/**
 * POSH Insights frontend styles.
 */

.epi-wrap {
  --epi-brand: #064e96;
  --epi-accent: #1472b2;
  --epi-muted: #54708d;
  --epi-line: #d9e6f6;
  --epi-bg: #f8fbff;
  --epi-radius: 14px;
  --epi-shadow: 0 8px 24px rgba(11, 35, 58, 0.08);
  max-width: min(1180px, calc(100% - 2rem));
  margin: 0 auto 48px;
  font-family: "Nunito Sans", "Inter", "Segoe UI", Roboto, Arial, sans-serif;
  color: #0d2238;
  position: relative;
}

.epi-wrap.is-loading {
  pointer-events: none;
  opacity: 0.74;
}

.epi-wrap.is-loading::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.62);
  z-index: 40;
}

.epi-loading-indicator {
  position: absolute;
  top: 50%;
  left: 50%;
  z-index: 45;
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  padding: 20px 28px;
  border-radius: var(--epi-radius);
  border: 1px solid var(--epi-line);
  background: #fff;
  color: var(--epi-brand);
  font-size: 14px;
  font-weight: 700;
  box-shadow: var(--epi-shadow);
  transform: translate(-50%, -50%);
  min-width: 180px;
  text-align: center;
}

.epi-wrap.is-loading .epi-loading-indicator {
  display: flex;
}

.epi-loading-spinner {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 2px solid #d8e7f8;
  border-top-color: var(--epi-accent);
  animation: epi-spin 0.7s linear infinite;
}

@keyframes epi-spin {
  to {
    transform: rotate(360deg);
  }
}

/* ── Centered page header ── */
.epi-head {
  padding: 32px 0 24px;
  text-align: center;
  border-bottom: 1px solid var(--epi-line);
  background:
    radial-gradient(900px 420px at 50% 0%, rgba(47, 144, 239, 0.08), transparent 72%),
    #fff;
}

.epi-kicker {
  display: inline-flex;
  align-items: center;
  margin-bottom: 12px;
  padding: 6px 12px;
  border-radius: 999px;
  background: #fff7e6;
  border: 1px solid #f5d08a;
  color: #8a5b00;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.epi-head__title {
  margin: 0 0 10px;
  font-size: clamp(1.75rem, 1.2rem + 1.5vw, 2.35rem);
  font-weight: 800;
  color: var(--epi-brand);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.epi-head__lead {
  margin: 0 auto 20px;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.6;
  color: var(--epi-muted);
}

.epi-head__toolbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 12px 16px;
  margin-top: 4px;
}

.epi-source-tabs {
  position: sticky;
  top: 10px;
  z-index: 20;
  display: inline-flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--epi-line);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(6px);
}

.epi-source-tab {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 7px 14px;
  border-radius: 999px;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  color: var(--epi-muted);
}

.epi-source-tab:hover {
  background: var(--epi-bg);
  color: var(--epi-brand);
}

.epi-source-tab.is-active {
  background: var(--epi-accent);
  color: #fff;
}

.epi-filter {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0;
}

.epi-filter__label {
  font-size: 13px;
  font-weight: 700;
  color: var(--epi-muted);
}

.epi-filter__select {
  padding: 8px 12px;
  border: 1px solid var(--epi-line);
  border-radius: 8px;
  background: var(--epi-bg);
  color: #0d2238;
  font-size: 14px;
  font-family: inherit;
}

.epi-head__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
}

.epi-team-note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.5;
  color: var(--epi-muted);
}

/* ── Sections & grids ── */
.epi-section {
  margin-top: 28px;
}

.epi-section__title {
  margin: 0 0 16px;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--epi-brand);
}

.epi-grid {
  display: grid;
  gap: 20px;
}

.epi-grid--featured {
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.epi-grid--posts {
  grid-template-columns: 1fr;
}

@media (min-width: 700px) {
  .epi-grid--posts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .epi-grid--posts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .epi-card--video .epi-card__media--video[data-epi-aspect="portrait"] {
    max-width: 300px;
    margin-inline: auto;
  }
}

/* ── Vertical cards ── */
.epi-card {
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid var(--epi-line);
  border-radius: var(--epi-radius);
  box-shadow: var(--epi-shadow);
  overflow: hidden;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.epi-wrap.is-ready .epi-card {
  animation: epi-card-enter 220ms ease both;
}

@keyframes epi-card-enter {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.epi-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(11, 35, 58, 0.1);
}

.epi-card--featured {
  border-color: rgba(20, 114, 178, 0.28);
}

.epi-card--recommendation {
  grid-column: 1 / -1;
  border-style: dashed;
}

.epi-card__media {
  aspect-ratio: 16 / 9;
  background: #eaf4ff;
}

.epi-card__media--placeholder {
  background:
    linear-gradient(135deg, rgba(20, 114, 178, 0.12), rgba(6, 78, 150, 0.06)),
    #eaf4ff;
}

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

.epi-card__media--video {
  position: relative;
  cursor: pointer;
}

.epi-card__media--video[data-epi-aspect="portrait"] {
  aspect-ratio: 9 / 16;
}

.epi-card__media--video[data-epi-aspect="square"] {
  aspect-ratio: 1 / 1;
}

.epi-card__media--video[data-epi-aspect="portrait"] .epi-card__video-stage video {
  object-fit: contain;
}

.epi-card__media--video[data-epi-aspect="portrait"] .epi-card__play-icon {
  width: 58px;
  height: 58px;
}

.epi-card__media--video[data-epi-aspect="portrait"] .epi-card__play-icon::after {
  border-width: 10px 0 10px 16px;
}

.epi-card__video-stage,
.epi-card__video-poster {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
}

.epi-card__video-stage iframe,
.epi-card__video-stage video {
  display: block;
  width: 100%;
  height: 100%;
  border: 0;
  object-fit: cover;
  background: #000;
}

.epi-card__video-poster {
  object-fit: cover;
  z-index: 1;
  transition: opacity 0.2s ease;
}

.epi-card__play {
  position: absolute;
  inset: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  border: 0;
  background: rgba(6, 30, 52, 0.18);
  cursor: pointer;
  transition: background 0.2s ease;
}

.epi-card__play:hover,
.epi-card__play:focus-visible {
  background: rgba(6, 30, 52, 0.32);
  outline: none;
}

.epi-card__play-icon {
  width: 62px;
  height: 62px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 10px 24px rgba(6, 30, 52, 0.22);
  position: relative;
}

.epi-card__play-icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 54%;
  transform: translate(-50%, -50%);
  border-style: solid;
  border-width: 11px 0 11px 18px;
  border-color: transparent transparent transparent var(--epi-brand);
}

.epi-card__media--video.is-playing .epi-card__play,
.epi-card__media--video.is-playing .epi-card__video-poster {
  opacity: 0;
  pointer-events: none;
}

.epi-card__media--video.is-playing .epi-card__video-stage {
  z-index: 3;
}

.epi-card__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  padding: 16px 18px 18px;
}

.epi-card__meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 12px;
}

.epi-card__date {
  color: var(--epi-muted);
}

.epi-card__title {
  margin: 0 0 8px;
  font-size: 1.05rem;
  line-height: 1.35;
  font-weight: 800;
  color: #0d2238;
}

.epi-card__topics {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 8px;
}

.epi-tag {
  display: inline-block;
  padding: 3px 8px;
  border-radius: 999px;
  background: var(--epi-bg);
  border: 1px solid var(--epi-line);
  font-size: 11px;
  font-weight: 600;
  color: var(--epi-muted);
}

.epi-tag--source {
  background: #eef5ff;
  color: #0f5f96;
  border-color: #cfe1f5;
}

.epi-card__excerpt {
  margin: 0 0 14px;
  flex: 1;
  font-size: 14px;
  line-height: 1.55;
  color: var(--epi-muted);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.epi-card__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.epi-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 9px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none !important;
  line-height: 1.3;
  transition: background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.epi-btn--primary {
  background: var(--epi-accent);
  color: #fff !important;
}

.epi-btn--primary:hover {
  background: #0f5f96;
  color: #fff !important;
}

.epi-btn--ghost {
  background: #fff;
  color: var(--epi-brand) !important;
  border: 1px solid var(--epi-line);
}

.epi-btn--ghost:hover {
  background: var(--epi-bg);
  color: var(--epi-brand) !important;
}

.epi-btn--linkedin {
  background: #0a66c2;
  color: #fff !important;
}

.epi-btn--linkedin:hover {
  background: #004182;
  color: #fff !important;
}

.epi-card--collapsed {
  display: none;
}

.epi-view-more-wrap {
  margin-top: 20px;
  text-align: center;
}

.epi-social-block,
.epi-category-block {
  margin-top: 18px;
}

.epi-category-block + .epi-category-block {
  margin-top: 28px;
  padding-top: 8px;
  border-top: 1px solid var(--epi-line);
}

.epi-social-block__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 12px;
}

.epi-social-block__title {
  margin: 0;
  font-size: 1.1rem;
  color: var(--epi-brand);
  font-weight: 800;
}

.epi-empty,
.epi-access-notice {
  padding: 28px 24px;
  border-radius: var(--epi-radius);
  background: var(--epi-bg);
  border: 1px dashed var(--epi-line);
  text-align: center;
  color: var(--epi-muted);
}

.epi-empty p,
.epi-access-notice p {
  margin: 0 0 14px;
}

@media (max-width: 640px) {
  .epi-wrap {
    max-width: min(1180px, calc(100% - 1.1rem));
  }

  .epi-head__toolbar {
    flex-direction: column;
  }

  .epi-filter {
    width: 100%;
    justify-content: center;
  }

  .epi-filter__select {
    flex: 1;
    max-width: 220px;
  }
}