/* ============================================
   DevMemory Dashboard - UI/UX Pro Max Design System
   
   Product: Developer Tool / IDE
   Style: Dark Mode (OLED) + Minimalism + Bento Box Grid
   
   Color Palette:
   - Primary: #3B82F6
   - Secondary: #1E293B
   - CTA: #2563EB
   - Background: #0F172A
   - Surface: #1E293B
   - Text: #F1F5F9
   - Muted: #94A3B8
   - Border: #334155
   
   Typography: Developer Mono
   - Heading/Code: JetBrains Mono
   - Body: IBM Plex Sans
   ============================================ */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@300;400;500;600;700&family=JetBrains+Mono:wght@400;500;600;700&display=swap');

/* === Reset & Base === */
* { margin: 0; padding: 0; box-sizing: border-box; }
body {
  font-family: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  background: #0F172A;
  color: #F1F5F9;
  display: flex;
  min-height: 100vh;
  font-size: 14px;
  line-height: 1.5;
}
#app { display: flex; width: 100%; }

/* === Sidebar === */
.sidebar {
  width: 240px;
  background: #0B1120;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  border-right: 1px solid #1E293B;
}
.logo {
  padding: 20px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: -0.3px;
  color: #F1F5F9;
  border-bottom: 1px solid #1E293B;
}
.logo-icon { width: 28px; height: 28px; }
.logo-icon .node { fill: #3B82F6; }
.logo-icon .edge { stroke: #3B82F6; stroke-width: 1.2; opacity: 0.5; }
.nav-list { list-style: none; padding: 12px 0; flex: 1; }
.nav-item {
  padding: 10px 24px;
  cursor: pointer;
  transition: all 0.15s ease;
  font-size: 13px;
  color: #94A3B8;
  display: flex;
  align-items: center;
  gap: 10px;
  border-left: 3px solid transparent;
}
.nav-icon { width: 18px; height: 18px; flex-shrink: 0; }
.nav-item:hover { background: rgba(59,130,246,0.06); color: #CBD5E1; }
.nav-item.active {
  background: rgba(59,130,246,0.1);
  color: #F1F5F9;
  border-left-color: #3B82F6;
  font-weight: 500;
}

/* === Sidebar Decor (Vector Network Animation) === */
.sidebar-decor {
  padding: 12px 20px 16px;
  border-top: 1px solid #1E293B;
  opacity: 0.6;
}
.sidebar-decor svg { width: 100%; height: 60px; }
.node-pulse { animation: nodePulse 3s ease-in-out infinite; }
.node-pulse:nth-child(2) { animation-delay: 0.6s; }
.node-pulse:nth-child(3) { animation-delay: 1.2s; }
.node-pulse:nth-child(4) { animation-delay: 1.8s; }
.node-pulse:nth-child(5) { animation-delay: 2.4s; }
@keyframes nodePulse {
  0%, 100% { opacity: 0.4; r: 3; }
  50% { opacity: 1; r: 4; }
}
.edge-flow { opacity: 0.3; stroke-dasharray: 4 4; animation: edgeFlow 4s linear infinite; }
@keyframes edgeFlow { to { stroke-dashoffset: -40; } }

/* === Content === */
.content { flex: 1; padding: 28px 32px; overflow-y: auto; background: #0F172A; }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* === Page Header === */
.page-header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 24px;
}
.page-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 20px;
  font-weight: 700;
  color: #F1F5F9;
}
.page-count { font-size: 13px; color: #64748B; }

/* === Stats Grid (Bento Box) === */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.stat-card {
  background: #1E293B;
  border-radius: 12px;
  padding: 24px;
  border: 1px solid #334155;
  transition: all 0.2s ease;
}
.stat-card:hover { border-color: #475569; box-shadow: 0 4px 24px rgba(0,0,0,0.3); }
.stat-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}
.stat-card__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #64748B;
}
.stat-card__icon { width: 20px; height: 20px; color: #475569; }
.stat-card__number {
  font-family: 'JetBrains Mono', monospace;
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  margin-bottom: 8px;
}
.stat-card--primary .stat-card__number { color: #3B82F6; }
.stat-card--success .stat-card__number { color: #22C55E; }
.stat-card--accent .stat-card__number { color: #F97316; }
.stat-card__detail { font-size: 13px; color: #94A3B8; }
.stat-card__detail strong { color: #F1F5F9; font-weight: 600; }

/* === Stat Link === */
.stat-link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  padding: 2px 0;
  border-radius: 4px;
  transition: color 0.15s ease;
}
.stat-link:hover { color: #3B82F6; }
.stat-link:hover .badge,
.stat-link:hover .tag-count { opacity: 0.8; }

/* === Stat List === */
.stat-list { list-style: none; }
.stat-list li {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  font-size: 13px;
  color: #CBD5E1;
  border-bottom: 1px solid rgba(51,65,85,0.5);
}
.stat-list li:last-child { border-bottom: none; }
.stat-list--tags .tag-count {
  font-family: 'JetBrains Mono', monospace;
  font-weight: 600;
  color: #3B82F6;
  font-size: 13px;
}

/* === Badges === */
.badge {
  display: inline-flex;
  align-items: center;
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.2px;
}
.badge--warning { background: rgba(245,158,11,0.15); color: #FBBF24; }
.badge--info { background: rgba(59,130,246,0.15); color: #60A5FA; }
.badge--success { background: rgba(34,197,94,0.15); color: #4ADE80; }
.badge--muted { background: rgba(148,163,184,0.1); color: #64748B; }

/* === Vector Network Visualization === */
.vector-network {
  margin-top: 24px;
  background: #1E293B;
  border-radius: 12px;
  border: 1px solid #334155;
  padding: 20px 24px;
}
.vector-network__header {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}
.vector-network__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: #64748B;
}
.vector-network__sub { font-size: 12px; color: #475569; }
.vector-graph { width: 100%; height: 220px; }
.vg-edge { stroke: #334155; stroke-width: 1; }
.vg-edge--weak { stroke: #1E293B; stroke-width: 0.5; stroke-dasharray: 3 3; }
.vg-node__glow { fill: rgba(59,130,246,0.08); }
.vg-node__core { fill: #3B82F6; }
.vg-node:nth-child(even) .vg-node__core { fill: #2563EB; }
.vg-node:nth-child(3n) .vg-node__core { fill: #60A5FA; }
.vg-node__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  fill: #94A3B8;
  text-anchor: middle;
}
.vg-node:hover .vg-node__glow { fill: rgba(59,130,246,0.2); }
.vg-node:hover .vg-node__label { fill: #F1F5F9; }

/* === Toolbar === */
.toolbar {
  display: flex;
  gap: 12px;
  margin-bottom: 20px;
  align-items: center;
}
.search-box {
  position: relative;
  flex: 1;
  max-width: 360px;
}
.search-icon {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: #64748B;
}
.search-input {
  width: 100%;
  padding: 9px 12px 9px 36px;
  border: 1px solid #334155;
  border-radius: 8px;
  font-size: 13px;
  color: #F1F5F9;
  background: #1E293B;
  transition: all 0.15s ease;
  font-family: inherit;
}
.search-input:focus {
  outline: none;
  border-color: #3B82F6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.search-input::placeholder { color: #475569; }
.filter-input, .filter-select {
  padding: 9px 12px;
  border: 1px solid #334155;
  border-radius: 8px;
  font-size: 13px;
  color: #F1F5F9;
  background: #1E293B;
  font-family: inherit;
}
.filter-input:focus, .filter-select:focus {
  outline: none;
  border-color: #3B82F6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
.filter-select option { background: #1E293B; color: #F1F5F9; }

/* === Memory Card === */
.card-list { display: flex; flex-direction: column; gap: 12px; }
.memory-card {
  background: #1E293B;
  border-radius: 10px;
  padding: 18px 20px;
  border: 1px solid #334155;
  transition: all 0.15s ease;
}
.memory-card:hover {
  border-color: #475569;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.memory-card__header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
}
.memory-card__id {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #64748B;
  background: rgba(51,65,85,0.5);
  padding: 2px 8px;
  border-radius: 4px;
}
.memory-card__actions { display: flex; gap: 4px; }
.memory-card__content {
  font-size: 13px;
  line-height: 1.7;
  color: #CBD5E1;
  white-space: pre-wrap;
  word-break: break-all;
}
.memory-card__footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 12px;
}
.memory-card__tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag {
  background: rgba(59,130,246,0.12);
  color: #60A5FA;
  padding: 2px 10px;
  border-radius: 20px;
  font-size: 11px;
  font-weight: 500;
}
.memory-card__time {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #475569;
}

/* === Buttons === */
.btn {
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  transition: all 0.15s ease;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.btn--primary { background: #2563EB; color: #fff; }
.btn--primary:hover { background: #3B82F6; }
.btn--secondary { background: #334155; color: #CBD5E1; }
.btn--secondary:hover { background: #475569; }
.btn--ghost { background: transparent; color: #60A5FA; padding: 4px 10px; }
.btn--ghost:hover { background: rgba(59,130,246,0.1); }
.btn--ghost-danger { background: transparent; color: #F87171; padding: 4px 10px; }
.btn--ghost-danger:hover { background: rgba(239,68,68,0.1); }
.btn--sm { padding: 4px 10px; font-size: 12px; }

/* === Pager === */
.pager {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid #1E293B;
}
.pager__info {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #64748B;
  margin-right: 8px;
}
.pager__btn {
  padding: 6px 12px;
  border: 1px solid #334155;
  border-radius: 6px;
  background: #1E293B;
  cursor: pointer;
  font-size: 13px;
  color: #94A3B8;
  font-family: inherit;
  transition: all 0.15s ease;
}
.pager__btn:hover { border-color: #3B82F6; color: #60A5FA; }
.pager__btn--active {
  background: #2563EB;
  color: #fff;
  border-color: #2563EB;
}

/* === Issue Card === */
.issue-card {
  background: #1E293B;
  border-radius: 10px;
  padding: 18px 20px;
  border: 1px solid #334155;
  transition: all 0.15s ease;
}
.issue-card:hover {
  border-color: #475569;
  box-shadow: 0 2px 12px rgba(0,0,0,0.2);
}
.issue-card__header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 10px;
}
.issue-card__title {
  font-size: 14px;
  font-weight: 600;
  color: #F1F5F9;
  display: flex;
  align-items: center;
  gap: 8px;
}
.issue-card__number {
  font-family: 'JetBrains Mono', monospace;
  color: #64748B;
  font-weight: 500;
  font-size: 13px;
}
.issue-card__content {
  font-size: 13px;
  line-height: 1.6;
  color: #94A3B8;
}
.issue-card__meta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  color: #475569;
  margin-top: 10px;
}

/* === Status Panel === */
.status-panel {
  background: #1E293B;
  border-radius: 12px;
  padding: 24px;
  border: 1px solid #334155;
}
.status-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid #334155;
}
.status-item__label {
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #64748B;
  margin-bottom: 6px;
}
.status-item__value {
  font-size: 14px;
  color: #F1F5F9;
  display: flex;
  align-items: center;
  gap: 8px;
}
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.status-dot--ok { background: #22C55E; }
.status-dot--blocked { background: #EF4444; animation: pulse 2s infinite; }
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}
.status-section { margin-bottom: 20px; }
.status-section:last-child { margin-bottom: 0; }
.status-section__title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #64748B;
  margin-bottom: 10px;
}
.status-section__list { display: flex; flex-direction: column; gap: 6px; }
.status-section__item { font-size: 13px; color: #CBD5E1; line-height: 1.5; }

/* === Modal === */
.modal {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: center;
}
.modal.hidden { display: none; }
.modal-overlay {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}
.modal-body {
  position: relative;
  background: #1E293B;
  border-radius: 14px;
  padding: 28px;
  width: 90%;
  max-width: 560px;
  max-height: 80vh;
  overflow-y: auto;
  border: 1px solid #334155;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
.modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
}
.modal-header h3 {
  font-family: 'JetBrains Mono', monospace;
  font-size: 16px;
  font-weight: 600;
  color: #F1F5F9;
}
.modal-close {
  background: none;
  border: none;
  font-size: 22px;
  cursor: pointer;
  color: #64748B;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  transition: all 0.15s ease;
}
.modal-close:hover { background: #334155; color: #F1F5F9; }
.modal-footer {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid #334155;
}

/* === Form === */
.form-field { margin-bottom: 16px; }
.form-label {
  display: block;
  font-family: 'JetBrains Mono', monospace;
  font-size: 12px;
  font-weight: 600;
  color: #94A3B8;
  margin-bottom: 6px;
}
.form-input, .form-textarea {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid #334155;
  border-radius: 8px;
  font-size: 13px;
  color: #F1F5F9;
  background: #0F172A;
  font-family: inherit;
  transition: all 0.15s ease;
}
.form-textarea { min-height: 120px; resize: vertical; }
.form-input:focus, .form-textarea:focus {
  outline: none;
  border-color: #3B82F6;
  box-shadow: 0 0 0 3px rgba(59,130,246,0.15);
}
