/* =========================================================
   PROJECTS (DỰ ÁN CÁ NHÂN) COMPONENT
   ========================================================= */

.projects-filter-bar {
  display: flex;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 36px;
}

.project-filter-btn {
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-weight: 700;
  font-size: 0.9rem;
  background-color: var(--bg-secondary);
  color: var(--text-primary);
  border: 1.5px solid var(--border-color);
  box-shadow: var(--shadow-solid-sm);
  transition: var(--transition-fast);
}

.project-filter-btn:hover {
  transform: translateY(-2px);
  background-color: var(--card-pastel-1);
}

.project-filter-btn.active {
  background-color: var(--accent-primary);
  color: #FFFFFF;
  border-color: var(--border-color);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 28px;
}

.project-card {
  padding: 24px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 320px;
  position: relative;
  background-color: var(--bg-card);
}

.project-card[data-theme-color="pastel-1"] {
  background: linear-gradient(180deg, var(--card-pastel-1) 0%, var(--bg-card) 40%);
}
.project-card[data-theme-color="pastel-2"] {
  background: linear-gradient(180deg, var(--card-pastel-2) 0%, var(--bg-card) 40%);
}
.project-card[data-theme-color="pastel-3"] {
  background: linear-gradient(180deg, var(--card-pastel-3) 0%, var(--bg-card) 40%);
}
.project-card[data-theme-color="pastel-4"] {
  background: linear-gradient(180deg, var(--card-pastel-4) 0%, var(--bg-card) 40%);
}

.project-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.project-icon-badge {
  font-size: 2rem;
  display: inline-block;
}

.project-category {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  display: block;
  margin-bottom: 6px;
}

.project-title {
  font-size: 1.35rem;
  margin-bottom: 10px;
}

.project-summary {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

/* Progress bar */
.project-progress-wrapper {
  margin: 14px 0;
  background-color: var(--bg-secondary);
  padding: 10px 14px;
  border: 1px dashed var(--border-color);
  border-radius: var(--radius-sm);
}

.progress-info {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 6px;
}

.progress-bar-bg {
  width: 100%;
  height: 8px;
  background-color: var(--bg-dot);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent-tertiary), var(--accent-primary));
  border-radius: var(--radius-pill);
  transition: width 0.6s ease;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.project-tag {
  font-size: 0.78rem;
  font-weight: 600;
  padding: 3px 8px;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
}

.project-card-footer {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--border-subtle);
  display: flex;
  justify-content: flex-end;
}

/* Teaser / Placeholder Card */
.project-card-teaser {
  border-style: dashed;
  background-color: var(--bg-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.teaser-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

.teaser-icon {
  font-size: 3rem;
  animation: pulseIcon 2s infinite ease-in-out;
}

@keyframes pulseIcon {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.15); }
}