/*
  화보 컨셉 자동화 도구. 스타일시트.
  D:\claudecode\photo-concept-lab\md\DESIGN.md (확정본)의 수치를 그대로 옮긴다.
  섹션 번호는 DESIGN.md 목차와 맞춰 주석으로 표시했다.
*/

/* ---------------------------------------------------------------------- */
/* 6. 디자인 토큰 */
/* ---------------------------------------------------------------------- */

:root {
  /* 색상 */
  --color-surface: #FFFFFF;
  --color-topbar: #FBF9F4;
  --color-result-bg: #F7F4ED;
  --color-input-bg: #F0EAE0;

  --color-ink: #1E1B18;
  --color-ink-muted: #6B655C;
  --color-ink-faint: #A39C8E;

  --color-accent: #C1442A;
  --color-accent-hover: #A93A24;
  --color-accent-active: #8F311E;
  --color-accent-tint: rgba(193, 68, 42, 0.10);

  --color-error: #B3261E;

  --color-border-strong: rgba(30, 27, 24, 0.16);
  --color-border-soft: rgba(30, 27, 24, 0.08);
  --color-border-dashed: rgba(30, 27, 24, 0.24);

  --color-dot-naver: #4E6E8C;
  --color-dot-curated: #5F7A52;
  --color-dot-similarity: #8C6A3E;

  /* 간격 */
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-7: 32px;
  --space-8: 48px;
  --space-9: 64px;

  /* 라운드 */
  --radius-sm: 2px;
  --radius-md: 6px;

  /* 타이포 */
  --font-ui: 'Pretendard Variable', Pretendard, -apple-system, BlinkMacSystemFont, system-ui, Roboto, 'Malgun Gothic', sans-serif;
  --font-mono: 'JetBrains Mono', 'IBM Plex Mono', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------------------------------------------------------------------- */
/* 0. 리셋 & 베이스 */
/* ---------------------------------------------------------------------- */

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

html, body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--color-result-bg);
  color: var(--color-ink);
  font-family: var(--font-ui);
  font-size: 13px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

button, input, textarea {
  font-family: inherit;
  color: inherit;
}

button {
  font-size: inherit;
}

img {
  display: block;
  max-width: 100%;
}

svg {
  display: block;
}

a {
  color: inherit;
}

/* ---------------------------------------------------------------------- */
/* 3-1. 전체 구조: 상단바 */
/* ---------------------------------------------------------------------- */

.topbar {
  height: 56px;
  width: 100%;
  background: var(--color-topbar);
  border-bottom: 1px solid var(--color-border-soft);
  position: sticky;
  top: 0;
  z-index: 50;
}

.topbar-inner {
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 var(--space-4);
}

@media (min-width: 1024px) {
  .topbar-inner {
    padding: 0 var(--space-6);
  }
}

.wordmark {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 13px;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--color-ink);
}

/* ---------------------------------------------------------------------- */
/* 3-1. 전체 구조: 좌우 2단 */
/* ---------------------------------------------------------------------- */

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

.input-column {
  background: var(--color-input-bg);
  padding: var(--space-4);
}

.result-column {
  background: var(--color-result-bg);
  padding: var(--space-4);
  min-width: 0;
}

@media (min-width: 1024px) {
  .layout {
    flex-direction: row;
    align-items: flex-start;
  }

  .input-column {
    width: 320px;
    flex-shrink: 0;
    position: sticky;
    top: 56px;
    height: calc(100vh - 56px);
    overflow-y: auto;
    padding: var(--space-6);
    border-right: 1px solid var(--color-border-strong);
  }

  .result-column {
    flex: 1;
    padding: var(--space-6);
    height: calc(100vh - 56px);
    overflow-y: auto;
  }
}

@media (min-width: 1440px) {
  .input-column {
    width: 360px;
  }
}

/* ---------------------------------------------------------------------- */
/* 3-2/3-3 간격.라운드는 위 토큰을 각 컴포넌트에서 사용 */
/* 입력 컬럼: 필드 그룹 */
/* ---------------------------------------------------------------------- */

#concept-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-6);
}

.field-label {
  display: block;
  font-size: 13px;
  font-weight: 500;
  color: var(--color-ink);
  margin-bottom: var(--space-2);
}

.field-caption {
  font-size: 11px;
  font-weight: 400;
  line-height: 1.4;
  color: var(--color-ink-muted);
  margin: var(--space-2) 0 0;
}

.field-caption.is-error {
  color: var(--color-error);
}

.field-actions {
  display: flex;
  gap: var(--space-3);
}

/* ---------------------------------------------------------------------- */
/* 4-1. 버튼, 기본(Primary) */
/* ---------------------------------------------------------------------- */

.btn {
  height: 44px;
  padding: 0 var(--space-5);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background-color 150ms ease, border-color 150ms ease, color 150ms ease;
}

.btn-primary {
  background: var(--color-accent);
  color: #FFFFFF;
  border: none;
}

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

.btn-primary:active:not(:disabled) {
  background: var(--color-accent-active);
}

.btn-primary:disabled {
  background: rgba(30, 27, 24, 0.12);
  color: rgba(30, 27, 24, 0.35);
  cursor: not-allowed;
}

.btn-primary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(193, 68, 42, 0.25);
}

/* ---------------------------------------------------------------------- */
/* 4-2. 버튼, 보조(Secondary) */
/* ---------------------------------------------------------------------- */

.btn-secondary {
  padding: 0 var(--space-4);
  background: transparent;
  border: 1px solid var(--color-border-strong);
  color: var(--color-ink);
}

.btn-secondary:hover {
  background: rgba(30, 27, 24, 0.04);
}

.btn-secondary:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(193, 68, 42, 0.25);
}

/* ---------------------------------------------------------------------- */
/* 4-3. 버튼, 복사 */
/* ---------------------------------------------------------------------- */

.btn-copy {
  height: 28px;
  padding: 0 10px;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 11px;
  color: var(--color-ink);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  cursor: pointer;
  transition: color 150ms ease, border-color 150ms ease;
}

.btn-copy:disabled {
  color: rgba(30, 27, 24, 0.35);
  cursor: not-allowed;
}

.btn-copy.is-copied {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

/* ---------------------------------------------------------------------- */
/* 4-4. 인풋(텍스트, URL), 텍스트영역 */
/* ---------------------------------------------------------------------- */

.text-input,
.textarea-input {
  width: 100%;
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  font-size: 13px;
  font-weight: 400;
  color: var(--color-ink);
}

.text-input {
  height: 40px;
  padding: 0 var(--space-3);
}

.textarea-input {
  min-height: 88px;
  padding: var(--space-3) var(--space-4);
  line-height: 1.6;
  resize: vertical;
}

.text-input::placeholder,
.textarea-input::placeholder {
  color: var(--color-ink-faint);
}

.text-input:focus,
.textarea-input:focus {
  outline: none;
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(193, 68, 42, 0.15);
}

.text-input.has-error {
  border-color: var(--color-error);
}

/* ---------------------------------------------------------------------- */
/* 4-5. 업로드 필드 */
/* ---------------------------------------------------------------------- */

.upload-tiles {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.upload-tile {
  position: relative;
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-soft);
  overflow: hidden;
  flex-shrink: 0;
}

.upload-tile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.upload-tile-scrim {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: opacity 120ms ease;
  display: flex;
  align-items: flex-start;
  justify-content: flex-end;
}

.upload-tile:hover .upload-tile-scrim {
  opacity: 1;
}

.upload-tile-remove {
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: none;
  padding: 0;
  cursor: pointer;
}

.upload-tile-add {
  width: 72px;
  height: 72px;
  border-radius: var(--radius-sm);
  background: transparent;
  border: 1px dashed var(--color-border-dashed);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2px;
  color: var(--color-ink);
  cursor: pointer;
  flex-shrink: 0;
  transition: border-color 120ms ease;
}

.upload-tile-add.is-drag-over {
  border-color: rgba(193, 68, 42, 0.5);
}

.upload-tile-add-caption {
  font-size: 11px;
  color: var(--color-ink);
}

/* ---------------------------------------------------------------------- */
/* 4-6. 촬영장소 URL, 링크 칩 전환 */
/* ---------------------------------------------------------------------- */

.link-chip {
  height: 40px;
  padding: 0 var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  gap: var(--space-2);
  cursor: pointer;
}

.link-chip-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  color: var(--color-ink-muted);
}

.link-chip-domain {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-muted);
}

.link-chip-path {
  flex: 1;
  min-width: 0;
  font-size: 13px;
  font-weight: 400;
  color: var(--color-ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.link-chip-change {
  flex-shrink: 0;
  background: none;
  border: none;
  padding: 0;
  font-size: 11px;
  font-weight: 400;
  color: var(--color-ink-muted);
  cursor: pointer;
}

.link-chip-change:hover {
  text-decoration: underline;
}

/* ---------------------------------------------------------------------- */
/* 결과 컬럼: 섹션 공통 */
/* ---------------------------------------------------------------------- */

.result-column > * + * {
  margin-top: var(--space-7);
}

.section-heading {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
  margin: 0 0 var(--space-4);
}

.empty-note {
  font-size: 11px;
  font-weight: 400;
  color: var(--color-ink-faint);
  margin: 0;
}

/* ---------------------------------------------------------------------- */
/* 4-7. 진행 상태 표시 */
/* ---------------------------------------------------------------------- */

.progress-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
}

.progress-step {
  padding-bottom: var(--space-2);
}

.progress-step-row {
  height: 32px;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.progress-icon {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.progress-label {
  font-size: 13px;
}

.progress-log {
  display: block;
  margin-left: 24px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-muted);
  min-height: 1px;
}

.progress-log.is-error {
  color: var(--color-error);
}

/* pending */
.progress-step[data-state="pending"] .progress-icon {
  border: 1.5px solid rgba(30, 27, 24, 0.24);
  background: transparent;
}

.progress-step[data-state="pending"] .progress-label {
  color: var(--color-ink-faint);
  font-weight: 400;
}

/* active */
.progress-step[data-state="active"] .progress-icon {
  border: 1.5px solid var(--color-accent);
  background: transparent;
}

.progress-step[data-state="active"] .progress-icon::after {
  content: "";
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-accent);
  animation: pc-pulse 1.2s ease-in-out infinite;
}

.progress-step[data-state="active"] .progress-label {
  color: var(--color-ink);
  font-weight: 500;
}

/* done */
.progress-step[data-state="done"] .progress-icon {
  border: none;
  background: var(--color-ink);
}

.progress-step[data-state="done"] .progress-label {
  color: var(--color-ink);
  font-weight: 400;
}

@keyframes pc-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 1; }
}

/* ---------------------------------------------------------------------- */
/* 4-8. 키워드 칩 */
/* ---------------------------------------------------------------------- */

.keyword-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.keyword-chip {
  height: 24px;
  padding: 0 10px;
  background: rgba(30, 27, 24, 0.04);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 12px;
  color: var(--color-ink);
  letter-spacing: 0.01em;
  display: inline-flex;
  align-items: center;
}

/* ---------------------------------------------------------------------- */
/* 4-9. 검색 결과 그룹, 콘택트시트형 그리드 */
/* ---------------------------------------------------------------------- */

.search-group {
  border-top: 1px solid var(--color-border-soft);
  padding-top: var(--space-5);
}

.search-group-header {
  height: 28px;
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.group-dot {
  flex-shrink: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
}

.dot-naver { background: var(--color-dot-naver); }
.dot-curated { background: var(--color-dot-curated); }
.dot-similarity { background: var(--color-dot-similarity); }

.group-name {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
}

.group-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-muted);
}

.group-scope {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-ink-muted);
  text-align: right;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.results-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 4px;
}

@media (min-width: 768px) {
  .results-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (min-width: 1024px) {
  .results-grid {
    grid-template-columns: repeat(5, 1fr);
  }
}

@media (min-width: 1440px) {
  .results-grid {
    grid-template-columns: repeat(6, 1fr);
  }
}

.result-thumb {
  position: relative;
  display: block;
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  border: 1px solid var(--color-border-soft);
  overflow: hidden;
  background: var(--color-surface);
}

.result-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: box-shadow 120ms ease;
}

.result-thumb:hover img {
  box-shadow: 0 2px 6px rgba(30, 27, 24, 0.12);
}

.result-thumb-scrim {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 28px;
  background: rgba(30, 27, 24, 0.82);
  opacity: 0;
  transition: opacity 120ms ease;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-2);
  gap: var(--space-1);
}

.result-thumb:hover .result-thumb-scrim {
  opacity: 1;
}

.result-thumb-domain {
  font-family: var(--font-mono);
  font-size: 11px;
  color: #FFFFFF;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.result-thumb-icon {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  color: #FFFFFF;
}

.skeleton-tile {
  aspect-ratio: 1 / 1;
  border-radius: var(--radius-sm);
  background: rgba(30, 27, 24, 0.05);
  animation: pc-skeleton 2.4s ease-in-out infinite;
}

@keyframes pc-skeleton {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.grid-message {
  grid-column: 1 / -1;
  padding: var(--space-3) 0;
  font-size: 11px;
  color: var(--color-ink-faint);
}

.grid-message.is-error {
  color: var(--color-error);
}

/* ---------------------------------------------------------------------- */
/* 4-10. 최종 결과 텍스트 블록 */
/* ---------------------------------------------------------------------- */

.concept-block {
  max-width: 680px;
  background: var(--color-surface);
  border: 1px solid rgba(30, 27, 24, 0.12);
  border-radius: var(--radius-md);
  padding: var(--space-8);
}

.concept-block-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-4);
}

.concept-block-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-ink);
}

.concept-body {
  font-size: 14px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--color-ink);
}

.concept-body p {
  margin: 0 0 var(--space-4);
}

.concept-body p:last-child {
  margin-bottom: 0;
}

.concept-subtitle {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-ink);
  margin: var(--space-5) 0 var(--space-2);
}

.concept-body > .concept-subtitle:first-child {
  margin-top: 0;
}

.concept-list {
  margin: 0 0 var(--space-4);
  padding-left: var(--space-5);
}

.concept-list li {
  margin-bottom: var(--space-1);
}

/* ---------------------------------------------------------------------- */
/* 4-11. 아이콘 */
/* ---------------------------------------------------------------------- */

.icon {
  stroke: currentColor;
  stroke-width: 1.5;
  fill: none;
}