/* =========================================================================
   REACTIONS TO A SHUTDOWN — style.css
   다크테크 / 터미널 미학. design-system.md 토큰 준수.
   갤러리월(메이슨리) 중심 + form별 카드 차별화.
   ========================================================================= */

:root {
  /* 배경 */
  --bg-0: #0a0e12;
  --bg-1: #11161c;
  --bg-2: #1a212a;
  --border: #232c36;
  --border-bright: #2f3a47;

  /* 텍스트 */
  --fg-0: #e6edf3;
  --fg-1: #9aa7b4;
  --fg-2: #5c6b7a;

  /* 액센트 */
  --accent: #3ad07a;
  --accent-dim: #1f8a4c;
  --cyan: #38bdf8;
  --amber: #f0b429;

  /* 신뢰도 등급 */
  --grade-high: #3ad07a;
  --grade-medium: #f0b429;
  --grade-low: #e8833a;
  --grade-false: #ef4444;
  --grade-unverified: #6b7785;
  --grade-caution: #d4546a;

  /* 감성 */
  --sent-positive: #6bd49a;
  --sent-neutral: #6b7785;
  --sent-negative: #e8833a;
  --sent-mixed: #b07ae8;

  /* 채널 색 (IA 4절: HN=앰버 / social=시안 / korean=그린) */
  --chan-HN: #f0b429;
  --chan-social: #38bdf8;
  --chan-korean: #3ad07a;

  /* 폰트 — 시스템 폴백 우선(오프라인 동작), CDN 없음 */
  --mono: 'JetBrains Mono', 'SF Mono', 'Menlo', 'Consolas', ui-monospace, monospace;
  --sans: 'Inter', system-ui, -apple-system, 'Segoe UI', sans-serif;

  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg-0);
  color: var(--fg-0);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

/* ---- 배경 레이어: 미세 그리드 + 스캔라인 ---- */
.bg-grid {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(58, 208, 122, 0.022) 1px, transparent 1px),
    linear-gradient(90deg, rgba(58, 208, 122, 0.022) 1px, transparent 1px);
  background-size: 44px 44px;
}
.bg-scan {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    to bottom,
    rgba(255, 255, 255, 0.014) 0,
    rgba(255, 255, 255, 0.014) 1px,
    transparent 1px,
    transparent 3px
  );
  mix-blend-mode: overlay;
}

main, .site-nav, .site-footer { position: relative; z-index: 1; }

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 포커스 링 — design-system: --cyan */
:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: 3px;
}

/* =========================================================================
   상단 nav
   ========================================================================= */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 12px clamp(16px, 4vw, 40px);
  background: rgba(10, 14, 18, 0.86);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  font-family: var(--mono);
}
.nav-brand {
  color: var(--accent);
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 2px;
}
.nav-brand:hover { text-decoration: none; }
.nav-cursor {
  color: var(--accent);
  animation: blink 1.05s steps(1) infinite;
}
.site-nav nav { display: flex; gap: 18px; }
.site-nav nav a {
  color: var(--fg-1);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
}
.site-nav nav a:hover { color: var(--accent); text-decoration: none; }

@keyframes blink { 0%, 50% { opacity: 1; } 51%, 100% { opacity: 0; } }

/* =========================================================================
   HERO / BOOT
   ========================================================================= */
.hero {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(48px, 9vw, 96px) clamp(16px, 4vw, 40px) clamp(32px, 5vw, 52px);
}
.boot-log {
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.85;
  color: var(--accent);
  margin: 0 0 26px;
  white-space: pre-wrap;
  min-height: 9.5em; /* 타이핑 중 레이아웃 점프 방지 */
}
.boot-log .boot-line { display: block; }
.boot-log .boot-ok { color: var(--cyan); }
.boot-log .boot-zero { color: var(--accent); font-weight: 700; }
.boot-caret {
  display: inline-block;
  color: var(--accent);
  animation: blink 1.05s steps(1) infinite;
}
.hero-title {
  font-family: var(--mono);
  font-size: clamp(2.2rem, 6vw, 4.5rem);
  line-height: 1.02;
  letter-spacing: -0.01em;
  margin: 0 0 14px;
  color: var(--fg-0);
  text-shadow: 0 0 24px rgba(58, 208, 122, 0.16);
}
.hero-sub {
  max-width: 62ch;
  color: var(--fg-1);
  font-size: clamp(0.98rem, 1.6vw, 1.12rem);
  margin: 0 0 34px;
}

/* stats 카운터 바 */
.hero-stats {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  background: var(--border);
  border: 1px solid var(--border);
  border-radius: 4px;
  overflow: hidden;
}
.hero-stats li {
  background: var(--bg-1);
  padding: 18px 18px 16px;
  display: flex;
  flex-direction: column;
  gap: 5px;
}
.hero-stats .stat-value {
  font-family: var(--mono);
  font-size: 2.1rem;
  line-height: 1;
  color: var(--fg-0);
  font-weight: 700;
}
.hero-stats li.stat-anchor .stat-value { color: var(--accent); text-shadow: 0 0 18px rgba(58, 208, 122, 0.35); }
.hero-stats .stat-label { font-size: 0.82rem; color: var(--fg-0); }
.hero-stats .stat-source { font-family: var(--mono); font-size: 0.68rem; color: var(--fg-2); line-height: 1.4; }

.hero-bridge {
  font-family: var(--mono);
  font-size: 0.84rem;
  color: var(--fg-2);
  border-left: 2px solid var(--accent-dim);
  padding-left: 12px;
  margin: 0;
}

/* =========================================================================
   CONTROLS — form 필터 칩 + 채널 렌즈
   ========================================================================= */
.controls {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px clamp(16px, 4vw, 40px) 4px;
}
.controls-head, .lens-head { margin: 20px 0 12px; }
.lens-head { margin-top: 26px; }
.controls-title {
  font-family: var(--mono);
  font-size: 1.02rem;
  color: var(--fg-0);
  margin: 0 0 3px;
  font-weight: 600;
}
.controls-title .prompt { color: var(--accent); margin-right: 6px; }
.controls-note { font-size: 0.82rem; color: var(--fg-1); margin: 0; }

.form-filters, .channel-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* 칩 공통 */
.chip {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--fg-1);
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 7px 11px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: background 140ms ease-out, border-color 140ms ease-out, color 140ms ease-out;
  line-height: 1.2;
}
.chip:hover { background: var(--bg-2); border-color: var(--border-bright); color: var(--fg-0); }
.chip .chip-count {
  font-size: 0.7rem;
  color: var(--fg-2);
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 1px 6px;
  min-width: 1.7em;
  text-align: center;
}
.chip[aria-pressed="true"] {
  color: var(--bg-0);
  background: var(--accent);
  border-color: var(--accent);
  font-weight: 600;
}
.chip[aria-pressed="true"] .chip-count {
  color: var(--bg-0);
  background: rgba(10, 14, 18, 0.18);
  border-color: rgba(10, 14, 18, 0.28);
}
.chip[disabled] { opacity: 0.35; cursor: not-allowed; }

/* 채널 칩 — 채널 색으로 좌측 도트 */
.chip.chip-channel .chan-dot {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
}
.chip-channel[data-channel="HN"] .chan-dot { background: var(--chan-HN); }
.chip-channel[data-channel="social"] .chan-dot { background: var(--chan-social); }
.chip-channel[data-channel="korean"] .chan-dot { background: var(--chan-korean); }
.chip-channel[aria-pressed="true"][data-channel="HN"] { background: var(--chan-HN); border-color: var(--chan-HN); }
.chip-channel[aria-pressed="true"][data-channel="social"] { background: var(--chan-social); border-color: var(--chan-social); }
.chip-channel[aria-pressed="true"][data-channel="korean"] { background: var(--chan-korean); border-color: var(--chan-korean); }
.chip-channel[aria-pressed="true"] .chan-dot { background: var(--bg-0); }

/* =========================================================================
   GALLERY WALL — 메이슨리 (CSS columns)
   ========================================================================= */
.wall-section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 10px clamp(16px, 4vw, 40px) clamp(40px, 6vw, 64px);
}
.wall-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 22px 0 18px;
  flex-wrap: wrap;
}
.section-title {
  font-family: var(--mono);
  font-size: 1.6rem;
  margin: 0;
  color: var(--fg-0);
  font-weight: 600;
}
.section-title .prompt { color: var(--accent); margin-right: 8px; }
.wall-status { font-family: var(--mono); font-size: 0.8rem; color: var(--fg-2); margin: 0; }

.gallery-wall {
  column-count: 3;
  column-gap: 16px;
}
@media (max-width: 920px) { .gallery-wall { column-count: 2; } }
@media (max-width: 560px) { .gallery-wall { column-count: 1; } }

.wall-empty {
  border: 1px dashed var(--border-bright);
  border-radius: 4px;
  padding: 28px;
  background: var(--bg-1);
}
.wall-empty pre {
  font-family: var(--mono);
  color: var(--amber);
  margin: 0;
  font-size: 0.88rem;
}

/* =========================================================================
   CARD — 공통
   ========================================================================= */
.card {
  break-inside: avoid;
  display: inline-block;
  width: 100%;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border);
  border-radius: 4px;
  padding: 16px 16px 14px;
  margin: 0 0 16px;
  position: relative;
  transition: transform 150ms ease-out, border-color 150ms ease-out,
              background 150ms ease-out, box-shadow 150ms ease-out;
}
.card:hover {
  background: var(--bg-2);
  border-color: var(--border-bright);
  border-left-color: var(--accent);
  transform: translateY(-2px);
  box-shadow: 0 6px 28px rgba(0, 0, 0, 0.35);
}
.card.is-hidden { display: none; }

/* 진입 애니메이션 */
.card.enter { opacity: 0; transform: translateY(8px); }
.card.entered { opacity: 1; transform: translateY(0); transition: opacity 160ms ease-out, transform 160ms ease-out; }

/* 카드 헤더: form 배지(좌) + channel 배지(우) */
.card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 11px;
}
.badge {
  font-family: var(--mono);
  font-size: 0.66rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  padding: 3px 7px;
  border-radius: 3px;
  border: 1px solid var(--border-bright);
  color: var(--fg-1);
  white-space: nowrap;
}
.badge-form { color: var(--fg-0); border-color: var(--accent-dim); }
.badge-channel {
  display: inline-flex; align-items: center; gap: 5px;
}
.badge-channel .chan-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.badge-channel[data-channel="HN"] { color: var(--chan-HN); border-color: rgba(240,180,41,0.4); }
.badge-channel[data-channel="HN"] .chan-dot { background: var(--chan-HN); }
.badge-channel[data-channel="social"] { color: var(--chan-social); border-color: rgba(56,189,248,0.4); }
.badge-channel[data-channel="social"] .chan-dot { background: var(--chan-social); }
.badge-channel[data-channel="korean"] { color: var(--chan-korean); border-color: rgba(58,208,122,0.4); }
.badge-channel[data-channel="korean"] .chan-dot { background: var(--chan-korean); }
.badge-channel .chan-unverified { color: var(--grade-unverified); font-size: 0.62rem; }

.card-title {
  font-family: var(--mono);
  font-size: 1.06rem;
  line-height: 1.32;
  color: var(--fg-0);
  margin: 0 0 9px;
  font-weight: 600;
}
.card-body {
  font-size: 0.93rem;
  line-height: 1.55;
  color: var(--fg-0);
  margin: 0 0 8px;
}
.card-body-ko {
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--fg-1);
  margin: 0 0 8px;
  padding-left: 10px;
  border-left: 1px solid var(--border-bright);
}
.card-body-ko[hidden] { display: none; }
.ko-toggle {
  font-family: var(--mono);
  font-size: 0.7rem;
  background: transparent;
  border: 1px solid var(--border-bright);
  color: var(--cyan);
  border-radius: 3px;
  padding: 2px 7px;
  cursor: pointer;
  margin: 0 0 9px;
  transition: background 120ms ease-out;
}
.ko-toggle:hover { background: var(--bg-0); }

.card-foot {
  margin-top: 11px;
  padding-top: 10px;
  border-top: 1px solid var(--border);
}
.card-meta {
  display: flex;
  align-items: center;
  gap: 9px;
  flex-wrap: wrap;
  margin-bottom: 6px;
}
.card-author {
  font-family: var(--mono);
  font-size: 0.76rem;
  color: var(--fg-1);
}
.card-author::before { content: "◇ "; color: var(--fg-2); }

/* confidence 점 (● high/medium/low) */
.conf {
  font-family: var(--mono);
  font-size: 0.7rem;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  white-space: nowrap;
}
.conf .conf-dot { font-size: 0.7rem; line-height: 1; }
.conf[data-conf="high"] { color: var(--grade-high); }
.conf[data-conf="medium"] { color: var(--grade-medium); }
.conf[data-conf="low"] { color: var(--grade-low); }

/* sentiment 점 */
.sent {
  font-family: var(--mono);
  font-size: 0.68rem;
  color: var(--fg-2);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.sent .sent-dot { width: 7px; height: 7px; border-radius: 50%; display: inline-block; }
.sent[data-sent="positive"] .sent-dot { background: var(--sent-positive); }
.sent[data-sent="neutral"] .sent-dot { background: var(--sent-neutral); }
.sent[data-sent="negative"] .sent-dot { background: var(--sent-negative); }
.sent[data-sent="mixed"] .sent-dot { background: var(--sent-mixed); }

.card-context {
  font-size: 0.74rem;
  line-height: 1.5;
  color: var(--fg-2);
  margin: 0;
  transition: color 150ms ease-out;
}
.card:hover .card-context { color: var(--fg-1); }

/* =========================================================================
   FORM별 카드 차별화 — design-system 토큰 안에서, 과하지 않게
   ========================================================================= */

/* meme — ASCII/모노 프레임 박스 */
.card.form-meme {
  border-style: dashed;
  border-color: var(--border-bright);
}
.card.form-meme .card-title::before {
  content: "[ meme ]";
  display: block;
  font-size: 0.64rem;
  color: var(--accent-dim);
  letter-spacing: 0.1em;
  margin-bottom: 4px;
}
.card.form-meme .card-body {
  font-family: var(--mono);
  font-size: 0.84rem;
  background: var(--bg-0);
  border: 1px solid var(--border);
  border-radius: 3px;
  padding: 10px 12px;
}

/* viral — 대형 임팩트 타이포 */
.card.form-viral { border-left-color: var(--cyan); }
.card.form-viral .card-title {
  font-size: 1.5rem;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--fg-0);
}
.card.form-viral .card-body {
  font-size: 1.04rem;
  font-weight: 500;
  color: var(--cyan);
}

/* wit — 인용부호 + 냉소 톤 */
.card.form-wit { border-left-color: var(--amber); }
.card.form-wit .card-body {
  font-style: italic;
  position: relative;
  padding-left: 22px;
}
.card.form-wit .card-body::before {
  content: "\201C";
  position: absolute;
  left: 0;
  top: -6px;
  font-family: var(--mono);
  font-size: 2rem;
  line-height: 1;
  color: var(--amber);
  opacity: 0.7;
}

/* metaphor — 비유 도식 (→ 화살표 마커) */
.card.form-metaphor { border-left-color: var(--sent-mixed); }
.card.form-metaphor .card-title::after {
  content: " →";
  color: var(--sent-mixed);
}
.card.form-metaphor .card-body {
  border-left: 2px solid rgba(176, 122, 232, 0.4);
  padding-left: 12px;
}

/* satire — 강조 보더 (점선 외곽) */
.card.form-satire {
  border-color: var(--grade-caution);
  border-left-color: var(--grade-caution);
}
.card.form-satire .card-title::before {
  content: "⚠ 풍자";
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.08em;
  color: var(--grade-caution);
  margin-right: 6px;
  vertical-align: middle;
}

/* experience — 터미널 로그 스타일 */
.card.form-experience { border-left-color: var(--accent); }
.card.form-experience .card-body {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--accent);
  background: var(--bg-0);
  border-radius: 3px;
  padding: 11px 12px 11px 26px;
  position: relative;
}
.card.form-experience .card-body::before {
  content: "$";
  position: absolute;
  left: 11px;
  top: 11px;
  color: var(--accent-dim);
}

/* advocacy — 강조 보더 (두꺼운 좌측 + 상단 강조선) */
.card.form-advocacy {
  border-left-width: 4px;
  border-left-color: var(--grade-low);
}
.card.form-advocacy .card-title::before {
  content: "▍";
  color: var(--grade-low);
  margin-right: 5px;
}
.card.form-advocacy .card-body { font-weight: 500; }

/* =========================================================================
   METHOD / FABRICATION = 0
   ========================================================================= */
.method-section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px clamp(16px, 4vw, 40px) clamp(36px, 5vw, 56px);
}
.method-banner {
  border: 1px solid var(--accent-dim);
  border-radius: 4px;
  background:
    linear-gradient(180deg, rgba(58,208,122,0.06), rgba(58,208,122,0.01));
  padding: 22px 24px;
  margin-bottom: 16px;
}
.method-eq {
  font-family: var(--mono);
  font-size: clamp(1.4rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--accent);
  letter-spacing: 0.02em;
  text-shadow: 0 0 18px rgba(58, 208, 122, 0.3);
  display: block;
  margin-bottom: 6px;
}
.method-sub { color: var(--fg-1); font-size: 0.9rem; margin: 0; }

.method-details {
  border: 1px solid var(--border);
  border-radius: 4px;
  background: var(--bg-1);
  margin-bottom: 10px;
}
.method-details summary {
  font-family: var(--mono);
  font-size: 0.86rem;
  color: var(--fg-0);
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
}
.method-details summary::-webkit-details-marker { display: none; }
.method-details summary .prompt { color: var(--accent); margin-right: 6px; }
.method-details summary:hover { color: var(--accent); }
.method-details[open] summary { border-bottom: 1px solid var(--border); }
.method-body {
  font-size: 0.85rem;
  line-height: 1.65;
  color: var(--fg-1);
  padding: 14px 16px 16px;
  margin: 0;
}

/* =========================================================================
   CHANNEL breakdown (보조 차트 — 인라인, 수치 병기)
   ========================================================================= */
.channels-section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 8px clamp(16px, 4vw, 40px) clamp(48px, 6vw, 72px);
}
.channels-section .section-title { font-size: 1.3rem; margin-bottom: 16px; }
.channel-breakdown {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.chan-row {
  display: grid;
  grid-template-columns: 180px 1fr auto;
  align-items: center;
  gap: 12px;
}
.chan-row .chan-name {
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--fg-0);
  display: inline-flex;
  align-items: center;
  gap: 7px;
}
.chan-row .chan-name .chan-dot { width: 9px; height: 9px; border-radius: 50%; display: inline-block; }
.chan-row .chan-bar-track {
  height: 14px;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: 3px;
  overflow: hidden;
}
.chan-row .chan-bar-fill {
  height: 100%;
  width: 0;
  border-radius: 2px;
  transition: width 700ms ease-out;
}
.chan-row[data-channel="HN"] .chan-bar-fill { background: var(--chan-HN); }
.chan-row[data-channel="social"] .chan-bar-fill { background: var(--chan-social); }
.chan-row[data-channel="korean"] .chan-bar-fill { background: var(--chan-korean); }
.chan-row[data-channel="HN"] .chan-name .chan-dot { background: var(--chan-HN); }
.chan-row[data-channel="social"] .chan-name .chan-dot { background: var(--chan-social); }
.chan-row[data-channel="korean"] .chan-name .chan-dot { background: var(--chan-korean); }
.chan-row .chan-num { font-family: var(--mono); font-size: 0.8rem; color: var(--fg-1); white-space: nowrap; }

@media (max-width: 560px) {
  .chan-row { grid-template-columns: 1fr auto; }
  .chan-row .chan-bar-track { grid-column: 1 / -1; order: 3; }
}

/* =========================================================================
   FOOTER
   ========================================================================= */
.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-1);
  padding: 28px clamp(16px, 4vw, 40px) 40px;
  text-align: center;
}
.footer-line { font-family: var(--mono); font-size: 0.8rem; color: var(--accent); margin: 0 0 8px; }
.footer-sources {
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--fg-2);
  line-height: 1.7;
  margin: 0 auto 10px;
  max-width: 70ch;
  word-break: break-all;
}
.footer-note {
  font-size: 0.76rem;
  color: var(--fg-1);
  max-width: 64ch;
  margin: 0 auto;
  line-height: 1.6;
}

/* =========================================================================
   REDUCED MOTION
   ========================================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  .nav-cursor, .boot-caret { animation: none; opacity: 1; }
  .card.enter { opacity: 1; transform: none; }
  .chan-row .chan-bar-fill { transition: none; }
}