@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@500&display=swap');
@import url('https://fonts.cdnfonts.com/css/neue-montreal');

:root {
  --hero-scale: 1.5;
  --hero-scale_title: 1.2;
  --intro-scale: var(--hero-scale);
  --title-scale: var(--hero-scale_title);
  --about-scale: var(--hero-scale_title);
  --node-label-scale: var(--hero-scale);
  /* Overlay sizing defaults for quick tuning (keep each min < max) */
  --overlay-pad: clamp(14px, 2vw, 28px);
  --project-panel-min-w: 420px;
  --project-panel-fluid-w: 60vw;
  --project-panel-max-w: 600px;
  --deck-panel-min-w: 640px;
  --deck-panel-fluid-w: 78vw;
  --deck-panel-max-w: 1280px;
  --about-panel-min-w: 480px;
  --about-panel-fluid-w: 58vw;
  --about-panel-max-w: 1380px;
  --viz-panel-min-w: 700px;
  --viz-panel-fluid-w: 78vw;
  --viz-panel-max-w: 1300px;
  --viz-panel-max-h: 70dvh;
  --viz-panel-max-h-cap: 720px;
  --deck-slide-ar: 16 / 8;
}

@media (max-width: 1280px) {
  :root {
    --hero-scale: 1.35;
    --about-scale: 1.1;
  }
}

@media (max-width: 960px) {
  :root {
    --hero-scale: 1.0;
    --hero-scale_title: 1.0;
    --title-scale: 1.0;
    --node-label-scale: 1.0;
    --about-scale: 1.0;
  }
}

html, body {
  overscroll-behavior: none;
}

#app {
  touch-action: none; /* prevent browser scroll/zoom on canvas gestures */
}

canvas#app {
  touch-action: none;
}

.node-label {
  font-family: "JetBrains Mono", monospace;
  font-size: calc(13px * var(--node-label-scale, 1));
  font-weight: 500; /* Medium */

  padding: calc(4px * var(--node-label-scale, 1)) calc(10px * var(--node-label-scale, 1));
  border-radius: calc(12px * var(--node-label-scale, 1));

  /* Glass bubble */
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.18);
  backdrop-filter: blur(6px);

  /* Glow / depth */
  box-shadow: 0 0 8px rgba(255, 255, 255, 0.18);

  color: rgba(255, 255, 255, 0.92);
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;

  /* anchor */
  transform: translate(-50%, -100%) translateY(0px);
  transition:
    opacity 0.25s ease,
    transform 0.03s ease;
}

.node-label.visible {
  opacity: 1;
  transform: translate(-50%, calc(-100% - 1px));
}

/* Hide labels when any overlay/panel is open so panels sit above them */
body.has-overlay-open #node-label-layer {
  opacity: 0;
}

/* Intro overlay */
#intro-root {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 999;
  opacity: 0;
  transform: translateY(8px);
  transition:
    opacity 0.6s ease,
    transform 0.6s ease;
}

#intro-root.intro-visible {
  opacity: 1;
  transform: translateY(0);
}

#intro-dim-layer {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: rgba(0, 0, 0, 0.80);
  opacity: 1;
  transition: opacity 0.6s ease-out;
  z-index: 0;
}

#intro-dim-layer.dim-hidden {
  opacity: 0;
}

#intro-overlay {
  position: absolute;
  top: 12vh;
  left: 50%;
  transform: translateX(-50%);
  max-width: 80ch;
  text-align: center;
  pointer-events: none;
  font-family: "JetBrains Mono", monospace;
  font-size: calc(1rem * var(--intro-scale, 1));
  line-height: 1.45;
  color: rgba(255, 255, 255, 0.88);
  z-index: 1;
}

#intro-text {
  display: inline;
  white-space: pre;
}

#intro-caret {
  display: inline-block;
  width: 0.6ch;
  height: 1.1em;
  margin-left: 0.08em;
  text-align: left;
  color: inherit;
  vertical-align: text-bottom;
  border-left: 2px solid currentColor;
  box-sizing: border-box;
  animation: intro-caret-blink 1s step-start infinite;
}

@keyframes intro-caret-blink {
  0%, 50% {
    opacity: 1;
  }
  50.01%, 100% {
    opacity: 0;
  }
}

#intro-overlay.intro-evaporating {
  animation: intro-evaporate 0.7s ease-out forwards;
}

@keyframes intro-evaporate {
  0% {
    opacity: 1;
    transform: translate(-50%, 0);
    filter: blur(0px);
  }
  100% {
    opacity: 0;
    transform: translate(-50%, -24px);
    filter: blur(6px);
  }
}

/* Persistent page title after intro */
#page-title-banner {
  position: fixed;
  top: 36px;
  left: 50%;
  transform: translate(-50%, -8px) scale(var(--title-scale, 1));
  transform-origin: center top;
  padding: 0;
  border-radius: 0;
  background: transparent;
  border: none;
  box-shadow: none;
  color: rgba(255, 255, 255, 0.92);
  font-family: "JetBrains Mono", monospace;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  pointer-events: none;
  opacity: 0;
  transition: opacity 0.6s ease, transform 0.6s ease;
  z-index: 5;
}

#page-title-banner.visible {
  opacity: 1;
  transform: translate(-50%, 0) scale(var(--title-scale, 1));
}

/* Hide/soften page title when an overlay/panel is open */
body.has-overlay-open #page-title-banner {
  opacity: 0;
  filter: blur(2px);
  pointer-events: none;
}

#page-title-banner .page-title-row {
  display: inline-flex;
  align-items: center;
  gap: 0;
}

#page-title-text {
  font-size: calc(3rem * var(--title-scale, 1));
  font-weight: 600;
  letter-spacing: 0.04em;
  line-height: 1.05;
  color: rgba(255, 255, 255, 0.94);
  text-shadow: 0 0 22px rgba(40, 80, 160, 0.15), 0 0 8px rgba(0, 0, 0, 0.4);
  background-image: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(185, 210, 255, 0.78));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

#page-subtitle {
  font-size: calc(1.1rem * var(--title-scale, 1));
  letter-spacing: 0.03em;
  color: rgba(200, 210, 255, 0.58);
  text-shadow: 0 0 14px rgba(50, 90, 170, 0.18);
  line-height: 1.2;
}

/* About overlay */
.about-overlay-shell {
  z-index: 4;
  --overlay-max-w: 1400px;
}

.about-overlay {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: clamp(140px, 18vh, 220px) clamp(32px, 6vw, 96px) clamp(8px, 6vh, 48px);
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  grid-template-areas:
    "meta text"
    "ascii links";
  gap: clamp(18px, 3vw, 42px) clamp(32px, 6vw, 68px);
  color: rgba(255, 255, 255, 0.9);
  pointer-events: none;
  opacity: 0;
  transform: translateY(-8px) scale(var(--about-scale, 1));
  transform-origin: top center;
  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
  align-content: start;
  box-sizing: border-box;
}

body.about-open.about-zone .about-overlay {
  opacity: 1;
  transform: translateY(0) scale(var(--about-scale, 1));
  pointer-events: auto;
}

.about-overlay > * {
  --item-shift-x: 0;
  --item-shift-y: 0;
  opacity: 0;
  transform: translate(var(--item-shift-x), calc(var(--item-shift-y) - 4px));
  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
  transition-delay: 0.6s;
}

body.about-open.about-zone .about-overlay > * {
  opacity: 1;
  transform: translate(var(--item-shift-x), var(--item-shift-y));
}

.about-meta {
  grid-area: meta;
  display: grid;
  gap: 10px;
  font-family: "JetBrains Mono", monospace;
  font-size: calc(14px * var(--about-scale, 1));
  letter-spacing: 0.01em;
}

.about-meta-row {
  display: grid;
  grid-template-columns: auto 1fr;
  column-gap: 14px;
  align-items: baseline;
}

.about-meta-label {
  min-width: 122px;
  color: rgba(255, 255, 255, 0.64);
  letter-spacing: 0.03em;
}

.about-meta-value {
  color: rgba(255, 255, 255, 0.9);
}

.about-text {
  grid-area: text;
  max-width: 52ch;
  font-family: "Neue Montreal", "Inter", "Segoe UI", system-ui, sans-serif;
  font-size: calc(16px * var(--about-scale, 1));
  line-height: 1.65;
  color: rgba(255, 255, 255, 0.88);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.about-text p {
  margin: 0;
  text-align: justify;
}

.about-ascii {
  grid-area: ascii;
  font-family: "JetBrains Mono", monospace;
  --item-shift-x: -30px;
  --item-shift-y: -80px;
}

.about-ascii-pre {
  margin: 0;
  font-size: calc(2px * var(--about-scale, 1));
  line-height: 1.05;
  color: rgba(255, 255, 255, 0.82);
  white-space: pre;
  min-height: 140px;
  display: inline-flex;
  align-items: flex-start;
}

.about-links {
  grid-area: links;
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 18px;
  font-family: "JetBrains Mono", monospace;
  font-size: calc(14px * var(--about-scale, 1));
  letter-spacing: 0.02em;
  pointer-events: none; /* inactive when about overlay closed */
  margin-top: 8px;
  --item-shift-x: -20px;
  --item-shift-y: 0px; /* summary: remove the large upward shift so logos stay in their grid and don't overlap text */
}

body.about-open.about-zone .about-links {
  pointer-events: auto; /* enable only when About overlay is active */
}

.about-links a {
  display: inline-flex;
  align-items: center;
  justify-content: flex-start;
}

.about-link-logo {
  width: calc(150px * var(--about-scale, 1));
  max-width: 100%;
  height: auto;
  filter: drop-shadow(0 0 6px rgba(0, 0, 0, 0.35));
  transition: transform 0.2s ease;
}

.about-link-logo.linkedin-logo {
  width: calc(135px * var(--about-scale, 1));
}

.about-link-logo:hover {
  transform: translateY(-2px);
}

@media (max-width: 960px) {
  .about-overlay {
    grid-template-columns: 1fr;
    grid-template-areas:
      "meta"
      "text"
      "ascii"
      "links";
    gap: 18px 20px;
    padding: clamp(72px, 12vh, 130px) clamp(22px, 6vw, 64px) clamp(36px, 10vh, 120px);
  }

  .about-text {
    max-width: none;
  }

  .about-links {
    justify-content: flex-start;
  }
}

.ascii-cursor {
  display: none;
}

/* Panel skeleton */
.panel-skeleton {
  padding: 16px;
  border-radius: 18px;
  backdrop-filter: blur(14px);
  background: rgba(12, 18, 32, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.panel-skel-title,
.panel-skel-media,
.panel-skel-text {
  border-radius: 999px;
  background: linear-gradient(
    90deg,
    rgba(255, 255, 255, 0.06),
    rgba(255, 255, 255, 0.14),
    rgba(255, 255, 255, 0.06)
  );
  background-size: 200% 100%;
  animation: shimmer 1.2s infinite;
}

.panel-skel-title { height: 18px; width: 60%; margin-bottom: 16px; }
.panel-skel-media { height: 180px; width: 100%; margin-bottom: 12px; border-radius: 24px; }
.panel-skel-text  { height: 12px; width: 80%; }

@keyframes shimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

body.has-overlay-open {
  overflow: hidden;
}

.overlay-shell.is-open {
  pointer-events: auto;
}

.overlay-shell.is-open .overlay-panel,
.overlay-shell.is-open .overlay-scroll {
  pointer-events: auto;
}

.overlay-shell:not(.is-open) .overlay-panel,
.overlay-shell:not(.is-open) .overlay-scroll {
  pointer-events: none;
}

/* Project panel (Phase 2 desktop sizing + scroll) */
#node-panel {
  width: clamp(
    var(--project-panel-min-w, 520px),
    var(--project-panel-fluid-w, 56vw),
    var(--project-panel-max-w, 880px)
  );
  max-height: min(
    calc(100vh - (2 * var(--overlay-pad, clamp(14px, 2vw, 28px)))),
    calc(100dvh - (2 * var(--overlay-pad, clamp(14px, 2vw, 28px))))
  );
  z-index: 120; /* keep panel above page title/background */
  overflow: hidden;
  box-sizing: border-box;
}

#node-panel .node-panel-inner {
  max-height: 100%;
  overflow-y: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}

#node-panel .node-panel-inner::-webkit-scrollbar {
  display: none;
}

.node-panel--project-anim {
  --panel-title: clamp(28px, 2.6vw, 40px);
  --panel-body: clamp(15px, 1.1vw, 18px);
  transform: translateX(105%);
  transform-origin: top right;
}

.node-panel--project-anim.panel--is-open {
  transform: translateX(0);
}

#node-panel .panel-markdown {
  font-size: var(--panel-body, 16px);
  line-height: 1.65;
}

#node-panel .panel-markdown h1,
#node-panel .panel-markdown h2,
#node-panel .panel-markdown h3 {
  font-size: clamp(18px, 1.6vw, 24px);
}

/* Panel Contracts (Phase 4): doc / deck / viz behaviors inside overlay shell */
.panel--doc {
  --panel-p: clamp(15px, 1.1vw, 18px);
  --panel-h1: clamp(24px, 2.2vw, 32px);
  --panel-h2: clamp(20px, 1.8vw, 26px);
}

.panel--doc.overlay-panel {
  /* Project panel sizing:
     - Adjust root vars to make projects wider/narrower/responsive.
   */
  width: clamp(
    var(--project-panel-min-w, 520px),
    var(--project-panel-fluid-w, 56vw),
    var(--project-panel-max-w, 880px)
  );
}
/* Tuning note: change --project-panel-max-w (projects) or --deck-panel-max-w (project_main deck)
   at :root; keep each min < max for clamp() to behave. */

/* About panel sizing (doc-type overlay) */
.about-overlay-panel.overlay-panel {
  width: clamp(
    var(--about-panel-min-w, 480px),
    var(--about-panel-fluid-w, 58vw),
    var(--about-panel-max-w, 900px)
  );
}

.panel--doc p {
  font-size: var(--panel-p, 16px);
}

.panel--doc h1 {
  font-size: var(--panel-h1, 28px);
}

.panel--doc h2,
.panel--doc h3 {
  font-size: var(--panel-h2, 22px);
}

.panel--doc .media-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: clamp(10px, 1.6vw, 18px);
}

.panel--deck.overlay-panel {
  width: clamp(
    var(--deck-panel-min-w, 640px),
    var(--deck-panel-fluid-w, 72vw),
    var(--deck-panel-max-w, 1280px)
  );
  overflow: hidden;
  --deck-pad: clamp(18px, 2vw, 28px);
  --deck-title: clamp(20px, 2.4vw, 30px);
  --deck-body: clamp(16px, 1.2vw, 19px);
}

/* Deck sizing knobs:
   - --deck-panel-max-w (default 1280px)
   - --deck-panel-fluid-w (responsiveness)
   - --deck-slide-ar (slide aspect ratio) */
.panel--deck .slide {
  aspect-ratio: var(--deck-slide-ar, 16 / 10);
}

.panel--viz.overlay-panel {
  width: clamp(
    var(--viz-panel-min-w, 700px),
    var(--viz-panel-fluid-w, 78vw),
    var(--viz-panel-max-w, 1200px)
  );
}

.panel--viz .viz-host {
  width: 100%;
  height: min(var(--viz-panel-max-h, 70dvh), var(--viz-panel-max-h-cap, 720px));
}

@media (max-height: 900px) {
  .overlay-shell {
    --overlay-pad: 28px;
  }
  .panel--doc {
    --project-panel-fluid-w: 64vw;
  }
  .panel--doc .media-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .panel--doc h1 {
    font-size: clamp(22px, 2vw, 30px);
  }
  .panel--deck {
    --deck-title: clamp(19px, 2.2vw, 28px);
  }
}

@media (max-height: 820px) {
  .panel--doc {
    --project-panel-fluid-w: 64vw;
  }
}

/* Width-based tuning for deck panels (keeps clamp responsive on narrower desktops) */
@media (max-width: 1440px) {
  .panel--deck {
    --deck-panel-fluid-w: 76vw;
  }
}

@media (max-width: 1280px) {
  .panel--deck {
    --deck-panel-fluid-w: 82vw;
  }
}

@media (max-height: 780px) {
  .overlay-shell {
    --overlay-pad: 24px;
  }
  .panel--doc .media-grid {
    grid-template-columns: 1fr;
  }
  .panel--doc h1 {
    font-size: clamp(20px, 1.9vw, 28px);
  }
  .panel--deck {
    --deck-title: clamp(18px, 2vw, 26px);
  }
}

@media (max-height: 700px) {
  .overlay-shell {
    --overlay-pad: 20px;
  }
  .panel--doc h1 {
    font-size: clamp(18px, 1.8vw, 26px);
  }
  .panel--doc h2,
  .panel--doc h3 {
    font-size: clamp(16px, 1.6vw, 22px);
  }
  .panel--deck {
    --deck-title: clamp(17px, 1.9vw, 24px);
  }
}

/* Overlay Shell (Phase 1): shared sizing contract for overlays/modals/panels.
   Not wired to existing UI yet. */
.overlay-shell {
  --overlay-max-w: min(1200px, 92vw);
  --overlay-max-h: min(92vh, 92dvh);
  --overlay-radius: 24px;
  position: fixed;
  inset: 0;
  padding: var(--overlay-pad, clamp(14px, 2vw, 28px));
  display: grid;
  place-items: center;
  pointer-events: none;
  box-sizing: border-box;
}

.overlay-shell.is-open .overlay-panel,
.overlay-shell.is-open .overlay-scroll {
  pointer-events: auto;
}

.overlay-shell:not(.is-open) .overlay-panel,
.overlay-shell:not(.is-open) .overlay-scroll {
  pointer-events: none;
}

.overlay-panel {
  pointer-events: auto;
  width: min(100%, var(--overlay-max-w, min(1200px, 92vw)));
  max-width: clamp(280px, 100%, var(--overlay-max-w, min(1200px, 92vw)));
  max-height: min(
    calc(100vh - (2 * var(--overlay-pad, clamp(14px, 2vw, 28px)))),
    calc(100dvh - (2 * var(--overlay-pad, clamp(14px, 2vw, 28px)))),
    var(--overlay-max-h, min(92vh, 92dvh))
  );
  border-radius: var(--overlay-radius, 24px);
  overflow: hidden;
  box-sizing: border-box;
}

.overlay-scroll {
  height: 100%;
  max-height: inherit;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
}

/* Demo (not used): <div class="overlay-shell"><div class="overlay-panel"><div class="overlay-scroll">...</div></div></div> */