/* ===== Fonts ===== */
@font-face {
  font-family: 'Cherry Bomb One';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/cherry-bomb-one-ext.woff2') format('woff2');
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
  font-family: 'Cherry Bomb One';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url('./fonts/cherry-bomb-one.woff2') format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

/* ===== Custom Properties ===== */
:root {
  --color-bg: #0d0d2b;
  --color-surface: #1a1a3e;
  --color-surface-2: #252550;
  --color-text: #f0f0f8;
  --color-text-muted: #9090b8;
  --color-gold: #f0c040;
  --color-magenta: #e0359a;
  --color-blue: #4060e0;
  --color-border: #3a3a6a;
  --color-error: #e05050;
  --color-on-primary: #fff;
  --color-free-bg: color-mix(in srgb, var(--color-gold) 25%, transparent);

  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;

  --font-display: ui-rounded, "SF Pro Display", "Helvetica Neue", system-ui, sans-serif;
  --font-text: system-ui, -apple-system, sans-serif;
  --font-bubble: 'Cherry Bomb One', ui-rounded, system-ui, sans-serif;

  --transition-phase: 0.35s ease;
}

@media (prefers-color-scheme: light) {
  :root {
    --color-bg: #f5f3ff;
    --color-surface: #ffffff;
    --color-surface-2: #ece8ff;
    --color-text: #111128;
    --color-text-muted: #6060a0;
    --color-border: #d0c8f0;
  }
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { block-size: 100%; }

body {
  min-block-size: 100%;
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-text);
  font-size: clamp(14px, 2vw, 16px);
  line-height: 1.5;
}

/* ===== Phase System ===== */
.phase { display: none; }

.phase--active {
  display: block;
  opacity: 1;
  transform: translateY(0);
  transition: opacity var(--transition-phase), transform var(--transition-phase);
}

@starting-style {
  .phase--active {
    opacity: 0;
    transform: translateY(12px);
  }
}

.phase__inner {
  max-inline-size: 600px;
  margin-inline: auto;
  padding: clamp(20px, 4vw, 48px) clamp(16px, 4vw, 32px);
}

.phase__inner--center {
  min-block-size: 100svh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 28px;
}

.phase__inner--config {
  display: flex;
  flex-direction: column;
  min-block-size: 100svh;
  gap: 0;
  padding-block-end: 90px;
}

/* ===== Phase 1 ===== */
.headline {
  font-family: var(--font-bubble);
  font-size: clamp(3.2rem, 12vw, 6.5rem);
  font-weight: 400;
  letter-spacing: 0.01em;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-magenta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1.1;
}


/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.01em;
  transition: opacity 0.15s, transform 0.1s;
  text-decoration: none;
  padding: 12px 24px;
  font-size: 1rem;
}

.btn:active { transform: scale(0.97); }
.btn:disabled { opacity: 0.35; cursor: not-allowed; transform: none; }

.btn--primary {
  background: linear-gradient(135deg, var(--color-magenta), var(--color-blue));
  color: var(--color-on-primary);
}
.btn--primary:not(:disabled):hover { opacity: 0.88; }

.btn--secondary {
  background: var(--color-surface-2);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--secondary:hover { opacity: 0.8; }

.btn--ghost {
  background: transparent;
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}
.btn--ghost:hover { color: var(--color-text); }

.btn--large {
  padding: 16px 40px;
  font-size: 1.1rem;
  border-radius: var(--radius-lg);
  inline-size: min(100%, 320px);
}

.btn--sm {
  padding: 6px 14px;
  font-size: 0.82rem;
  border-radius: var(--radius-sm);
}

/* ===== Phase 2: Back Button ===== */
.btn--back {
  align-self: flex-start;
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-family: var(--font-text);
  font-size: 0.9rem;
  padding: 8px 0;
  margin-block-end: 4px;
  transition: color 0.15s;
}
.btn--back:hover { color: var(--color-text); }
.card-actions .btn--back { align-self: center; }

/* ===== Phase 1: Mode Cards ===== */
.mode-cards {
  display: flex;
  gap: 1.25rem;
  justify-content: center;
  flex-wrap: wrap;
  margin-block-start: 0.5rem;
}

.mode-card--active {
  outline: 3px solid var(--color-gold);
  outline-offset: 3px;
}

.mode-error {
  color: var(--color-error);
  font-size: 0.9rem;
  margin-block-start: 0.75rem;
}

/* ===== Phase 2: Kartenvorschau ===== */
.card-preview-wrap {
  display: flex;
  flex-direction: column;
  width: min(100%, max(180px, calc(100svh - 340px)));
  margin-inline: auto;
  padding-block-start: clamp(4px, 1vh, 8px);
}

.card-preview {
  position: relative;
}

.card-preview .bingo-card {
  box-shadow: 0 4px 24px color-mix(in srgb, var(--color-gold) 15%, transparent);
}

.card-preview__empty {
  text-align: center;
  color: var(--color-text-muted);
  padding-block: 2rem;
  font-size: 0.95rem;
}

/* ===== Phase 2: Sticky Footer ===== */
.phase2-footer {
  position: sticky;
  bottom: 0;
  margin-block-start: auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  flex-wrap: wrap;
  padding-block: 16px;
  padding-inline: clamp(16px, 4vw, 32px);
  background: var(--color-bg);
  box-shadow: 0 -8px 24px color-mix(in srgb, var(--color-bg) 60%, transparent);
  z-index: 10;
}

/* ===== Stepper ===== */
.stepper {
  display: flex;
  align-items: center;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.stepper__btn {
  background: none;
  border: none;
  color: var(--color-text);
  cursor: pointer;
  font-size: 1.5rem;
  font-weight: 300;
  inline-size: 56px;
  block-size: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background-color 0.12s;
  flex-shrink: 0;
}
.stepper__btn:hover { background: var(--color-surface-2); }
.stepper__btn:active { background: var(--color-border); }
.stepper__btn:disabled { opacity: 0.3; cursor: not-allowed; }

.stepper__value {
  font-family: var(--font-display);
  font-size: 1.8rem;
  font-weight: 900;
  min-inline-size: 64px;
  block-size: 56px;
  text-align: center;
  border: none;
  border-inline: 1px solid var(--color-border);
  background: transparent;
  color: var(--color-text);
  padding: 0 8px;
  appearance: textfield;
  -moz-appearance: textfield;
}
.stepper__value::-webkit-inner-spin-button,
.stepper__value::-webkit-outer-spin-button { appearance: none; }

/* ===== Phase 2: Konfigurieren-Link ===== */
.btn--configure-link {
  align-self: flex-end;
  margin-block: 2px 0;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 0.85rem;
  padding: 4px 2px;
  text-decoration: underline;
  text-decoration-style: dotted;
  text-underline-offset: 3px;
  transition: color 0.15s;
}
.btn--configure-link:hover,
.btn--configure-link[aria-expanded="true"] {
  color: var(--color-text);
}

/* ===== Progressive Disclosure: Customizer ===== */
.customizer {
  display: none;
  border-block-start: 1px solid var(--color-border);
  padding-block-end: clamp(20px, 4vw, 40px);
}
.customizer--open {
  display: block;
  animation: customizerFade 0.2s ease;
}
@keyframes customizerFade {
  from { opacity: 0; }
  to   { opacity: 1; }
}

.customizer-section__toggle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  list-style: none;
  user-select: none;
  transition: color 0.15s;
}
.customizer-section__toggle::-webkit-details-marker { display: none; }

.customizer__arrow {
  display: inline-block;
  transition: transform 0.2s;
  flex-shrink: 0;
}
.customizer-section[open] > summary .customizer__arrow {
  transform: rotate(90deg);
}

.customizer__body {
  display: flex;
  flex-direction: column;
}

/* ===== Customizer Sub-sections ===== */
.customizer-section {
  border-block-start: 1px solid var(--color-border);
}

.customizer-section__toggle {
  padding-block: 16px;
  font-size: 0.95rem;
  color: var(--color-text-muted);
}
.customizer-section__toggle:hover { color: var(--color-text); }
.customizer-section[open] > summary.customizer-section__toggle { color: var(--color-text); }

.customizer-section__body {
  padding-block-end: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 1;
  transition: opacity 0.2s;
}
@starting-style {
  .customizer-section[open] > .customizer-section__body {
    opacity: 0;
  }
}

.section-controls {
  display: flex;
  gap: 8px;
}

/* ===== Preset Groups ===== */
details.preset-group {
  margin-block-end: 2px;
}

details.preset-group summary {
  list-style: none;
  cursor: pointer;
  user-select: none;
}
details.preset-group summary::-webkit-details-marker { display: none; }

.preset-group__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 12px;
  background: var(--color-surface-2);
  border-block-end: 1px solid var(--color-border);
  transition: background-color 0.1s;
}

@media (hover: hover) {
  .preset-group__header:hover { filter: brightness(1.1); }
}

.preset-group__chevron {
  flex-shrink: 0;
  font-size: 0.8rem;
  color: var(--color-text-muted);
  transition: transform 0.2s;
}
details[open] > summary .preset-group__chevron {
  transform: rotate(90deg);
}

.preset-group__indicator {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.4em;
  font-size: 0.85rem;
  font-weight: 700;
  flex-shrink: 0;
}

.preset-group__indicator[data-state="all"] { color: var(--color-magenta); }
.preset-group__indicator[data-state="partial"] { color: var(--color-text-muted); }
.preset-group__indicator[data-state="none"] { color: transparent; }

.preset-group__title {
  flex: 1;
  font-weight: 600;
  font-size: 0.85rem;
  color: var(--color-text);
}

.preset-group__header .btn {
  font-size: 0.72rem;
  padding: 2px 8px;
  min-block-size: auto;
}

.preset-item {
  display: flex;
  align-items: center;
  width: 100%;
  min-block-size: 44px;
  padding-inline-start: 2.25rem;
  padding-inline-end: 12px;
  background: none;
  border: none;
  border-block-end: 1px solid var(--color-border);
  text-align: start;
  cursor: pointer;
  color: var(--color-text-muted);
  font-family: var(--font-text);
  font-size: 0.9rem;
  transition: background-color 0.1s, color 0.1s;
  position: relative;
}

.preset-item::before {
  content: '';
  position: absolute;
  inset-inline-start: 12px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.9rem;
}

.preset-item--active {
  color: var(--color-text);
  font-weight: 500;
}

.preset-item--active::before {
  content: '✓';
  color: var(--color-magenta);
  font-weight: 700;
}

@media (hover: hover) {
  .preset-item:hover {
    background: var(--color-surface-2);
    color: var(--color-text);
  }
}

/* ===== Custom-Field Tags (weiterhin als Chips) ===== */
.tag {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  color: var(--color-text-muted);
  cursor: pointer;
  font-family: var(--font-text);
  font-size: 0.82rem;
  padding: 6px 14px;
  min-block-size: 36px;
  transition: background-color 0.12s, border-color 0.12s, color 0.12s;
}
.tag:hover { border-color: var(--color-magenta); color: var(--color-text); }
.tag--active {
  background: color-mix(in srgb, var(--color-magenta) 18%, transparent);
  border-color: var(--color-magenta);
  color: var(--color-text);
}

/* ===== Custom Input ===== */
.custom-input-row {
  display: flex;
  gap: 8px;
}

.input {
  background: var(--color-surface-2);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  font-family: var(--font-text);
  font-size: 0.95rem;
  padding: 10px 14px;
  flex: 1;
  min-block-size: 44px;
  transition: border-color 0.15s;
}
.input:focus { outline: none; border-color: var(--color-magenta); }
.input::placeholder { color: var(--color-text-muted); }

/* ===== Custom Field Rows ===== */
.custom-field-list {
  display: flex;
  flex-direction: column;
}

.custom-field-item {
  display: flex;
  align-items: center;
  width: 100%;
  min-block-size: 44px;
  padding-inline-start: 2.25rem;
  padding-inline-end: 12px;
  border-block-end: 1px solid var(--color-border);
  color: var(--color-text);
  font-family: var(--font-text);
  font-size: 0.9rem;
  font-weight: 500;
  position: relative;
}

.custom-field-item::before {
  content: '✓';
  position: absolute;
  inset-inline-start: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-magenta);
  font-weight: 700;
  font-size: 0.9rem;
}

.custom-field-item__text {
  flex: 1;
}

.custom-field-item__remove {
  background: none;
  border: none;
  color: var(--color-text-muted);
  cursor: pointer;
  font-size: 1rem;
  line-height: 1;
  padding: 2px 4px;
  min-block-size: 28px;
  min-inline-size: 28px;
  transition: color 0.1s;
  margin-inline-start: auto;
}
.custom-field-item__remove:hover { color: var(--color-error); }

/* ===== Option Row ===== */
.option-row {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
}

.option-checkbox {
  inline-size: 20px;
  block-size: 20px;
  accent-color: var(--color-magenta);
  cursor: pointer;
  flex-shrink: 0;
}

.option-label { font-size: 0.95rem; font-weight: 500; }

/* ===== Phase 2 – Kartenvorschau ===== */
.card-title {
  font-family: var(--font-bubble);
  font-size: clamp(2.8rem, 10vw, 5rem);
  font-weight: 400;
  letter-spacing: 0.01em;
  line-height: 1.1;
  text-align: center;
  background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-magenta) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  caret-color: var(--color-gold);
  cursor: text;
  outline: none;
  border-radius: var(--radius-sm);
  padding: 4px 12px;
  margin-block-end: 20px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-inline-size: 100%;
  transition: box-shadow 0.18s;
}

.card-title:hover {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-gold) 30%, transparent);
}

.card-title:focus {
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--color-gold) 60%, transparent);
  white-space: normal;
}

.card-title:empty::before {
  content: 'ESC-Bingo';
  -webkit-text-fill-color: var(--color-text-muted);
  opacity: 0.5;
}

.bingo-card__title {
  display: none;
}

.card-actions {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  align-items: center;
  margin-block-end: 28px;
}

/* ===== Card Navigation ===== */
.card-nav[hidden] { display: none; }

.card-nav {
  position: absolute;
  inset-block: 0;
  inset-inline: -60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
  z-index: 1;
}

.card-nav__btn {
  pointer-events: all;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
  font-size: 1.2rem;
  padding: 10px 12px;
  transition: background 0.15s, border-color 0.15s;
}

.card-nav__btn:hover:not(:disabled) {
  background: var(--color-surface-2);
  border-color: var(--color-gold);
}

.card-nav__btn:disabled {
  opacity: 0.25;
  cursor: default;
}

@media (max-width: 500px) {
  .card-nav {
    inset-inline: 0;
  }
  .card-nav__btn {
    background: color-mix(in srgb, var(--color-surface) 85%, transparent);
    border-color: transparent;
    padding: 8px 10px;
  }
  @supports (backdrop-filter: blur(1px)) {
    .card-nav__btn {
      backdrop-filter: blur(4px);
    }
  }
}

/* ===== Bingo Card ===== */
.bingo-card {
  display: none;
  background: var(--color-surface);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-block-end: 0;
  container-type: inline-size;
}

.bingo-card--active {
  display: block;
  transform: translateX(0);
  opacity: 1;
  transition: transform 0.2s ease, opacity 0.15s ease;
}

@starting-style {
  .bingo-card--active[data-slide="right"] { transform: translateX(32px); opacity: 0; }
  .bingo-card--active[data-slide="left"]  { transform: translateX(-32px); opacity: 0; }
}

.bingo-card__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 800;
  text-align: center;
  padding: 12px 16px 10px;
  letter-spacing: 0.02em;
  color: var(--color-gold);
  border-block-end: 1px solid var(--color-border);
}

.bingo-grid {
  display: grid;
  grid-template-columns: repeat(var(--grid-size, 5), 1fr);
  width: 100%;
}

.bingo-cell {
  aspect-ratio: 1;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  font-size: 1.7cqi;
  font-weight: 500;
  line-height: 1.25;
  padding: 0.8cqi;
  border: 1px solid var(--color-border);
  hyphens: auto;
  word-break: break-word;
}

.bingo-cell--free {
  background: var(--color-free-bg);
  font-size: 3cqi;
}

.bingo-grid--kids .bingo-cell {
  font-size: 3cqi;
}

/* ===== Grid-Size Selector ===== */
.grid-size-selector {
  display: flex;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  width: fit-content;
}

.grid-size-radio {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
}

.grid-size-option span {
  display: block;
  padding: 6px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  user-select: none;
  border-inline-end: 1px solid var(--color-border);
  transition: background-color 0.15s, color 0.15s;
}

.grid-size-option:last-child span {
  border-inline-end: none;
}

.grid-size-radio:checked + span {
  background: var(--color-magenta);
  color: var(--color-on-primary);
}

.grid-size-radio:focus-visible + span {
  outline: 2px solid var(--color-magenta);
  outline-offset: -2px;
}

/* ===== Print ===== */
#print-container { display: none; }

@page { size: A4 portrait; margin: 10mm; }

@media print {
  :root {
    --color-bg: #fff;
    --color-surface: #fff;
    --color-surface-2: #f0f0f0;
    --color-text: #000;
    --color-text-muted: #555;
    --color-border: #999;
    --color-gold: #d4a800;
    --color-magenta: #000;
    --color-blue: #000;
    --color-free-bg: #f5e080;
  }

  body > *:not(#print-container) { display: none !important; }

  #print-container {
    display: block;
    padding: 0;
    margin: 0;
  }

  .bingo-card {
    display: flex !important;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    aspect-ratio: auto;
    animation: none !important;
    break-before: page;
    page-break-before: always;
    border: none;
    border-radius: 0;
    width: 100%;
    height: 250mm;
    box-sizing: border-box;
    overflow: hidden;
    margin: 0;
  }

  .bingo-card:first-child {
    break-before: auto;
    page-break-before: auto;
  }

  .bingo-grid {
    width: 100%;
    border: 2px solid var(--color-text);
  }

  .bingo-cell {
    aspect-ratio: 1;
    overflow: hidden;
    border: 1px solid var(--color-border);
  }

  .bingo-cell--free {
    background: repeating-linear-gradient(
      45deg,
      transparent,
      transparent 4px,
      var(--color-border) 4px,
      var(--color-border) 5px
    ) !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .bingo-card__name {
    color: var(--color-text);
    border-block-end: 1px solid var(--color-border);
  }

  .bingo-card__title {
    display: block;
    font-family: var(--font-bubble);
    font-size: 7.8cqi;
    font-weight: 400;
    letter-spacing: 0.01em;
    text-align: center;
    color: var(--color-text);
    padding: 6mm 0 3mm;
  }
}