/* ============================================================
   system-comp.css — CHAART OS Design System
   문서 공통 B — Patterns/Brand History + Icon Registry + Component Explorer
   분리: 2026-03-26 (Élio Brandt)
   ============================================================ */

/* ══════════════════════════════════
   v3.0 — Doc Article · Phone Mockup
══════════════════════════════════ */
/* ── Doc Article Extensions ── */
.doc-crumbs {
  font-family: var(--mono);
  font-size: var(--text-xs);
  letter-spacing: var(--ls-wide);
  color: var(--text-muted);
  margin-bottom: 8px;
}
.doc-h1 {
  font-family: var(--sans);
  font-size: 36px;
  font-weight: 700;
  letter-spacing: var(--ls-tight);
  color: var(--text);
  margin: 0 0 12px;
}
.doc-h2 {
  font-family: var(--sans);
  font-size: var(--text-lg);
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
  padding-top: 32px;
  border-top: 1px solid var(--border);
}
.doc-section-desc {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--text-secondary);
  max-width: 640px;
  margin: 0 0 24px;
}
.doc-article {
  padding-bottom: 120px;
}
.doc-article section {
  margin-top: 48px;
}

/* ── Phone Mockup Frame ── */
.doc-app-mockup {
  position: relative;
  background: #f0f0f2;
  border-radius: 0;
  padding: 60px;
  display: flex;
  justify-content: center;
  overflow: hidden;
}
.phone-frame {
  width: 320px;
  height: 560px;
  background: var(--white);
  border-radius: 0;
  border: 8px solid #000;
  box-shadow: 0 40px 80px rgba(0,0,0,0.1); /* NOTE: box-shadow 내부, 0.1 토큰 없음 */
  overflow: hidden;
  position: relative;
  flex-shrink: 0;
}
.phone-notch {
  width: 120px;
  height: 28px;
  background: #000;
  border-radius: 0 0 16px 16px;
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
}
.phone-content {
  padding: 48px 24px 24px;
  height: 100%;
  overflow-y: auto;
  box-sizing: border-box;
}
.mock-header {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text);
}
.mock-item {
  padding: 12px 0;
  border-bottom: 1px solid #f0f0f0;
  font-size: var(--text-sm);
  color: var(--charcoal-hover);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mock-cta {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: #3182f6;
  color: var(--white);
  border: none;
  padding: 16px;
  border-radius: 0;
  font-weight: 600;
  font-size: var(--text-base);
  text-align: center;
}
/* ── Callout Guide System (precision targeting) ── */
.mock-callout-anchor {
  position: relative;
}
.mock-callout {
  position: absolute;
  top: 50%;
  left: calc(100% + 8px);
  transform: translateY(-50%);
  display: flex;
  align-items: center;
  gap: 0;
  pointer-events: none;
  z-index: 3;
}
.callout-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-round);
  background: #00d082;
  flex-shrink: 0;
  box-shadow: 0 0 0 3px rgba(0,208,130,0.2); /* NOTE: box-shadow 내부, 비브랜드 green */
}
.callout-line {
  width: 80px;
  height: 2px;
  background: linear-gradient(to right, #00d082, #00d082);
  flex-shrink: 0;
}
.callout-label {
  background: #00d082;
  color: var(--white);
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: var(--text-13);
  white-space: nowrap;
  letter-spacing: var(--ls-wide);
  box-shadow: 0 2px 12px rgba(0,208,130,0.3); /* NOTE: box-shadow 내부, 비브랜드 green */
}

/* ── v3.0 Dark Theme Overrides ── */
body[data-theme="charcoal"] .doc-app-mockup {
  background: var(--charcoal);
}
body[data-theme="charcoal"] .phone-frame {
  border-color: var(--charcoal-hover);
  background: #222;
}
body[data-theme="charcoal"] .phone-content { background: #222; }
body[data-theme="charcoal"] .mock-header { color: #eee; }
body[data-theme="charcoal"] .mock-item { color: #ccc; border-color: var(--charcoal-hover); }
body[data-theme="charcoal"] .mock-cta { background: #4a90d9; }
body[data-theme="charcoal"] .callout-dot { background: #00e88e; box-shadow: 0 0 0 3px rgba(0,232,142,0.25); } /* NOTE: box-shadow 내부, 비브랜드 green */
body[data-theme="charcoal"] .callout-line { background: #00e88e; }
body[data-theme="charcoal"] .callout-label { background: #00e88e; color: var(--text); box-shadow: 0 2px 12px rgba(0,232,142,0.35); } /* NOTE: box-shadow 내부, 비브랜드 green */
body[data-theme="charcoal"] .doc-h2 { border-color: var(--border); }

/* ── Patterns: Interactive Feature Showcase ── */
.pattern-feature-strip {
  --pattern-accent: var(--red-brand);
  max-width: var(--content-max);
  margin: 0 auto 72px;
  padding: 0 var(--content-px);
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 14px;
}
.pattern-feature-card {
  position: relative;
  border: 1px solid #2f3438;
  background: linear-gradient(180deg, #0f1214 0%, #151a1d 100%);
  color: #f7f8f9;
  padding: 18px 18px 16px;
  min-height: 240px;
  overflow: hidden;
}
.pattern-feature-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 18px;
  height: 4px;
  background: var(--pattern-accent);
  opacity: 0.92;
}
.pattern-feature-head {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-bottom: 12px;
}
.pattern-feature-kicker {
  font-family: var(--mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--ls-medium);
  text-transform: uppercase;
  color: #aeb5be;
}
.pattern-feature-title {
  font-family: "TASA Orbiter", var(--sans-en), var(--sans);
  font-size: 22px;
  line-height: 1.14;
  letter-spacing: var(--ls-tight);
  color: var(--white);
}
.pattern-mini-chart {
  width: 100%;
  height: 164px;
  display: block;
  border: 1px solid rgba(122,129,141,0.55); /* NOTE: 비브랜드 grey, 토큰 없음 */
  background:
    linear-gradient(180deg, rgba(0,0,0,0.2) 0%, rgba(0,0,0,0.05) 100%), /* NOTE: 다크 UI 배경, 토큰 없음 */
    repeating-linear-gradient(0deg, transparent 0 19px, rgba(120,128,140,0.25) 19px 20px); /* NOTE: 비브랜드 grey grid */
}
.pattern-feature-foot {
  margin-top: 10px;
  display: flex;
  align-items: baseline;
  gap: 8px;
}
.pattern-feature-stat {
  font-family: "TASA Orbiter", var(--sans-en), var(--sans);
  font-size: var(--text-lg);
  line-height: 1;
  letter-spacing: var(--ls-tight);
  color: #ffd2d2;
}
.pattern-feature-note {
  font-family: var(--mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: #9ca4ae;
}
.pattern-analyzer-list {
  list-style: none;
  padding: 0;
  margin: 0 0 14px;
  display: grid;
  gap: 6px;
}
.pattern-analyzer-item {
  font-size: var(--text-13);
  color: rgba(209,217,226,0.76); /* NOTE: 비브랜드 cool-grey, 토큰 없음 */
  line-height: 1.45;
  padding-left: 14px;
  position: relative;
  transition: color var(--dur-normal) var(--ease), transform var(--dur-normal) var(--ease);
}
.pattern-analyzer-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.64em;
  width: 7px;
  height: 2px;
  background: rgba(198,70,76,0.58); /* NOTE: near-red-brand 0.58 불일치, 토큰 없음 */
}
.pattern-analyzer-item.is-hot {
  color: #f7f8f9;
  transform: translateX(2px);
}
.pattern-analyzer-item.is-hot::before {
  background: #d14b52;
}
.pattern-analyzer-console {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  border: 1px solid rgba(198,70,76,0.72); /* NOTE: near-red-brand 0.72 불일치, 토큰 없음 */
  background: var(--alpha-70); /* NOTE: 다크 near-black, 토큰 없음 */
  padding: 0 10px;
  font-family: var(--mono);
  font-size: var(--text-11);
  letter-spacing: var(--ls-wide);
  color: #ffd2d2;
}
.pattern-analyzer-prefix {
  color: #d14b52;
}
.pattern-analyzer-caret {
  width: 8px;
  height: 14px;
  background: #d14b52;
  animation: patternBlink 1s steps(2, end) infinite;
}
.pattern-analyzer-status {
  margin-top: 8px;
  font-family: var(--mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: #9ca4ae;
}
.pattern-signal-stack {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}
.pattern-signal-row {
  display: grid;
  grid-template-columns: 62px 1fr 36px;
  align-items: center;
  gap: 8px;
}
.pattern-signal-label {
  font-family: var(--mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: #bcc4cd;
}
.pattern-signal-track {
  height: 8px;
  border: 1px solid rgba(122,129,141,0.56); /* NOTE: 비브랜드 grey, 토큰 없음 */
  background: var(--alpha-50); /* NOTE: 다크 near-black, 토큰 없음 */
  overflow: hidden;
}
.pattern-signal-fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, rgba(198,70,76,0.26) 0%, rgba(198,70,76,0.88) 100%); /* NOTE: near-red-brand gradient, 토큰 없음 */
  transition: width 0.6s var(--ease);
}
.pattern-signal-value {
  font-family: var(--mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  color: #ffd2d2;
  text-align: right;
}
@keyframes patternBlink {
  0%, 49% { opacity: 1; }
  50%, 100% { opacity: 0; }
}

@media (max-width: 980px) {
  .pattern-feature-strip {
    padding: 0 22px;
    grid-template-columns: 1fr;
    margin: 0 auto 56px;
  }
}
@media (max-width: 720px) {
  .pattern-feature-card {
    min-height: 0;
    padding: 16px 14px 14px;
  }
  .pattern-feature-title {
    font-size: 19px;
  }
  .pattern-mini-chart {
    height: 148px;
  }
}

body[data-theme="charcoal"] .pattern-feature-card {
  border-color: #33393e;
  background: linear-gradient(180deg, #0c1013 0%, #13181c 100%);
}
body[data-theme="charcoal"] .pattern-mini-chart {
  border-color: rgba(122,129,141,0.62); /* NOTE: 비브랜드 grey, 토큰 없음 */
}
body[data-theme="charcoal"] .pattern-analyzer-console {
  background: rgba(5,7,8,0.76); /* NOTE: 다크 near-black, 토큰 없음 */
}
body[data-theme="charcoal"] .pattern-feature-stat {
  color: #ffd8d8;
}

@media (prefers-reduced-motion: reduce) {
  .pattern-analyzer-caret {
    animation: none;
  }
  .pattern-signal-fill {
    transition: none;
  }
}

/* ══════════════════════════════════════════════════════════
   Component Search — Tag Filter Active State
   2026-02 Design System Upgrade — Sprint 0
   ══════════════════════════════════════════════════════════ */
.ch-pill-tag {
  cursor: pointer;
  transition:
    background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
}
.ch-pill-tag:hover {
  background: var(--alpha-8);
  color: var(--text);
}
.ch-pill-tag.is-active {
  background: var(--charcoal) !important;
  color: var(--bg) !important;
  border-color: var(--charcoal) !important;
}
.comp-empty-state {
  grid-column: 1 / -1;
}

/* ══════════════════════════════════════════════════════════
   State Matrix — 컴포넌트별 상태 시각화 그리드
   2026-02 Design System Upgrade — Sprint 1B
   ══════════════════════════════════════════════════════════ */
.doc-state-matrix {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: var(--space-4);
  padding: var(--space-6);
  background-color: var(--bg-secondary);
  background-image: radial-gradient(var(--alpha-6) 1px, transparent 1px);
  background-size: 16px 16px;
  border: 1px solid var(--border);
  margin-top: var(--space-4);
}
.doc-state-cell {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-3);
}
.doc-state-label {
  display: block;
  font-family: var(--mono);
  font-size: var(--text-2xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  color: var(--text-muted);
}
.doc-state-cell .doc-state-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  width: 100%;
}

/* State visual modifiers — applied to preview elements */
.show-hover .state-target {
  background-color: var(--state-hover-overlay) !important;
  box-shadow: inset 0 0 0 200px var(--state-hover-overlay);
}
.show-focus .state-target {
  box-shadow: var(--state-focus-ring) !important;
}
.show-active .state-target {
  background-color: var(--state-active-overlay) !important;
  box-shadow: inset 0 0 0 200px var(--state-active-overlay);
  transform: scale(0.98);
}
.show-disabled .state-target {
  opacity: var(--state-disabled-opacity) !important;
  pointer-events: none;
  cursor: not-allowed;
}
.show-loading .state-target {
  opacity: var(--state-loading-opacity) !important;
  position: relative;
}
.show-loading .state-target::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: 16px; height: 16px;
  margin: -8px 0 0 -8px;
  border: 2px solid var(--alpha-16);
  border-top-color: var(--red-brand);
  border-radius: var(--radius-round);
  animation: stateSpinner 0.6s linear infinite;
}
@keyframes stateSpinner {
  to { transform: rotate(360deg); }
}

/* ══════════════════════════════════════════════════════════
   Component Explorer Toolbar
   doc-preview-box 위에 자동 생성되는 인터랙티브 컨트롤
   2026-02 Design System Upgrade — Sprint 2
   ══════════════════════════════════════════════════════════ */
.explorer-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  padding: var(--space-2) var(--space-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-bottom: none;
  font-family: var(--mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  overflow-x: auto;
  scrollbar-width: none;
}
.explorer-toolbar::-webkit-scrollbar { display: none; }
.explorer-group {
  display: flex;
  align-items: center;
  gap: 2px;
}
.explorer-label {
  color: var(--text-caption);
  font-weight: 600;
  margin-right: var(--space-2);
  white-space: nowrap;
}
.explorer-btn {
  padding: 3px 8px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--text-muted);
  font-family: var(--mono);
  font-size: var(--text-2xs);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  cursor: pointer;
  transition:
    background var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease),
    border-color var(--dur-fast) var(--ease);
  white-space: nowrap;
}
.explorer-btn:hover {
  background: var(--alpha-4);
  color: var(--text);
}
.explorer-btn.is-active {
  background: var(--charcoal);
  color: var(--bg);
  border-color: var(--charcoal);
}

/* Explorer theme scoping — preview-box level */
[data-explorer][data-theme="charcoal"] {
  background: #0a0a0a !important;
  color: #F0F0F0;
  border-color: var(--border-on-dark);
}
[data-explorer][data-theme="paper"] {
  background: var(--paper) !important;
}

/* Explorer SIZE modifiers — override inline styles on .state-target
   !important 사용 근거: Explorer JS가 동적으로 inline style을 주입하여 CSS 클래스 선택자 우선순위 열위
   임시 허용 (임서진 승인 2026-03-27). 근본 해결: TECH-001 (state-target inline → CSS class 전환)
   적용 스코프: system-comp.css (문서 전용) — 프로덕션 토큰/스토리보드 코드 영향 없음 */
.size-xs .state-target { font-size: var(--text-2xs) !important; padding: 2px 6px !important; }
.size-sm .state-target { font-size: var(--text-11)  !important; padding: 2px 8px  !important; }
.size-md .state-target { font-size: var(--text-xs)  !important; padding: 4px 10px !important; }
.size-lg .state-target { font-size: var(--text-13)  !important; padding: 5px 12px !important; }
.size-xl .state-target { font-size: var(--text-sm)  !important; padding: 6px 14px !important; }

/* ── Size Scale (foundations.html) ── */
.ds-size-scale {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 32px;
}
.ds-size-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ds-size-label {
  font-family: var(--mono);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: var(--ls-medium);
  text-transform: uppercase;
  color: var(--text-muted);
  width: 28px;
  text-align: right;
  flex-shrink: 0;
}
.ds-size-bar {
  flex: 1;
  max-width: 480px;
  background: var(--alpha-4);
  border: 1px solid var(--alpha-8);
  display: flex;
  align-items: center;
  padding: 0 12px;
  transition: background var(--dur-fast) var(--ease);
}
.ds-size-bar:hover {
  background: var(--alpha-8);
}
.ds-size-bar--active {
  background: var(--red-brand-ghost);
  border-color: var(--red-brand);
}
.ds-size-bar-text {
  font-family: var(--mono);
  font-size: var(--text-2xs);
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
  white-space: nowrap;
}
.ds-size-bar--active .ds-size-bar-text {
  color: var(--red-brand);
  font-weight: 600;
}
.ds-size-token {
  font-family: var(--mono);
  font-size: var(--text-2xs);
  color: var(--text-caption);
  white-space: nowrap;
  flex-shrink: 0;
}

/* Size Table */
.ds-size-table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--text-sm);
  margin-bottom: 20px;
}
.ds-size-table th {
  font-family: var(--mono);
  font-size: var(--text-xs);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: var(--ls-wider);
  color: var(--text-muted);
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--alpha-12);
}
.ds-size-table th.num {
  text-align: right;
}
.ds-size-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--alpha-4);
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.ds-size-table td.num {
  text-align: right;
  font-family: var(--mono);
  font-size: var(--text-xs);
}
.ds-size-table td code {
  font-family: var(--mono);
  font-size: var(--text-xs);
  background: var(--alpha-4);
  padding: 2px 6px;
}
.ds-size-table-active {
  background: var(--red-brand-ghost);
}
.ds-size-table-active td {
  font-weight: 600;
}

/* Size Note */
.ds-size-note {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 12px 16px;
  background: var(--alpha-4);
  border-left: 2px solid var(--red-brand);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  line-height: 1.6;
}
.ds-size-note svg {
  flex-shrink: 0;
  margin-top: 2px;
  color: var(--red-brand);
}

/* ── Breakpoints (foundations.html) ── */
.ds-bp-chart {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 32px;
}
.ds-bp-row {
  display: flex;
  align-items: center;
  gap: 12px;
}
.ds-bp-label {
  font-family: var(--mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-muted);
  width: 64px;
  text-align: right;
  flex-shrink: 0;
}
.ds-bp-bar {
  height: 28px;
  background: var(--alpha-4);
  border: 1px solid var(--alpha-8);
  display: flex;
  align-items: center;
  justify-content: flex-end;
  padding: 0 8px;
  min-width: 80px;
  transition: background var(--dur-fast) var(--ease);
}
.ds-bp-bar:hover {
  background: var(--alpha-8);
}
.ds-bp-bar--wide {
  background: var(--red-brand-ghost);
  border-color: var(--red-brand);
}
.ds-bp-val {
  font-family: var(--mono);
  font-size: var(--text-2xs);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  color: var(--text-secondary);
  white-space: nowrap;
}
.ds-bp-bar--wide .ds-bp-val {
  color: var(--red-brand);
}
.ds-bp-desc {
  font-size: var(--text-sm);
  color: var(--text-caption);
  flex-shrink: 0;
}

/* Breakpoint Grid Diagram */
.ds-bp-grid-diagram {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  margin-top: 8px;
}
.ds-bp-grid-cell {
  text-align: center;
}
.ds-bp-grid-cols {
  display: grid;
  gap: 4px;
  margin-bottom: 8px;
}
.ds-bp-col {
  height: 40px;
  background: var(--alpha-6);
  border: 1px solid var(--alpha-8);
}
.ds-bp-grid-label {
  font-family: var(--mono);
  font-size: var(--text-2xs);
  color: var(--text-caption);
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
}

@media (max-width: 768px) {
  .ds-bp-grid-diagram {
    grid-template-columns: repeat(2, 1fr);
  }
  .ds-bp-desc {
    display: none;
  }
  .ds-size-bar {
    max-width: 240px;
  }
  .ds-size-token {
    display: none;
  }
}

/* ── prefers-reduced-motion ── */
@media (prefers-reduced-motion: reduce) {
  .rm-node {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .rm-line {
    transition: none;
  }
  .rm-popup {
    transition: none;
  }
  .rm-node--current {
    animation: none;
  }
}


/* ── DS Preview Color Classes (Cassandra B-1, 2026-03-27) ── */
/* 1. 브랜드 강조 — badge-red, CTA, 활성 상태 */
.ds-preview-brand {
  background: var(--red-brand);
  color: var(--white);
}
/* 2. 서피스 — 카드, 패널, 컨테이너 배경 */
.ds-preview-surface {
  background: var(--bg-card);
  border: 1px solid var(--border);
}
/* 3. 뮤트 — 비활성, placeholder, 보조 영역 */
.ds-preview-muted {
  background: var(--alpha-8);
  color: var(--text-secondary);
}
/* 4. 코드 블록 — 스니펫 배경 */
.ds-preview-code {
  background: var(--bg-code);
  font-family: var(--mono);
  font-size: var(--text-13);
  color: var(--text);
}
/* 5a. 성공 상태 프리뷰 */
.ds-preview-success {
  background: var(--badge-success-bg);
  color: var(--badge-success-text);
}
/* 5b. 위험 상태 프리뷰 */
.ds-preview-danger {
  background: var(--color-danger-bg);
  color: var(--color-danger);
}