/* ─────────────────────────────────────────────────────────────────────────────
   City Skills Current Affairs Engine — Public Styles
   Author: Chukwuemeka Princewill
   ───────────────────────────────────────────────────────────────────────────── */

:root {
  --cscae-navy:     #1a3557;
  --cscae-blue:     #1e5fa8;
  --cscae-sky:      #4fc3f7;
  --cscae-sky-lt:   #e0f7fe;
  --cscae-white:    #ffffff;
  --cscae-surface:  #f8fafc;
  --cscae-border:   #dde3ed;
  --cscae-text:     #1c2d3a;
  --cscae-muted:    #546e7a;
  --cscae-green:    #2e7d32;
  --cscae-green-lt: #e8f5e9;
  --cscae-amber:    #e65100;
  --cscae-amber-lt: #fff3e0;
  --cscae-radius:   12px;
  --cscae-shadow:   0 2px 14px rgba(26,53,87,.10);
  --cscae-shadow-md:0 6px 28px rgba(26,53,87,.15);
}

/* ══════════════════════════════════════════════════════════════════════════════
   BANNER / CAROUSEL
   ══════════════════════════════════════════════════════════════════════════════ */

.cscae-banner {
  position: relative; overflow: hidden;
  border-radius: var(--cscae-radius);
  box-shadow: var(--cscae-shadow-md);
  background: var(--cscae-navy);
  min-height: 420px;
  user-select: none;
}

/* Track & Slides */
.cscae-banner__track { position: relative; height: 100%; }

.cscae-banner__slide {
  position: absolute; inset: 0;
  opacity: 0; pointer-events: none;
  transition: opacity .6s cubic-bezier(.4,0,.2,1), transform .6s cubic-bezier(.4,0,.2,1);
  transform: translateX(40px);
  min-height: 420px;
  display: flex; flex-direction: column;
}
.cscae-banner__slide.is-active {
  opacity: 1; pointer-events: auto;
  transform: translateX(0);
  position: relative;
}
.cscae-banner__slide.is-leaving {
  opacity: 0; transform: translateX(-40px);
}

/* Background Image */
.cscae-banner__image {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
  transition: transform 8s ease;
}
.cscae-banner__slide.is-active .cscae-banner__image { transform: scale(1.04); }
.cscae-banner__image--placeholder { display: flex; align-items: center; justify-content: center; }
.cscae-banner__image--placeholder svg { width: 100%; height: 100%; object-fit: cover; }

/* Dark Overlay */
.cscae-banner__overlay {
  position: absolute; inset: 0;
  background: linear-gradient(
    to top,
    rgba(10,22,40,.92) 0%,
    rgba(10,22,40,.6)  50%,
    rgba(10,22,40,.2)  100%
  );
}

/* Content */
.cscae-banner__content {
  position: relative; z-index: 2;
  padding: 36px 40px;
  margin-top: auto;
  display: flex; flex-direction: column; gap: 10px;
}

.cscae-banner__pin-badge {
  display: inline-block; padding: 4px 12px;
  background: rgba(79,195,247,.2); border: 1px solid rgba(79,195,247,.4);
  border-radius: 20px; color: var(--cscae-sky);
  font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  width: fit-content;
}

.cscae-banner__subjects {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.cscae-banner__subject-tag {
  display: inline-block; padding: 4px 12px;
  background: rgba(255,255,255,.12); border: 1px solid rgba(255,255,255,.2);
  border-radius: 20px; color: rgba(255,255,255,.9);
  font-size: 12px; font-weight: 600; backdrop-filter: blur(4px);
}

.cscae-banner__title {
  font-size: clamp(18px, 3vw, 26px); font-weight: 800;
  line-height: 1.25; margin: 0; color: #fff;
  text-shadow: 0 2px 12px rgba(0,0,0,.3);
}
.cscae-banner__title a {
  color: inherit; text-decoration: none;
  transition: color .15s;
}
.cscae-banner__title a:hover { color: var(--cscae-sky); }

.cscae-banner__excerpt {
  margin: 0; color: rgba(255,255,255,.8);
  font-size: 14px; line-height: 1.6;
  max-width: 680px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
  line-clamp: 2;
}

.cscae-banner__footer {
  display: flex; align-items: center; justify-content: space-between;
  flex-wrap: wrap; gap: 12px; margin-top: 6px;
}
.cscae-banner__source-info {
  display: flex; gap: 16px; font-size: 13px; color: rgba(255,255,255,.65);
}
.cscae-banner__read-btn {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 10px 22px; border-radius: 8px;
  background: var(--cscae-sky); color: var(--cscae-navy);
  font-weight: 700; font-size: 13px; text-decoration: none;
  transition: background .15s, transform .15s;
  white-space: nowrap;
}
.cscae-banner__read-btn:hover {
  background: #fff; transform: translateY(-1px);
}

/* Navigation Arrows */
.cscae-banner__nav {
  position: absolute; top: 50%; transform: translateY(-50%);
  z-index: 3; width: 44px; height: 44px;
  background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.25);
  border-radius: 50%; color: #fff; font-size: 18px;
  cursor: pointer; transition: background .15s, border-color .15s;
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: center;
}
.cscae-banner__nav:hover { background: rgba(255,255,255,.3); border-color: rgba(255,255,255,.5); }
.cscae-banner__nav--prev { left: 16px; }
.cscae-banner__nav--next { right: 16px; }

/* Dots */
.cscae-banner__dots {
  position: absolute; bottom: 16px; left: 50%; transform: translateX(-50%);
  z-index: 3; display: flex; gap: 8px;
}
.cscae-banner__dot {
  width: 8px; height: 8px; border-radius: 4px;
  background: rgba(255,255,255,.35); border: none;
  cursor: pointer; padding: 0; transition: width .25s, background .25s;
}
.cscae-banner__dot.is-active {
  width: 28px; background: var(--cscae-sky);
}

/* Progress Bar */
.cscae-banner__progress-bar {
  position: absolute; bottom: 0; left: 0; right: 0;
  height: 3px; background: rgba(255,255,255,.1); z-index: 3;
}
.cscae-banner__progress-fill {
  height: 100%; width: 0%;
  background: var(--cscae-sky);
  transition: width linear;
}

/* Empty */
.cscae-banner.cscae-empty {
  min-height: 80px; display: flex; align-items: center; justify-content: center;
  background: var(--cscae-surface); border: 1px dashed var(--cscae-border);
}
.cscae-banner.cscae-empty p { color: var(--cscae-muted); font-size: 14px; margin: 0; }

/* ══════════════════════════════════════════════════════════════════════════════
   NEWS HUB
   ══════════════════════════════════════════════════════════════════════════════ */

.cscae-hub { max-width: 100%; }

.cscae-hub__header { margin-bottom: 32px; }
.cscae-hub__title {
  font-size: clamp(22px, 3vw, 32px); font-weight: 800;
  color: var(--cscae-navy); margin: 0 0 8px;
}
.cscae-hub__subtitle { color: var(--cscae-muted); font-size: 15px; margin: 0 0 20px; }

/* Filter Buttons */
.cscae-hub__filters { display: flex; flex-wrap: wrap; gap: 8px; }
.cscae-hub__filter-btn {
  padding: 7px 16px; border-radius: 24px; font-size: 13px; font-weight: 600;
  border: 2px solid var(--cscae-border); background: var(--cscae-white);
  color: var(--cscae-muted); cursor: pointer; transition: all .15s;
  display: inline-flex; align-items: center; gap: 6px;
}
.cscae-hub__filter-btn:hover { border-color: var(--cscae-blue); color: var(--cscae-blue); }
.cscae-hub__filter-btn.is-active {
  background: var(--cscae-navy); color: #fff; border-color: var(--cscae-navy);
}
.cscae-hub__filter-count {
  background: rgba(0,0,0,.1); border-radius: 10px;
  padding: 1px 7px; font-size: 11px;
}
.cscae-hub__filter-btn.is-active .cscae-hub__filter-count { background: rgba(255,255,255,.2); }

/* Grid */
.cscae-hub__grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 24px;
}

/* Cards */
.cscae-hub__card {
  background: var(--cscae-white); border: 1px solid var(--cscae-border);
  border-radius: var(--cscae-radius); overflow: hidden;
  box-shadow: var(--cscae-shadow); display: flex; flex-direction: column;
  transition: transform .2s ease, box-shadow .2s ease;
}
.cscae-hub__card:hover {
  transform: translateY(-4px); box-shadow: var(--cscae-shadow-md);
}
.cscae-hub__card.is-hidden { display: none; }

.cscae-hub__card-image {
  position: relative; height: 180px; overflow: hidden; background: var(--cscae-navy);
}
.cscae-hub__card-image img {
  width: 100%; height: 100%; object-fit: cover;
  transition: transform .4s ease;
}
.cscae-hub__card:hover .cscae-hub__card-image img { transform: scale(1.05); }
.cscae-hub__card-placeholder { height: 100%; display: flex; align-items: center; justify-content: center; }
.cscae-hub__card-placeholder svg { width: 100%; height: 100%; object-fit: cover; }

.cscae-hub__card-subjects {
  position: absolute; bottom: 10px; left: 10px;
  background: rgba(26,53,87,.85); color: var(--cscae-sky);
  padding: 3px 10px; border-radius: 20px; font-size: 11px; font-weight: 700;
  backdrop-filter: blur(4px);
  max-width: calc(100% - 20px); overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.cscae-hub__card-body { padding: 18px 20px; flex: 1; display: flex; flex-direction: column; gap: 10px; }

.cscae-hub__card-title {
  font-size: 15px; font-weight: 700; line-height: 1.4;
  margin: 0; color: var(--cscae-navy);
}
.cscae-hub__card-title a { color: inherit; text-decoration: none; }
.cscae-hub__card-title a:hover { color: var(--cscae-blue); }

.cscae-hub__card-why { margin: 0; font-size: 13px; color: var(--cscae-text); line-height: 1.5; }
.cscae-hub__card-why strong { color: var(--cscae-blue); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; display: block; margin-bottom: 3px; }
.cscae-hub__card-excerpt { margin: 0; font-size: 13px; color: var(--cscae-muted); line-height: 1.5; }

.cscae-hub__card-meta {
  display: flex; gap: 12px; font-size: 12px; color: var(--cscae-muted);
  flex-wrap: wrap; margin-top: auto;
}

.cscae-hub__card-footer {
  padding: 12px 20px; border-top: 1px solid var(--cscae-border);
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
}
.cscae-hub__relevance {
  font-size: 11px; font-weight: 700; padding: 3px 10px; border-radius: 20px;
}
.cscae-hub__relevance--high { background: var(--cscae-green-lt); color: var(--cscae-green); }
.cscae-hub__relevance--mid  { background: var(--cscae-amber-lt); color: var(--cscae-amber); }

.cscae-hub__card-link {
  font-size: 13px; font-weight: 700; color: var(--cscae-blue);
  text-decoration: none; transition: gap .15s;
}
.cscae-hub__card-link:hover { text-decoration: underline; }

.cscae-hub__empty { padding: 60px 20px; text-align: center; color: var(--cscae-muted); }

/* ══════════════════════════════════════════════════════════════════════════════
   LATEST WIDGET
   ══════════════════════════════════════════════════════════════════════════════ */

.cscae-latest {
  background: var(--cscae-white); border: 1px solid var(--cscae-border);
  border-radius: var(--cscae-radius); overflow: hidden;
  box-shadow: var(--cscae-shadow);
}
.cscae-latest__header {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 18px; background: var(--cscae-navy); color: #fff;
}
.cscae-latest__title { font-weight: 700; font-size: 14px; }
.cscae-latest__list { list-style: none; margin: 0; padding: 0; }
.cscae-latest__item {
  padding: 14px 18px; border-bottom: 1px solid var(--cscae-border);
  display: flex; flex-direction: column; gap: 4px;
  transition: background .12s;
}
.cscae-latest__item:last-child { border-bottom: none; }
.cscae-latest__item:hover { background: var(--cscae-surface); }
.cscae-latest__tag {
  font-size: 10px; font-weight: 700; text-transform: uppercase; letter-spacing: .08em;
  color: var(--cscae-blue);
}
.cscae-latest__link {
  font-size: 14px; font-weight: 600; color: var(--cscae-navy);
  text-decoration: none; line-height: 1.4;
}
.cscae-latest__link:hover { color: var(--cscae-blue); }
.cscae-latest__source { font-size: 11px; color: var(--cscae-muted); }

/* ══════════════════════════════════════════════════════════════════════════════
   RESPONSIVE
   ══════════════════════════════════════════════════════════════════════════════ */

@media (max-width: 768px) {
  .cscae-banner { min-height: 340px; }
  .cscae-banner__content { padding: 24px 20px; }
  .cscae-banner__title { font-size: 17px; }
  .cscae-banner__excerpt { display: none; }
  .cscae-banner__nav { display: none; }
  .cscae-hub__grid { grid-template-columns: 1fr; }
  .cscae-hub__card-image { height: 140px; }
}

@media (max-width: 480px) {
  .cscae-banner__footer { flex-direction: column; align-items: flex-start; }
  .cscae-hub__filters { display: none; }
}