/*--------------------------------------------------------------
# dark.css
# Dark theme for the site. Every rule is scoped to [data-theme="dark"], so the
# light appearance is byte-for-byte unchanged — remove this file and its <link>
# and the site simply loses dark mode.
#
# The brand red keeps its exact value wherever it is a *fill* (pills, buttons,
# the timeline rule, the contact panel) so the identity is untouched. Where the
# red is used as *text* it switches to --accent-text, a lighter tint, because
# #e31837 on a near-black background only reaches 3.9:1.
--------------------------------------------------------------*/

[data-theme="dark"] {
  --surface: #131318;
  --surface-2: #191920;
  --surface-3: #20202a;
  --accent-text: #ff7a89;

  /* Base-theme tokens that are only ever used as text colours */
  --color-text: #c3c6cd;

  /* sections.css tokens */
  --line: #2c2c38;
  --muted: #9aa0ab;
  --brand-tint: rgba(227, 24, 55, 0.16);
  --brand-tint-strong: rgba(227, 24, 55, 0.26);
  --brand-glow: 0 18px 40px rgba(0, 0, 0, 0.45);

  color-scheme: dark;
}

/*--------------------------------------------------------------
# Surfaces
--------------------------------------------------------------*/
[data-theme="dark"] body {
  background-color: var(--surface);
}

[data-theme="dark"] #main {
  background-color: var(--surface) !important;
}

[data-theme="dark"] #hero:before,
[data-theme="dark"] #pre-loader {
  background: var(--surface);
}

[data-theme="dark"] #pre-loader:before {
  border-color: var(--surface-3);
  border-top-color: var(--color-tertiary);
}

[data-theme="dark"] #header {
  background-color: var(--surface-2);
}

[data-theme="dark"] .section-alt {
  background: var(--surface-2);
}

[data-theme="dark"] .tile {
  background: var(--surface-3);
}

/* Timeline dot sits on the page, so it takes the page colour */
[data-theme="dark"] .resume .resume-item::before,
[data-theme="dark"] .pub::before {
  background: var(--surface);
}

[data-theme="dark"] .section-alt .resume-item::before,
[data-theme="dark"] .section-alt .pub::before {
  background: var(--surface-2);
}

/*--------------------------------------------------------------
# Accent used as text
--------------------------------------------------------------*/
[data-theme="dark"] a,
[data-theme="dark"] #hero h1,
[data-theme="dark"] #hero p,
[data-theme="dark"] #hero p span,
[data-theme="dark"] .section-title h2,
[data-theme="dark"] .section-kicker,
[data-theme="dark"] .about .content h3,
[data-theme="dark"] .about .content ul i,
[data-theme="dark"] .resume .resume-title,
[data-theme="dark"] .resume .resume-item h4,
[data-theme="dark"] #header .profile h1 a,
[data-theme="dark"] #header .profile h1 a:hover,
[data-theme="dark"] .nav-menu a:hover i,
[data-theme="dark"] .nav-menu .active i,
[data-theme="dark"] .fact-num,
[data-theme="dark"] .metric b,
[data-theme="dark"] .pcard h3,
[data-theme="dark"] .skill-card h3,
[data-theme="dark"] .award h3,
[data-theme="dark"] .hero-cue,
[data-theme="dark"] .tick li::before {
  color: var(--accent-text);
}

[data-theme="dark"] a:hover {
  color: var(--color-tertiary);
}

[data-theme="dark"] .hero-cue {
  border-color: var(--accent-text);
}

[data-theme="dark"] .hero-cue:hover {
  color: var(--color-primary);
  background: var(--color-tertiary);
  border-color: var(--color-tertiary);
}

[data-theme="dark"] #hero::after {
  background: radial-gradient(circle, rgba(227, 24, 55, 0.2) 0%, rgba(227, 24, 55, 0) 68%);
}

[data-theme="dark"] .shining-text {
  text-shadow: 0 0 18px rgba(227, 24, 55, 0.55);
}

/*--------------------------------------------------------------
# Navigation
--------------------------------------------------------------*/
[data-theme="dark"] .nav-menu a,
[data-theme="dark"] .nav-menu a:focus,
[data-theme="dark"] .nav-menu a i,
[data-theme="dark"] .nav-menu a:focus i {
  color: #8b909c;
}

[data-theme="dark"] .nav-menu a:hover,
[data-theme="dark"] .nav-menu .active,
[data-theme="dark"] .nav-menu li:hover>a {
  color: var(--color-text);
}

/*--------------------------------------------------------------
# Components
--------------------------------------------------------------*/
[data-theme="dark"] .chip {
  color: #ff8f9c;
}

[data-theme="dark"] .ribbon--quiet {
  color: #ff8f9c;
}

[data-theme="dark"] .btn-brand--outline {
  color: var(--accent-text) !important;
  border-color: var(--accent-text);
}

[data-theme="dark"] .btn-brand--outline:hover {
  color: var(--color-primary) !important;
  background: var(--color-tertiary);
  border-color: var(--color-tertiary);
}

[data-theme="dark"] .skip-link:focus {
  color: var(--color-primary);
}

/* Some logo files are black artwork on transparency and would vanish on a dark
   background, so those get a white plate. Marks that carry their own
   background (the app-style company icons) are left alone. */
[data-theme="dark"] .institution-icon--plate {
  background: #fff;
  padding: 6px;
  border-radius: 8px;
}

/*--------------------------------------------------------------
# Scrollbars
--------------------------------------------------------------*/
[data-theme="dark"] * {
  scrollbar-color: var(--color-tertiary) var(--surface-2);
}

[data-theme="dark"] *::-webkit-scrollbar {
  background-color: var(--surface-2) !important;
}

/*--------------------------------------------------------------
# Theme toggle — matches the existing fixed circular controls
--------------------------------------------------------------*/
.theme-toggle {
  position: fixed;
  top: 15px;
  right: 15px;
  z-index: 9998;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: 0;
  border-radius: 50px;
  font-size: 19px;
  line-height: 0;
  color: var(--color-primary);
  background-color: var(--color-tertiary);
  cursor: pointer;
  transition: all 0.4s;
}

.theme-toggle:hover {
  background-color: var(--color-tertiary-bright);
}

/* Sit beside the mobile nav button while that one is visible */
@media (max-width: 1199px) {
  .theme-toggle {
    right: 65px;
  }
}

.theme-toggle .bi-sun-fill {
  display: none;
}

[data-theme="dark"] .theme-toggle .bi-sun-fill {
  display: block;
}

[data-theme="dark"] .theme-toggle .bi-moon-stars-fill {
  display: none;
}