/* ============================================
   NEXOR 360 — Interactive Diagrams
   ============================================ */

/* --- Shared Diagram Styles --- */
.diagram-container {
  margin: var(--space-8) 0;
  padding: var(--space-6);
  background: var(--gray-100);
  border-radius: var(--radius-lg);
  overflow-x: auto;
}

.diagram-title {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-semibold);
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-4);
}

.diagram-legend {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-200);
  font-size: var(--text-xs);
}

.legend-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.legend-dot {
  width: 10px;
  height: 10px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

/* --- Diagram 1: Architecture Layers --- */
.arch-diagram {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 700px;
}

.arch-layer {
  border-radius: var(--radius-md);
  padding: var(--space-4);
  border: 2px solid;
  transition: transform var(--ease-default), box-shadow var(--ease-default);
}

.arch-layer:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.arch-layer--experience { background: var(--layer-experience); border-color: var(--layer-experience-border); }
.arch-layer--api { background: var(--layer-api); border-color: var(--layer-api-border); }
.arch-layer--ai { background: var(--layer-ai); border-color: var(--layer-ai-border); }
.arch-layer--logic { background: var(--layer-logic); border-color: var(--layer-logic-border); }
.arch-layer--data { background: var(--layer-data); border-color: var(--layer-data-border); }
.arch-layer--infra { background: var(--layer-infra); border-color: var(--layer-infra-border); border-style: dashed; }

.arch-layer__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--space-3);
}

.arch-layer__name {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.arch-layer--experience .arch-layer__name { color: #1565C0; }
.arch-layer--api .arch-layer__name { color: #C2185B; }
.arch-layer--ai .arch-layer__name { color: #7B1FA2; }
.arch-layer--logic .arch-layer__name { color: #E65100; }
.arch-layer--data .arch-layer__name { color: #2E7D32; }
.arch-layer--infra .arch-layer__name { color: #616161; }

.arch-layer__tag {
  font-size: var(--text-xs);
  font-family: var(--font-mono);
  opacity: 0.6;
}

.arch-components {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.arch-chip {
  font-size: var(--text-xs);
  font-weight: var(--weight-medium);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.7);
  border: 1px solid rgba(0, 0, 0, 0.08);
  white-space: nowrap;
  transition: background var(--ease-default);
  cursor: default;
}

.arch-chip:hover {
  background: rgba(255, 255, 255, 0.95);
}

.arch-connector {
  display: flex;
  justify-content: center;
  color: var(--gray-300);
  font-size: var(--text-xs);
  line-height: 1;
}

/* --- Diagram 2: Agent Flow --- */
.flow-diagram {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  min-width: 800px;
  padding: var(--space-4) 0;
}

.flow-step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}

.flow-card {
  border: 2px solid;
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  text-align: center;
  min-width: 100px;
  max-width: 160px;
  transition: transform var(--ease-default), box-shadow var(--ease-default);
  cursor: pointer;
  position: relative;
}

.flow-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.flow-card--user { background: var(--gray-100); border-color: var(--gray-300); }
.flow-card--gateway { background: var(--layer-api); border-color: var(--layer-api-border); }
.flow-card--orq { background: var(--orq-bg); border-color: var(--orq-border); }
.flow-card--preventa { background: var(--preventa-bg); border-color: var(--preventa-border); }
.flow-card--cfo { background: var(--cfo-bg); border-color: var(--cfo-border); }
.flow-card--radar { background: var(--radar-bg); border-color: var(--radar-border); }
.flow-card--output { background: var(--green-light); border-color: var(--green-primary); }

.flow-card__icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  object-fit: cover;
  margin-bottom: var(--space-2);
}

.flow-card__name {
  font-weight: var(--weight-bold);
  font-size: var(--text-sm);
  margin-bottom: var(--space-1);
}

.flow-card__desc {
  font-size: var(--text-xs);
  color: var(--gray-500);
  line-height: 1.4;
}

.flow-card__number {
  position: absolute;
  top: -10px;
  right: -10px;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--green-primary);
  color: var(--white);
  border-radius: var(--radius-full);
  font-size: 0.65rem;
  font-weight: var(--weight-bold);
}

.flow-card__substeps {
  display: none;
  margin-top: var(--space-3);
  text-align: left;
  font-size: var(--text-xs);
  border-top: 1px solid rgba(0,0,0,0.1);
  padding-top: var(--space-2);
}

.flow-card__substeps.open {
  display: block;
}

.flow-card__substeps li {
  margin-bottom: 2px;
  color: var(--gray-700);
}

.flow-arrow {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--gray-300);
  font-size: var(--text-xs);
  padding-top: var(--space-4);
}

.flow-arrow svg {
  width: 32px;
  height: 16px;
}

/* --- Diagram 3: Message Contracts --- */
.contract-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
  min-width: 600px;
}

@media (max-width: 900px) {
  .contract-grid {
    grid-template-columns: 1fr;
  }
}

.contract-card {
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-md);
  background: var(--white);
  overflow: hidden;
}

.contract-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  font-weight: var(--weight-semibold);
  font-size: var(--text-sm);
  color: var(--white);
}

.contract-header--preventa-cfo { background: var(--preventa-border); }
.contract-header--cfo-orq { background: var(--cfo-border); }
.contract-header--orq-radar { background: var(--orq-border); }
.contract-header--radar-output { background: var(--radar-border); }

.contract-header__arrow {
  opacity: 0.6;
}

.contract-body {
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.8;
}

.contract-field {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: 2px 0;
}

.contract-field--nested {
  padding-left: var(--space-4);
  border-left: 1px solid var(--gray-200);
  margin-left: var(--space-2);
}

.field-name {
  font-weight: var(--weight-medium);
  color: var(--dark-text);
}

.field-type {
  font-size: 0.65rem;
  padding: 1px 6px;
  border-radius: var(--radius-full);
  font-weight: var(--weight-medium);
  font-family: var(--font-mono);
}

.field-type--string { background: #E3F2FD; color: var(--type-string); }
.field-type--object { background: #F3E5F5; color: var(--type-object); }
.field-type--enum { background: #FFF3E0; color: var(--type-enum); }
.field-type--int { background: #E8F5E9; color: var(--type-int); }
.field-type--array { background: #E0F7FA; color: var(--type-array); }
.field-type--float { background: #E8F5E9; color: var(--type-int); }

.field-comment {
  font-size: 0.65rem;
  color: var(--gray-500);
  font-style: italic;
}

.contract-toggle {
  display: inline-block;
  cursor: pointer;
  color: var(--gray-500);
  font-size: 0.65rem;
  margin-left: var(--space-2);
  user-select: none;
}

/* --- Diagram 4: State Machine --- */
.state-machine {
  min-width: 800px;
}

.sm-main-flow {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-bottom: var(--space-6);
}

.sm-state {
  border: 2px solid;
  border-radius: var(--radius-md);
  padding: var(--space-2) var(--space-3);
  text-align: center;
  min-width: 80px;
  flex-shrink: 0;
  transition: transform var(--ease-default), box-shadow var(--ease-default);
  cursor: default;
}

.sm-state:hover {
  transform: scale(1.05);
  box-shadow: var(--shadow-md);
}

.sm-state__name {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: var(--weight-bold);
  letter-spacing: 0.03em;
  display: block;
}

.sm-state__desc {
  font-size: 0.6rem;
  color: var(--gray-500);
  display: block;
  margin-top: 2px;
}

.sm-state--start, .sm-state--end {
  width: 16px;
  height: 16px;
  min-width: 16px;
  border-radius: var(--radius-full);
  padding: 0;
  background: var(--dark-text);
  border-color: var(--dark-text);
}

.sm-state--end {
  background: var(--white);
  border-width: 3px;
}

.sm-state--init { background: var(--gray-100); border-color: var(--gray-300); }
.sm-state--preventa { background: var(--preventa-bg); border-color: var(--preventa-border); }
.sm-state--cfo { background: var(--cfo-bg); border-color: var(--cfo-border); }
.sm-state--orq { background: var(--orq-bg); border-color: var(--orq-border); }
.sm-state--radar { background: var(--radar-bg); border-color: var(--radar-border); }
.sm-state--error { background: var(--state-error); border-color: var(--state-error-border); }
.sm-state--retry { background: var(--state-retry); border-color: var(--state-retry-border); }

.sm-arrow {
  display: flex;
  align-items: center;
  flex-shrink: 0;
  color: var(--gray-300);
}

.sm-arrow svg {
  width: 20px;
  height: 12px;
}

.sm-arrow__label {
  font-size: 0.55rem;
  color: var(--gray-500);
  white-space: nowrap;
}

.sm-error-branch {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: var(--space-16);
  padding-top: var(--space-2);
  border-top: 2px dashed var(--state-error-border);
  max-width: 400px;
  position: relative;
}

.sm-error-branch::before {
  content: 'Error path';
  position: absolute;
  top: -16px;
  left: 0;
  font-size: 0.55rem;
  color: var(--state-error-border);
  font-weight: var(--weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sm-retry-arc {
  position: relative;
}

.sm-retry-arc::after {
  content: '↺ retry';
  position: absolute;
  top: -18px;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.6rem;
  color: var(--state-retry-border);
  font-weight: var(--weight-medium);
  animation: pulse-retry 2s ease-in-out infinite;
}

@keyframes pulse-retry {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 1; }
}

.sm-objects {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--gray-200);
}

.sm-object {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  padding: var(--space-1) var(--space-3);
  background: var(--gray-100);
  border: 1px solid var(--gray-200);
  border-radius: var(--radius-sm);
  color: var(--gray-700);
}