/* =========================================================
   ABANGADEKGANTENG — Experiments & Lab Prototypes
   Stylesheet matching ALL Directory Hub Design Constitution
   ========================================================= */

:root {
  --exp-accent: #a855f7;
  --exp-accent-rgb: 168, 85, 247;
  --exp-accent-light: rgba(168, 85, 247, 0.15);
  --exp-accent-border: rgba(168, 85, 247, 0.3);
}

/* Page Container */
.all-container,
.experiments-container {
  max-width: var(--max-width, 1400px);
  margin: 0 auto;
  padding: 2rem 1.25rem 5rem;
  min-height: calc(100vh - 80px);
}

/* Breadcrumb Navigation */
.breadcrumb-bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono, monospace);
  font-size: 0.8125rem;
  color: var(--text-muted, #94a3b8);
  margin-bottom: 1.5rem;
}

.breadcrumb-link {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-secondary, #cbd5e1);
  text-decoration: none;
  transition: color var(--transition-fast, 0.2s ease);
}

.breadcrumb-link:hover {
  color: var(--accent-primary, #a855f7);
}

.breadcrumb-sep {
  color: rgba(255, 255, 255, 0.2);
}

.breadcrumb-current {
  color: var(--accent-primary, #a855f7);
  font-weight: 600;
}

/* Header & Hero Section */
.all-header,
.experiments-header {
  margin-bottom: 2rem;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono, monospace);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--accent-primary, #a855f7);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: rgba(168, 85, 247, 0.12);
  border: 1px solid rgba(168, 85, 247, 0.28);
  margin-bottom: 0.75rem;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #a855f7;
  box-shadow: 0 0 10px #a855f7;
  animation: exp-pulse 2s infinite ease-in-out;
}

@keyframes exp-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.85); }
}

.all-title,
.experiments-title {
  font-family: var(--font-display, inherit);
  font-size: clamp(2rem, 4vw, 2.75rem);
  font-weight: 800;
  color: #ffffff;
  letter-spacing: -0.025em;
  margin: 0 0 0.75rem 0;
  line-height: 1.15;
}

.all-subtitle,
.experiments-subtitle {
  color: var(--text-secondary, #94a3b8);
  font-size: 1rem;
  max-width: 68ch;
  line-height: 1.65;
  margin: 0 0 1.25rem 0;
}

/* Quick Hub Switcher Bar */
.hub-switch-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  background: rgba(15, 23, 42, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md, 12px);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.hub-switch-text {
  font-size: 0.875rem;
  color: var(--text-secondary, #94a3b8);
  font-weight: 500;
}

.hub-switch-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 0.9rem;
  border-radius: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  background: rgba(168, 85, 247, 0.16);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: #ffffff;
  transition: all var(--transition-fast, 0.2s ease);
}

.hub-switch-btn:hover {
  background: rgba(168, 85, 247, 0.28);
  border-color: #a855f7;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(168, 85, 247, 0.25);
}

/* Filter Toolbar */
.filter-toolbar {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 2rem;
}

.search-box-filter {
  position: relative;
  width: 100%;
}

.search-box-filter input {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.75rem;
  background: rgba(15, 23, 42, 0.65);
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.1));
  border-radius: var(--radius-md, 12px);
  color: var(--text-primary, #ffffff);
  font-size: 0.9375rem;
  outline: none;
  transition: all var(--transition-smooth, 0.25s ease);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.search-box-filter input:focus {
  border-color: var(--accent-primary, #a855f7);
  box-shadow: 0 0 20px rgba(168, 85, 247, 0.25);
  background: rgba(15, 23, 42, 0.85);
}

.search-box-filter .filter-icon {
  position: absolute;
  left: 1rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-muted, #64748b);
  pointer-events: none;
}

/* Filter Chips */
.filter-chips-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-chip {
  padding: 0.4rem 0.85rem;
  border-radius: 999px;
  font-size: 0.8125rem;
  font-weight: 600;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.08);
  color: var(--text-secondary, #cbd5e1);
  cursor: pointer;
  transition: all var(--transition-fast, 0.2s ease);
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.filter-chip:hover {
  background: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.filter-chip.active {
  background: rgba(168, 85, 247, 0.22);
  border-color: rgba(168, 85, 247, 0.5);
  color: #ffffff;
  box-shadow: 0 0 12px rgba(168, 85, 247, 0.2);
}

/* Dedicated Share Banner */
.all-share-banner {
  background: rgba(15, 23, 42, 0.45);
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.08));
  border-radius: var(--radius-md, 14px);
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.all-share-banner::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 4px;
  height: 100%;
  background: linear-gradient(180deg, var(--accent-primary, #a855f7), transparent);
}

.all-share-title {
  font-family: var(--font-display, inherit);
  font-size: 1.25rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0.25rem 0 0.5rem 0;
}

.all-share-desc {
  color: var(--text-secondary, #94a3b8);
  font-size: 0.875rem;
  line-height: 1.5;
  margin: 0;
  max-width: 60ch;
}

.all-share-action-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 1.15rem;
  border-radius: var(--radius-sm, 8px);
  background: rgba(168, 85, 247, 0.15);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: all var(--transition-fast, 0.2s ease);
}

.all-share-action-btn:hover {
  background: var(--accent-primary, #a855f7);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(168, 85, 247, 0.35);
}

/* Experiments Category Grid */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1.25rem;
}

/* Category Card */
.category-card {
  background: var(--bg-card, rgba(15, 23, 42, 0.6));
  border: 1px solid var(--glass-border, rgba(255, 255, 255, 0.08));
  border-radius: var(--radius-md, 14px);
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all var(--transition-smooth, 0.25s ease);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  position: relative;
  overflow: hidden;
}

.category-card:hover {
  border-color: var(--glass-border-hover, rgba(168, 85, 247, 0.4));
  transform: translateY(-4px);
  box-shadow: 0 14px 32px rgba(0, 0, 0, 0.45), 0 0 20px rgba(168, 85, 247, 0.1);
}

.category-card-top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 1.15rem;
}

.category-icon-box {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm, 10px);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: transform var(--transition-fast, 0.2s ease);
}

.category-card:hover .category-icon-box {
  transform: scale(1.08);
}

.category-badge {
  font-family: var(--font-mono, monospace);
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 9px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.08);
  color: var(--text-secondary, #cbd5e1);
  border: 1px solid rgba(255, 255, 255, 0.06);
  letter-spacing: 0.02em;
}

.card-share-btn {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary, #cbd5e1);
  width: 32px;
  height: 32px;
  border-radius: var(--radius-sm, 8px);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all var(--transition-fast, 0.2s ease);
  padding: 0;
}

.card-share-btn:hover {
  background: var(--accent-light, rgba(168, 85, 247, 0.2));
  border-color: var(--accent-primary, #a855f7);
  color: #ffffff;
  transform: scale(1.08);
}

.card-share-btn:active {
  transform: scale(0.95);
}

.category-title {
  font-family: var(--font-display, inherit);
  font-size: 1.2rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 0.5rem 0;
  line-height: 1.3;
}

.category-description {
  color: var(--text-secondary, #94a3b8);
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0 0 1.35rem 0;
  flex: 1;
}

/* Card Actions Row */
.card-actions-row {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin-top: auto;
}

.btn-open {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.65rem 1rem;
  border-radius: var(--radius-sm, 8px);
  background: var(--accent-primary, #a855f7);
  color: #ffffff;
  font-size: 0.875rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast, 0.2s ease);
  box-shadow: 0 4px 14px rgba(168, 85, 247, 0.25);
}

.btn-open:hover {
  background: #9333ea;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(168, 85, 247, 0.4);
}

.btn-details {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 0.85rem;
  border-radius: var(--radius-sm, 8px);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  color: var(--text-secondary, #cbd5e1);
  font-size: 0.8125rem;
  font-weight: 600;
  text-decoration: none;
  transition: all var(--transition-fast, 0.2s ease);
}

.btn-details:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  border-color: rgba(255, 255, 255, 0.25);
}

/* Special Hub Featured Card */
.category-card.card-featured-hub {
  border-color: rgba(168, 85, 247, 0.4);
  background: linear-gradient(135deg, rgba(30, 27, 75, 0.7), rgba(15, 23, 42, 0.7));
}

.category-card.card-featured-hub:hover {
  border-color: #a855f7;
  box-shadow: 0 16px 36px rgba(0, 0, 0, 0.5), 0 0 24px rgba(168, 85, 247, 0.25);
}

/* Empty Search Results State */
.experiments-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 4rem 1.5rem;
  text-align: center;
  background: rgba(15, 23, 42, 0.4);
  border: 1px dashed rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md, 14px);
  margin-top: 1rem;
}

.experiments-empty-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted, #64748b);
  margin-bottom: 1rem;
}

.experiments-empty-title {
  font-size: 1.15rem;
  font-weight: 700;
  color: #ffffff;
  margin: 0 0 0.5rem 0;
}

.experiments-empty-desc {
  font-size: 0.875rem;
  color: var(--text-secondary, #94a3b8);
  max-width: 44ch;
  margin: 0 0 1.25rem 0;
  line-height: 1.5;
}

.btn-reset-filter {
  padding: 0.5rem 1rem;
  border-radius: var(--radius-sm, 8px);
  background: rgba(168, 85, 247, 0.16);
  border: 1px solid rgba(168, 85, 247, 0.35);
  color: #ffffff;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast, 0.2s ease);
}

.btn-reset-filter:hover {
  background: var(--accent-primary, #a855f7);
}

/* Ripple Button Effect Base */
.ripple-btn {
  position: relative;
  overflow: hidden;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .all-container,
  .experiments-container {
    padding: 1.25rem 1rem 5rem;
  }

  .all-share-banner {
    flex-direction: column;
    align-items: flex-start;
  }

  .all-share-action-btn {
    width: 100%;
    justify-content: center;
  }

  .category-grid {
    grid-template-columns: 1fr;
  }
}