/* Nested drill-down roadmap — used with nested-roadmap.js */

.ks-nested-roadmap {
  --ks-nrm-bar-h: 2.25rem;
  --ks-nrm-track-label-w: minmax(7.5rem, 12%);
  --ks-nrm-gap: 0.35rem;
  border: 1px solid var(--forge-border, rgba(255, 255, 255, 0.12));
  border-radius: 12px;
  padding: 1rem 1.1rem;
  background: color-mix(in srgb, var(--forge-surface, #111827) 92%, transparent);
}

.ks-nested-roadmap__chrome {
  margin-bottom: 0.75rem;
}

.ks-nested-roadmap__breadcrumb {
  display: inline;
  font-weight: 600;
}

.ks-nested-roadmap__bc-sep {
  opacity: 0.45;
  margin: 0 0.35rem;
  font-weight: 400;
}

.ks-nested-roadmap__bc-btn {
  background: none;
  border: none;
  padding: 0;
  margin: 0;
  color: var(--forge-cyan, #06b6d4);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 0.12em;
}

.ks-nested-roadmap__bc-btn:hover {
  color: var(--forge-text, #e5e7eb);
}

.ks-nested-roadmap__bc-current {
  font-weight: 700;
  color: var(--forge-text, #f9fafb);
}

.ks-nested-roadmap__viewport {
  overflow-x: auto;
}

.ks-nrm-grid {
  display: grid;
  grid-template-columns: var(--ks-nrm-track-label-w) repeat(var(--ks-nrm-cols, 4), minmax(2.5rem, 1fr));
  gap: var(--ks-nrm-gap);
  align-items: stretch;
  min-width: min(100%, 36rem);
}

.ks-nrm-grid--mini {
  --ks-nrm-bar-h: 1.5rem;
  min-width: 0;
  font-size: 0.78rem;
}

.ks-nrm-corner {
  border-radius: 6px;
  min-height: 1.75rem;
}

.ks-nrm-col-head {
  text-align: center;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--forge-text-3, #9ca3af);
  padding: 0.35rem 0.2rem;
  border-bottom: 1px solid var(--forge-border, rgba(255, 255, 255, 0.1));
}

.ks-nrm-track-label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--forge-text-2, #d1d5db);
  padding: 0.5rem 0.35rem 0.5rem 0;
  align-self: center;
}

.ks-nrm-lane {
  display: grid;
  grid-template-columns: repeat(var(--ks-nrm-cols, 4), minmax(2.5rem, 1fr));
  grid-column: 2 / -1;
  position: relative;
  min-height: var(--ks-nrm-bar-h);
  align-items: center;
  border-radius: 8px;
  background: color-mix(in srgb, var(--forge-surface-2, #1f2937) 55%, transparent);
  padding: 0.25rem 0;
}

.ks-nrm-bar {
  box-sizing: border-box;
  min-height: var(--ks-nrm-bar-h);
  border-radius: 6px;
  padding: 0.2rem 0.5rem;
  font-size: 0.78rem;
  font-weight: 600;
  line-height: 1.2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.35rem;
  text-align: left;
  border: 1px solid rgba(255, 255, 255, 0.14);
  color: #0c1220;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ks-nrm-bar--leaf {
  cursor: default;
}

.ks-nrm-bar--drill {
  cursor: pointer;
  border-color: rgba(6, 182, 212, 0.45);
  box-shadow: inset 0 0 0 1px rgba(6, 182, 212, 0.12);
}

.ks-nrm-bar--drill:hover {
  border-color: rgba(6, 182, 212, 0.75);
  filter: brightness(1.05);
}

.ks-nrm-bar__label {
  flex: 1 1 auto;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ks-nrm-bar__nest-icon {
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  opacity: 0.9;
  background: rgba(0, 0, 0, 0.2);
  border-radius: 4px;
  position: relative;
}

.ks-nrm-bar__nest-icon::before,
.ks-nrm-bar__nest-icon::after {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  height: 2px;
  border-radius: 1px;
  background: currentColor;
  opacity: 0.85;
}

.ks-nrm-bar__nest-icon::before {
  top: 3px;
}

.ks-nrm-bar__nest-icon::after {
  bottom: 3px;
  width: 70%;
}

.ks-nrm-bar--cyan {
  background: linear-gradient(135deg, #22d3ee, #06b6d4);
}

.ks-nrm-bar--emerald {
  background: linear-gradient(135deg, #34d399, #059669);
}

.ks-nrm-bar--amber {
  background: linear-gradient(135deg, #fcd34d, #f59e0b);
  color: #1a1204;
}

.ks-nrm-bar--violet {
  background: linear-gradient(135deg, #a78bfa, #7c3aed);
  color: #f5f3ff;
}

/* Modal */
.ks-nrm-backdrop {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 10050;
  background: rgba(5, 7, 12, 0.92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: clamp(1rem, 3vmin, 2rem);
  overflow-y: auto;
  box-sizing: border-box;
}

.ks-nrm-backdrop.ks-nrm-backdrop--open {
  display: flex !important;
  align-items: center;
  justify-content: center;
}

.ks-nrm-dialog {
  background: var(--forge-surface, #111827);
  border: 1px solid var(--forge-border, rgba(255, 255, 255, 0.12));
  border-radius: 16px;
  width: min(640px, calc(100vw - 2rem));
  max-height: calc(100vh - 2rem);
  margin: auto;
  flex-shrink: 0;
  overflow: hidden;
  box-shadow: 0 0 60px rgba(6, 182, 212, 0.08), 0 0 2px rgba(6, 182, 212, 0.15);
  display: flex;
  flex-direction: column;
}

.ks-nrm-dialog__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--forge-border, rgba(255, 255, 255, 0.1));
}

.ks-nrm-dialog__title {
  font-family: var(--font-display, inherit);
  font-weight: 800;
  font-size: 1.05rem;
  margin: 0;
  padding-right: 0.75rem;
}

.ks-nrm-dialog__close {
  background: none;
  border: 1px solid var(--forge-border, rgba(255, 255, 255, 0.12));
  border-radius: 8px;
  color: var(--forge-text-3, #9ca3af);
  cursor: pointer;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  flex-shrink: 0;
}

.ks-nrm-dialog__close:hover {
  color: var(--forge-text, #f3f4f6);
  border-color: var(--forge-border-hover, rgba(255, 255, 255, 0.2));
  background: var(--forge-surface-2, #1f2937);
}

.ks-nrm-dialog__close-icon::before {
  content: "\00d7";
  font-size: 1.35rem;
  line-height: 1;
}

.ks-nrm-dialog__body {
  padding: 1rem 1.25rem 1.25rem;
  overflow-y: auto;
}

.ks-nrm-dialog__preview {
  border: 1px solid var(--forge-border, rgba(255, 255, 255, 0.1));
  border-radius: 10px;
  padding: 0.5rem;
  background: color-mix(in srgb, var(--forge-surface-2, #1f2937) 80%, transparent);
  max-height: 14rem;
  overflow: auto;
}

/* Tooltip */
.ks-nrm-tooltip {
  position: fixed;
  z-index: 10060;
  max-width: min(22rem, calc(100vw - 1rem));
  padding: 0.55rem 0.7rem;
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--forge-text, #f3f4f6);
  background: var(--forge-surface-2, #1f2937);
  border: 1px solid rgba(6, 182, 212, 0.35);
  border-radius: 8px;
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.45);
  pointer-events: none;
}

.ks-nrm-tooltip__title {
  font-weight: 700;
  margin-bottom: 0.35rem;
  color: var(--forge-cyan, #06b6d4);
}

.ks-nrm-tooltip ul {
  margin: 0;
  padding-left: 1.1rem;
}

.ks-nrm-tooltip li {
  margin: 0.15rem 0;
}