/* Style 7 - Blueprint */

@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Sans:wght@400;500;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

html[data-theme="blueprint"] {
  --font-body: 'IBM Plex Sans', Arial, sans-serif;
  --font-title: 'IBM Plex Sans', Arial, sans-serif;
  --font-heading: 'IBM Plex Mono', monospace;
  --font-meta: 'IBM Plex Mono', monospace;
  --font-mono: 'IBM Plex Mono', monospace;

  --color-bg: #102a43;
  --color-text: #dbeafe;
  --color-title: #ffffff;
  --color-heading: #93c5fd;
  --color-muted: #bad7f5;
  --color-meta: #7dd3fc;
  --color-rule: rgba(191, 219, 254, 0.34);
  --color-link: #bfdbfe;
  --color-accent: #38bdf8;

  --title-size: 2.1rem;
  --title-weight: 700;
  --title-align: left;
  --heading-size: 0.82rem;
  --heading-weight: 700;
  --body-line-height: 1.75;
  --paper-width: 760px;
}

html[data-theme="blueprint"] body {
  background-image:
    linear-gradient(rgba(147, 197, 253, 0.12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 197, 253, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
}

html[data-theme="blueprint"] .paper {
  border: 1px solid rgba(191, 219, 254, 0.32);
  background: rgba(15, 42, 67, 0.92);
  margin-top: 2rem;
  margin-bottom: 4rem;
}

html[data-theme="blueprint"] .paper-section > h2 {
  text-transform: uppercase;
  letter-spacing: 0.14em;
  border-bottom: 1px solid var(--color-rule);
  padding-bottom: 0.45rem;
}

html[data-theme="blueprint"] .paper-subsection {
  border-left: 3px solid var(--color-accent);
  padding-left: 1rem;
}

html[data-theme="blueprint"] .skills-inline,
html[data-theme="blueprint"] .skills-table {
  display: none;
}

html[data-theme="blueprint"] .skills-group {
  font-family: var(--font-mono);
  font-size: 0.85rem;
}

html[data-theme="blueprint"] .theme-hint {
  --hint-bg: rgba(16, 42, 67, 0.95);
  --hint-color: #bfdbfe;
  --hint-border: rgba(191, 219, 254, 0.3);
}

html[data-theme="blueprint"] .paper-aside-card {
  /* position:relative anchors ::before/::after corner brackets; overridden to
     absolute for --margin cards at ≥1180px (see chained rule below). */
  position: relative;
  width: 11.5rem;
  padding: 0.65rem 0.75rem 0.7rem;
  border: 1px dashed rgba(56, 189, 248, 0.55);
  background:
    linear-gradient(rgba(147, 197, 253, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 197, 253, 0.08) 1px, transparent 1px),
    rgba(12, 36, 58, 0.88);
  background-size: 12px 12px, 12px 12px, auto;
  color: #e0f2fe;
  box-shadow: inset 0 0 0 1px rgba(191, 219, 254, 0.08);
}

html[data-theme="blueprint"] .paper-aside-card::before,
html[data-theme="blueprint"] .paper-aside-card::after {
  content: "";
  position: absolute;
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid rgba(56, 189, 248, 0.7);
}

html[data-theme="blueprint"] .paper-aside-card::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

html[data-theme="blueprint"] .paper-aside-card::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

html[data-theme="blueprint"] .paper-aside-card-label {
  color: var(--color-accent);
}

html[data-theme="blueprint"] .paper-aside-card li::before {
  content: "▸";
  color: var(--color-accent);
  margin-right: 0.35rem;
  font-size: 0.65rem;
}

/* Margin callout connectors */
html[data-theme="blueprint"] .paper-callout-dot {
  fill: rgba(56, 189, 248, 0.95);
}

html[data-theme="blueprint"] .paper-callout-dot--open {
  fill: none;
  stroke: rgba(56, 189, 248, 0.85);
  stroke-width: 1;
}

html[data-theme="blueprint"] .paper-callout-path {
  fill: none;
  stroke: rgba(56, 189, 248, 0.78);
  stroke-width: 1;
  stroke-dasharray: 4 3;
  stroke-linecap: round;
}

html[data-theme="blueprint"] .paper-callout-tick {
  stroke: rgba(56, 189, 248, 0.5);
  stroke-width: 1;
}

html[data-theme="blueprint"] .paper-callout-arrow {
  fill: none;
  stroke: rgba(56, 189, 248, 0.85);
  stroke-width: 1;
  stroke-linecap: round;
  stroke-linejoin: round;
}

@media (min-width: 1180px) {
  html[data-theme="blueprint"] .paper-aside-card.paper-aside-card--margin,
  html[data-theme="blueprint"] .face-scan-diagram.paper-aside-card--margin {
    position: absolute;
  }
}

html[data-theme="blueprint"] .paper-callout-tag {
  color: rgba(125, 211, 252, 0.85);
  background: rgba(12, 36, 58, 0.92);
  padding: 0.05rem 0.25rem;
  border: 1px solid rgba(56, 189, 248, 0.35);
}

/* Face scan diagram — Secure Face Recognition project */
html[data-theme="blueprint"] .face-scan-diagram {
  position: relative;
  width: 11.5rem;
  padding: 0.55rem 0.65rem 0.6rem;
  border: 1px dashed rgba(56, 189, 248, 0.55);
  background:
    linear-gradient(rgba(147, 197, 253, 0.08) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 197, 253, 0.08) 1px, transparent 1px),
    rgba(12, 36, 58, 0.88);
  background-size: 12px 12px, 12px 12px, auto;
  box-shadow: inset 0 0 0 1px rgba(191, 219, 254, 0.08);
  flex-shrink: 0;
}

html[data-theme="blueprint"] .face-scan-diagram::before,
html[data-theme="blueprint"] .face-scan-diagram::after {
  content: "";
  position: absolute;
  width: 0.55rem;
  height: 0.55rem;
  border: 1px solid rgba(56, 189, 248, 0.7);
  pointer-events: none;
}

html[data-theme="blueprint"] .face-scan-diagram::before {
  top: -1px;
  left: -1px;
  border-right: none;
  border-bottom: none;
}

html[data-theme="blueprint"] .face-scan-diagram::after {
  bottom: -1px;
  right: -1px;
  border-left: none;
  border-top: none;
}

html[data-theme="blueprint"] .face-scan-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  font-weight: 500;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-accent);
}

html[data-theme="blueprint"] .face-scan-label--top {
  margin-bottom: 0.35rem;
}

html[data-theme="blueprint"] .face-scan-label--bottom {
  margin-top: 0.35rem;
  text-align: right;
  color: rgba(125, 211, 252, 0.75);
}

html[data-theme="blueprint"] .face-scan-viewport {
  position: relative;
  overflow: hidden;
  height: 11rem;
  border: 1px solid rgba(56, 189, 248, 0.25);
  background:
    linear-gradient(rgba(147, 197, 253, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(147, 197, 253, 0.06) 1px, transparent 1px),
    radial-gradient(circle at 50% 45%, rgba(56, 189, 248, 0.12), transparent 62%),
    rgba(8, 28, 48, 0.6);
  background-size: 8px 8px, 8px 8px, auto, auto;
  perspective: 460px;
  perspective-origin: 50% 45%;
}

html[data-theme="blueprint"] .face-scan-viewport::before,
html[data-theme="blueprint"] .face-scan-viewport::after {
  content: "";
  position: absolute;
  width: 0.45rem;
  height: 0.45rem;
  border-color: rgba(56, 189, 248, 0.5);
  border-style: solid;
  z-index: 2;
  pointer-events: none;
}

html[data-theme="blueprint"] .face-scan-viewport::before {
  top: 3px;
  left: 3px;
  border-width: 1px 0 0 1px;
}

html[data-theme="blueprint"] .face-scan-viewport::after {
  bottom: 3px;
  right: 3px;
  border-width: 0 1px 1px 0;
}

/* 3D wireframe head — rotating ovoid mesh + front facial features */
html[data-theme="blueprint"] .face-orbit {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  transform-style: preserve-3d;
  animation: face-orbit-spin 11s ease-in-out infinite;
}

html[data-theme="blueprint"] .face-globe {
  position: relative;
  width: 96px;
  height: 120px;
  transform-style: preserve-3d;
}

html[data-theme="blueprint"] .face-ring {
  position: absolute;
  top: 50%;
  left: 50%;
  border: 1px solid rgba(56, 189, 248, 0.32);
  border-radius: 50%;
  box-shadow: 0 0 6px rgba(56, 189, 248, 0.08);
}

/* Meridians — vertical ellipses revolved around the Y axis to form the skull */
html[data-theme="blueprint"] .face-ring--m {
  width: 96px;
  height: 120px;
  border-color: rgba(56, 189, 248, 0.3);
  border-radius: 48% 48% 44% 44% / 46% 46% 56% 56%;
  transform: translate(-50%, -50%) rotateY(var(--a));
}

/* Latitudes — horizontal cross-section rings laid flat at each height */
html[data-theme="blueprint"] .face-ring--lat {
  width: var(--d);
  height: var(--d);
  border-color: rgba(125, 211, 252, 0.22);
  transform: translate(-50%, -50%) translateY(var(--y)) rotateX(90deg);
}

html[data-theme="blueprint"] .face-front {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 96px;
  height: 120px;
  overflow: visible;
  transform: translate(-50%, -50%) translateZ(46px);
  color: rgba(186, 230, 253, 0.95);
}

html[data-theme="blueprint"] .face-front-brow,
html[data-theme="blueprint"] .face-front-eye,
html[data-theme="blueprint"] .face-front-line,
html[data-theme="blueprint"] .face-front-mouth {
  fill: none;
  stroke: currentColor;
  stroke-width: 1;
  stroke-linecap: round;
  stroke-linejoin: round;
}

html[data-theme="blueprint"] .face-front-mouth {
  fill: rgba(56, 189, 248, 0.12);
}

html[data-theme="blueprint"] .face-front-pupil {
  fill: rgba(56, 189, 248, 0.95);
}

html[data-theme="blueprint"] .face-front-tick {
  stroke: rgba(56, 189, 248, 0.6);
  stroke-width: 0.6;
}

html[data-theme="blueprint"] .face-front-mesh {
  stroke: rgba(56, 189, 248, 0.4);
  stroke-width: 0.6;
  stroke-dasharray: 3 2;
}

html[data-theme="blueprint"] .face-front-node {
  fill: rgba(125, 211, 252, 0.9);
  filter: drop-shadow(0 0 2px rgba(56, 189, 248, 0.7));
}

@keyframes face-orbit-spin {
  0%,
  100% {
    transform: rotateY(-26deg) rotateX(7deg);
  }
  50% {
    transform: rotateY(26deg) rotateX(-3deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  html[data-theme="blueprint"] .face-orbit {
    animation: none;
    transform: rotateY(-16deg) rotateX(6deg);
  }
}

html[data-theme="blueprint"] .face-scan-line {
  position: absolute;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(
    90deg,
    transparent 0%,
    rgba(56, 189, 248, 0.2) 15%,
    rgba(56, 189, 248, 0.95) 50%,
    rgba(56, 189, 248, 0.2) 85%,
    transparent 100%
  );
  box-shadow:
    0 0 6px rgba(56, 189, 248, 0.55),
    0 0 14px rgba(56, 189, 248, 0.25);
  animation: face-scan-sweep 2.8s ease-in-out infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes face-scan-sweep {
  0%,
  100% {
    top: 12%;
    opacity: 0.6;
  }
  50% {
    top: 88%;
    opacity: 1;
  }
}