:root {
  --card-bg: var(--surface);
  --card-border: var(--border);
  --card-shadow: var(--shadow);
}

.center-actions {
  display: flex;
  gap: 16px;
}

.lottery-panel {
  max-width: 1100px;
  margin: 0 auto;
}

.calc-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 22px;
  box-shadow: var(--card-shadow);
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.card-header h3 {
  margin: 0 0 6px;
  font-size: 1.25rem;
}

.card-header p {
  margin: 0;
  color: var(--muted);
}

.chip {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  font-weight: 700;
  color: var(--muted);
}

/* Collapsible Options Panel */
.options-collapsible {
  position: relative;
  z-index: 10;
  background: transparent;
  border: none;
  box-shadow: none;
  border-radius: 0;
  overflow: visible;
}

.options-collapsible:not(.collapsed) {
  border: none;
  box-shadow: none;
  overflow: visible;
}

.options-collapsible.collapsed {
  background: transparent;
  overflow: visible;
}

.options-toggle {
  width: 100%;
  padding: 12px 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  line-height: 1;
  border-radius: 12px;
  border: none;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  
  transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
  position: relative;
  z-index: 20;
}

.options-collapsible.collapsed .options-toggle {
  background: linear-gradient(135deg, #6366f1, #a855f7);
  color: white;
  box-shadow: 0 10px 25px -5px rgba(99, 102, 241, 0.4);
  margin-bottom: 0;
}

.options-collapsible.collapsed .options-toggle:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 35px -5px rgba(99, 102, 241, 0.5);
  filter: brightness(1.1);
}

.options-collapsible:not(.collapsed) .options-toggle {
  background: var(--surface-2);
  color: var(--muted);
  border: 1px solid var(--border);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  margin-bottom: 24px;
}

.options-collapsible:not(.collapsed) .options-toggle:hover {
  background: var(--surface);
  color: var(--text);
  border-color: var(--primary);
  transform: translateY(-1px);
}

.options-toggle i {
  font-size: 1.1em;
  transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  vertical-align: middle;
  flex-shrink: 0;
}

.options-collapsible.collapsed .options-toggle i {
  transform: rotate(180deg);
}

.options-content {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  box-shadow: 0 12px 32px -4px rgba(0, 0, 0, 0.12);
  overflow: hidden;
  
  max-height: 0;
  opacity: 0;
  transform: translateY(-12px) scale(0.98);
  transform-origin: top center;
  
  transition: 
    max-height 0.6s cubic-bezier(0.22, 1, 0.36, 1),
    opacity 0.4s ease,
    transform 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

.options-content:not(.collapsed) {
  max-height: 1000px;
  opacity: 1;
  transform: translateY(0) scale(1);
}

.options-content.collapsed {
  max-height: 0;
  opacity: 0;
}

.options-content .options {
  padding: 24px;
  display: grid;
  gap: 20px;
}

/* Count Controls - +/- Button Style */
.count-controls {
  display: grid;
  gap: 8px;
  justify-items: center;
  text-align: center;
}

.count-row {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface-2);
  padding: 6px;
  border-radius: 99px;
  border: 1px solid var(--border);
}

.count-value {
  font-size: 1.25rem;
  font-weight: 700;
  min-width: 28px;
  text-align: center;
}

.count-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  padding: 0;
  font-size: 1.2rem;
  font-weight: 500;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  cursor: pointer;
  transition: all 0.2s;
}

.count-btn:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: scale(1.05);
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.count-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  pointer-events: none;
}

.range-row {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  gap: 12px;
}

/* Deprecated - keeping for backwards compatibility */
.range-row .count-value {
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--surface);
  border: 1px solid var(--border);
  font-weight: 700;
  min-width: 36px;
  text-align: center;
  font-size: 1rem;
}

/* Mode selection styling (use common category-scroll + category-chip) */
.mode-row.category-scroll {
  width: 100%;
  justify-content: space-between;
}

.mode-row.category-scroll .category-chip {
  flex: 1;
  justify-content: center;
  position: relative;
  border: 1px solid transparent;
}

.mode-row.category-scroll .category-chip input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.mode-row.category-scroll .category-chip:has(input:checked) {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
  border-color: var(--border);
}

/* Custom inputs grid */
.value-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 10px;
}

.custom-input {
  width: 100%;
}

.slip-card {
  border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--surface);
  padding: 20px;
  display: grid;
  gap: 16px;
  box-shadow: var(--shadow);
}

.slip-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--border);
}

.slip-label {
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--muted);
}

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

.slip-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
}

button:not(.primary-btn):not(.pill-btn):not(.segmented__btn):not(.category-chip):not(.tool-btn):not(.mode-btn):not(.ghost-btn):not(.search-clear-btn):not(.overlay-action-btn).slip-item {
  border-radius: 16px;
  border: 1px solid var(--border);
  color: var(--text);
  padding: 14px 12px;
  min-height: 160px;
  display: grid;
  grid-template-rows: auto 1fr;
  gap: 10px;
  text-align: center;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  position: relative;
  overflow: hidden;
    box-shadow: unset;
    font-size: unset;
    align-items: unset;
    justify-content: unset;
}

button:not(.primary-btn):not(.pill-btn):not(.segmented__btn):not(.category-chip):not(.tool-btn):not(.mode-btn):not(.ghost-btn):not(.search-clear-btn):not(.overlay-action-btn).slip-item:hover {
  transform: translateY(-3px);
  border-color: rgba(59, 130, 246, 0.5);
  box-shadow: 0 10px 20px rgba(15, 23, 42, 0.2);
}

button:not(.primary-btn):not(.pill-btn):not(.segmented__btn):not(.category-chip):not(.tool-btn):not(.mode-btn):not(.ghost-btn):not(.search-clear-btn):not(.overlay-action-btn).slip-item.is-revealed {
  background: rgba(59, 130, 246, 0.12);
  border-color: rgba(59, 130, 246, 0.6);
}

.slip-title {
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.slip-visual {
  position: relative;
  width: 100%;
  height: 180px;
  border-radius: 14px;
  display: block;
  margin: 0 auto;
  perspective: 900px;
}

.slip-item.is-revealed .slip-visual {
  height: 180px;
}

.slip-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  transform-origin: 50% 20%;
  transition: opacity 260ms ease, transform 520ms cubic-bezier(0.2, 0.8, 0.2, 1);
  filter: var(--slip-filter, hue-rotate(var(--hue, 0deg)));
  user-select: none;
  -webkit-user-drag: none;
}

.slip-img--open {
  opacity: 0;
  transform: translateY(14px) scale(0.94);
}

.slip-img--closed {
  opacity: 1;
  transform: translateY(0) rotateX(0deg) scale(1);
}

.slip-item.is-revealed .slip-img--closed {
  opacity: 0;
  transform: translateY(-18px) rotateX(72deg) scale(0.94);
}

.slip-item.is-revealed .slip-img--open {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.slip-overlay {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: rgb(21, 26, 34, 0.5);
  color: #fff;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  pointer-events: none;
  transition: opacity 220ms ease, transform 520ms cubic-bezier(0.2, 0.8, 0.2, 1);
  max-width: calc(100% - 18px);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.slip-overlay--open {
  opacity: 0;
  transform: translate(-50%, calc(-50% + 10px));
  letter-spacing: 0.04em;
  text-transform: none;
  background: transparent !important;
  border: none !important;
  color: #000 !important;
  font-size: 1.15rem;
  font-weight: 800;
  text-shadow: none;
  width: 90%;
  text-align: center;
}

.slip-item.is-revealed .slip-overlay--closed {
  opacity: 0;
  transform: translate(-50%, calc(-50% - 10px));
}

.slip-item.is-revealed .slip-overlay--open {
  opacity: 1;
  transform: translate(-50%, -50%);
  transition-delay: 160ms;
}

.is-hidden {
  display: none;
}


html[data-theme="light"] .slip-card {
  background: var(--surface);
  border-color: var(--border);
  box-shadow: var(--shadow);
}

html[data-theme="light"] .slip-item.is-revealed {
  background: rgba(59, 130, 246, 0.12) !important;
  border-color: rgba(59, 130, 246, 0.5);
}

html[data-lang="ja"] .slip-item.is-revealed .slip-visual {
  height: 176px;
}

@media (max-width: 768px) {
  /* 모바일 커스텀 입력 2개씩 배치 */
  .input-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
  }

  .custom-input {
    font-size: 0.9rem;
  }

  .slip-grid {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 10px;
  }
  .value-row {
    grid-template-columns: repeat(2, 1fr);
  }
}