/* ═══════════════════════════════════════════════════════
   DOPPING LAB — Premium Korean Newsletter Theme
   Based on reference newsletter design
   ═══════════════════════════════════════════════════════ */

/* ── CSS Variables ── */
:root {
  --bg: #faf7f2;
  --bg-card: #ffffff;
  --bg-warm: #f7efe5;
  --amber: #c47d4a;
  --amber-dk: #a35c2a;
  --amber-lt: #eed9c2;
  --amber-xlt: #fdf3e7;
  --teal: #6ba8a3;
  --teal-lt: #d0ecea;
  --sage: #7a9e7e;
  --sage-lt: #d4e8d4;
  --purple: #7a62b0;
  --purple-lt: #e4d8f4;
  --brown: #3a2e24;
  --brown-md: #7a6b5f;
  --brown-lt: #b5a89e;
  --border: #e6dcd2;
  --sd: 0 2px 16px rgba(58,46,36,.07);
  --sd2: 0 4px 28px rgba(58,46,36,.11);
  --r: 14px;
}

/* ── Emoji replacement dots ── */
.dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  vertical-align: middle;
}
.dot-red { background-color: #dc2626; }
.dot-yellow { background-color: #d97706; }
.dot-green { background-color: #16a34a; }

/* ── Glass nav on scroll ── */
.nav-glass {
  background: rgba(250, 247, 242, 0.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

/* ── Content wrapper — newsletter width ── */
.nl-wrap {
  max-width: 720px;
  margin: 0 auto;
}

/* ── Header banner image ── */
.header-banner {
  width: 100%;
  border-radius: var(--r);
  overflow: hidden;
  box-shadow: var(--sd);
}
.header-banner img {
  width: 100%;
  height: auto;
  display: block;
}

/* ══════════════════════════════════════
   SECTION HEADER — dot + title + rule
   ══════════════════════════════════════ */
.sh {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 18px;
}
.sh-dot {
  width: 7px; height: 7px;
  background: var(--amber);
  border-radius: 50%;
  flex-shrink: 0;
}
.sh-title {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--brown-md);
  white-space: nowrap;
}
.sh-rule {
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ══════════════════════════════════════
   GREETING CARD
   ══════════════════════════════════════ */
.greeting {
  background: var(--bg-warm);
  border-left: 3.5px solid var(--amber);
  border-radius: 0 12px 12px 0;
  padding: 18px 22px;
  margin-bottom: 28px;
}
.g-date {
  font-size: 11px;
  color: var(--brown-lt);
  letter-spacing: .1em;
  margin-bottom: 10px;
}
.g-text {
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--brown);
  font-weight: 300;
}

/* ══════════════════════════════════════
   STICKY TABS with animated underline
   ══════════════════════════════════════ */
.nl-tabs {
  position: sticky;
  top: 0;
  z-index: 90;
  background: rgba(250,247,242,.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  display: flex;
  margin: 0 -20px;
  padding: 0 20px;
}
.tab-btn {
  flex: 1;
  padding: 14px 6px;
  border: none;
  background: none;
  cursor: pointer;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--brown-lt);
  position: relative;
  transition: color .22s;
  letter-spacing: .02em;
}
.tab-btn.active { color: var(--brown); }
.tab-btn::after {
  content: '';
  position: absolute;
  bottom: -1px;
  left: 50%;
  right: 50%;
  height: 2.5px;
  background: var(--amber);
  border-radius: 2px 2px 0 0;
  transition: left .25s cubic-bezier(.4,0,.2,1), right .25s cubic-bezier(.4,0,.2,1);
}
.tab-btn.active::after {
  left: 12%;
  right: 12%;
}

/* ══════════════════════════════════════
   PANELS — fade-up animation
   ══════════════════════════════════════ */
.tab-content {
  animation: fadeUp .35s ease;
}
.tab-content:not(.hidden) {
  animation: fadeUp .35s ease;
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ══════════════════════════════════════
   MARKET BRIEFING CARD
   ══════════════════════════════════════ */
.mkt-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 22px 24px;
  margin-bottom: 28px;
  box-shadow: var(--sd);
}
.mkt-card .md-content p {
  font-size: 13.8px;
  line-height: 2.15;
  color: var(--brown-md);
}
.mkt-card .md-content strong {
  color: var(--brown);
}

/* ── Swiper pagination ── */
.swiper-pagination-bullet {
  background: #d1cdc4 !important;
  opacity: 1 !important;
  width: 7px !important;
  height: 7px !important;
}
.swiper-pagination-bullet-active {
  background: var(--amber) !important;
  width: 22px !important;
  border-radius: 4px !important;
}

/* ── Swiper external controls ── */
.swiper-outer .swiper {
  overflow: hidden;
  border-radius: 12px;
  box-shadow: var(--sd);
}
[class^="swiper-slide-v"] .swiper-slide img {
  width: 100%;
  max-height: 600px;
  object-fit: contain;
  background: #F0EDE6;
  border-radius: 12px;
}
.swiper-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 16px;
}
.swiper-btn-prev,
.swiper-btn-next {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--amber);
  cursor: pointer;
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  flex-shrink: 0;
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
}
.swiper-btn-prev:hover,
.swiper-btn-next:hover {
  background: var(--amber);
  color: white;
  border-color: var(--amber);
  box-shadow: 0 4px 12px rgba(196,125,74,0.25);
}
.swiper-btn-prev.swiper-button-disabled,
.swiper-btn-next.swiper-button-disabled {
  opacity: 0.25;
  cursor: default;
}
.swiper-controls .swiper-pagination {
  position: static !important;
  width: auto !important;
}

/* ── Version tag ── */
.ver-tag {
  display: inline-block;
  background: var(--amber-lt);
  color: var(--amber-dk);
  font-size: 10.5px;
  font-weight: 700;
  letter-spacing: .04em;
  padding: 2px 8px;
  border-radius: 5px;
}

/* ══════════════════════════════════════
   SHORTS SWIPER (YouTube)
   ══════════════════════════════════════ */
.swiper-shorts .short-item {
  border-radius: 11px;
  overflow: hidden;
  aspect-ratio: 9/16;
  position: relative;
  box-shadow: 0 4px 18px rgba(0,0,0,.15);
  width: 100%;
  max-height: 500px;
}
.swiper-shorts .short-item iframe {
  width: 100%;
  height: 100%;
  border: none;
  display: block;
}

/* ══════════════════════════════════════
   MARKDOWN CONTENT (warm typography)
   ══════════════════════════════════════ */
.md-content h1 {
  font-size: 1.35rem; font-weight: 700; color: var(--brown);
  margin: 2rem 0 1rem; padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border);
}
.md-content h2 {
  font-size: 1.15rem; font-weight: 700; color: var(--brown);
  margin: 1.75rem 0 0.75rem;
  display: flex; align-items: center; gap: 10px;
}
.md-content h2::before {
  content: '';
  width: 4px; height: 18px;
  background: var(--amber);
  border-radius: 2px;
  flex-shrink: 0;
  display: inline-block;
}
.md-content h3 {
  font-size: 1.05rem; font-weight: 600; color: var(--amber-dk);
  margin: 1.5rem 0 0.5rem;
}
.md-content p {
  margin: 0.625rem 0; line-height: 1.95; color: var(--brown-md);
  word-break: keep-all;
}
.md-content ul, .md-content ol {
  margin: 0.75rem 0 0.75rem 1.25rem; color: var(--brown-md);
  list-style-position: outside;
}
.md-content ul { list-style-type: disc; }
.md-content ol { list-style-type: decimal; }
.md-content li {
  margin: 0.5rem 0; line-height: 1.9;
  padding-left: 0.25rem;
}
.md-content li > ul, .md-content li > ol {
  margin-top: 0.25rem; margin-bottom: 0.25rem;
}
.md-content code {
  background: rgba(196,125,74,0.08); border: 1px solid rgba(196,125,74,0.15);
  padding: 1px 5px; border-radius: 3px; font-size: 0.85em; color: var(--amber-dk);
  font-family: 'Pretendard', system-ui, sans-serif; font-weight: 500;
}
.md-content pre {
  background: var(--bg-warm); border: 1px solid var(--border);
  border-radius: 8px; padding: 1rem; overflow-x: auto; margin: 1rem 0;
}
.md-content pre code {
  background: none; border: none; padding: 0; color: var(--brown);
  font-family: 'Consolas', 'Monaco', monospace;
}
.md-content table { width: 100%; border-collapse: collapse; margin: 1rem 0; border-radius: 10px; overflow: hidden; display: block; overflow-x: auto; -webkit-overflow-scrolling: touch; }
.md-content th {
  background: var(--bg-warm); padding: 7px 9px; text-align: left;
  font-weight: 600; color: var(--brown); border-bottom: 2px solid var(--border);
  font-size: 0.75rem; white-space: nowrap;
}
.md-content td {
  padding: 6px 9px; border-bottom: 1px solid var(--border);
  color: var(--brown-md); font-size: 0.78rem; line-height: 1.5;
}
.md-content tr:last-child td { border-bottom: none; }
.md-content strong { color: var(--brown); font-weight: 600; }
.md-content em { color: var(--brown-lt); font-style: italic; }
.md-content blockquote {
  border-left: 3px solid var(--amber); margin: 1rem 0; padding: 0.75rem 1rem;
  background: var(--amber-xlt); border-radius: 0 10px 10px 0;
}
.md-content blockquote p { color: var(--brown); margin: 0.25rem 0; }
.md-content hr {
  border: none; height: 1px; margin: 1.5rem 0;
  background: linear-gradient(90deg, transparent, var(--border), transparent);
}
.md-content a { color: var(--amber); text-decoration: underline; text-underline-offset: 2px; }
.md-content a:hover { color: var(--amber-dk); }
.md-content mark {
  background: rgba(196,125,74,0.12); color: var(--brown);
  padding: 0 4px; border-radius: 3px;
}
.md-content img { max-width: 100%; border-radius: 8px; margin: 0.75rem 0; }

/* ══════════════════════════════════════
   ACCORDION (full analysis)
   ══════════════════════════════════════ */
.accordion-section {
  margin-bottom: 10px;
  border: 1px solid var(--border);
  border-radius: var(--r);
  overflow: hidden;
  background: var(--bg-card);
  transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
  box-shadow: var(--sd);
}
.accordion-section[open] {
  border-color: rgba(196,125,74,0.3);
  box-shadow: var(--sd2);
}
.accordion-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 17px 20px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--amber-dk);
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background 0.2s;
}
.accordion-title:hover {
  background: rgba(196,125,74,0.03);
}
.accordion-title::-webkit-details-marker { display: none; }
.accordion-title-text { flex: 1; }
.accordion-arrow {
  width: 28px; height: 28px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  border-radius: 6px;
  background: rgba(196,125,74,0.08);
  transition: all 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.accordion-arrow::after {
  content: '';
  border-left: 6px solid transparent;
  border-right: 6px solid transparent;
  border-top: 7px solid var(--amber);
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.accordion-section:not([open]) .accordion-arrow::after {
  transform: rotate(-90deg);
}
.accordion-section[open] .accordion-arrow {
  background: rgba(196,125,74,0.15);
}
.accordion-body {
  padding: 0 22px 22px;
  border-top: 1px solid var(--border);
}

/* Full analysis sub-headings highlight */
.accordion-body.md-content h3 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--brown);
  padding: 4px 0;
  margin: 1.75rem 0 0.75rem;
  background: linear-gradient(transparent 55%, rgba(196,125,74,0.12) 55%);
  display: inline;
  line-height: 2;
}

/* ── Deep research card ── */
.newsletter-tab-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  box-shadow: var(--sd);
}

/* ── Newsletter dividers ── */
.newsletter-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 1.5rem 0;
  color: var(--brown-lt);
  font-size: 0.75rem;
  letter-spacing: 0.5em;
}
.newsletter-divider::before,
.newsletter-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--border));
  max-width: 120px;
}
.newsletter-divider::after {
  background: linear-gradient(90deg, var(--border), transparent);
}
.newsletter-divider::before {
  margin-right: 12px;
}
.newsletter-divider::after {
  margin-left: 12px;
}

/* ══════════════════════════════════════
   SCROLL TO TOP
   ══════════════════════════════════════ */
.scroll-top-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--amber);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--sd2);
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: opacity .25s, transform .25s, background .2s;
  z-index: 95;
}
.scroll-top-btn.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.scroll-top-btn:hover {
  background: var(--amber);
  color: white;
  border-color: var(--amber);
}
@media print {
  .scroll-top-btn { display: none !important; }
}

/* ══════════════════════════════════════
   PRINT BUTTON & MODAL
   ══════════════════════════════════════ */
.print-btn-wrap {
  position: relative;
  z-index: 100;
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-bottom: 12px;
}
.print-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-card);
  color: var(--brown-lt);
  cursor: pointer;
  transition: all 0.2s;
  box-shadow: 0 1px 4px rgba(0,0,0,0.04);
}
.print-toggle-btn:hover {
  color: var(--amber);
  border-color: rgba(196,125,74,0.3);
  box-shadow: 0 2px 8px rgba(196,125,74,0.12);
}
.print-modal {
  position: absolute;
  top: 44px;
  right: 0;
  z-index: 50;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 16px 20px;
  min-width: 200px;
  box-shadow: 0 8px 32px rgba(58,46,36,0.1), 0 2px 8px rgba(0,0,0,0.04);
}
.print-modal-title {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--brown-md);
  margin-bottom: 12px;
  letter-spacing: .02em;
}
.print-checkbox-label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 0;
  font-size: 0.875rem;
  color: var(--brown);
  cursor: pointer;
}
.print-checkbox-label input[type="checkbox"] {
  width: 16px; height: 16px;
  accent-color: var(--amber);
  cursor: pointer;
  border-radius: 4px;
}
.print-exec-btn {
  display: block;
  width: 100%;
  margin-top: 12px;
  padding: 8px 0;
  background: var(--amber);
  color: white;
  font-size: 0.8rem;
  font-weight: 700;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.2s;
}
.print-exec-btn:hover {
  background: var(--amber-dk);
}

/* ── Download option buttons ── */
.download-option-btn {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 10px 12px;
  margin-bottom: 6px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--brown);
  font-size: 0.84rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
}
.download-option-btn:last-child {
  margin-bottom: 0;
}
.download-option-btn:hover {
  background: var(--amber-xlt);
  border-color: rgba(196,125,74,0.3);
  color: var(--amber-dk);
}

/* ══════════════════════════════════════
   PRINT STYLES
   ══════════════════════════════════════ */
@media print {
  nav, footer,
  .nl-tabs, .print-btn-wrap, .print-modal,
  .swiper-controls, .swiper-pagination,
  .swiper-btn-prev, .swiper-btn-next,
  .sample-banner,
  #statusMsg,
  .nav-glass,
  button#btnTestSend, button#btnSendAll,
  a[href*="/admin/edit"] {
    display: none !important;
  }

  .flex.gap-2.text-sm.font-semibold.mb-8,
  .flex.gap-8.text-sm.font-semibold.border-b {
    display: none !important;
  }

  .mt-12.border-t.border-gray-200.pt-6 {
    display: none !important;
  }

  .bg-gold-400\/10.border.border-gold-400\/20.rounded-xl {
    display: none !important;
  }

  html, body {
    background: white !important;
    color: var(--brown) !important;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .print-content-root {
    padding: 0 !important;
    max-width: 100% !important;
  }

  .print-section-hidden {
    display: none !important;
  }
  .print-section-visible {
    display: block !important;
    page-break-before: always;
  }
  .print-section-visible:first-of-type {
    page-break-before: avoid;
  }

  .accordion-section {
    break-inside: avoid;
    border: 1px solid var(--border) !important;
    box-shadow: none !important;
  }
  .accordion-section[open] .accordion-body,
  .accordion-body {
    display: block !important;
  }

  .md-content p, .md-content li, .md-content td {
    color: #292524 !important;
  }
  .md-content h1, .md-content h2, .md-content h3 {
    color: #1c1917 !important;
  }
  .md-content strong { color: #0c0a09 !important; }

  .summary-card, .greeting, .mkt-card {
    background: #f9f7f3 !important;
    border: 1px solid var(--border) !important;
    box-shadow: none !important;
  }

  .header-banner {
    box-shadow: none !important;
    border-radius: 0 !important;
  }

  @page {
    margin: 1.5cm 2cm;
  }

  img {
    max-width: 100% !important;
    break-inside: avoid;
  }

  .md-content a { color: #1c1917 !important; }
}

/* ── Mobile list fix ── */
@media (max-width: 768px) {
  .md-content ul, .md-content ol {
    margin-left: 1.5rem;
  }
  .md-content li {
    padding-left: 0.35rem;
  }
}