:root {
  --pink-50: #fff2f8;
  --pink-100: #ffd8ea;
  --pink-200: #ffc0de;
  --pink-300: #ff95c5;
  --pink-400: #ff6eab;
  --pink-500: #f84a98;
  --pink-600: #de247a;
  --pink-700: #b81560;
  --ink-900: #2f1220;
  --ink-700: #5f2f46;
  --ink-500: #8f5d74;
  --surface: rgba(255, 255, 255, 0.84);
  --surface-strong: #fff;
  --shadow-1: 0 14px 34px rgba(184, 21, 96, 0.18);
  --shadow-2: 0 12px 26px rgba(184, 21, 96, 0.12);
  --radius-lg: 24px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

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

body {
  min-height: 100vh;
  font-family: "Noto Sans KR", sans-serif;
  color: var(--ink-900);
  background:
    radial-gradient(circle at 8% 12%, #ffe0ef 0%, rgba(255, 224, 239, 0.1) 40%),
    radial-gradient(circle at 87% 16%, #ffd3e8 0%, rgba(255, 211, 232, 0.12) 45%),
    linear-gradient(145deg, #fff6fb 0%, #ffeef8 50%, #ffe8f5 100%);
  overflow-x: hidden;
}

.background-orb {
  position: fixed;
  border-radius: 50%;
  filter: blur(8px);
  pointer-events: none;
  z-index: 0;
}

.orb-1 {
  width: 380px;
  height: 380px;
  background: radial-gradient(circle at 30% 30%, rgba(255, 164, 210, 0.6), rgba(255, 164, 210, 0.08));
  top: -120px;
  right: -80px;
  animation: float 12s ease-in-out infinite;
}

.orb-2 {
  width: 300px;
  height: 300px;
  background: radial-gradient(circle at 30% 30%, rgba(255, 125, 183, 0.5), rgba(255, 125, 183, 0.08));
  bottom: -110px;
  left: -70px;
  animation: float 14s ease-in-out infinite reverse;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1200px, 100% - 32px);
  margin: 24px auto 30px;
}

.card {
  background: var(--surface);
  border: 1px solid rgba(255, 161, 206, 0.45);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
  backdrop-filter: blur(8px);
}

.hero {
  padding: 26px;
  display: flex;
  justify-content: space-between;
  gap: 20px;
  align-items: flex-start;
  margin-bottom: 16px;
}

.brand-wrap {
  display: flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 58px;
  height: 58px;
  border-radius: 14px;
  box-shadow: 0 6px 16px rgba(184, 21, 96, 0.22);
}

.eyebrow {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--pink-700);
  font-weight: 700;
}

h1,
h2,
h3 {
  margin: 0;
  font-family: "Do Hyeon", sans-serif;
  letter-spacing: 0.01em;
}

h1 {
  font-size: clamp(1.7rem, 4vw, 2.3rem);
  color: var(--ink-900);
  margin-top: 4px;
}

h2 {
  font-size: clamp(1.3rem, 2.5vw, 1.65rem);
  color: var(--ink-900);
  margin-bottom: 12px;
}

h3 {
  font-size: 1.2rem;
  color: var(--ink-900);
  margin-bottom: 8px;
}

.tabs {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  padding: 10px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(255, 154, 202, 0.42);
  box-shadow: 0 8px 18px rgba(184, 21, 96, 0.1);
  position: sticky;
  top: 10px;
  z-index: 10;
}

.tab-button {
  border: 0;
  border-radius: 12px;
  padding: 11px 10px;
  background: linear-gradient(165deg, #fff, #ffeef7);
  color: var(--ink-700);
  font-family: "Noto Sans KR", sans-serif;
  font-size: 0.98rem;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.22s ease, box-shadow 0.22s ease, background 0.22s ease, color 0.22s ease;
}

.tab-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 18px rgba(248, 74, 152, 0.22);
}

.tab-button.active {
  background: linear-gradient(135deg, var(--pink-500), var(--pink-600));
  color: #fff;
  box-shadow: 0 10px 24px rgba(222, 36, 122, 0.34);
}

.tab-panel {
  margin-top: 18px;
  animation: fadeIn 0.35s ease;
}

.tab-panel[hidden] {
  display: none !important;
}

.panel-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 16px;
}

.intro-card,
.checklist-card,
.steps-card,
.gallery-card,
.log-item,
.heart-hero,
.footer,
.heart-grid .card {
  padding: 22px;
}

p {
  margin: 0;
  color: var(--ink-700);
  line-height: 1.65;
}

.checklist {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 8px;
  color: var(--ink-700);
}

.checklist li::marker {
  color: var(--pink-600);
}

.steps-card {
  margin-top: 16px;
}

.quickstart-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 14px;
}

.quickstart-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.quickstart-list li {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid rgba(255, 174, 214, 0.44);
  background: linear-gradient(180deg, #fff, #fff3f8);
  box-shadow: inset 0 0 0 1px rgba(255, 209, 231, 0.6);
}

.quickstart-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-900);
  font-weight: 700;
  line-height: 1.5;
}

.inline-step-icon {
  margin-top: 8px;
  display: block;
  max-width: 88px;
  max-height: 70px;
  object-fit: contain;
}

.inline-step-icon.wide {
  max-width: 290px;
  max-height: 78px;
}

.quickstart-list p {
  margin-top: 8px;
}

.quickstart-preview {
  margin: 0;
  padding: 12px;
  border-radius: var(--radius-md);
  border: 1px solid rgba(255, 174, 214, 0.44);
  background: linear-gradient(180deg, #fff, #fff3f8);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.quickstart-preview img {
  width: min(100%, 270px);
  height: auto;
  border-radius: 12px;
  box-shadow: 0 8px 18px rgba(222, 36, 122, 0.14);
}

.quickstart-preview figcaption {
  font-size: 0.92rem;
  color: var(--ink-700);
}

.step-index {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 999px;
  background: linear-gradient(135deg, #ff6fb0, #de247a);
  color: #fff;
  margin-right: 6px;
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.03em;
}

.gallery-card {
  margin-top: 16px;
}

.gallery-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  gap: 14px;
  margin-bottom: 12px;
}

.gallery-head p {
  max-width: 500px;
}

.ui-slider {
  position: relative;
}

.ui-slider-window {
  overflow: hidden;
  border-radius: 16px;
  border: 1px solid rgba(255, 174, 214, 0.44);
}

.ui-preview-track {
  display: flex;
  transition: transform 0.35s ease;
}

.ui-preview-item {
  min-width: 100%;
  display: grid;
  grid-template-columns: minmax(240px, 360px) 1fr;
  grid-template-rows: auto 1fr;
  column-gap: 16px;
  row-gap: 8px;
  align-items: start;
  border: 1px solid rgba(255, 174, 214, 0.44);
  border-radius: 0;
  background: linear-gradient(180deg, #fff, #fff3f8);
  padding: 14px;
  position: relative;
}

.ui-edge-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  width: 74px;
  height: 94px;
  border: 0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.14);
  color: rgba(82, 29, 53, 0.5);
  font-size: 2.6rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  z-index: 5;
  backdrop-filter: blur(1px);
  transition: background 0.2s ease, color 0.2s ease;
}

.ui-edge-arrow:hover {
  background: rgba(255, 255, 255, 0.24);
  color: rgba(82, 29, 53, 0.78);
}

.ui-edge-arrow.prev {
  left: -86px;
}

.ui-edge-arrow.next {
  right: -86px;
}

.ui-slider-controls {
  margin-top: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
}

.ui-slider-arrow {
  min-width: 82px;
  height: 38px;
  border: 1px solid rgba(216, 101, 164, 0.38);
  border-radius: 10px;
  background: rgba(255, 222, 239, 0.48);
  color: rgba(140, 47, 95, 0.9);
  font-size: 0.95rem;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 5px 12px rgba(222, 36, 122, 0.16);
  transition: transform 0.2s ease, filter 0.2s ease;
}

.ui-slider-arrow:hover {
  transform: translateY(-1px);
  filter: brightness(0.98);
}

.ui-slider-pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  min-width: 86px;
}

.ui-slider-pagination .page-dot {
  width: 10px;
  height: 10px;
  border-radius: 2px;
  border: 0;
  background: #efb5d2;
  cursor: pointer;
  transition: transform 0.2s ease, background 0.2s ease;
}

.ui-slider-pagination .page-dot.active {
  background: var(--pink-600);
  transform: translateY(-1px);
}

.ui-crop {
  width: 100%;
  max-width: 360px;
  border-radius: 12px;
  overflow: hidden;
  margin: 0;
  background: #fff;
  box-shadow: inset 0 0 0 1px rgba(255, 209, 231, 0.6);
  grid-column: 1;
  grid-row: 1 / span 2;
  position: relative;
}

.ui-crop img {
  width: 100%;
  height: auto;
  display: block;
}

.ui-preview-item h3 {
  margin: 0;
  grid-column: 2;
  grid-row: 1;
}

.ui-detail-list {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  padding-left: 0;
  list-style: none;
  color: var(--ink-700);
}

.ui-detail-list li {
  position: relative;
  padding-left: 16px;
  line-height: 1.62;
}

.ui-detail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.63em;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: #d64088;
}

.ui-detail-list li + li {
  margin-top: 7px;
}

.hotspot-trigger {
  cursor: pointer;
  border-radius: 6px;
  transition: background 0.2s ease;
}

.hotspot-trigger:hover,
.hotspot-trigger.active {
  background: rgba(255, 210, 233, 0.5);
}

.hotspot-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 3;
}

.hotspot-path {
  fill: none;
  stroke: #39b663;
  stroke-width: 2.3;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: 0;
  transition: opacity 0.16s ease;
}

.hotspot-path.active {
  opacity: 1;
}

.heart-hero {
  margin-bottom: 16px;
}

.heart-icons {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.heart-icons span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 12px;
  border-radius: 999px;
  font-size: 0.92rem;
  color: var(--ink-700);
  background: #ffeaf5;
  border: 1px solid rgba(255, 166, 208, 0.44);
}

.heart-icons img {
  width: 18px;
  height: 18px;
  object-fit: contain;
}

.heart-start-chip {
  display: flex;
  align-items: center;
  gap: 10px;
  padding-right: 14px;
}

.heart-start-chip img {
  width: auto;
  height: auto;
  max-width: none;
  max-height: none;
}

.heart-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

ol,
ul {
  color: var(--ink-700);
  margin-top: 6px;
  margin-bottom: 0;
  padding-left: 20px;
  line-height: 1.65;
}

.warning-card {
  border-color: rgba(255, 129, 183, 0.5);
  background: linear-gradient(180deg, rgba(255, 245, 250, 0.95), rgba(255, 230, 241, 0.82));
}

.warning-card p + p {
  margin-top: 10px;
}

.cta-link {
  display: inline-block;
  margin-top: 14px;
  padding: 10px 16px;
  border-radius: 12px;
  background: linear-gradient(135deg, #ff6eab, #de247a);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 10px 20px rgba(222, 36, 122, 0.28);
  transition: transform 0.2s ease;
}

.cta-link:hover {
  transform: translateY(-1px);
}

.faq-list {
  display: grid;
  gap: 14px;
}

.faq-item {
  padding: 0;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  border: 0;
  background: linear-gradient(135deg, #ff8dc0, #f84a98);
  color: #fff;
  border-radius: 14px;
  padding: 14px 16px;
  font-size: 1.02rem;
  font-weight: 700;
  cursor: pointer;
}

.faq-question[aria-expanded="true"] {
  border-radius: 14px 14px 0 0;
  border-bottom: 1px solid rgba(255, 181, 218, 0.46);
}

.faq-answer {
  margin-top: 0;
  padding: 14px 16px;
  border-top: 0;
  border-radius: 0 0 14px 14px;
  background: #fff;
}

.faq-answer p + p {
  margin-top: 10px;
}

.faq-actions {
  margin-top: 10px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.preview-btn,
.copy-link {
  border: 1px solid rgba(255, 152, 201, 0.45);
  border-radius: 999px;
  padding: 7px 12px;
  background: #fff4fa;
  color: var(--ink-700);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: background 0.2s ease;
}

.preview-btn:hover,
.copy-link:hover {
  background: #ffe5f3;
}

.faq-hover-preview {
  position: fixed;
  display: none;
  z-index: 85;
  pointer-events: none;
  padding: 6px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 10px 24px rgba(27, 10, 19, 0.24);
  border: 1px solid rgba(255, 177, 219, 0.66);
}

.faq-hover-preview img {
  display: block;
  width: auto;
  height: auto;
  max-width: calc(100vw - 52px);
  max-height: calc(100vh - 52px);
}

.update-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.log-item h3 {
  margin-bottom: 8px;
  color: var(--pink-700);
}

.log-item p {
  color: var(--ink-700);
}

.footer {
  margin-top: 18px;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 16px;
  flex-wrap: wrap;
}

.media-button {
  display: block;
  width: min(100%, 132px);
  text-decoration: none;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid rgba(255, 168, 211, 0.48);
  box-shadow: 0 10px 22px rgba(184, 21, 96, 0.2);
  transition: transform 0.2s ease;
}

.media-button:hover {
  transform: translateY(-1px);
}

.media-button img {
  width: 100%;
  height: auto;
  display: block;
}

.footer-contact {
  margin: 0;
  color: var(--ink-500);
  font-size: 0.92rem;
}

.footer-contact a {
  color: var(--ink-700);
}

.image-modal {
  position: fixed;
  inset: 0;
  display: none;
  z-index: 50;
}

.image-modal.is-open {
  display: block;
}

.image-modal-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(26, 10, 18, 0.68);
}

.image-modal-dialog {
  position: relative;
  width: min(900px, calc(100% - 24px));
  margin: 32px auto;
  border-radius: 20px;
  background: #fff;
  padding: 18px;
  box-shadow: var(--shadow-1);
}

.image-modal-dialog img {
  width: 100%;
  max-height: min(78vh, 900px);
  object-fit: contain;
  border-radius: 12px;
  background: #fff;
}

.modal-close {
  margin-left: auto;
  display: block;
  border: 0;
  border-radius: 999px;
  padding: 7px 14px;
  background: #ffe7f3;
  color: var(--ink-700);
  font-weight: 700;
  cursor: pointer;
  margin-bottom: 10px;
}

.toast {
  position: fixed;
  right: 14px;
  bottom: 14px;
  max-width: 320px;
  padding: 11px 14px;
  border-radius: 12px;
  background: rgba(36, 14, 24, 0.88);
  color: #fff;
  font-size: 0.92rem;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.25);
  opacity: 0;
  transform: translateY(8px);
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 70;
}

.toast.show {
  opacity: 1;
  transform: translateY(0);
}

.tab-panel.is-active .card {
  animation: rise 0.45s ease both;
}

.tab-panel.is-active .card:nth-child(2) {
  animation-delay: 0.05s;
}

.tab-panel.is-active .card:nth-child(3) {
  animation-delay: 0.1s;
}

@keyframes float {
  0% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(10px);
  }
  100% {
    transform: translateY(0);
  }
}

@keyframes rise {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@media (max-width: 1100px) {
  .update-list {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 900px) {
  .page-shell {
    width: min(100% - 22px, 1200px);
  }

  .panel-grid,
  .heart-grid {
    grid-template-columns: 1fr;
  }

  .quickstart-layout {
    grid-template-columns: 1fr;
  }

  .quickstart-preview {
    align-items: flex-start;
  }

  .ui-preview-item {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
  }

  .ui-crop {
    max-width: 380px;
    grid-column: 1;
    grid-row: 1;
  }

  .ui-preview-item h3,
  .ui-detail-list {
    grid-column: 1;
  }

  .ui-edge-arrow {
    width: 58px;
    height: 76px;
    font-size: 2.1rem;
  }

  .ui-edge-arrow.prev {
    left: -64px;
  }

  .ui-edge-arrow.next {
    right: -64px;
  }

  .tabs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    top: 8px;
  }
}

@media (max-width: 680px) {
  body {
    font-size: 15px;
  }

  .hero,
  .intro-card,
  .checklist-card,
  .steps-card,
  .gallery-card,
  .log-item,
  .heart-hero,
  .footer,
  .heart-grid .card {
    padding: 16px;
  }

  .brand-wrap {
    align-items: flex-start;
  }

  .brand-icon {
    width: 52px;
    height: 52px;
  }

  .inline-step-icon.wide {
    max-width: 240px;
  }

  .ui-crop {
    max-width: 320px;
  }

  .ui-slider-controls {
    gap: 8px;
  }

  .ui-slider-arrow {
    min-width: 68px;
    height: 34px;
    font-size: 0.86rem;
  }

  .ui-edge-arrow {
    width: 44px;
    height: 60px;
    font-size: 1.7rem;
  }

  .ui-edge-arrow.prev {
    left: -42px;
  }

  .ui-edge-arrow.next {
    right: -42px;
  }

  .faq-question {
    padding: 13px 14px;
  }

  .faq-answer {
    padding: 13px 14px;
  }

  .footer {
    flex-direction: column;
    align-items: flex-start;
  }

  .media-button {
    width: min(44vw, 120px);
  }

  .image-modal-dialog {
    margin: 16px auto;
    padding: 12px;
  }
}