg, var(--accent-2), var(--accent));
  box-shadow: 0 10px 28px rgba(255, 107, 107, 0.25);
}

.btn-primary:hover,
.btn-primary:focus {
  color: #10131d;
  background: linear-gradient(135deg, #ffe08a, #ff8787);
}

.btn-outline-secondary {
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.18);
  background: rgba(255, 255, 255, 0.04);
}

html[data-bs-theme="light"] .btn-outline-secondary {
  border-color: rgba(44, 34, 64, 0.14);
  background: rgba(255, 255, 255, 0.7);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
  color: var(--text-main);
  border-color: rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.1);
}

.output-heading {
  font-weight: 800;
  letter-spacing: 0.2px;
}

.output-heading--success {
  color: #9af5d6;
}

.bingo-preview-table {
  table-layout: fixed;
  border-color: rgba(255, 255, 255, 0.18);
  --bs-table-bg: transparent;
  --bs-table-color: var(--text-main);
  --bs-table-border-color: rgba(255, 255, 255, 0.16);
}

.bingo-preview-cell {
  width: 20%;
  height: 92px;
  padding: 0.5rem !important;
  font-size: 0.85rem;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
  hyphens: auto;
  background: rgba(255, 255, 255, 0.06);
}

html[data-bs-theme="light"] .bingo-preview-table {
  --bs-table-border-color: rgba(44, 34, 64, 0.12);
}

html[data-bs-theme="light"] .bingo-preview-cell {
  background: rgba(255, 255, 255, 0.72);
}

.bingo-preview-cell--center {
  font-weight: 800;
  color: #08141b;
  background: linear-gradient(135deg, var(--accent-3), #8af3ec) !important;
}

.accordion-item {
  border-color: var(--line);
  background: rgba(255, 255, 255, 0.03);
}

.accordion-button {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.04);
}

.accordion-button:not(.collapsed) {
  color: var(--text-main);
  background: rgba(255, 255, 255, 0.08);
  box-shadow: none;
}

.accordion-button:focus {
  box-shadow: 0 0 0 0.2rem rgba(124, 131, 253, 0.2);
}

.accordion-button::after {
  filter: invert(1) brightness(1.8);
}

html[data-bs-theme="light"] .accordion-button::after {
  filter: none;
}

.landing-shell {
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2rem 0 3rem;
}

.landing-hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 1.5rem;
  align-items: center;
  min-height: 78vh;
}

.landing-copy h1 {
  font-size: clamp(3.2rem, 9vw, 6.5rem);
  line-height: 0.95;
  margin: 0 0 1rem;
}

.landing-kicker {
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-weight: 800;
  color: #ffd166;
}

.landing-lead {
  max-width: 38rem;
  font-size: 1.15rem;
  color: var(--text-muted);
}

.landing-actions {
  display: flex;
  gap: 0.9rem;
  flex-wrap: wrap;
  margin-top: 1.5rem;
}

.landing-stage {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
}

.stage-card {
  min-height: 140px;
  display: grid;
  place-items: center;
  text-align: center;
  padding: 1rem;
  border-radius: 24px;
  border: 1px solid rgba(255, 255, 255, 0.16);
  box-shadow: var(--swa-shadow);
  font-size: 1.1rem;
  font-weight: 800;
  background: linear-gradient(135deg, rgba(255, 107, 107, 0.36), rgba(124, 131, 253, 0.18));
}

.stage-card:nth-child(2n) {
  transform: translateY(28px);
  background: linear-gradient(135deg, rgba(78, 205, 196, 0.34), rgba(255, 209, 102, 0.14));
}

.landing-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1rem 0 1.5rem;
}

.landing-playlists {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0.9rem;
}

.landing-playlists > div {
  padding: 1rem;
  border-radius: 18px;
  border: 1px solid rgba(255, 255, 255, 0.14);
  background: rgba(255, 255, 255, 0.05);
  font-weight: 700;
  text-align: center;
}

.table-responsive,
.border.rounded-3,
.alert,
.form-control,
.form-select {
  position: relative;
  z-index: 1;
}

@media (max-width: 991.98px) {
  .preview-tile {
    transform: none;
  }

  .landing-hero,
  .landing-grid,
  .landing-playlists {
    grid-template-columns: 1fr;
  }

  .landing-stage {
    grid-template-columns: 1fr 1fr;
  }

  .stage-card:nth-child(2n) {
    transform: none;
  }
}

@media print {
  @page {
    size: auto;
    margin: 0.5in;
  }

  body {
    color: #000;
    background: #fff !important;
  }

  header,
  footer,
  .hero-card,
  #toolStatus,
  form,
  .accordion,
  .h4,
  .h5,
  .text-secondary,
  #generateDjPlaylistBtn,
  #djMaxCardSelect,
  #djPlaylistOut,
  .fw-semibold:not(.print-card-title) {
    display: none !important;
  }

  main.container {
    max-width: none !important;
    padding: 0 !important;
  }

  .tool-card {
    background: transparent !important;
    border: 0 !important;
    box-shadow: none !important;
    padding: 0 !important;
  }

  #output {
    display: block !important;
  }

  #cardsPreview {
    display: block !important;
  }

  #cardsPreview > div {
    width: 100% !important;
    max-width: none !important;
    break-inside: avoid;
    page-break-inside: avoid;
    margin-bottom: 0.35in;
  }

  #cardsPreview > div:nth-child(2n) {
    break-after: page;
    page-break-after: always;
  }

  #cardsPreview > div:last-child {
    break-after: auto;
    page-break-after: auto;
  }

  .bingo-preview-table {
    --bs-table-color: #000;
    --bs-table-border-color: #444;
  }

  .bingo-preview-cell {
    height: 0.95in;
    font-size: 11pt;
    line-height: 1.2;
    background: #fff;
  }

  .bingo-preview-cell--center {
    color: #000;
    background: #e9f8f6 !important;
  }
}