/* Platform offering diagrams. Load after offering-visuals.css.
   Covers Self-Service DevOps Platform, Trusted Software Delivery, and End-to-End Observability Platform.
   Shared ov-* primitives come from offering-visuals.css; every class added here is prefixed ovp-. */

/* --------------------------------------------------------------- shared */

.ovp-headline { min-width: 0; }

.ovp-meta { flex: 0 1 auto; text-align: right; }

.ovp-board { --ovp-gap: 24px; --ovp-line: rgba(255, 255, 255, .3); }

.ovp-board-body { display: flex; flex-direction: column; }

.ovp-diagram { min-width: 0; }

.ovp-lane-label,
.ovp-layer-name,
.ovp-role-label,
.ovp-handoff-label,
.ovp-vhandoff-label {
  font: 10px/1.6 Protomono, monospace;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ov-muted, #b4c0c7);
}

.ovp-lane-label { margin: 0 0 10px; }

.ovp-chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

.ov-node .ovp-chip {
  display: inline-block;
  margin: 0;
  padding: 4px 8px;
  border: 1px solid rgba(255, 255, 255, .18);
  color: var(--ov-muted, #b4c0c7);
  font: 10px/1.5 Protomono, monospace;
  letter-spacing: .04em;
}

.ov-node .ov-index { margin: 0 0 8px; }

/* ------------------------------------------------- column rows and buses */

.ovp-colset {
  display: grid;
  grid-template-columns: repeat(var(--ovp-cols, 4), minmax(0, 1fr));
  gap: var(--ovp-gap);
  align-items: stretch;
}
.ovp-colset--2 { --ovp-cols: 2; }
.ovp-colset--3 { --ovp-cols: 3; }
.ovp-colset--4 { --ovp-cols: 4; }

.ovp-bus {
  --ovp-cols: 4;
  --ovp-span: calc(100% * (var(--ovp-cols) - 1) / var(--ovp-cols) + var(--ovp-gap) * (var(--ovp-cols) - 1) / var(--ovp-cols));
  position: relative;
  height: 54px;
}
.ovp-bus--2 { --ovp-cols: 2; }
.ovp-bus--3 { --ovp-cols: 3; }
.ovp-bus--4 { --ovp-cols: 4; }

.ovp-bus > span {
  position: absolute;
  width: 1px;
  background: var(--ovp-line);
  transform: translateX(-50%);
}

/* Stub centres: first and last columns of each row of equal columns. */
.ovp-bus--2 > span:nth-child(1) { left: calc(25% - .25 * var(--ovp-gap)); }
.ovp-bus--2 > span:nth-child(2) { left: calc(75% + .25 * var(--ovp-gap)); }
.ovp-bus--3 > span:nth-child(1) { left: calc(16.6667% - .3333 * var(--ovp-gap)); }
.ovp-bus--3 > span:nth-child(2) { left: 50%; }
.ovp-bus--3 > span:nth-child(3) { left: calc(83.3333% + .3333 * var(--ovp-gap)); }
.ovp-bus--4 > span:nth-child(1) { left: calc(12.5% - .375 * var(--ovp-gap)); }
.ovp-bus--4 > span:nth-child(2) { left: calc(37.5% - .125 * var(--ovp-gap)); }
.ovp-bus--4 > span:nth-child(3) { left: calc(62.5% + .125 * var(--ovp-gap)); }
.ovp-bus--4 > span:nth-child(4) { left: calc(87.5% + .375 * var(--ovp-gap)); }

/* Collect from above, single arrow into the block below. */
.ovp-bus--in > span { top: 0; height: 20px; }
.ovp-bus--in::before {
  content: "";
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: var(--ovp-span);
  height: 1px;
  background: var(--ovp-line);
}
.ovp-bus--in::after {
  content: "";
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 34px;
  background: var(--ovp-line);
}
.ovp-bus--in > b {
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 11px;
  height: 6px;
  background: var(--ov-accent);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

/* Arrow from above, then one stub per column below. */
.ovp-bus--out { height: 54px; }
.ovp-bus--out::before {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 20px;
  background: var(--ovp-line);
}
.ovp-bus--out::after {
  content: "";
  position: absolute;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  width: var(--ovp-span);
  height: 1px;
  background: var(--ovp-line);
}
.ovp-bus--out > span { top: 20px; height: 34px; }
.ovp-bus--out > span::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 11px;
  height: 6px;
  background: var(--ov-accent);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}
.ovp-bus--out > b { display: none; }

/* Single centred arrow between stacked blocks. */
.ovp-down {
  display: block;
  position: relative;
  width: 1px;
  height: 34px;
  margin: 0 auto;
  background: var(--ovp-line);
}
.ovp-down::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 11px;
  height: 6px;
  background: var(--ov-accent);
  clip-path: polygon(0 0, 100% 0, 50% 100%);
}

.ovp-vhandoff {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 8px 0;
}
.ovp-vhandoff .ovp-down { margin: 0; }

/* --------------------------------------------------------- role zones */

.ovp-role {
  border-left: 2px solid rgba(255, 255, 255, .14);
  padding: 14px 0 14px 18px;
}
.ovp-role--assistant {
  border-left: 2px dashed var(--ov-accent);
  background: rgba(255, 255, 255, .035);
  padding-right: 16px;
}
.ovp-role > .ovp-role-label { margin-bottom: 10px; }
.ovp-role--assistant > .ovp-role-label { color: var(--ov-accent); }
.ovp-role .ovp-down { margin: 0 auto; }

/* --------------------------------------------------- pipeline with a branch */

.ovp-pipe {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 44px minmax(0, 1fr) 44px minmax(0, 1fr) 44px minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
}
.ovp-pipe-step { display: flex; }
.ovp-pipe-step > .ov-node { flex: 1 1 auto; }

.ovp-pipe-arrow {
  position: relative;
  align-self: center;
  height: 1px;
  background: var(--ovp-line);
}
.ovp-pipe-arrow::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1px;
  transform: translateY(-50%);
  width: 6px;
  height: 10px;
  background: var(--ov-accent);
  clip-path: polygon(0 0, 0 100%, 100% 50%);
}

.ovp-branch-item { grid-row: 2; grid-column: 3 / 5; }
.ovp-branch-inner { width: calc(100% - 44px); }
.ovp-branch-inner > .ovp-down { height: 30px; }
.ovp-quarantine {
  border-style: dashed;
  border-color: var(--ov-accent);
  background: rgba(255, 255, 255, .03);
}
.ovp-gate-outcome {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px dashed var(--ov-accent);
}

/* ------------------------------------------------------ chain of custody */

.ovp-custody { display: flex; align-items: stretch; }
.ovp-station { display: flex; flex: 1 1 0; min-width: 0; }
.ovp-station > .ov-node { flex: 1 1 auto; }

.ovp-handoff {
  display: flex;
  flex: 0 0 148px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 0 12px;
}
.ovp-handoff-line {
  position: relative;
  width: 100%;
  height: 1px;
  background: var(--ovp-line);
}
.ovp-handoff-line::after {
  content: "";
  position: absolute;
  top: 50%;
  right: -1px;
  transform: translateY(-50%);
  width: 6px;
  height: 10px;
  background: var(--ov-accent);
  clip-path: polygon(0 0, 0 100%, 100% 50%);
}
.ovp-handoff-label { text-align: center; }

/* ----------------------------------------------------------- layer stack */

.ovp-layer {
  display: grid;
  grid-template-columns: 128px minmax(0, 1fr);
  gap: 20px;
  align-items: start;
}
.ovp-layer + .ovp-layer { margin-top: 16px; }
.ovp-layer-name { padding-top: 20px; }

.ovp-vlink { display: grid; grid-template-columns: 128px minmax(0, 1fr); gap: 20px; }
.ovp-vlink-body {
  grid-column: 2;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 0;
}
.ovp-vlink-arrow {
  position: relative;
  flex: 0 0 auto;
  width: 1px;
  height: 46px;
  background: var(--ovp-line);
}
.ovp-vlink-arrow::after {
  content: "";
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 11px;
  height: 6px;
  background: var(--ov-accent);
  clip-path: polygon(0 100%, 100% 100%, 50% 0);
}
.ovp-vlink-label { font: 11px/1.5 Protomono, monospace; color: var(--ov-accent); }

/* -------------------------------------------------------------- 767px */

@media (max-width: 991px) {
  .ovp-colset--2,
  .ovp-colset--3,
  .ovp-colset--4 { --ovp-cols: 1; gap: 16px; }

  .ovp-bus { height: 40px; }
  .ovp-bus::before { content: none; }
  .ovp-bus::after {
    content: "";
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 1px;
    height: 100%;
    background: var(--ovp-line);
  }
  .ovp-bus > span { display: none; }
  .ovp-bus > b {
    display: block;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 11px;
    height: 6px;
    background: var(--ov-accent);
    clip-path: polygon(0 0, 100% 0, 50% 100%);
  }

  .ovp-pipe { grid-template-columns: minmax(0, 1fr); }
  .ovp-pipe-arrow {
    width: 1px;
    height: 34px;
    justify-self: center;
  }
  .ovp-pipe-arrow::after {
    top: auto;
    right: auto;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 11px;
    height: 6px;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
  }
  .ovp-branch-item { grid-row: auto; grid-column: auto; order: 1; border-top: 1px dashed var(--ov-accent); margin-top: 24px; padding-top: 20px; }
  .ovp-branch-inner { width: auto; margin-left: 22px; }
  .ovp-branch-inner > .ovp-down { display: none; }

  .ovp-custody { display: block; }
  .ovp-station { display: block; }
  .ovp-handoff {
    flex-direction: row;
    align-items: center;
    justify-content: flex-start;
    gap: 12px;
    padding: 12px 0 12px 22px;
  }
  .ovp-handoff-line {
    width: 1px;
    height: 26px;
    flex: 0 0 auto;
  }
  .ovp-handoff-line::after {
    top: auto;
    right: auto;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 11px;
    height: 6px;
    clip-path: polygon(0 0, 100% 0, 50% 100%);
  }
  .ovp-handoff-label { text-align: left; }

  .ovp-layer,
  .ovp-vlink { grid-template-columns: minmax(0, 1fr); gap: 8px; }
  .ovp-layer + .ovp-layer { margin-top: 20px; }
  .ovp-layer-name { padding-top: 0; }
  .ovp-vlink-body { grid-column: auto; }
}