/* ecosystem-mapper.css */
@import url('https://fonts.googleapis.com/css2?family=DM+Mono:ital,wght@0,300;0,400;0,500;1,400&family=Fraunces:ital,opsz,wght@0,9..144,300;0,9..144,600;1,9..144,300&display=swap');

:root {
  --bg:         #f5f2eb;
  --bg-2:       #ede9e0;
  --bg-3:       #e2ddd3;
  --ink:        #1a1814;
  --ink-2:      #5a5650;
  --ink-3:      #9a9590;
  --accent:     #2d5a3d;
  --accent-2:   #4a8c62;
  --accent-pale:#d4e8db;
  --warn:       #8b4513;
  --warn-pale:  #f5e6d8;
  --danger:     #8b1a1a;

  /* Touchpoint colours */
  --tp-personal: #4a7c59;
  --tp-local-s:  #c8941a;
  --tp-local-w:  #e8b84a;
  --tp-remote-s: #c84040;
  --tp-remote-w: #e07070;
  --tp-seam:     #b8b4ac;

  --radius:  4px;
  --radius-l:10px;
  --shadow:  0 1px 3px rgba(0,0,0,.12), 0 4px 16px rgba(0,0,0,.06);
  --shadow-l:0 2px 8px rgba(0,0,0,.14), 0 8px 32px rgba(0,0,0,.08);
  --font-body: 'DM Mono', monospace;
  --font-disp: 'Fraunces', serif;
  --transition: 160ms ease;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { font-size: 15px; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-weight: 300;
  line-height: 1.6;
  min-height: 100vh;
}

/* ── Layout ── */
.app-header {
  background: var(--ink);
  color: var(--bg);
  padding: 0 2rem;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: 52px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.app-header h1 {
  font-family: var(--font-disp);
  font-size: 1.1rem;
  font-weight: 300;
  font-style: italic;
  letter-spacing: .02em;
}

.app-header nav { display: flex; gap: .5rem; margin-left: auto; }

.container { max-width: 1100px; margin: 0 auto; padding: 2rem; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .45rem .9rem;
  border: 1.5px solid transparent;
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .8rem;
  font-weight: 400;
  cursor: pointer;
  transition: var(--transition);
  letter-spacing: .03em;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary   { background: var(--accent);   color: #fff; border-color: var(--accent); }
.btn-primary:hover { background: var(--accent-2); border-color: var(--accent-2); }
.btn-secondary { background: transparent; color: var(--ink); border-color: var(--bg-3); }
.btn-secondary:hover { background: var(--bg-2); border-color: var(--ink-3); }
.btn-ghost     { background: transparent; color: var(--ink-2); border-color: transparent; }
.btn-ghost:hover { background: var(--bg-2); color: var(--ink); }
.btn-danger    { background: transparent; color: var(--danger); border-color: var(--danger); }
.btn-danger:hover { background: var(--danger); color: #fff; }
.btn-sm { padding: .3rem .65rem; font-size: .75rem; }
.btn:disabled { opacity: .4; cursor: not-allowed; }

/* ── Cards ── */
.card {
  background: #fff;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  padding: 1.5rem;
}

/* ── Forms ── */
.form-group { display: flex; flex-direction: column; gap: .35rem; margin-bottom: 1rem; }
.form-group label { font-size: .75rem; color: var(--ink-2); letter-spacing: .06em; text-transform: uppercase; }
.form-group input,
.form-group textarea,
.form-group select {
  background: var(--bg);
  border: 1.5px solid var(--bg-3);
  border-radius: var(--radius);
  padding: .55rem .75rem;
  font-family: var(--font-body);
  font-size: .875rem;
  color: var(--ink);
  transition: var(--transition);
  outline: none;
}
.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--accent);
  background: #fff;
}
.form-group textarea { resize: vertical; min-height: 80px; }

/* ── Project list ── */
.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
  margin-top: 1.5rem;
}

.project-card {
  background: #fff;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  padding: 1.25rem 1.5rem;
  cursor: pointer;
  transition: box-shadow var(--transition), transform var(--transition);
  border: 1.5px solid transparent;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}
.project-card:hover {
  box-shadow: var(--shadow-l);
  transform: translateY(-2px);
  border-color: var(--accent-pale);
}
.project-card h3 {
  font-family: var(--font-disp);
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.3;
}
.project-card .meta {
  font-size: .75rem;
  color: var(--ink-3);
  display: flex;
  gap: 1rem;
}
.project-card .desc {
  font-size: .825rem;
  color: var(--ink-2);
  line-height: 1.5;
}
.project-card .actions {
  display: flex;
  gap: .5rem;
  margin-top: .5rem;
}

/* ── Page header ── */
.page-header {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 2rem;
  padding-bottom: 1.25rem;
  border-bottom: 1px solid var(--bg-3);
}
.page-header h2 {
  font-family: var(--font-disp);
  font-size: 1.6rem;
  font-weight: 300;
  font-style: italic;
  line-height: 1.2;
}
.page-header .actions { margin-left: auto; display: flex; gap: .5rem; align-items: center; }

/* ── Path list ── */
.path-list { display: flex; flex-direction: column; gap: .75rem; margin-top: 1rem; }

.path-item {
  background: #fff;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  cursor: pointer;
  transition: box-shadow var(--transition);
  border: 1.5px solid transparent;
}
.path-item:hover { box-shadow: var(--shadow-l); border-color: var(--accent-pale); }
.path-item .label {
  font-family: var(--font-disp);
  font-size: .95rem;
  font-weight: 600;
}
.path-item .step-count {
  font-size: .75rem;
  color: var(--ink-3);
  background: var(--bg-2);
  padding: .15rem .5rem;
  border-radius: 99px;
}
.path-item .actions { margin-left: auto; display: flex; gap: .4rem; opacity: 0; transition: var(--transition); }
.path-item:hover .actions { opacity: 1; }

/* ── Path builder ── */
#path-builder {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 1.5rem;
  align-items: start;
}

.builder-panel {
  background: #fff;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  padding: 1.25rem;
  position: sticky;
  top: 68px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
}
.builder-panel h3 {
  font-family: var(--font-disp);
  font-size: .95rem;
  font-style: italic;
  margin-bottom: 1rem;
  color: var(--ink-2);
}

/* Proximity / strength selector */
.classification-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: .5rem;
  margin: .75rem 0;
}

.cls-btn {
  padding: .6rem .5rem;
  border: 1.5px solid var(--bg-3);
  border-radius: var(--radius);
  background: var(--bg);
  cursor: pointer;
  text-align: center;
  font-family: var(--font-body);
  font-size: .75rem;
  font-weight: 400;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .25rem;
}
.cls-btn .dot {
  width: 14px; height: 14px;
  border-radius: 3px;
  display: block;
}
.cls-btn:hover { border-color: var(--ink-3); background: var(--bg-2); }
.cls-btn.selected { border-color: var(--accent); background: var(--accent-pale); }
.cls-btn[data-val="personal"]      .dot { background: var(--tp-personal); }
.cls-btn[data-val="local-stronger"].dot { background: var(--tp-local-s); }
.cls-btn[data-val="local-weaker"]  .dot { background: var(--tp-local-w); }
.cls-btn[data-val="remote-stronger"].dot { background: var(--tp-remote-s); }
.cls-btn[data-val="remote-weaker"] .dot { background: var(--tp-remote-w); }

.suggestion-badge {
  font-size: .7rem;
  color: var(--accent);
  background: var(--accent-pale);
  padding: .15rem .5rem;
  border-radius: 99px;
  display: inline-flex;
  align-items: center;
  gap: .3rem;
}

/* ── SVG path canvas ── */
#path-canvas-wrap {
  background: #fff;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow);
  overflow-x: auto;
  overflow-y: auto;
  min-height: 200px;
  max-height: calc(100vh - 180px);
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: center;
}

#path-canvas { display: block; }

/* Hex tooltip */
.hex-tooltip {
  position: fixed;
  background: var(--ink);
  color: var(--bg);
  padding: .35rem .65rem;
  border-radius: var(--radius);
  font-size: .75rem;
  pointer-events: none;
  z-index: 1000;
  opacity: 0;
  transition: opacity 100ms;
  max-width: 200px;
}
.hex-tooltip.visible { opacity: 1; }

/* ── Modal ── */
.modal-backdrop {
  position: fixed; inset: 0;
  background: rgba(26,24,20,.55);
  display: flex; align-items: center; justify-content: center;
  z-index: 500;
  opacity: 0; pointer-events: none;
  transition: opacity 200ms;
}
.modal-backdrop.open { opacity: 1; pointer-events: all; }
.modal {
  background: #fff;
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-l);
  padding: 2rem;
  width: min(480px, 95vw);
  transform: translateY(10px);
  transition: transform 200ms;
}
.modal-backdrop.open .modal { transform: translateY(0); }
.modal h3 {
  font-family: var(--font-disp);
  font-size: 1.1rem;
  font-style: italic;
  margin-bottom: 1.25rem;
}
.modal-actions { display: flex; gap: .5rem; justify-content: flex-end; margin-top: 1.5rem; }

/* ── Merge/split dialog ── */
.merge-options { display: flex; flex-direction: column; gap: .75rem; margin: 1rem 0; }
.merge-option {
  padding: .75rem 1rem;
  border: 1.5px solid var(--bg-3);
  border-radius: var(--radius);
  cursor: pointer;
  transition: var(--transition);
}
.merge-option:hover { border-color: var(--accent); background: var(--accent-pale); }
.merge-option.selected { border-color: var(--accent); background: var(--accent-pale); }
.merge-option strong { display: block; font-size: .85rem; }
.merge-option span   { font-size: .75rem; color: var(--ink-2); }

/* ── Notifications ── */
.toast-container {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  display: flex; flex-direction: column; gap: .5rem;
  z-index: 9999;
}
.toast {
  background: var(--ink);
  color: var(--bg);
  padding: .6rem 1rem;
  border-radius: var(--radius);
  font-size: .8rem;
  box-shadow: var(--shadow-l);
  animation: toast-in 200ms ease forwards;
}
.toast.success { background: var(--accent); }
.toast.error   { background: var(--danger); }
@keyframes toast-in {
  from { opacity: 0; transform: translateX(20px); }
  to   { opacity: 1; transform: translateX(0); }
}

/* ── Empty state ── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--ink-3);
}
.empty-state .icon { font-size: 2.5rem; margin-bottom: .75rem; }
.empty-state p { font-size: .9rem; margin-bottom: 1.25rem; }

/* ── Breadcrumb ── */
.breadcrumb {
  font-size: .75rem;
  color: var(--ink-3);
  display: flex;
  gap: .4rem;
  align-items: center;
  margin-bottom: 1.5rem;
}
.breadcrumb a { color: var(--accent); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }

/* ── Step list in builder ── */
.step-list { display: flex; flex-direction: column; gap: .4rem; margin-top: .75rem; }
.step-chip {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding: .4rem .6rem;
  background: var(--bg);
  border-radius: var(--radius);
  font-size: .78rem;
  border: 1px solid var(--bg-3);
}
.step-chip .chip-dot {
  width: 10px; height: 10px;
  border-radius: 2px;
  flex-shrink: 0;
}
.step-chip .chip-name { flex: 1; }
.step-chip .chip-pos  { font-size: .7rem; color: var(--ink-3); }
.step-chip .chip-del  {
  background: none; border: none; cursor: pointer;
  color: var(--ink-3); font-size: .85rem; padding: 0 .1rem;
  transition: color var(--transition);
}
.step-chip .chip-del:hover { color: var(--danger); }

/* ── Responsive ── */
@media (max-width: 720px) {
  #path-builder { grid-template-columns: 1fr; }
  .builder-panel { position: static; }
}