/* ==========================================================================
   FL Case Study Browser — Styles
   Matches the FutureLeaders design system (--fl-* variables)
   ========================================================================== */

/* ==========================================================================
   1. ARCHIVE — FILTER BAR
   ========================================================================== */

.fl-cs-browser {
  max-width: var(--container-max, 80rem);
  margin: 0 auto;
  padding: 0 var(--container-padding, clamp(1.5rem, 3vw, 3rem));
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif);
}

.fl-cs-filters {
  margin-bottom: 2rem;
  padding: 1.25rem 1.5rem;
  background: var(--fl-sand, #EDF2F4);
  border: 1px solid var(--fl-ink-200, #E5E7EB);
  border-radius: var(--fl-radius-lg, 1rem);
}

.fl-cs-filters__row {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  align-items: center;
}

.fl-cs-filters__search {
  flex: 1;
  min-width: 180px;
  padding: 0.75rem 1rem;
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif);
  font-size: 0.9375rem;
  color: var(--fl-ink-700, #373737);
  background: #FFFFFF;
  border: 1px solid var(--fl-ink-200, #E5E7EB);
  border-radius: var(--fl-radius-md, 0.75rem);
  outline: none;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.fl-cs-filters__search:focus {
  border-color: var(--fl-brand-400, #6E8DA5);
  box-shadow: 0 0 0 3px rgba(78, 109, 135, 0.1);
}

.fl-cs-filters__select {
  padding: 0.625rem 2rem 0.625rem 1rem;
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif);
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--fl-ink-700, #373737);
  background: #FFFFFF;
  border: 1px solid var(--fl-ink-200, #E5E7EB);
  border-radius: var(--fl-radius-md, 0.75rem);
  outline: none;
  cursor: pointer;
  transition: border-color 0.2s ease;
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.75rem center;
}

.fl-cs-filters__select:focus {
  border-color: var(--fl-brand-400, #6E8DA5);
}

.fl-cs-filters__btn {
  padding: 0.75rem 1.5rem;
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif);
  font-size: 0.875rem;
  font-weight: 600;
  border: none;
  border-radius: var(--fl-radius-md, 0.75rem);
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
}

.fl-cs-filters__btn--primary {
  background: var(--fl-cta-600, #E89418);
  color: #FFFFFF;
}

.fl-cs-filters__btn--primary:hover {
  background: var(--fl-cta-700, #C47D0E);
  box-shadow: 0 8px 20px -4px rgba(232, 148, 24, 0.3);
  transform: translateY(-1px);
  color: #FFFFFF;
  text-decoration: none;
}

.fl-cs-filters__btn--secondary {
  background: transparent;
  color: var(--fl-ink-600, #525252);
  border: 1px solid var(--fl-ink-200, #E5E7EB);
}

.fl-cs-filters__btn--secondary:hover {
  border-color: var(--fl-ink-400, #9CA3AF);
  color: var(--fl-ink-800, #2D2D2D);
  text-decoration: none;
}

.fl-cs-stats {
  margin-bottom: 1.5rem;
  padding: 0 0.5rem;
}

.fl-cs-stats p {
  font-size: 0.875rem;
  color: var(--fl-ink-500, #6B7280);
  margin: 0;
}

.fl-cs-stats strong {
  color: var(--fl-ink-900, #1A1A1A);
  font-weight: 600;
}

/* ==========================================================================
   2. ARCHIVE — CARD GRID
   ========================================================================== */

.fl-cs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.5rem;
}

.fl-cs-card {
  position: relative;
  background: #FFFFFF;
  border: 1px solid var(--fl-ink-100, #F3F4F6);
  border-radius: var(--fl-radius-lg, 1rem);
  padding: 1.5rem;
  transition: all 0.2s ease;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.fl-cs-card:hover {
  border-color: var(--fl-brand-200, #C0D5E3);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.04);
}

/* Edit button for admin */
.fl-cs-card__edit-btn {
  position: absolute;
  top: 0.75rem;
  right: 0.75rem;
  z-index: 10;
  background: rgba(0, 0, 0, 0.05);
  color: var(--fl-ink-500, #6B7280);
  font-size: 0.7rem;
  font-weight: 600;
  text-decoration: none;
  padding: 0.25rem 0.5rem;
  border-radius: 4px;
  transition: all 0.2s ease;
  line-height: 1;
}

.fl-cs-card__edit-btn:hover {
  background: var(--fl-brand-800, #2C3E50);
  color: #FFFFFF;
  text-decoration: none !important;
}

/* Card header with logo */
.fl-cs-card__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.fl-cs-card__logo-wrapper {
  position: relative;
  width: 40px;
  height: 40px;
  flex-shrink: 0;
}

.fl-cs-card__logo-placeholder {
  width: 100%;
  height: 100%;
  background: var(--fl-brand-50, #EDF2F6);
  color: var(--fl-brand-400, #6E8DA5);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.1rem;
  text-transform: uppercase;
}

.fl-cs-card__logo {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
  background: #F9FAFB; /* Subtle off-white to show white logos */
  border: 1px solid var(--fl-ink-100, #F3F4F6);
  padding: 2px; /* Small breathing room for the logo */
  box-sizing: border-box;
}

.fl-cs-logo-dark-bg {
  background: #1A1A1A !important; /* Dark background from design system */
  border-color: rgba(255, 255, 255, 0.1) !important;
}

.fl-cs-card__company {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--fl-ink-500, #6B7280);
  letter-spacing: 0.02em;
  margin: 0 !important;
  padding: 0 !important;
  line-height: 1.2;
}

.fl-cs-card__title {
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif) !important;
  font-size: 1.05rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 0.5rem;
  color: var(--fl-ink-900, #1A1A1A);
}

.fl-cs-card__title a {
  color: var(--fl-brand-700, #34495E);
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 2px;
  transition: color 0.2s ease;
}

.fl-cs-card__title a:hover {
  color: var(--fl-accent-600, #C41E1A);
  text-decoration-thickness: 2px;
}

.fl-cs-card__excerpt {
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--fl-ink-600, #525252);
  margin: 0 0 1rem;
  flex-grow: 1;
}

/* Technology wrapper */
.fl-cs-card__tech {
  background: var(--fl-sand, #EDF2F4);
  border-radius: var(--fl-radius-md, 0.75rem);
  padding: 0.75rem 1rem;
  margin-bottom: 1.25rem;
}

.fl-cs-card__tech-label {
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--fl-brand-400, #6E8DA5);
  margin-bottom: 0.35rem;
}

.fl-cs-card__tech-text {
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--fl-ink-700, #373737);
}

.fl-cs-card__cta {
  display: inline-flex;
  align-items: center;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--fl-cta-600, #E89418);
  text-decoration: none;
  transition: color 0.2s ease;
  margin-top: auto;
}

.fl-cs-card__cta:hover {
  color: var(--fl-cta-700, #C47D0E);
  text-decoration: none !important;
}

/* Locked card */
.fl-cs-card--locked {
  background: var(--fl-ink-100, #F3F4F6);
  text-align: center;
  justify-content: center;
  align-items: center;
}

.fl-cs-card--locked::before {
  display: none;
}

.fl-cs-card--locked:hover {
  transform: none;
  box-shadow: none;
}

.fl-cs-card--locked__icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.fl-cs-card--locked__title {
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif) !important;
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--fl-ink-400, #9CA3AF);
  margin: 0 0 0.5rem;
}

.fl-cs-card--locked__text {
  font-size: 0.875rem;
  color: var(--fl-ink-400, #9CA3AF);
  margin: 0 0 1rem;
}

.fl-cs-card--locked__btn {
  display: inline-block;
  padding: 0.625rem 1.25rem;
  font-size: 0.8125rem;
  font-weight: 600;
  background: var(--fl-brand-800, #2C3E50);
  color: #FFFFFF;
  border-radius: var(--fl-radius-md, 0.75rem);
  text-decoration: none;
  transition: all 0.2s ease;
}

.fl-cs-card--locked__btn:hover {
  background: var(--fl-brand-700, #34495E);
  color: #FFFFFF;
  text-decoration: none !important;
}

/* ==========================================================================
   3. ARCHIVE — PAGINATION & EMPTY STATE
   ========================================================================== */

.fl-cs-pagination {
  margin-top: 2.5rem;
  text-align: center;
}

.fl-cs-pagination .page-numbers {
  display: inline-block;
  padding: 0.5rem 0.875rem;
  margin: 0 0.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fl-ink-600, #525252);
  background: #FFFFFF;
  border: 1px solid var(--fl-ink-200, #E5E7EB);
  border-radius: var(--fl-radius-sm, 0.5rem);
  text-decoration: none;
  transition: all 0.2s ease;
}

.fl-cs-pagination .page-numbers:hover {
  border-color: var(--fl-brand-400, #6E8DA5);
  color: var(--fl-brand-700, #34495E);
  text-decoration: none !important;
}

.fl-cs-pagination .page-numbers.current {
  background: var(--fl-brand-800, #2C3E50);
  color: #FFFFFF;
  border-color: var(--fl-brand-800, #2C3E50);
}

.fl-cs-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--fl-ink-400, #9CA3AF);
}

.fl-cs-empty__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.fl-cs-empty__text {
  font-size: 1.125rem;
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif) !important;
  color: var(--fl-ink-500, #6B7280);
}

/* ==========================================================================
   4. SINGLE — LAYOUT
   ========================================================================== */

.fl-cs-single {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem var(--container-padding, clamp(1.5rem, 3vw, 3rem));
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif);
}

.fl-cs-single__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fl-ink-500, #6B7280);
  text-decoration: none;
  margin-bottom: 2rem;
  transition: all 0.2s ease;
}

.fl-cs-single__back:hover {
  color: var(--fl-accent-600, #C41E1A);
  gap: 0.75rem;
  text-decoration: none !important;
}

/* Header */
.fl-cs-single__header {
  margin-bottom: 2rem;
}

.fl-cs-single__overline {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--fl-accent-600, #C41E1A);
  margin-bottom: 0.75rem;
}

.fl-cs-single__title {
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif) !important;
  font-size: clamp(1.75rem, 3vw + 0.5rem, 2.5rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--fl-ink-900, #1A1A1A);
  margin: 0 0 1.5rem;
  letter-spacing: -0.015em;
}

/* Content layout: main + sidebar */
.fl-cs-single__layout {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 2.5rem;
  align-items: start;
}

/* ==========================================================================
   5. SINGLE — INFO-BOX (Wikipedia-style sidebar)
   ========================================================================== */

.fl-cs-infobox {
  position: sticky;
  top: 100px;
  background: #FFFFFF;
  border: 1px solid var(--fl-ink-200, #E5E7EB);
  border-radius: var(--fl-radius-lg, 1rem);
  overflow: hidden;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
}

.fl-cs-infobox__header {
  background: var(--fl-brand-900, #1E2D3D);
  color: #FFFFFF;
  padding: 1rem 1.25rem;
  text-align: center;
}

.fl-cs-infobox__header-title {
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif) !important;
  font-size: 0.9375rem;
  font-weight: 600;
  margin: 0;
  letter-spacing: 0.02em;
}

.fl-cs-infobox__logo {
  display: flex;
  justify-content: center;
  padding: 1.25rem;
  background: var(--fl-ink-100, #F3F4F6);
  border-bottom: 1px solid var(--fl-ink-200, #E5E7EB);
}

.fl-cs-infobox__logo img {
  max-height: 56px;
  max-width: 160px;
  object-fit: contain;
}

.fl-cs-infobox__body {
  padding: 0;
}

.fl-cs-infobox__row {
  display: flex;
  padding: 0.75rem 1.25rem;
  border-bottom: 1px solid var(--fl-ink-100, #F3F4F6);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.fl-cs-infobox__row:last-child {
  border-bottom: none;
}

.fl-cs-infobox__label {
  font-weight: 600;
  color: var(--fl-ink-700, #373737);
  min-width: 80px;
  flex-shrink: 0;
}

.fl-cs-infobox__value {
  color: var(--fl-ink-600, #525252);
}

.fl-cs-infobox__value a {
  color: var(--fl-accent-600, #C41E1A);
  text-decoration: none;
}

.fl-cs-infobox__value a:hover {
  text-decoration: underline !important;
}

/* ==========================================================================
   6. SINGLE — CONTENT SECTIONS (Wikipedia block style)
   ========================================================================== */

.fl-cs-section {
  position: relative;
  margin-bottom: 2rem;
  padding: 1.5rem 1.75rem 1.5rem 2rem;
  background: #FFFFFF;
  border: 1px solid var(--fl-ink-200, #E5E7EB);
  border-left: 4px solid var(--fl-brand-700, #34495E);
  border-radius: 0 var(--fl-radius-lg, 1rem) var(--fl-radius-lg, 1rem) 0;
}

.fl-cs-section__heading {
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif) !important;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--fl-ink-900, #1A1A1A);
  margin: 0 0 1rem;
  display: flex;
  align-items: center;
  gap: 0.625rem;
}

.fl-cs-section__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

.fl-cs-section__body {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--fl-ink-600, #525252);
}

.fl-cs-section__body p:last-child {
  margin-bottom: 0;
}

/* Section accent variants */
.fl-cs-section--problem {
  border-left-color: var(--fl-accent-600, #C41E1A);
  background: linear-gradient(135deg, rgba(196, 30, 26, 0.02) 0%, transparent 100%);
}

.fl-cs-section--problem .fl-cs-section__heading {
  color: var(--fl-accent-600, #C41E1A);
}

.fl-cs-section--solution {
  border-left-color: var(--fl-brand-700, #34495E);
  background: linear-gradient(135deg, rgba(44, 62, 80, 0.02) 0%, transparent 100%);
}

.fl-cs-section--solution .fl-cs-section__heading {
  color: var(--fl-brand-700, #34495E);
}

.fl-cs-section--results {
  border-left-color: var(--fl-cta-600, #E89418);
  background: linear-gradient(135deg, rgba(232, 148, 24, 0.03) 0%, transparent 100%);
}

.fl-cs-section--results .fl-cs-section__heading {
  color: var(--fl-cta-700, #C47D0E);
}

/* Source block */
.fl-cs-source {
  margin-top: 1.5rem;
  padding: 1rem 1.25rem;
  background: var(--fl-sand, #EDF2F4);
  border: 1px solid var(--fl-ink-200, #E5E7EB);
  border-radius: var(--fl-radius-md, 0.75rem);
  font-size: 0.875rem;
}

.fl-cs-source__label {
  font-weight: 600;
  color: var(--fl-ink-700, #373737);
  margin-right: 0.5rem;
}

.fl-cs-source a {
  color: var(--fl-accent-600, #C41E1A);
  word-break: break-all;
}

/* ==========================================================================
   7. SINGLE — RESTRICTED VIEW
   ========================================================================== */

.fl-cs-restricted {
  text-align: center;
  padding: 4rem 2rem;
  background: var(--fl-ink-100, #F3F4F6);
  border: 1px solid var(--fl-ink-200, #E5E7EB);
  border-radius: var(--fl-radius-lg, 1rem);
}

.fl-cs-restricted__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.fl-cs-restricted__title {
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif) !important;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--fl-accent-600, #C41E1A);
  margin: 0 0 0.75rem;
}

.fl-cs-restricted__text {
  font-size: 1rem;
  color: var(--fl-ink-500, #6B7280);
  margin: 0 0 1.5rem;
}

.fl-cs-restricted__btn {
  display: inline-block;
  padding: 0.875rem 1.75rem;
  font-size: 1rem;
  font-weight: 600;
  background: var(--fl-cta-600, #E89418);
  color: #FFFFFF;
  border-radius: var(--fl-radius-md, 0.75rem);
  text-decoration: none;
  transition: all 0.2s ease;
}

.fl-cs-restricted__btn:hover {
  background: var(--fl-cta-700, #C47D0E);
  box-shadow: 0 10px 25px -5px rgba(232, 148, 24, 0.3);
  transform: translateY(-2px);
  color: #FFFFFF;
  text-decoration: none !important;
}

/* ==========================================================================
   8. RESPONSIVE
   ========================================================================== */

@media (max-width: 900px) {
  .fl-cs-single__layout {
    grid-template-columns: 1fr;
  }

  .fl-cs-infobox {
    position: static;
    order: -1;
  }
}

@media (max-width: 768px) {
  .fl-cs-grid {
    grid-template-columns: 1fr;
  }

  .fl-cs-filters__row {
    flex-direction: column;
  }

  .fl-cs-filters__search,
  .fl-cs-filters__select {
    width: 100%;
  }

  .fl-cs-filters__btn {
    width: 100%;
    text-align: center;
  }

  .fl-cs-card {
    padding: 1.5rem;
  }

  .fl-cs-section {
    padding: 1.25rem 1.25rem 1.25rem 1.5rem;
  }
}

@media (max-width: 480px) {
  .fl-cs-single {
    padding: 1.5rem 1.25rem;
  }

  .fl-cs-single__title {
    font-size: 1.5rem;
  }
}

/* ==========================================================================
   9. POLAND BADGE — Flag pin icon for Polish case studies
   ========================================================================== */

.fl-cs-poland-badge {
  width: 24px;
  height: auto;
  object-fit: contain;
  vertical-align: middle;
  flex-shrink: 0;
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Badge in the card header — pushed to the right */
.fl-cs-card__header .fl-cs-poland-badge {
  margin-left: auto;
}

/* Badge next to h1 title on single view */
.fl-cs-poland-badge--title {
  width: 32px;
  margin-left: 0.5rem;
  position: relative;
  top: -2px;
}

/* Infobox value with Poland badge */
.fl-cs-infobox__value--polish {
  display: flex;
  align-items: center;
  gap: 0.375rem;
}
.fl-cs-infobox__value--polish .fl-cs-poland-badge {
  width: 24px;
  box-shadow: none;
}

/* Polish card subtle highlight — red-white gradient accent */
.fl-cs-card--polish {
  border: 1px solid var(--fl-ink-200, #E5E7EB);
}
.fl-cs-card--polish::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--fl-accent-500, #E6231E) 0%, var(--fl-accent-500, #E6231E) 50%, var(--fl-ink-200, #E5E7EB) 50%, var(--fl-ink-200, #E5E7EB) 100%);
  border-radius: var(--fl-radius-lg, 1rem) var(--fl-radius-lg, 1rem) 0 0;
  opacity: 1;
}

/* ==========================================================================
   10. FILTER TOGGLE — Polish-only checkbox with flag icon
   ========================================================================== */

.fl-cs-filters__toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1rem;
  font-family: var(--fl-font-body, 'Plus Jakarta Sans', system-ui, sans-serif);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--fl-ink-600, #525252);
  background: #FFFFFF;
  border: 1px solid var(--fl-ink-200, #E5E7EB);
  border-radius: var(--fl-radius-md, 0.75rem);
  cursor: pointer;
  transition: all 0.2s ease;
  white-space: nowrap;
  user-select: none;
}

.fl-cs-filters__toggle:hover {
  border-color: var(--fl-ink-400, #9CA3AF);
  color: var(--fl-ink-800, #2D2D2D);
}

.fl-cs-filters__toggle:has(input:checked) {
  border-color: #DC143C;
  background: rgba(220, 20, 60, 0.06);
  color: #DC143C;
  font-weight: 600;
}

.fl-cs-filters__toggle input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: #DC143C;
  cursor: pointer;
}

.fl-cs-filters__toggle-icon {
  width: 20px;
  height: 20px;
  object-fit: contain;
}

@media (max-width: 768px) {
  .fl-cs-filters__toggle {
    width: 100%;
    justify-content: center;
  }
}