/* Insta Generator — 카드뉴스 메이커 모바일 앱 셸 */

:root {
  --cn-bg: #0b0b0f;
  --cn-panel: #17171d;
  --cn-panel-2: #1f1f27;
  --cn-border: #2b2b34;
  --cn-text: #f5f5f7;
  --cn-text-dim: #9a9aa5;
  --cn-accent: #0a84ff;
}

* { box-sizing: border-box; }

/* display:flex 등을 직접 주는 규칙(#cn-loading, #cn-color-toolbar)이 ID 특이도로
   [hidden] 의 기본 UA 규칙(display:none)을 이겨버리는 걸 방지 */
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--cn-bg);
  color: var(--cn-text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Pretendard, Roboto, sans-serif;
}

#cn-app {
  display: flex;
  flex-direction: column;
  height: 100vh;
  overflow: hidden;
}

/* ── 상단 바 ─────────────────────────────────────────────────────── */

#cn-topbar {
  flex: 0 0 auto;
  padding: 14px 16px 12px;
  border-bottom: 1px solid var(--cn-border);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#cn-brand {
  font-size: 15px;
  font-weight: 700;
  color: var(--cn-text-dim);
}

#cn-urlbar {
  display: flex;
  gap: 8px;
}

#cn-url-input {
  flex: 1;
  min-width: 0;
  background: var(--cn-panel);
  border: 1px solid var(--cn-border);
  color: var(--cn-text);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
  outline: none;
}
#cn-url-input:focus { border-color: var(--cn-accent); }

#cn-generate-btn {
  flex: 0 0 auto;
  background: linear-gradient(135deg, #ff5f6d, #a35cff 60%, #0a84ff);
  color: #fff;
  border: none;
  border-radius: 10px;
  padding: 0 16px;
  font-size: 14px;
  font-weight: 700;
  cursor: pointer;
  white-space: nowrap;
}
#cn-generate-btn:disabled { opacity: .5; cursor: default; }

/* ── 탭 스위처 ────────────────────────────────────────────────────── */

#cn-tabs {
  display: flex;
  gap: 6px;
}

.cn-tab {
  flex: 0 0 auto;
  background: transparent;
  border: 1px solid var(--cn-border);
  color: var(--cn-text-dim);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 12px;
  font-weight: 700;
  cursor: pointer;
}
.cn-tab.cn-tab-active {
  background: var(--cn-panel-2);
  border-color: var(--cn-accent);
  color: var(--cn-text);
}

.cn-panel[hidden] { display: none; }

#cn-pdfbar {
  display: flex;
  align-items: center;
  gap: 10px;
}

#cn-pdf-pick-btn,
#cn-pdf-generate-btn {
  flex: 0 0 auto;
  border: 1px solid var(--cn-border);
  color: var(--cn-text);
  background: var(--cn-panel);
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
#cn-pdf-generate-btn {
  background: linear-gradient(135deg, #ff5f6d, #a35cff 60%, #0a84ff);
  border: none;
  font-weight: 700;
}
#cn-pdf-generate-btn:disabled { opacity: .5; cursor: default; }

#cn-pdf-filename {
  flex: 1 1 auto;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  font-size: 13px;
  color: var(--cn-text-dim);
}

#cn-testbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.cn-test-hint {
  flex: 1 1 auto;
  min-width: 160px;
  font-size: 12px;
  color: var(--cn-text-dim);
}

#cn-test-url-btn,
#cn-test-pdf-btn {
  flex: 0 0 auto;
  border: 1px dashed var(--cn-accent);
  color: var(--cn-text);
  background: var(--cn-panel);
  border-radius: 10px;
  padding: 9px 14px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
#cn-test-url-btn:disabled,
#cn-test-pdf-btn:disabled { opacity: .5; cursor: default; }

#cn-status-line {
  font-size: 12px;
  color: #ff9f43;
  min-height: 14px;
}

/* ── 스테이지 ─────────────────────────────────────────────────────── */

#cn-stage-wrap {
  position: relative;
  flex: 1 1 auto;
  min-height: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

#cn-empty-hint {
  color: var(--cn-text-dim);
  font-size: 15px;
  text-align: center;
  line-height: 1.6;
}

#cn-app.cn-has-data #cn-empty-hint { display: none; }
#cn-stage { display: none; }
#cn-app.cn-has-data #cn-stage { display: block; }

#cn-stage {
  position: relative;
  width: min(88vw, 420px);
  aspect-ratio: 1 / 1;
  overflow: hidden;
  border-radius: 22px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, .5);
  background: #000;
}

#cn-scaler {
  width: 1080px;
  height: 1080px;
  transform-origin: top left;
  transform: scale(var(--cn-scale, 0.35));
}

#cn-track {
  display: flex;
  width: 5400px;
  height: 1080px;
  transform: translateX(0);
  transition: transform .32s cubic-bezier(.2, .7, .2, 1);
}
#cn-track.cn-dragging { transition: none; }

.cn-slide {
  position: relative;
  flex: 0 0 1080px;
  width: 1080px;
  height: 1080px;
  overflow: hidden;
  background: #101018;
}

.cn-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  background-color: #1a1a24;
}
.cn-bg video, .cn-bg img.cn-bg-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.cn-slide.cn-bg-gradient .cn-bg {
  background-image: linear-gradient(160deg, #ff5f6d, #a35cff 55%, #0a84ff);
}

.cn-scrim {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, .78) 0%, rgba(0, 0, 0, .35) 32%, rgba(0, 0, 0, 0) 62%);
  pointer-events: none;
}

.cn-content {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: 56px 64px 72px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.cn-label,
.cn-title,
.cn-body {
  outline: none;
  color: #fff;
  text-shadow: 0 2px 10px rgba(0, 0, 0, .35);
  word-break: keep-all;
  overflow-wrap: anywhere;
}
.cn-label:focus, .cn-title:focus, .cn-body:focus, .cn-badge:focus {
  outline: 2px dashed rgba(255, 255, 255, .55);
  outline-offset: 6px;
  border-radius: 4px;
}

.cn-label {
  align-self: flex-start;
  font-size: 26px;
  font-weight: 800;
  letter-spacing: .08em;
  padding: 8px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .16);
  backdrop-filter: blur(6px);
}

.cn-badge {
  align-self: flex-start;
  outline: none;
  font-size: 24px;
  font-weight: 800;
  color: #0b0b0f;
  background: #fff;
  padding: 10px 18px;
  border-radius: 10px;
  box-shadow: 0 6px 18px rgba(0, 0, 0, .35);
}

.cn-title {
  font-size: 68px;
  font-weight: 900;
  line-height: 1.18;
}

.cn-body {
  font-size: 32px;
  line-height: 1.5;
  color: rgba(255, 255, 255, .88);
}

/* 첫 카드(후크): body 없이 제목만 크게 — 시선을 끄는 두 줄 헤드라인 */
.cn-slide.cn-hook .cn-title {
  font-size: 92px;
  line-height: 1.14;
}

/* ── 캡처 시 숨기는 UI 크롬 ───────────────────────────────────────── */

.cn-chrome { }
body.cn-capturing .cn-chrome { display: none !important; }

.cn-bg-swap-btn {
  position: absolute;
  top: 28px;
  right: 28px;
  width: 64px;
  height: 64px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, .45);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  backdrop-filter: blur(6px);
}
.cn-bg-swap-btn .material-symbols-outlined { font-size: 32px; }
.cn-bg-swap-btn:hover { background: rgba(0, 0, 0, .65); }

/* ── 색상 툴바 ────────────────────────────────────────────────────── */

#cn-color-toolbar {
  position: fixed;
  z-index: 50;
  display: flex;
  gap: 8px;
  padding: 8px 10px;
  background: rgba(24, 24, 30, .96);
  border: 1px solid var(--cn-border);
  border-radius: 999px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .45);
}

.cn-swatch {
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, .25);
  cursor: pointer;
  padding: 0;
}
.cn-swatch:hover { transform: scale(1.12); }

/* ── 로딩 ────────────────────────────────────────────────────────── */

#cn-loading {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: rgba(0, 0, 0, .55);
  border-radius: 22px;
  text-align: center;
  padding: 20px;
}

.cn-spinner {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, .25);
  border-top-color: #fff;
  animation: cn-spin 0.8s linear infinite;
}
@keyframes cn-spin { to { transform: rotate(360deg); } }

#cn-loading-text {
  font-size: 13px;
  color: var(--cn-text-dim);
  max-width: 260px;
}

/* ── 하단 바 ─────────────────────────────────────────────────────── */

#cn-bottomnav {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px calc(10px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--cn-border);
}

.cn-nav-btn {
  flex: 0 0 auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--cn-border);
  background: var(--cn-panel);
  color: var(--cn-text);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
.cn-nav-btn:disabled { opacity: .35; cursor: default; }

#cn-dots {
  flex: 1 1 auto;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
}

.cn-dot {
  width: 7px;
  height: 7px;
  border-radius: 999px;
  background: var(--cn-border);
  border: none;
  cursor: pointer;
  padding: 0;
  transition: width .2s, background .2s;
}
.cn-dot.cn-active {
  width: 22px;
  background: var(--cn-accent);
}

#cn-download-btn {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--cn-panel-2);
  color: var(--cn-text);
  border: 1px solid var(--cn-border);
  border-radius: 10px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
}
#cn-download-btn:disabled { opacity: .4; cursor: default; }

@media (max-width: 480px) {
  .cn-title { font-size: 60px; }
  .cn-body { font-size: 28px; }
  #cn-urlbar { flex-direction: column; }
  #cn-generate-btn { padding: 10px; }
}