/*
 * Copyright 2026 Scott Gigawatt
 *
 * Licensed under the Apache License, Version 2.0.
 *
 * extra.css: Chart-room color system and Material component refinements for
 *            the Plundarrpedia public site.
 */

/* Shared chart-room color tokens used by both site palettes. */
:root {
  --plundarr-ink: #071a22;
  --plundarr-deep: #0a2833;
  --plundarr-sea: #0b7189;
  --plundarr-foam: #1fc7b6;
  --plundarr-brass: #d6a84b;
  --plundarr-parchment: #f4e7c3;
  --plundarr-coral: #ff7a66;
}

/* Light palette with parchment surfaces and readable ocean-blue links. */
[data-md-color-scheme="default"] {
  --md-primary-fg-color: var(--plundarr-ink);
  --md-primary-fg-color--light: #164653;
  --md-primary-fg-color--dark: #031015;
  --md-accent-fg-color: #087f78;
  --md-default-bg-color: #f8f5eb;
  --md-default-fg-color: #102c35;
  --md-typeset-a-color: #08798a;
  --md-code-bg-color: #e9eee9;
}

/* Dark palette with sea-glass accents and deep navy surfaces. */
[data-md-color-scheme="slate"] {
  color-scheme: dark;
  --md-hue: 192;
  --md-primary-fg-color: #06171e;
  --md-primary-fg-color--light: #123844;
  --md-primary-fg-color--dark: #020b0f;
  --md-accent-fg-color: var(--plundarr-foam);
  --md-default-bg-color: #071a22;
  --md-default-fg-color: #d9e8e6;
  --md-typeset-a-color: #5bd6c9;
  --md-code-bg-color: #041116;
  --md-footer-bg-color: #041116;
}

body {
  background-image:
    radial-gradient(circle at 12% 8%, rgb(31 199 182 / 10%), transparent 24rem),
    radial-gradient(circle at 88% 18%, rgb(214 168 75 / 9%), transparent 22rem);
}

.md-header,
.md-tabs {
  background-image: linear-gradient(115deg, #041116 0%, #0a3340 62%, #0b5664 100%);
}

.md-header {
  border-bottom: 1px solid rgb(214 168 75 / 36%);
}

.md-announce {
  background: linear-gradient(90deg, var(--plundarr-brass), #f0cf7d);
  color: #18282c;
}

.md-main__inner {
  margin-top: 1.5rem;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  letter-spacing: -0.02em;
  font-weight: 750;
}

.md-typeset h1 {
  color: var(--md-default-fg-color);
}

.md-typeset h2 {
  border-bottom: 1px solid rgb(11 113 137 / 24%);
  padding-bottom: 0.3rem;
}

.md-typeset .grid.cards > ul > li,
.md-typeset .grid > .card {
  background:
    linear-gradient(145deg, rgb(31 199 182 / 7%), transparent 62%),
    var(--md-default-bg-color);
  border: 1px solid rgb(11 113 137 / 28%);
  border-radius: 0.75rem;
  box-shadow: 0 0.55rem 1.5rem rgb(3 16 21 / 8%);
  transition: border-color 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}

.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid > .card:hover {
  border-color: var(--plundarr-foam);
  box-shadow: 0 0.8rem 2rem rgb(3 16 21 / 18%);
  transform: translateY(-3px);
}

.md-typeset .hero {
  background:
    linear-gradient(115deg, rgb(4 17 22 / 94%), rgb(8 59 69 / 88%)),
    repeating-radial-gradient(circle at 80% 20%, transparent 0 14px, rgb(214 168 75 / 14%) 15px 16px);
  border: 1px solid rgb(214 168 75 / 42%);
  border-radius: 1.2rem;
  box-shadow: 0 1.2rem 3.5rem rgb(3 16 21 / 24%);
  color: #eef8f6;
  margin: 0 0 2rem;
  overflow: hidden;
  padding: clamp(2rem, 6vw, 5rem);
  position: relative;
}

.md-typeset .hero::after {
  border: 1px solid rgb(214 168 75 / 32%);
  border-radius: 50%;
  content: "";
  height: 18rem;
  position: absolute;
  right: -7rem;
  top: -8rem;
  width: 18rem;
}

.md-typeset .hero h1 {
  color: #fff;
  font-size: clamp(2.4rem, 7vw, 4.8rem);
  line-height: 0.95;
  margin: 0 0 1rem;
  max-width: 10ch;
}

.md-typeset .hero p {
  color: #cfe3e0;
  font-size: 1.05rem;
  max-width: 58ch;
}

.md-typeset .hero .md-button {
  border-color: var(--plundarr-brass);
  color: #fff;
  margin: 0.5rem 0.4rem 0 0;
}

.md-typeset .hero .md-button--primary {
  background: var(--plundarr-brass);
  color: #18282c;
}

/* Keep standard article buttons visible against the dark chart-room palette. */
[data-md-color-scheme="slate"] .md-typeset .md-button:not(.md-button--primary) {
  border-color: var(--plundarr-foam);
  color: var(--plundarr-foam);
}

[data-md-color-scheme="slate"] .md-typeset .md-button:not(.md-button--primary):is(:focus, :hover) {
  background-color: var(--plundarr-foam);
  color: var(--plundarr-ink);
}

[data-md-color-scheme="slate"] .md-typeset .md-button--primary {
  background-color: var(--plundarr-brass);
  border-color: var(--plundarr-brass);
  color: var(--plundarr-ink);
}

.fleet-line {
  align-items: center;
  display: grid;
  gap: 0.4rem;
  grid-template-columns: repeat(5, 1fr);
  margin: 2rem 0;
}

.fleet-line span {
  background: linear-gradient(90deg, var(--plundarr-sea), var(--plundarr-foam));
  border-radius: 999px;
  height: 0.35rem;
}

.fleet-line b {
  color: var(--plundarr-brass);
  text-align: center;
}

/* Responsive architecture maps that work without a JavaScript diagram runtime. */
.flow-map {
  align-items: stretch;
  background: linear-gradient(135deg, rgb(11 113 137 / 12%), rgb(31 199 182 / 5%));
  border: 1px solid rgb(11 113 137 / 30%);
  border-radius: 0.8rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  justify-content: center;
  margin: 1rem 0;
  padding: 1rem;
}

.flow-map--support {
  background: linear-gradient(135deg, rgb(214 168 75 / 10%), transparent);
  border-color: rgb(214 168 75 / 34%);
}

.flow-map__step {
  align-items: center;
  background: var(--md-default-bg-color);
  border: 1px solid rgb(11 113 137 / 32%);
  border-radius: 0.55rem;
  box-shadow: 0 0.35rem 1rem rgb(3 16 21 / 8%);
  display: inline-flex;
  font-weight: 700;
  justify-content: center;
  min-height: 3.2rem;
  padding: 0.65rem 0.85rem;
  text-align: center;
}

.flow-map__arrow,
.flow-map__divider {
  align-items: center;
  color: var(--plundarr-brass);
  display: inline-flex;
  font-weight: 800;
  justify-content: center;
}

/* Numbered file-handoff sequence used on the Privateerr architecture page. */
.handoff-timeline {
  counter-reset: handoff-step;
  display: grid;
  gap: 0.8rem;
  list-style: none;
  margin-left: 0 !important;
  padding-left: 0 !important;
}

.handoff-timeline li {
  background: linear-gradient(135deg, rgb(11 113 137 / 9%), transparent);
  border-left: 0.3rem solid var(--plundarr-brass);
  border-radius: 0.35rem 0.65rem 0.65rem 0.35rem;
  counter-increment: handoff-step;
  padding: 0.9rem 1rem 0.9rem 3.2rem;
  position: relative;
}

.handoff-timeline li::before {
  align-items: center;
  background: var(--plundarr-ink);
  border-radius: 50%;
  color: var(--plundarr-parchment);
  content: counter(handoff-step);
  display: flex;
  font-weight: 800;
  height: 1.8rem;
  justify-content: center;
  left: 0.8rem;
  position: absolute;
  top: 0.75rem;
  width: 1.8rem;
}

.md-typeset .admonition,
.md-typeset details {
  border-radius: 0.55rem;
}

.md-typeset table:not([class]) {
  border-radius: 0.45rem;
  overflow: hidden;
}

.md-footer {
  border-top: 1px solid rgb(214 168 75 / 22%);
}

@media screen and (max-width: 44.984375em) {
  .md-content__button {
    display: none;
  }

  .md-typeset .hero {
    border-radius: 0.8rem;
    padding: 2rem 1.4rem;
  }

  .fleet-line {
    grid-template-columns: 1fr;
  }

  .fleet-line span {
    display: none;
  }

  .flow-map {
    align-items: stretch;
    flex-direction: column;
  }

  .flow-map__arrow,
  .flow-map__divider {
    min-height: 1.5rem;
    transform: rotate(90deg);
  }
}