/* ============================================
   Tarot — Styles
   ============================================ */

:root {
  --text: #494953;
  --text-muted: rgba(73, 73, 83, 0.6);
  --text-faint: rgba(73, 73, 83, 0.12);
  --bg: #EDF2F6;
  --surface: #FFFFFF;
  --accent: #6A7EFC;
  --accent-soft: rgba(106, 126, 252, 0.1);
  --shadow-sm: 0 1px 2px rgba(73, 73, 83, 0.04);
  --shadow-md: 0 4px 24px rgba(73, 73, 83, 0.08);
  --shadow-lg: 0 8px 32px rgba(106, 126, 252, 0.18);
  --radius: 12px;
  --radius-lg: 16px;
  --easing: cubic-bezier(0.2, 0.8, 0.2, 1);
}

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

html,
body {
  height: 100%;
}

body {
  font-family: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont,
    'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button {
  font-family: inherit;
}

/* ============================================
   Layout
   ============================================ */

main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
}

.header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.header__title {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.025em;
  margin-bottom: 0.5rem;
}

.header__subtitle {
  font-size: 0.95rem;
  color: var(--text-muted);
  font-weight: 400;
}

/* ============================================
   Options Panel
   ============================================ */

.options {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.25rem 1.75rem;
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
}

.option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.option__label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.option__input {
  width: 72px;
  padding: 0.5rem 0.75rem;
  border: 1px solid var(--text-faint);
  border-radius: 8px;
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: var(--bg);
  text-align: center;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.option__input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* Segmented radio */
.segmented {
  display: flex;
  gap: 0.25rem;
  background: var(--bg);
  border-radius: 10px;
  padding: 0.25rem;
}

.segmented input[type='radio'] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.segmented label {
  cursor: pointer;
  padding: 0.45rem 1rem;
  border-radius: 7px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-muted);
  transition: color 0.2s ease, background 0.2s ease, box-shadow 0.2s ease;
}

.segmented label:has(input:checked) {
  background: var(--surface);
  color: var(--accent);
  box-shadow: var(--shadow-sm);
}

/* ============================================
   Primary Button
   ============================================ */

.actions {
  text-align: center;
  margin-bottom: 3rem;
}

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 0.85rem 2.5rem;
  border-radius: 999px;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: transform 0.2s var(--easing), box-shadow 0.2s var(--easing);
}

.btn:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-lg);
}

.btn:active {
  transform: translateY(0);
}

.btn:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px var(--accent-soft), var(--shadow-lg);
}

/* ============================================
   Card Grid
   ============================================ */

.result {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  animation: cardEnter 0.55s var(--easing) backwards;
}

@keyframes cardEnter {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card__image-wrap {
  position: relative;
  aspect-ratio: 1 / 1.7;
  overflow: hidden;
  background: var(--bg);
}

.card__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: filter 0.4s ease;
}

.card__image--reversed {
  transform: rotate(180deg);
}

/* Hover meaning overlay */
.card__meaning {
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.78);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.15rem;
  padding: 1rem;
  opacity: 0;
  transition: opacity 0.35s ease;
  pointer-events: none;
}

.card__image-wrap:hover .card__image,
.card__image-wrap:focus-within .card__image {
  filter: blur(5px);
}

.card__image-wrap:hover .card__meaning,
.card__image-wrap:focus-within .card__meaning {
  opacity: 1;
}

/* 스프레드 모드의 작은 카드는 오버레이 여백을 줄임 (호버 확대로 가독성 확보) */
.result--spread .card__meaning {
  padding: 0.3rem;
  gap: 0.05rem;
}

.card__keyword {
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text);
  text-align: center;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
  transition-delay: calc(var(--i, 0) * 0.06s + 0.08s);
}

.card__image-wrap:hover .card__keyword,
.card__image-wrap:focus-within .card__keyword {
  opacity: 1;
  transform: translateY(0);
}

/* Card info below image */
.card__info {
  padding: 0.85rem 0.75rem 1rem;
  text-align: center;
}

.card__arcana {
  display: inline-block;
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 0.1rem 0.55rem;
  border-radius: 999px;
  margin-bottom: 0.4rem;
  line-height: 1.4;
}

.card__arcana--major {
  background: var(--accent-soft);
  color: var(--accent);
}

.card__arcana--minor {
  background: var(--bg);
  color: var(--text-muted);
  border: 1px solid var(--text-faint);
}

.card__name {
  font-size: 0.9rem;
  font-weight: 600;
  margin-bottom: 0.2rem;
  letter-spacing: -0.01em;
}

.card__direction {
  font-size: 0.75rem;
  color: var(--text-muted);
}

.card__direction--reversed {
  color: var(--accent);
}

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 480px) {
  main {
    padding: 2.5rem 1rem 4rem;
  }

  .options {
    padding: 1rem 1.25rem;
    gap: 1.25rem;
  }

  .result {
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1rem;
  }

  .card__keyword {
    font-size: 0.85rem;
  }
}

/* ============================================
   Checkbox (Spread Toggle)
   ============================================ */

.checkbox {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  cursor: pointer;
  user-select: none;
}

.checkbox input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.checkbox__box {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--text-faint);
  border-radius: 5px;
  background: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.checkbox__box::after {
  content: '';
  width: 5px;
  height: 9px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) translate(-1px, -1px);
  opacity: 0;
  transition: opacity 0.15s ease;
}

.checkbox input:checked + .checkbox__box {
  background: var(--accent);
  border-color: var(--accent);
}

.checkbox input:checked + .checkbox__box::after {
  opacity: 1;
}

.checkbox input:focus-visible + .checkbox__box {
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.checkbox__label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

/* ============================================
   Spread Editor
   ============================================ */

.spread-editor {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-md);
  animation: fadeIn 0.3s var(--easing);
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.spread-editor__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.85rem;
  padding: 0 0.25rem;
}

.spread-editor__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: none;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  padding: 0.25rem 0.25rem;
  border-radius: 6px;
  transition: color 0.2s ease;
}

.spread-editor__toggle:hover {
  color: var(--accent);
}

.spread-editor__caret {
  font-size: 0.7rem;
  transition: transform 0.25s var(--easing);
}

.spread-editor.collapsed .spread-editor__caret {
  transform: rotate(-90deg);
}

.spread-editor.collapsed .spread-editor__body {
  display: none;
}

.spread-editor__reset {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 0.8rem;
  cursor: pointer;
  padding: 0.25rem 0.5rem;
  border-radius: 6px;
  transition: color 0.2s ease, background 0.2s ease;
}

.spread-editor__reset:hover {
  color: var(--accent);
  background: var(--accent-soft);
}

.spread-editor__shortcuts {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin: 0 0 0.85rem;
  letter-spacing: -0.005em;
}

.spread-editor__shortcuts kbd {
  display: inline-block;
  background: var(--bg);
  border: 1px solid var(--text-faint);
  border-bottom-width: 2px;
  border-radius: 4px;
  padding: 0.05rem 0.4rem;
  margin: 0 0.1rem;
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--text);
  line-height: 1.3;
}

/* ---- Quick-action toolbar ---- */

.spread-editor__toolbar {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
  margin-bottom: 0.85rem;
}

.qa-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  background: var(--bg);
  border: 1px solid var(--text-faint);
  border-radius: 8px;
  padding: 0.4rem 0.8rem;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease,
    transform 0.1s ease;
  line-height: 1.2;
}

.qa-btn:hover:not(:disabled) {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}

.qa-btn:active:not(:disabled) {
  transform: translateY(1px);
}

.qa-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.qa-btn.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  box-shadow: 0 2px 6px rgba(106, 126, 252, 0.25);
}

.qa-btn__icon {
  font-size: 0.95em;
  line-height: 1;
}

.qa-divider {
  width: 1px;
  height: 18px;
  background: var(--text-faint);
  margin: 0 0.15rem;
}

/* ---- 다중 선택 모드: 마커도 십자 커서, 핸들 숨김 ---- */

.spread-editor.multi-select .spread-editor__mat {
  cursor: crosshair;
}

.spread-editor.multi-select .spread-marker {
  cursor: crosshair;
}

.spread-editor.multi-select .spread-marker__handle {
  display: none;
}

.spread-editor__mat {
  position: relative;
  background-color: var(--bg);
  background-image: linear-gradient(
      to right,
      rgba(73, 73, 83, 0.08) 1px,
      transparent 1px
    ),
    linear-gradient(to bottom, rgba(73, 73, 83, 0.08) 1px, transparent 1px);
  background-size: 36px 36px;
  background-position: 0 0;
  border: 1.5px dashed var(--text-faint);
  border-radius: var(--radius);
  aspect-ratio: 1 / 1;
  overflow: hidden;
  cursor: crosshair;
  touch-action: none;
}

.spread-marker {
  position: absolute;
  width: var(--card-w, 56px);
  height: calc(var(--card-w, 56px) * 1.7);
  margin-left: calc(var(--card-w, 56px) / -2);
  margin-top: calc(var(--card-w, 56px) * -0.85);
  border: 2px dashed var(--accent);
  background: var(--accent-soft);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent);
  font-size: calc(var(--card-w, 56px) * 0.42);
  font-weight: 700;
  cursor: grab;
  user-select: none;
  touch-action: none;
  rotate: var(--rot, 0deg);
  scale: var(--scale, 1);
  transition: transform 0.15s ease, box-shadow 0.15s ease,
    background 0.15s ease, outline-color 0.15s ease, rotate 0.18s ease;
  outline: 2px solid transparent;
  outline-offset: 3px;
}

.spread-marker:hover {
  transform: scale(1.05);
  background: rgba(106, 126, 252, 0.18);
}

.spread-marker:focus {
  outline: none; /* Replaced by .selected styling */
}

.spread-marker.selected {
  outline-color: var(--accent);
  background: rgba(106, 126, 252, 0.2);
}

.spread-marker.dragging {
  cursor: grabbing;
  transform: scale(1.08);
  box-shadow: 0 8px 24px rgba(106, 126, 252, 0.35);
  z-index: 100;
}

.spread-marker__dir {
  position: absolute;
  bottom: 4px;
  right: 5px;
  font-size: calc(var(--card-w, 56px) * 0.28);
  font-weight: 700;
  line-height: 1;
  opacity: 0;
  transition: opacity 0.15s ease;
}

.spread-marker.reversed .spread-marker__dir {
  opacity: 1;
}

.spread-marker.reversed {
  border-style: solid;
}

/* 크기 조정 핸들: 선택된 마커의 우하단 모서리에만 표시 */
.spread-marker__handle {
  position: absolute;
  right: -7px;
  bottom: -7px;
  width: 14px;
  height: 14px;
  background: var(--accent);
  border: 2px solid #fff;
  border-radius: 50%;
  cursor: nwse-resize;
  touch-action: none;
  opacity: 0;
  transition: opacity 0.15s ease;
  pointer-events: none;
  box-shadow: 0 2px 6px rgba(73, 73, 83, 0.25);
}

.spread-marker.selected .spread-marker__handle {
  opacity: 1;
  pointer-events: auto;
}

/* Ctrl+T 키보드 크기 조정 모드: 선택 외곽선을 강조 */
.spread-marker.resize-mode {
  outline-color: var(--accent);
  outline-style: dashed;
  outline-width: 3px;
}

/* 영역 선택 박스 */
.selection-rect {
  position: absolute;
  background: rgba(106, 126, 252, 0.12);
  border: 1.5px solid var(--accent);
  border-radius: 3px;
  pointer-events: none;
  z-index: 1;
}

.selection-rect[hidden] {
  display: none;
}

/* ============================================
   Result — Spread Mode
   ============================================ */

.result--spread {
  display: block;
  position: relative;
  overflow: visible;
  border-radius: var(--radius);
  margin: 0 auto;
}

.result--spread .card {
  position: absolute;
  width: var(--card-w, 56px);
  margin-left: calc(var(--card-w, 56px) / -2);
  margin-top: calc(var(--card-w, 56px) * -0.85);
  rotate: var(--rot, 0deg);
  scale: var(--scale, 1);
  animation: spreadCardEnter 0.55s var(--easing) backwards;
  transition: transform 0.2s var(--easing), box-shadow 0.2s var(--easing),
    rotate 0.2s var(--easing);
}

/* 작은 카드는 호버 시 확대해 내용을 읽을 수 있게 */
.result--spread .card:hover,
.result--spread .card:focus-within {
  transform: scale(var(--hover-scale, 1.7));
  box-shadow: 0 12px 32px rgba(73, 73, 83, 0.25);
  z-index: 50;
}

/* 스프레드 모드: 이미지 위에 항상 표시되는 이름/방향 라벨 */
.card__label {
  display: none;
}

.result--spread .card__label {
  display: block;
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2;
  background: rgba(255, 255, 255, 0.88);
  padding: 0.3em 0.25em;
  text-align: center;
  line-height: 1.15;
}

.result--spread .card__label-name {
  display: block;
  font-size: clamp(0.4rem, calc(var(--card-w, 56px) * 0.155), 1rem);
  font-weight: 700;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result--spread .card__label-dir {
  display: block;
  margin-top: 0.1em;
  font-size: clamp(0.34rem, calc(var(--card-w, 56px) * 0.13), 0.8rem);
  font-weight: 500;
  color: var(--text-muted);
}

.result--spread .card__label-dir--rev {
  color: var(--accent);
}

/* 호버 시 키워드 오버레이가 라벨 위를 덮음 */
.result--spread .card__meaning {
  z-index: 3;
}

.result--spread .card__keyword {
  font-size: clamp(0.42rem, calc(var(--card-w, 56px) * 0.15), 1rem);
}

@keyframes spreadCardEnter {
  from {
    opacity: 0;
    transform: scale(0.85);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ============================================
   Footer
   ============================================ */

.footer {
  text-align: center;
  margin-top: 4rem;
  font-size: 0.78rem;
  color: var(--text-muted);
}

.footer a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--text-faint);
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer a:hover {
  color: var(--accent);
  border-color: var(--accent);
}