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

html {
  font-size: 16px;
}

body {
  margin: 0;
  background: var(--color-bg-page);
  color: var(--color-text-body);
  font-family: var(--font-body);
  line-height: 1.6;
}

h1,
h2,
h3 {
  margin: 0 0 0.5rem;
  color: var(--color-primary-green);
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
}

h1 {
  font-size: 2rem;
  text-transform: uppercase;
}

h2 {
  font-size: 1.25rem;
  text-transform: uppercase;
}

a {
  color: var(--color-primary-green);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.link-arrow::after {
  content: " \2192";
}

/* Navigation: navy bar is the only place navy is used. */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
  background: var(--color-primary-navy);
  color: var(--color-white);
  font-family: var(--font-heading);
}

.nav__logo {
  display: block;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary-green-dark);
}

.nav__title {
  color: var(--color-white);
  font-weight: 700;
  text-transform: lowercase;
}

.nav__links {
  display: flex;
  flex: 1;
  gap: 1.25rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav__links a {
  color: var(--color-white);
  font-weight: 500;
  font-size: 0.9375rem;
}

.nav__toggle {
  display: none;
  margin-left: auto;
  padding: 0.5rem;
  border: 0;
  background: transparent;
  color: var(--color-white);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Amber is reserved for the primary action. */
.button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.625rem 1.25rem;
  border: 1px solid var(--color-primary-green);
  border-radius: 999px;
  background: transparent;
  color: var(--color-primary-green);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  text-transform: uppercase;
  cursor: pointer;
}

.button--primary {
  border-color: var(--color-accent-amber);
  background: var(--color-accent-amber);
  color: var(--color-text-body);
}

.button--primary::after {
  content: "\2192";
}

.button:focus-visible,
.nav__toggle:focus-visible,
a:focus-visible {
  outline: 3px solid var(--color-accent-tech-blue);
  outline-offset: 2px;
}

.page {
  max-width: 72rem;
  margin: 0 auto;
  padding: 1.5rem 1rem 3rem;
}

.eyebrow {
  margin: 0 0 0.25rem;
  color: var(--color-primary-green);
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.notice {
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--color-accent-tech-blue);
  background: var(--color-bg-blue-tint);
}

.notice--error {
  border-left-color: var(--color-error);
}

.muted {
  color: var(--color-text-muted);
}

/* Tiles: 3 columns on desktop, 2 on tablet, 1 on mobile. */
.tiles {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.tile {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  min-height: 9rem;
  padding: 1rem;
  background: var(--color-tile);
  color: var(--color-white);
  font-family: var(--font-heading);
  transition: transform 0.15s ease, background 0.15s ease;
}

.tile:hover {
  background: var(--color-primary-green-alt);
  transform: translateY(-2px);
}

.tile__label {
  font-weight: 700;
  text-transform: uppercase;
}

.tile__label::after {
  display: block;
  content: "\2192";
}

@media (max-width: 60rem) {
  .tiles {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 40rem) {
  .tiles {
    grid-template-columns: 1fr;
  }

  .nav__toggle {
    display: block;
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    padding: 0.5rem 1rem 1rem;
    background: var(--color-primary-navy);
  }

  .nav--open .nav__links {
    display: flex;
  }

  .nav__links a {
    display: block;
    padding: 0.5rem 0;
  }

  h1 {
    font-size: 1.5rem;
  }
}

[hidden] {
  display: none !important;
}

/* New evaluation */
.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin: 1rem 0;
}

.preview {
  display: block;
  max-width: 100%;
  max-height: 24rem;
  margin: 1rem 0;
  border: 1px solid var(--color-border);
}

progress {
  display: block;
  width: 100%;
  max-width: 24rem;
  height: 0.75rem;
  accent-color: var(--color-primary-green);
}

/* Detail: counts and annotated image. Class is told apart by shape and letter, not colour alone. */
.counts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 2px solid var(--color-primary-navy-alt);
  background: var(--color-white);
  color: var(--color-primary-navy-alt);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
}

.badge--open {
  border-radius: 50%;
}

.badge--sealed {
  border-color: var(--color-primary-green);
  background: var(--color-primary-green);
  color: var(--color-white);
}

.badge--hatched {
  border-color: var(--color-accent-tech-blue);
  color: var(--color-accent-tech-blue);
}

.badge--uncertain {
  border-style: dashed;
  border-radius: 50%;
  border-color: var(--color-text-muted);
  color: var(--color-text-muted);
}

.annotated {
  display: block;
  width: 100%;
  max-width: 48rem;
  height: auto;
  background: var(--color-bg-alt);
}

/* Marker colours are provisional until design sign-off (tasks T084). */
.marker {
  fill: none;
  stroke-width: 4;
}

.marker--open {
  stroke: var(--color-primary-navy-alt);
}

.marker--sealed {
  fill: var(--color-primary-green);
  fill-opacity: 0.55;
  stroke: var(--color-primary-green);
}

.marker--hatched {
  stroke: var(--color-accent-tech-blue);
}

.marker--uncertain {
  stroke: var(--color-text-muted);
  stroke-dasharray: 8 6;
}

.marker__letter {
  fill: var(--color-white);
  stroke: var(--color-primary-navy);
  stroke-width: 1;
  paint-order: stroke;
  font-family: var(--font-heading);
  font-weight: 700;
  text-anchor: middle;
  dominant-baseline: central;
}


/* Evaluations list and boxes */
.list {
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.list__row {
  display: grid;
  grid-template-columns: 12rem 9rem 7rem 1fr auto;
  gap: 0.5rem 1rem;
  align-items: baseline;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.status {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
}

.status--done {
  color: var(--color-primary-green);
}

.status--failed {
  color: var(--color-error);
}

.tile--box {
  justify-content: flex-start;
  gap: 0.375rem;
}

.tile--box:hover {
  transform: none;
}

.tile__meta {
  font-size: 0.8125rem;
}

.tile__form {
  display: flex;
  gap: 0.5rem;
  margin-top: auto;
}

.tile__input {
  flex: 1;
  min-width: 0;
  padding: 0.375rem 0.5rem;
  border: 1px solid var(--color-border);
  background: var(--color-white);
  color: var(--color-text-body);
  font-family: var(--font-body);
}

.button--on-tile {
  border-color: var(--color-white);
  color: var(--color-white);
}

.box-detail {
  margin-top: 2rem;
}

.history {
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.history__entry {
  display: flex;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-border);
}

.history__image {
  width: 6rem;
  height: auto;
  background: var(--color-bg-alt);
}

.course {
  margin: 0.5rem 0;
  padding-left: 1.25rem;
}

@media (max-width: 40rem) {
  .list__row {
    grid-template-columns: 1fr;
    gap: 0.125rem;
  }
}

.candidate__image {
  width: 100%;
  max-height: 12rem;
  object-fit: contain;
  background: var(--color-white);
}

.hints {
  max-width: 48rem;
  margin: 0 0 1rem;
  padding: 0.75rem 1rem;
  border-left: 4px solid var(--color-primary-green);
  background: var(--color-bg-alt);
}

.hints p {
  margin: 0 0 0.5rem;
}

.hints p:last-child {
  margin-bottom: 0;
}

.button--small {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
}