/* =============================================================================
   Project Showcase – style.css
   Post type: project | Taxonomy: danh-muc-du-an
   ============================================================================= */

/* ── Google Font ── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ── CSS Custom Properties ── */
:root {
  --psc-bg:            #0a0a0a;
  --psc-card-bg:       #111111;
  --psc-accent:        #c8a84b;       /* Vàng đồng – giống hình */
  --psc-accent-light:  #e2c97a;
  --psc-accent-dark:   #9e7e30;
  --psc-text:          #f0ede6;
  --psc-text-muted:    #9e9b95;
  --psc-tab-bg:        transparent;
  --psc-tab-active-bg: #c8a84b;
  --psc-tab-active-fg: #0a0a0a;
  --psc-border:        rgba(200,168,75,0.25);
  --psc-overlay-start: rgba(10,10,10,0.10);
  --psc-overlay-end:   rgba(10,10,10,0.88);
  --psc-radius:        8px;
  --psc-gap:           24px;
  --psc-transition:    0.35s cubic-bezier(0.4, 0, 0.2, 1);
  --psc-font:          'Inter', sans-serif;
}

.psc-wrapper {
  font-family: var(--psc-font);
  color: var(--psc-text);
  box-sizing: border-box;
  position: relative;
}

*, *::before, *::after { box-sizing: inherit; }

/* ─────────────────────────────────────────────
   TAB FILTER
───────────────────────────────────────────── */
.psc-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-bottom: 36px;
  justify-content: center;
}

.psc-tab {
  font-size: 14px;
  font-weight: 500;
  line-height: 150%;
  height: 40px;
  letter-spacing: 0;
  color: var(--fs-color-base);
  background: #ffffff;
  border: 1.5px solid #efefef;
  padding: 6px 24px;
  cursor: pointer;
  transition:
    background var(--psc-transition),
    color var(--psc-transition),
    border-color var(--psc-transition),
    transform 0.2s ease,
    box-shadow var(--psc-transition);
  outline: none;
  position: relative;
  overflow: hidden;
  margin: 0;
}

/* shimmer trước khi active */
.psc-tab::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, transparent 30%, rgba(11,100,36,0.12) 50%, transparent 70%);
  transform: translateX(-100%);
  transition: transform 0.5s ease;
}

.psc-tab:hover::before { transform: translateX(100%); }

.psc-tab:hover,
.psc-tab:focus-visible {
  border-color: var(--primary-color);
  color: var(--primary-color);
  transform: translateY(-1px);
}

.psc-tab--active {
  background: var(--primary-color);
  color: #ffffff;
  border-color: var(--primary-color);
  transform: none;
}

.psc-tab--active::before { display: none; }

/* ─────────────────────────────────────────────
   GRID
───────────────────────────────────────────── */
.psc-grid {
  display: grid;
  gap: var(--psc-gap);
  min-height: 200px;
  position: relative;
}

.psc-wrapper[data-columns="2"] .psc-grid { grid-template-columns: repeat(2, 1fr); }
.psc-wrapper[data-columns="3"] .psc-grid { grid-template-columns: repeat(3, 1fr); }
.psc-wrapper[data-columns="4"] .psc-grid { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .psc-wrapper[data-columns="2"] .psc-grid,
  .psc-wrapper[data-columns="3"] .psc-grid,
  .psc-wrapper[data-columns="4"] .psc-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 640px) {
  .psc-wrapper[data-columns="2"] .psc-grid,
  .psc-wrapper[data-columns="3"] .psc-grid,
  .psc-wrapper[data-columns="4"] .psc-grid { grid-template-columns: 1fr; }
}

/* No posts message */
.psc-no-posts {
  grid-column: 1 / -1;
  text-align: center;
  color: var(--psc-text-muted);
  padding: 60px 0;
  font-size: 1rem;
}

/* ─────────────────────────────────────────────
   CARD
───────────────────────────────────────────── */
.psc-card {
  position: relative;
  overflow: hidden;
  background: var(--psc-card-bg);
  aspect-ratio: 3 / 2;
  /* Animate-in */
  animation: pscFadeUp 0.45s ease both;
}

@keyframes pscFadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Stagger delay khi load more */
.psc-card:nth-child(3n+2) { animation-delay: 0.07s; }
.psc-card:nth-child(3n+3) { animation-delay: 0.14s; }

.psc-card__link {
  display: block;
  width: 100%;
  height: 100%;
  text-decoration: none;
  color: inherit;
  position: relative;
}

/* ── Ảnh nền ── */
.psc-card__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.55s cubic-bezier(0.4, 0, 0.2, 1);
  will-change: transform;
}

.psc-card:hover .psc-card__bg {
  transform: scale(1.06);
}

/* ── Overlay ── */
.psc-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    var(--psc-overlay-start) 0%,
    rgba(10,10,10,0) 50%,
    var(--psc-overlay-end) 100%
  );
  transition: background var(--psc-transition);
}

.psc-card:hover .psc-card__overlay {
  background: linear-gradient(
    to bottom,
    rgba(10,10,10,0.20) 0%,
    rgba(10,10,10,0.60) 50%,
    rgba(10,10,10,0.92) 100%
  );
}

/* ── Body ── */
.psc-card__body {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 15px;
  width: 100%;
}

/* ── Header ── */

/* ── Highlights (điểm nổi bật) ── */
.psc-card__highlights {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
  justify-content: center;
}

.psc-card__highlight-item {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--psc-text-muted);
  display: flex;
  align-items: flex-start;
  gap: 6px;
  line-height: 1.4;
  transition: color var(--psc-transition);
  background: rgba(200,168,75,0.08);
  border-left: 2px solid var(--psc-accent-dark);
  padding: 3px 8px;
}

.psc-card:hover .psc-card__highlight-item {
  color: var(--psc-text);
}

.psc-card__highlight-icon {
  color: var(--psc-accent);
  flex-shrink: 0;
  font-size: 0.55rem;
  margin-top: 2px;
}

/* ── Footer ── */
.psc-card__footer {
  display: flex;
  flex-direction: column;
  gap: 2px;
  transition: border-color var(--psc-transition);
}

.psc-card:hover .psc-card__footer {
  border-color: rgba(200,168,75,0.45);
}

.psc-card__category {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  padding: 2px 8px;
  margin-bottom: 8px;
  background-color: rgba(255, 255, 255, .25);
  border: 1px solid rgba(255, 255, 255, .25);
  color: #ffffff;
  border-radius: 99px;
  width: max-content;
}

.psc-card__name {
  font-size: 1rem;
  font-weight: 700;
  color: #ffffff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  text-transform: uppercase;
}

/* ─────────────────────────────────────────────
   LOAD MORE
───────────────────────────────────────────── */
.psc-loadmore-wrap {
  display: flex;
  justify-content: center;
  margin-top: 25px;
}

.psc-loadmore-btn {
  font-family: var(--psc-font);
  font-size: 0.9rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--psc-tab-active-fg);
  background: var(--psc-accent);
  border: none;
  padding: 13px 40px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition:
    background var(--psc-transition),
    transform 0.2s ease,
    box-shadow var(--psc-transition);
  display: flex;
  align-items: center;
  gap: 10px;
}

.psc-loadmore-btn:hover {
  background: var(--psc-accent-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(200,168,75,0.40);
}

.psc-loadmore-btn:active { transform: translateY(0); }

/* Spinner bên trong nút */
.psc-btn-spinner {
  display: none;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(10,10,10,0.3);
  border-top-color: #0a0a0a;
  border-radius: 50%;
  animation: pscSpin 0.7s linear infinite;
}

.psc-loadmore-btn.psc-loading .psc-btn-spinner { display: block; }
.psc-loadmore-btn.psc-loading .psc-btn-text    { opacity: 0.6; }
.psc-loadmore-btn.psc-loading                  { pointer-events: none; }

.psc-no-more-text {
  color: var(--psc-text-muted);
  font-size: 0.85rem;
  text-align: center;
  margin: 0;
  align-self: center;
  font-style: italic;
}

/* ─────────────────────────────────────────────
   NUMBERED PAGINATION
───────────────────────────────────────────── */
.psc-pagination {
  display: flex;
  justify-content: center;
  margin-top: 48px;
}

.psc-pagination-links {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
}

.psc-page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 40px;
  height: 40px;
  padding: 0 12px;
  font-family: var(--psc-font);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--psc-text);
  background: transparent;
  border: 1.5px solid var(--psc-border);
  text-decoration: none;
  transition:
    background var(--psc-transition),
    color var(--psc-transition),
    border-color var(--psc-transition);
  cursor: pointer;
  user-select: none;
}

.psc-page-link:hover {
  border-color: var(--psc-accent);
  color: var(--psc-accent);
}

.psc-page-link:active {
  transform: scale(0.96);
}

.psc-page-current {
  background: var(--psc-accent);
  color: var(--psc-tab-active-fg);
  border-color: var(--psc-accent);
  pointer-events: none;
  cursor: default;
}

/* ─────────────────────────────────────────────
   LOADING OVERLAY (tab switch)
───────────────────────────────────────────── */
.psc-loading-overlay {
  position: absolute;
  inset: 0;
  background: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s ease;
  z-index: 10;
  border-radius: var(--psc-radius);
}

.psc-loading-overlay.psc-active {
  opacity: 1;
  pointer-events: auto;
}

.psc-spinner {
  width: 40px;
  height: 40px;
  border: 3px solid rgba(200,168,75,0.25);
  border-top-color: var(--psc-accent);
  border-radius: 50%;
  animation: pscSpin 0.8s linear infinite;
}

@keyframes pscSpin {
  to { transform: rotate(360deg); }
}

/* ─────────────────────────────────────────────
   UTILITY
───────────────────────────────────────────── */
.psc-hidden {
  display: none !important;
}