/* casebook/casebook.html — 치료 케이스북 포트폴리오 */

:root {
  --cb-navy: #1a2b4c;
  --cb-navy-dark: #243a66;
  --cb-charcoal: #111111;
  --cb-muted: #5c5c5c;
  --cb-body: #4a4a4a;
  --cb-border: #eaeaea;
  --cb-bg-soft: #f5f6f7;
  --cb-white: #ffffff;
  --cb-max: 75rem;
  --cb-gold: #9a7b4f;
  --cb-gold-soft: #b8956a;
}

.page-portfolio-casebook {
  background: var(--cb-white);
  color: var(--cb-charcoal);
}

.page-portfolio-casebook .page-wrap--journal {
  max-width: var(--cb-max);
  margin: 0 auto;
  padding-left: clamp(1.25rem, 4vw, 2rem);
  padding-right: clamp(1.25rem, 4vw, 2rem);
}

.page-portfolio-casebook h1,
.page-portfolio-casebook p {
  word-break: keep-all;
  overflow-wrap: break-word;
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.page-portfolio-casebook .primary-menu__link.is-active {
  color: var(--cb-navy);
  font-weight: 600;
}

/* ── Hero (journal · left-aligned) ── */
.cb-hero {
  padding: clamp(1.75rem, 5vw, 2.75rem) 0 clamp(1rem, 2.5vw, 1.5rem);
  text-align: left;
}

.cb-hero__inner {
  width: 100%;
  max-width: 75rem;
  margin: 0 auto;
}

.cb-hero__eyebrow {
  margin: 0 0 0.625rem;
  font-size: clamp(0.75rem, 1.6vw, 0.875rem);
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--cb-gold);
}

.cb-hero__title {
  margin: 0 0 clamp(1.125rem, 2.5vw, 1.5rem);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.4;
  letter-spacing: -0.03em;
  color: var(--cb-charcoal);
}

.cb-hero__tagline,
.cb-hero__desc {
  max-width: 36rem;
  font-size: clamp(1rem, 2vw, 1.0625rem);
  font-weight: 400;
  line-height: 1.28;
  letter-spacing: -0.015em;
  color: #4b5563;
}

.cb-hero__tagline {
  margin: 0;
}

.cb-hero__desc {
  margin: 2px 0 0;
}

.cb-notice {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  margin-bottom: 1rem;
  padding: 14px 18px;
  width: 100%;
  background-color: #f9fafb;
  border: 1px solid #eaf0f6;
  border-radius: 12px;
}

.cb-notice__line {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.6;
  letter-spacing: -0.01em;
  text-align: left;
  word-break: keep-all;
  overflow-wrap: break-word;
  color: #555555;
}

.cb-notice__line:first-child {
  margin-bottom: 0.5rem;
}

@media (min-width: 992px) {
  .cb-notice__line {
    white-space: nowrap;
  }
}

.cb-hero__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.5rem;
  margin-top: 0;
  margin-bottom: 0;
  padding: 0;
  list-style: none;
}

.cb-hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cb-navy);
  background: rgba(26, 43, 76, 0.06);
  border: 1px solid rgba(26, 43, 76, 0.12);
  border-radius: 999px;
}

.cb-hero__badge-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: var(--cb-navy);
}

.cb-hero__badge-icon svg {
  width: 100%;
  height: 100%;
}

/* ── Filter bar (category · search · advanced) ── */
.cb-controls {
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
  margin-top: clamp(0.75rem, 2vw, 1rem);
}

.cb-advanced-wrap {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.5rem;
}

.cb-advanced-toggle {
  padding: 0;
  font-family: inherit;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cb-muted);
  background: none;
  border: none;
  cursor: pointer;
  text-decoration: underline;
  text-underline-offset: 0.2em;
  transition: color 0.2s ease;
}

.cb-advanced-toggle:hover {
  color: var(--cb-navy);
}

.cb-advanced-toggle:focus-visible {
  outline: 2px solid var(--cb-navy);
  outline-offset: 2px;
  border-radius: 2px;
}

.cb-advanced-panel.is-collapsed {
  display: none;
}

/* ── Filter pills ── */
.cb-filter {
  margin-top: 0;
  padding-bottom: 0.25rem;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.cb-filter::-webkit-scrollbar {
  display: none;
}

.cb-filter__list {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: min-content;
}

.cb-filter__btn {
  flex-shrink: 0;
  padding: 0.5rem 1rem;
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--cb-charcoal);
  background: var(--cb-white);
  border: 1px solid var(--cb-border);
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.3s ease;
  white-space: nowrap;
}

.cb-filter__btn:hover,
.cb-filter__btn.is-active {
  color: var(--cb-white);
  background: var(--cb-navy);
  border-color: var(--cb-navy);
}

.cb-filter__btn:focus-visible {
  outline: 2px solid var(--cb-navy);
  outline-offset: 2px;
}

/* ── Search toolbar ── */
.cb-toolbar {
  margin-top: 0;
}

.cb-search {
  display: block;
  max-width: 28rem;
}

.cb-search__input {
  width: 100%;
  padding: 0.5625rem 0.875rem;
  font-family: inherit;
  font-size: 0.9375rem;
  color: var(--cb-charcoal);
  background: var(--cb-white);
  border: 1px solid var(--cb-border);
  border-radius: 999px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.cb-search__input::placeholder {
  color: #9ca3af;
}

.cb-search__input:focus {
  outline: none;
  border-color: var(--cb-navy);
  box-shadow: 0 0 0 3px rgba(26, 43, 76, 0.1);
}

/* ── Secondary filters (age · symptom) ── */
.cb-filter--secondary {
  margin-top: 0;
  margin-bottom: 0;
  width: 100%;
}

.cb-filter__list--grouped {
  flex-direction: column;
  align-items: flex-start;
  gap: 0.625rem;
}

.cb-filter__group {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  list-style: none;
}

.cb-filter__group-label {
  flex-shrink: 0;
  min-width: 2.75rem;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--cb-muted);
}

/* ── Case grid ── */
.cb-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: clamp(1rem, 2vw, 1.25rem);
  padding-bottom: clamp(2.5rem, 5vw, 3.5rem);
}

@media (min-width: 640px) {
  .cb-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .cb-hero {
    padding: 1.75rem 0 1rem;
  }

  .cb-hero__title {
    font-size: clamp(1.75rem, 3vw, 2.25rem);
    line-height: 1.35;
    margin-bottom: 1.25rem;
  }

  .cb-hero__tagline,
  .cb-hero__desc {
    font-size: 1.0625rem;
  }

  .cb-hero__desc {
    margin-top: 2px;
  }

  .cb-notice {
    margin-top: 0.75rem;
    margin-bottom: 0.75rem;
    padding: 12px 16px;
  }

  .cb-notice__line {
    font-size: 0.8125rem;
  }

  .cb-controls {
    gap: 0.5rem;
    margin-top: 0.75rem;
  }

  .cb-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.125rem;
    margin-top: 1rem;
  }
}

.cb-card {
  display: flex;
  flex-direction: column;
  background: var(--cb-white);
  border: 1px solid var(--cb-border);
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.03);
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  transition: all 0.3s ease;
}

.cb-card:hover {
  transform: translateY(-6px);
  border-color: rgba(26, 43, 76, 0.18);
  box-shadow: 0 14px 40px rgba(26, 43, 76, 0.1);
}

.cb-card:focus-visible {
  outline: 2px solid var(--cb-navy);
  outline-offset: 3px;
}

.cb-card.is-hidden {
  display: none;
}

.cb-card--highlight {
  outline: 2px solid var(--cb-gold);
  outline-offset: 4px;
}

.cb-card__media {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 1fr;
  aspect-ratio: 16 / 10;
  min-height: 9.5rem;
  background: var(--cb-bg-soft);
  border-bottom: 1px solid var(--cb-border);
}

.cb-card__shot {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.cb-card__shot--before {
  border-right: 1px solid var(--cb-border);
}

.cb-card__shot-placeholder {
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #9ca3af;
}

.cb-card__shot img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.cb-card__label {
  position: absolute;
  top: 0.625rem;
  left: 0.625rem;
  padding: 0.25rem 0.5rem;
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--cb-white);
  background: rgba(17, 17, 17, 0.55);
  border-radius: 4px;
  backdrop-filter: blur(4px);
}

.cb-card__shot--after .cb-card__label {
  left: auto;
  right: 0.625rem;
}

.cb-card__body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: clamp(1.125rem, 2.5vw, 1.375rem);
}

.cb-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 0.75rem;
}

.cb-card__tag {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--cb-navy);
}

.cb-card__patient {
  font-size: 0.75rem;
  font-weight: 500;
  color: #9ca3af;
}

.cb-card__patient::before {
  content: "·";
  margin-right: 0.5rem;
  color: #d1d5db;
}

.cb-card__title {
  margin: 0 0 0.625rem;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.02em;
  color: var(--cb-charcoal);
}

.cb-card__desc {
  margin: 0;
  flex: 1;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--cb-muted);
}

.cb-card__author {
  margin-top: 1.125rem;
  padding-top: 0.875rem;
  border-top: 1px solid var(--cb-border);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: #9ca3af;
}

.cb-empty {
  grid-column: 1 / -1;
  padding: 3rem 1rem;
  text-align: center;
  font-size: 0.9375rem;
  color: var(--cb-muted);
  background: var(--cb-bg-soft);
  border: 1px dashed var(--cb-border);
  border-radius: 12px;
}

.cb-empty.is-hidden {
  display: none;
}