/* Quoin Architecture Diagram — styles.css */

/* ── Custom properties ─────────────────────────────────────────────────────── */
:root {
  --bg:             #FAF9F7;
  --surface:        #FFFFFF;
  --text-primary:   #1F1F1E;
  --text-muted:     #6B6B68;
  --accent-warm:    #D97757;
  --accent-cool:    #2C5F8D;
  --divider:        #E8E6E1;
  --sidebar-width:  260px;
  --panel-width:    320px;
  --gutter:         24px;
  --border-radius:  8px;
  --shadow-sm:      0 1px 3px rgba(0,0,0,.08);
  --shadow-md:      0 4px 12px rgba(0,0,0,.12);
}

/* ── Reset / base ──────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text-primary);
  font-family: ui-sans-serif, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
}

/* ── App shell: three-column grid ─────────────────────────────────────────── */
.app-shell {
  display: grid;
  grid-template-columns: var(--sidebar-width) 1fr var(--panel-width);
  grid-template-rows: 100vh;
  height: 100vh;
  width: 100vw;
  overflow: hidden;
}

/* ── Left sidebar ──────────────────────────────────────────────────────────── */
.sidebar {
  grid-column: 1;
  background: var(--surface);
  border-right: 1px solid var(--divider);
  overflow-y: auto;
  z-index: 10;
  transition: transform 200ms ease-out;
}

.sidebar-inner {
  padding: var(--gutter) 16px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.sidebar-section {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.sidebar-heading {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--text-muted);
  padding-bottom: 4px;
  border-bottom: 1px solid var(--divider);
}

.sidebar-help-hint {
  color: var(--text-muted);
  font-size: 12px;
  margin-top: auto;
}

.sidebar-help-hint kbd {
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 11px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
}

/* ── Search input ──────────────────────────────────────────────────────────── */
.search-input {
  width: 100%;
  padding: 7px 10px;
  border: 1px solid var(--divider);
  border-radius: var(--border-radius);
  background: var(--bg);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 13px;
  outline: none;
  transition: border-color 150ms;
}

.search-input:focus {
  border-color: var(--accent-warm);
  box-shadow: 0 0 0 2px rgba(217,119,87,.18);
}

/* ── Filter checkboxes ─────────────────────────────────────────────────────── */
.filter-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 13px;
  user-select: none;
  border-radius: 4px;
  padding: 2px 4px;
  transition: background 120ms;
}

.filter-label:hover { background: var(--bg); }

.filter-label input[type="checkbox"] {
  width: 14px;
  height: 14px;
  accent-color: var(--accent-warm);
  cursor: pointer;
  flex-shrink: 0;
}

.filter-label input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--accent-warm);
  outline-offset: 2px;
}

.filter-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  flex-shrink: 0;
}

/* ── Legend ────────────────────────────────────────────────────────────────── */
.legend-list {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--text-muted);
}

.legend-line {
  display: inline-block;
  width: 22px;
  height: 2px;
  border-radius: 1px;
  flex-shrink: 0;
}

/* ── Layout toggle button ──────────────────────────────────────────────────── */
.layout-btn {
  width: 100%;
  padding: 8px 12px;
  background: var(--accent-cool);
  color: #fff;
  border: none;
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 150ms, transform 80ms;
}

.layout-btn:hover  { background: #245282; }
.layout-btn:active { transform: scale(.97); }
.layout-btn:focus-visible {
  outline: 2px solid var(--accent-cool);
  outline-offset: 3px;
}

/* ── Graph main ────────────────────────────────────────────────────────────── */
.graph-main {
  grid-column: 2;
  position: relative;
  overflow: hidden;
  background: var(--bg);
}

#cy {
  width: 100%;
  height: 100%;
}

/* ── Hamburger (mobile only) ───────────────────────────────────────────────── */
.hamburger {
  display: none;
  position: absolute;
  top: 12px;
  left: 12px;
  width: 36px;
  height: 36px;
  background: var(--surface);
  border: 1px solid var(--divider);
  border-radius: var(--border-radius);
  font-size: 18px;
  cursor: pointer;
  z-index: 20;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-sm);
}

.hamburger:focus-visible {
  outline: 2px solid var(--accent-warm);
  outline-offset: 2px;
}

/* ── Detail panel ──────────────────────────────────────────────────────────── */
.detail-panel {
  grid-column: 3;
  background: var(--surface);
  border-left: 1px solid var(--divider);
  overflow-y: auto;
  z-index: 10;
  animation: slideIn 200ms ease-out;
}

.detail-panel[hidden] { display: none; }

@keyframes slideIn {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

.detail-inner {
  padding: var(--gutter);
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.detail-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.detail-title {
  font-size: 17px;
  font-weight: 600;
  line-height: 1.3;
  color: var(--text-primary);
}

.detail-close {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: 50%;
  font-size: 13px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--text-muted);
  transition: background 150ms, color 150ms;
}

.detail-close:hover  { background: var(--divider); color: var(--text-primary); }
.detail-close:focus-visible {
  outline: 2px solid var(--accent-warm);
  outline-offset: 2px;
}

/* Meta badges */
.detail-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: baseline;
}

.meta-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 100px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .04em;
}

.meta-type   { background: rgba(217,119,87,.15); color: #8B3A1B; }
.meta-layer  { background: rgba(91,124,157,.15);  color: #1D3F5A; }
.meta-tier   { background: rgba(168,149,111,.15); color: #5A430A; }

.meta-path {
  display: block;
  width: 100%;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  color: var(--text-muted);
  word-break: break-all;
  margin-top: 2px;
}

.meta-summary {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.5;
  width: 100%;
  margin-top: 4px;
}

/* Rendered markdown in detail panel */
.detail-content {
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-primary);
}

.detail-content h2 {
  font-size: 14px;
  font-weight: 600;
  margin-top: 16px;
  margin-bottom: 6px;
  color: var(--text-primary);
}

.detail-content h3 {
  font-size: 13px;
  font-weight: 600;
  margin-top: 12px;
  margin-bottom: 4px;
  color: var(--text-muted);
}

.detail-content p   { margin-bottom: 8px; }
.detail-content ul  { padding-left: 18px; margin-bottom: 8px; }
.detail-content li  { margin-bottom: 3px; }

.detail-content code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 12px;
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: 3px;
  padding: 1px 4px;
}

.detail-content strong { font-weight: 600; }

/* ── Tooltip ───────────────────────────────────────────────────────────────── */
#cy-tooltip {
  display: none;
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  background: rgba(31,31,30,.88);
  color: #fff;
  font-size: 12px;
  padding: 5px 10px;
  border-radius: 5px;
  max-width: 220px;
  white-space: pre-wrap;
  line-height: 1.4;
  box-shadow: var(--shadow-md);
}

/* ── Help overlay ──────────────────────────────────────────────────────────── */
#help-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

#help-overlay[hidden] { display: none; }

.help-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.50);
}

.help-card {
  position: relative;
  background: var(--surface);
  border-radius: 12px;
  padding: 32px;
  max-width: 480px;
  width: 90%;
  box-shadow: var(--shadow-md);
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-height: 90vh;
  overflow-y: auto;
}

.help-card h2 {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.help-card ul {
  padding-left: 18px;
}

.help-card li {
  margin-bottom: 4px;
  font-size: 13px;
  color: var(--text-muted);
}

.help-card p {
  font-size: 13px;
  color: var(--text-muted);
}

.help-card kbd {
  background: var(--bg);
  border: 1px solid var(--divider);
  border-radius: 3px;
  padding: 1px 5px;
  font-size: 11px;
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  color: var(--text-primary);
}

.help-close {
  margin-top: 8px;
  align-self: flex-end;
  padding: 8px 20px;
  background: var(--accent-warm);
  color: #fff;
  border: none;
  border-radius: var(--border-radius);
  font-family: inherit;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: background 150ms;
}

.help-close:hover { background: #b85f3a; }
.help-close:focus-visible {
  outline: 2px solid var(--accent-warm);
  outline-offset: 3px;
}

/* ── Responsive: 800–1199px ────────────────────────────────────────────────── */
@media (max-width: 1199px) and (min-width: 800px) {
  :root {
    --sidebar-width: 200px;
    --panel-width: 280px;
  }

  .sidebar-heading { font-size: 10px; }
  .filter-label    { font-size: 12px; }
  .legend-item     { font-size: 11px; }
}

/* ── Responsive: <800px ────────────────────────────────────────────────────── */
@media (max-width: 799px) {
  .app-shell {
    grid-template-columns: 1fr;
    grid-template-rows: 1fr auto;
  }

  .sidebar {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: var(--sidebar-width);
    transform: translateX(-100%);
    box-shadow: var(--shadow-md);
    z-index: 200;
  }

  .sidebar.sidebar-open {
    transform: translateX(0);
  }

  .graph-main {
    grid-column: 1;
    grid-row: 1;
  }

  .hamburger {
    display: flex;
  }

  /* Detail panel as bottom sheet */
  .detail-panel {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50vh;
    grid-column: unset;
    border-left: none;
    border-top: 1px solid var(--divider);
    border-radius: 12px 12px 0 0;
    box-shadow: var(--shadow-md);
    animation: slideUp 200ms ease-out;
    z-index: 100;
  }

  @keyframes slideUp {
    from { transform: translateY(100%); opacity: 0; }
    to   { transform: translateY(0);    opacity: 1; }
  }
}

/* ── Reduced motion ────────────────────────────────────────────────────────── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    transition: none !important;
    animation: none !important;
  }
}