/* ===================================================================
   Projects Listing – Card Grid & Filters
   Author: super_man2775 · IT Learn
   =================================================================== */

/* ---- Filters ---- */
.projects-filters {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 24px;
  animation: proj-slide-in 0.35s ease;
}

.projects-filter {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border-radius: var(--radius-md, 10px);
  border: 1px solid var(--border-color, rgba(148, 163, 184, 0.15));
  background: var(--glass, rgba(49, 46, 129, 0.08));
  backdrop-filter: blur(8px);
  font-size: 13px;
  font-weight: 500;
  color: var(--color-text-muted, #94a3b8);
  transition: all 0.2s ease;
}

.projects-filter:hover {
  border-color: var(--accent-500, #6366f1);
  color: #fff;
}

.projects-filter-select {
  background: rgba(0, 0, 0, 0.3);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 5px 8px;
  font-family: inherit;
  font-size: 13px;
  cursor: pointer;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  outline: none;
}

.projects-filter-select:hover {
  border-color: rgba(99, 102, 241, 0.5);
  background: rgba(0, 0, 0, 0.4);
}

.projects-filter-select:focus {
  border-color: var(--accent-500, #6366f1);
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.18);
}

/* Cleaner dropdown look (best-effort, browser-dependent) */
.projects-filter-select:focus-visible {
  outline: none;
}

.projects-filter-select option {
  background: #0b1220;
  color: #fff;
}

/* ---- Section ---- */
.projects-section {
  margin-top: 32px;
}

.projects-section-title {
  margin: 0 0 16px;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--color-text-muted, #94a3b8);
  display: flex;
  align-items: center;
  gap: 10px;
}

.projects-section-title::after {
  content: '';
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--border-color), transparent);
}

/* ---- Grid ---- */
.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 20px;
}

/* ---- Project Card ---- */
.projects-card {
  text-align: left;
  border-radius: var(--radius-lg, 14px);
  border: 1px solid var(--border-color, rgba(148, 163, 184, 0.15));
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.4), rgba(15, 23, 42, 0.4));
  backdrop-filter: blur(12px);
  padding: 24px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  font-family: inherit;
  color: inherit;
  animation: proj-slide-in 0.4s ease backwards;
  display: flex;
  flex-direction: column;
  gap: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.projects-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent-500, #6366f1), #8b5cf6, #d946ef);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.projects-card:hover {
  border-color: rgba(99, 102, 241, 0.4);
  transform: translateY(-5px);
  background: linear-gradient(145deg, rgba(30, 41, 59, 0.6), rgba(15, 23, 42, 0.6));
  box-shadow: 
    0 20px 40px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(99, 102, 241, 0.1);
}

.projects-card:hover::before {
  opacity: 1;
}

.projects-card:active {
  transform: translateY(-2px);
}

.projects-card-top {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: flex-start;
}

.projects-card-title {
  margin: 0;
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  line-height: 1.3;
}

.projects-card-desc {
  margin: 0;
  color: var(--color-text-muted, #94a3b8);
  line-height: 1.5;
  font-size: 14px;
  flex: 1;
}

/* ---- Tags ---- */
.projects-card-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: auto;
}

.projects-pill {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255, 255, 255, 0.08);
  background: rgba(255, 255, 255, 0.05);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-text-muted, #94a3b8);
  transition: all 0.2s ease;
}

.projects-card:hover .projects-pill {
  background: rgba(99, 102, 241, 0.1);
  border-color: rgba(99, 102, 241, 0.2);
  color: var(--color-text-soft, #c7d2fe);
}

/* ---- Difficulty badge ---- */
.projects-difficulty {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 10px;
  font-weight: 700;
  white-space: nowrap;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 1px solid;
  transition: all 0.2s ease;
}

.projects-difficulty--easy {
  color: #22c55e;
  border-color: rgba(34, 197, 94, 0.2);
  background: rgba(34, 197, 94, 0.1);
}

.projects-difficulty--intermediate {
  color: #3b82f6;
  border-color: rgba(59, 130, 246, 0.2);
  background: rgba(59, 130, 246, 0.1);
}

.projects-difficulty--difficult,
.projects-difficulty--hard {
  color: #ef4444;
  border-color: rgba(239, 68, 68, 0.2);
  background: rgba(239, 68, 68, 0.1);
}

/* ---- Animations ---- */
@keyframes proj-slide-in {
  from {
    opacity: 0;
    transform: translateY(15px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---- Responsive ---- */
@media (max-width: 768px) {
  .projects-grid {
    grid-template-columns: 1fr;
  }
}