/* ============================================================
   CLOSER.MAP — Sales call decision tree
   Dark, premium, Apple-like UI
   ============================================================ */

/* ---------- Tokens --------------------------------------------------- */
:root {
  /* Base */
  --bg: #0d0d0d;
  --bg-elev-1: #141414;
  --bg-elev-2: #1a1a1a;
  --bg-elev-3: #202020;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.14);

  /* Text */
  --text: #f5f5f7;
  --text-muted: #9a9a9f;
  --text-dim: #6b6b70;

  /* Accent */
  --accent: #a6202b;
  --accent-soft: rgba(166, 32, 43, 0.14);
  --accent-glow: rgba(166, 32, 43, 0.35);
  --accent-line: rgba(166, 32, 43, 0.55);

  /* Node-type accents (subtle borders/icons) */
  --c-stage:    #f5f5f7;
  --c-question: #6ea8ff;
  --c-client:   #d8a85a;
  --c-strategy: #b58cff;
  --c-response: #4fd0a4;
  --c-micro:    #ff8a5b;
  --c-final:    #a6202b;

  /* Shape */
  --r-sm: 10px;
  --r-md: 16px;
  --r-lg: 22px;
  --r-xl: 28px;

  /* Shadow */
  --shadow-1: 0 1px 0 rgba(255,255,255,0.04) inset, 0 8px 30px rgba(0,0,0,0.35);
  --shadow-2: 0 1px 0 rgba(255,255,255,0.05) inset, 0 20px 60px rgba(0,0,0,0.55);
  --shadow-accent: 0 0 0 1px var(--accent-line), 0 12px 40px var(--accent-glow);

  /* Motion */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --ease-snap: cubic-bezier(0.5, 0, 0.1, 1);
}

/* ---------- Reset ---------------------------------------------------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input { font: inherit; color: inherit; }

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-feature-settings: "ss01", "cv11";
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  letter-spacing: -0.005em;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Subtle ambient texture on body */
body::before {
  content: "";
  position: fixed; inset: 0;
  background:
    radial-gradient(900px 500px at 20% 0%, rgba(166,32,43,0.08), transparent 60%),
    radial-gradient(700px 500px at 100% 100%, rgba(255,255,255,0.025), transparent 60%);
  pointer-events: none;
  z-index: 0;
}

/* ---------- Top bar -------------------------------------------------- */
.topbar {
  position: relative;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  background: rgba(13,13,13,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--line);
}

.topbar__brand { display: flex; align-items: baseline; gap: 12px; }

.topbar__dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent-glow);
  align-self: center;
  animation: pulse 2.4s var(--ease) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.65; transform: scale(0.85); }
}

.topbar__title {
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.01em;
}
.topbar__title-accent { color: var(--accent); font-weight: 500; }

.topbar__sub {
  font-size: 12px;
  color: var(--text-dim);
  margin-left: 8px;
  border-left: 1px solid var(--line);
  padding-left: 12px;
}

.topbar__controls { display: flex; align-items: center; gap: 12px; }

/* Search */
.search {
  position: relative;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 7px 10px 7px 12px;
  width: 320px;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}
.search:focus-within {
  border-color: var(--accent-line);
  background: var(--bg-elev-3);
}
.search svg { color: var(--text-dim); flex-shrink: 0; }
.search__input {
  flex: 1;
  background: transparent;
  border: none;
  outline: none;
  font-size: 13px;
  color: var(--text);
}
.search__input::placeholder { color: var(--text-dim); }
.search__kbd {
  font-family: 'Inter', monospace;
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--bg-elev-3);
  color: var(--text-dim);
  border: 1px solid var(--line);
}

/* Mode switch */
.mode-switch {
  display: flex;
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
}
.mode-switch__btn {
  font-size: 12px;
  font-weight: 500;
  padding: 6px 14px;
  border-radius: 999px;
  color: var(--text-muted);
  transition: all .25s var(--ease);
}
.mode-switch__btn:hover { color: var(--text); }
.mode-switch__btn.is-active {
  background: var(--bg-elev-3);
  color: var(--text);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05) inset, 0 2px 8px rgba(0,0,0,0.4);
}

/* Zoom */
.zoom-controls {
  display: flex;
  align-items: center;
  gap: 4px;
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
}
.icon-btn {
  width: 28px; height: 28px;
  display: grid; place-items: center;
  border-radius: 999px;
  color: var(--text-muted);
  transition: all .2s var(--ease);
}
.icon-btn:hover { background: var(--bg-elev-3); color: var(--text); }
.icon-btn--ghost { background: transparent; }
.zoom-controls__value {
  font-size: 11px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
  min-width: 38px;
  text-align: center;
}

/* ---------- Main layout ---------------------------------------------- */
.main {
  position: relative;
  display: grid;
  grid-template-columns: 1fr 360px;
  height: calc(100vh - 57px);
}

/* ---------- Canvas --------------------------------------------------- */
.canvas {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(ellipse 800px 500px at 50% 50%, rgba(255,255,255,0.02), transparent 70%),
    var(--bg);
  cursor: grab;
  touch-action: none;
}
.canvas.is-panning { cursor: grabbing; }

/* Dot grid */
.canvas::before {
  content: "";
  position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.045) 1px, transparent 1px);
  background-size: 28px 28px;
  background-position: 0 0;
  pointer-events: none;
  mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse at center, #000 30%, transparent 80%);
}

.canvas__viewport {
  position: absolute;
  top: 0; left: 0;
  transform-origin: 0 0;
  will-change: transform;
}
.canvas__edges {
  position: absolute; top: 0; left: 0;
  pointer-events: none;
  overflow: visible;
}
.canvas__nodes {
  position: relative;
}

/* ---------- Edges ---------------------------------------------------- */
.edge {
  fill: none;
  stroke: var(--line-strong);
  stroke-width: 1.5;
  transition: stroke .35s var(--ease), stroke-width .35s var(--ease), opacity .35s var(--ease);
}
.edge.is-highlighted {
  stroke: var(--accent);
  stroke-width: 2.2;
  filter: drop-shadow(0 0 8px var(--accent-glow));
}
.edge.is-dimmed { opacity: 0.25; }

/* Animated dash on highlighted */
.edge.is-highlighted {
  stroke-dasharray: 6 5;
  animation: flow 1.6s linear infinite;
}
@keyframes flow {
  to { stroke-dashoffset: -22; }
}

/* ---------- Nodes ---------------------------------------------------- */
.node {
  position: absolute;
  width: 240px;
  background: linear-gradient(180deg, var(--bg-elev-2) 0%, var(--bg-elev-1) 100%);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 14px 16px;
  box-shadow: var(--shadow-1);
  transition:
    transform .35s var(--ease),
    box-shadow .35s var(--ease),
    border-color .35s var(--ease),
    opacity .35s var(--ease),
    background .35s var(--ease);
  user-select: none;
  cursor: pointer;
  opacity: 0;
  animation: nodeIn .5s var(--ease) forwards;
}
@keyframes nodeIn {
  from { opacity: 0; transform: translateY(8px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
/* Apply translate via inline style for positioning, animation handles entrance */
.node[style] { animation-delay: var(--enter-delay, 0ms); }

.node:hover {
  border-color: var(--line-strong);
  box-shadow: var(--shadow-2);
  z-index: 3;
}

.node.is-active {
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
  z-index: 4;
}
.node.is-on-path {
  border-color: var(--accent-line);
}
.node.is-dimmed { opacity: 0.32; filter: saturate(0.5); }

.node__head {
  display: flex; align-items: center; gap: 8px;
  margin-bottom: 8px;
}
.node__type-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--node-color, var(--text-dim));
  box-shadow: 0 0 8px var(--node-color, transparent);
  flex-shrink: 0;
}
.node__type {
  font-size: 9.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--node-color, var(--text-muted));
}
.node__index {
  margin-left: auto;
  font-size: 10px;
  color: var(--text-dim);
  font-variant-numeric: tabular-nums;
}

.node__title {
  font-size: 14px;
  font-weight: 600;
  line-height: 1.35;
  color: var(--text);
  letter-spacing: -0.01em;
}

.node__script {
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  font-style: italic;
  color: var(--text-muted);
  line-height: 1.5;
  display: none; /* shown in deep mode */
}
body.is-deep .node__script { display: block; }

/* Hover summary tooltip */
.node__hover {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%) translateY(4px);
  background: rgba(20,20,20,0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-sm);
  padding: 8px 12px;
  font-size: 11.5px;
  color: var(--text-muted);
  white-space: nowrap;
  max-width: 280px;
  white-space: normal;
  width: max-content;
  pointer-events: none;
  opacity: 0;
  transition: opacity .25s var(--ease), transform .25s var(--ease);
  box-shadow: 0 8px 24px rgba(0,0,0,0.6);
  z-index: 10;
}
.node:hover .node__hover {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* Branch toggle */
.node__toggle {
  position: absolute;
  right: -10px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px; height: 20px;
  background: var(--bg-elev-3);
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 10px;
  color: var(--text-muted);
  z-index: 5;
  transition: all .2s var(--ease);
}
.node__toggle:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: white;
}
.node__toggle::before {
  content: "−";
  font-weight: 600;
  line-height: 1;
}
.node.is-collapsed .node__toggle::before { content: "+"; }

/* Hidden via collapse */
.node.is-hidden {
  opacity: 0;
  pointer-events: none;
  transform: scale(0.85);
}

/* Search highlight */
.node.is-search-match {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft), var(--shadow-2);
}
.node.is-search-dimmed {
  opacity: 0.18;
  filter: blur(0.5px) saturate(0.4);
}

/* ---------- Legend & Hint ------------------------------------------- */
.legend {
  position: absolute;
  bottom: 18px; left: 18px;
  display: flex; flex-wrap: wrap;
  gap: 6px 12px;
  padding: 10px 14px;
  background: rgba(20,20,20,0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  font-size: 11px;
  color: var(--text-muted);
  z-index: 4;
  max-width: 540px;
}
.legend__item { display: flex; align-items: center; gap: 6px; }
.legend__chip {
  width: 8px; height: 8px; border-radius: 50%;
  display: inline-block;
}
.legend__chip--stage    { background: var(--c-stage); }
.legend__chip--question { background: var(--c-question); }
.legend__chip--client   { background: var(--c-client); }
.legend__chip--strategy { background: var(--c-strategy); }
.legend__chip--response { background: var(--c-response); }
.legend__chip--micro    { background: var(--c-micro); }
.legend__chip--final    { background: var(--c-final); box-shadow: 0 0 6px var(--accent-glow); }

.hint {
  position: absolute;
  bottom: 18px; right: 18px;
  font-size: 11px;
  color: var(--text-dim);
  background: rgba(20,20,20,0.7);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  padding: 8px 12px;
  z-index: 4;
}
.hint__key {
  display: inline-block;
  padding: 1px 6px;
  border-radius: 4px;
  background: var(--bg-elev-3);
  color: var(--text-muted);
  border: 1px solid var(--line);
  font-size: 10px;
  margin: 0 2px;
}

/* ---------- Sidebar -------------------------------------------------- */
.sidebar {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--bg-elev-1);
  border-left: 1px solid var(--line);
  z-index: 3;
}

.sidebar__header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px 14px;
  border-bottom: 1px solid var(--line);
}
.sidebar__eyebrow {
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--text-dim);
}

.sidebar__body {
  flex: 1;
  overflow-y: auto;
  padding: 22px;
  scrollbar-width: thin;
  scrollbar-color: var(--bg-elev-3) transparent;
}
.sidebar__body::-webkit-scrollbar { width: 6px; }
.sidebar__body::-webkit-scrollbar-thumb { background: var(--bg-elev-3); border-radius: 999px; }

.sidebar__empty {
  text-align: center;
  padding: 40px 0;
  color: var(--text-dim);
}
.sidebar__empty-icon {
  width: 48px; height: 48px;
  margin: 0 auto 16px;
  display: grid; place-items: center;
  background: var(--bg-elev-2);
  border-radius: 50%;
  border: 1px solid var(--line);
  color: var(--text-muted);
}
.sidebar__empty-title {
  font-size: 14px; font-weight: 500; color: var(--text-muted);
  margin-bottom: 6px;
}
.sidebar__empty-text { font-size: 12.5px; line-height: 1.55; max-width: 240px; margin: 0 auto; }

/* Sidebar content cards */
.sb-card {
  animation: fadeUp .4s var(--ease);
}
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

.sb-type {
  display: inline-flex;
  align-items: center; gap: 6px;
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--node-color, var(--accent));
  margin-bottom: 10px;
}
.sb-type::before {
  content: ""; width: 6px; height: 6px; border-radius: 50%;
  background: var(--node-color, var(--accent));
  box-shadow: 0 0 8px var(--node-color, var(--accent-glow));
}

.sb-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.25;
  margin-bottom: 22px;
}

.sb-block {
  margin-bottom: 20px;
  padding: 14px 16px;
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}
.sb-block__label {
  display: flex; align-items: center; gap: 6px;
  font-size: 9.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.sb-block__label-bar {
  width: 16px; height: 1.5px;
  background: var(--accent);
}
.sb-block__content {
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
}
.sb-block--script .sb-block__content {
  font-style: italic;
  color: #f0d3d6;
  font-size: 14.5px;
}
.sb-block--intent .sb-block__content,
.sb-block--notes .sb-block__content {
  color: var(--text-muted);
  font-size: 13px;
}

/* Next-step pill */
.sb-next {
  margin-top: 6px;
  padding: 14px 16px;
  background: linear-gradient(180deg, rgba(166,32,43,0.10) 0%, rgba(166,32,43,0.04) 100%);
  border: 1px solid rgba(166,32,43,0.35);
  border-radius: var(--r-md);
}
.sb-next__label {
  font-size: 9.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--accent);
  margin-bottom: 10px;
  display: flex; align-items: center; gap: 6px;
}
.sb-next__label::before {
  content: "→"; font-size: 12px;
}
.sb-next__list {
  display: flex; flex-direction: column; gap: 6px;
  list-style: none;
}
.sb-next__btn {
  display: flex; align-items: center; gap: 10px;
  width: 100%;
  text-align: left;
  padding: 10px 12px;
  background: var(--bg-elev-2);
  border: 1px solid var(--line);
  border-radius: var(--r-sm);
  font-size: 12.5px;
  color: var(--text);
  transition: all .2s var(--ease);
}
.sb-next__btn:hover {
  background: var(--bg-elev-3);
  border-color: var(--accent-line);
  transform: translateX(2px);
}
.sb-next__btn-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--btn-color, var(--text-muted));
  flex-shrink: 0;
}
.sb-next__btn-arrow {
  margin-left: auto;
  color: var(--text-dim);
  font-size: 11px;
}

/* Sidebar footer with path trail */
.sidebar__footer {
  border-top: 1px solid var(--line);
  padding: 14px 22px;
  background: var(--bg);
}
.path-trail { display: flex; align-items: center; gap: 10px; }
.path-trail__label {
  font-size: 9.5px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-dim);
}
.path-trail__items {
  display: flex; flex-wrap: wrap; gap: 4px;
  font-size: 11px;
  color: var(--text-muted);
}
.path-trail__crumb {
  padding: 3px 8px;
  background: var(--bg-elev-2);
  border-radius: 999px;
  border: 1px solid var(--line);
  white-space: nowrap;
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.path-trail__crumb.is-current {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--text);
}
.path-trail__sep { color: var(--text-dim); margin: 0 -2px; }
.path-trail__empty { color: var(--text-dim); font-style: italic; }

/* ---------- Toast ---------------------------------------------------- */
.toast {
  position: fixed;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%) translateY(20px);
  background: rgba(20,20,20,0.95);
  backdrop-filter: blur(12px);
  border: 1px solid var(--line-strong);
  border-radius: var(--r-md);
  padding: 10px 18px;
  font-size: 12.5px;
  color: var(--text);
  opacity: 0;
  pointer-events: none;
  transition: all .35s var(--ease);
  z-index: 100;
  box-shadow: var(--shadow-2);
}
.toast.is-visible {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ---------- Responsive ---------------------------------------------- */
@media (max-width: 1100px) {
  .main { grid-template-columns: 1fr 320px; }
  .topbar__sub { display: none; }
  .search { width: 220px; }
}
@media (max-width: 820px) {
  .main { grid-template-columns: 1fr; }
  .sidebar {
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 320px;
    transform: translateX(100%);
    transition: transform .35s var(--ease);
  }
  .sidebar.is-open { transform: translateX(0); }
  .topbar__controls .mode-switch,
  .topbar__controls .zoom-controls { display: none; }
  .legend { display: none; }
}