/*
 * modules.css - Interactive Module Components
 * Expandable INPUT→PROCESS→OUTPUT cards
 */

/* ===== MODULE CONTAINER ===== */

.module {
  background-color: var(--color-bg-elevated);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-base);
}

.module:hover {
  box-shadow: var(--shadow-md);
}

.module + .module {
  margin-top: var(--space-4);
}

/* ===== MODULE HEADER (Clickable) ===== */

.module-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-6);
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: background-color var(--transition-fast);
}

.module-header:hover {
  background-color: var(--color-bg-alt);
}

.module-header:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: -2px;
}

.module-header-content {
  flex: 1;
  min-width: 0;
}

.module-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-foundation);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.module-title-text {
  flex: 1;
}

/* ===== STATUS INDICATOR ===== */

.module-status {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.status-bar {
  display: flex;
  gap: 2px;
  height: 12px;
}

.status-bar-segment {
  width: 8px;
  height: 100%;
  background-color: var(--color-border);
  border-radius: 2px;
}

.status-bar-segment.filled {
  background-color: var(--color-growth);
}

.status-bar-segment.filled.active {
  background-color: var(--color-impact);
}

.status-label {
  font-weight: var(--font-medium);
}

/* ===== EXPAND/COLLAPSE TOGGLE ===== */

.module-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  flex-shrink: 0;
  color: var(--color-text-muted);
  transition: transform var(--transition-base), color var(--transition-fast);
}

.module-header:hover .module-toggle {
  color: var(--color-text);
}

.module[aria-expanded="true"] .module-toggle {
  transform: rotate(180deg);
}

.module-toggle-icon {
  width: 20px;
  height: 20px;
}

/* ===== MODULE SUMMARY (Visible when collapsed) ===== */

.module-summary {
  padding: 0 var(--space-6) var(--space-6);
  color: var(--color-text-muted);
  font-size: var(--text-sm);
}

.module[aria-expanded="true"] .module-summary {
  display: none;
}

/* ===== MODULE CONTENT (Expandable) ===== */

.module-content {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-base);
}

.module[aria-expanded="true"] .module-content {
  grid-template-rows: 1fr;
}

.module-content-inner {
  overflow: hidden;
}

.module-body {
  padding: 0 var(--space-6) var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

/* ===== IPO SECTIONS (Input, Process, Output) ===== */

.ipo-grid {
  display: grid;
  gap: var(--space-6);
  padding-top: var(--space-6);
}

@media (min-width: 768px) {
  .ipo-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.ipo-section {
  padding: var(--space-4);
  background-color: var(--color-bg-alt);
  border-radius: var(--radius-md);
}

.ipo-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ipo-header.input {
  color: var(--color-foundation);
}

.ipo-header.process {
  color: var(--color-growth);
}

.ipo-header.output {
  color: var(--color-impact);
}

.ipo-icon {
  width: 16px;
  height: 16px;
}

.ipo-list {
  list-style: none;
  font-size: var(--text-sm);
  color: var(--color-text);
}

.ipo-list li {
  position: relative;
  padding-left: var(--space-4);
  margin-bottom: var(--space-2);
}

.ipo-list li:last-child {
  margin-bottom: 0;
}

.ipo-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-full);
  background-color: var(--color-border);
}

.ipo-section.input .ipo-list li::before {
  background-color: var(--color-foundation);
}

.ipo-section.process .ipo-list li::before {
  background-color: var(--color-growth);
}

.ipo-section.output .ipo-list li::before {
  background-color: var(--color-impact);
}

/* Numbered list for process steps */
.ipo-section.process .ipo-list {
  counter-reset: process-step;
}

.ipo-section.process .ipo-list li {
  padding-left: var(--space-6);
}

.ipo-section.process .ipo-list li::before {
  content: counter(process-step);
  counter-increment: process-step;
  width: 20px;
  height: 20px;
  border-radius: var(--radius-full);
  background-color: var(--color-growth);
  color: var(--color-text-inverse);
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  top: 0.15em;
}

/* ===== PROOF SECTION ===== */

.proof-section {
  margin-top: var(--space-6);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border-light);
}

.proof-header {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3);
}

.proof-list {
  list-style: none;
  display: grid;
  gap: var(--space-2);
}

@media (min-width: 640px) {
  .proof-list {
    grid-template-columns: repeat(2, 1fr);
  }
}

.proof-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-text);
}

.proof-check {
  color: var(--color-growth);
  flex-shrink: 0;
  margin-top: 2px;
}

/* ===== MODULE FOOTER (Links) ===== */

.module-footer {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border-light);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

.module-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-growth);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.module-link:hover {
  color: var(--color-foundation);
}

.module-link-icon {
  width: 16px;
  height: 16px;
}

/* ===== REDUCED MOTION ===== */

@media (prefers-reduced-motion: reduce) {
  .module-content {
    transition: none;
  }

  .module-toggle {
    transition: none;
  }

  .module {
    transition: none;
  }
}

/* ===== PRINT STYLES ===== */

@media print {
  .module {
    break-inside: avoid;
    border: 1px solid #ccc;
    box-shadow: none;
  }

  .module-header {
    cursor: default;
  }

  .module-toggle {
    display: none;
  }

  .module-content {
    grid-template-rows: 1fr !important;
  }

  .module-summary {
    display: none !important;
  }
}