/* =============================================================================
   final.css — Главная «Ночная медитация» · BEM · vanilla
   Палитра управляется CSS-переменными --eye-* и плавно перетекает (JS RAF-lerp).
   ========================================================================== */

:root {
  --eye-paper:   #0c0b0a;
  --eye-ink:     #d9d4ca;
  --eye-dust:    #7d7770;
  --eye-primary: #7a6a52;
  --eye-accent:  #a89878;
  --eye-aura:    #7a6a52;
  --eye-iris-0:  #c8b89c;
  --eye-iris-1:  #7a6a52;
  --eye-iris-2:  #2a2418;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: var(--eye-paper);
}

/* ===== Block: eye ========================================================= */
.eye {
  position: relative;
  width: 100vw;
  height: 100vh;
  color: var(--eye-ink);
  background: var(--eye-paper);
  font-family: 'IBM Plex Mono', ui-monospace, monospace;
  overflow: hidden;
  cursor: default;
}

.eye__defs {
  position: absolute;
  width: 0;
  height: 0;
  pointer-events: none;
}

/* ----- Aura --------------------------------------------------------------- */
.eye__aura {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 64vmin;
  height: 64vmin;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.5;
  background: radial-gradient(
    circle,
    color-mix(in srgb, var(--eye-aura) 40%, transparent) 0%,
    color-mix(in srgb, var(--eye-accent) 15%, transparent) 50%,
    transparent 75%
  );
  animation: eye-breathe-aura 14s ease-in-out infinite;
  pointer-events: none;
}

@keyframes eye-breathe-aura {
  0%, 100% { transform: translate(-50%, -50%) scale(1); }
  50%      { transform: translate(-50%, -50%) scale(1.07); }
}

/* ----- Mandala ------------------------------------------------------------ */
.eye__mandala {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

.eye__rays line {
  stroke: var(--eye-dust);
  opacity: 0.4;
}

.eye__rings circle {
  fill: none;
  stroke-dasharray: 3 6;
}
.eye__rings circle.eye__ring--solid {
  stroke-dasharray: none;
}
.eye__rings circle.eye__ring--primary { stroke: var(--eye-primary); }
.eye__rings circle.eye__ring--accent  { stroke: var(--eye-accent); }

.eye__spiral {
  fill: none;
  stroke: var(--eye-accent);
  stroke-width: 0.9;
  stroke-dasharray: 2 5;
  opacity: 0.55;
}

.eye__links {
  opacity: 0.22;
}
.eye__links line {
  stroke: var(--eye-accent);
  stroke-width: 0.5;
  stroke-dasharray: 1 3;
}

/* ----- Eye stage / 3D billboard ------------------------------------------ */
.eye__stage {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 280px;
  height: 280px;
  margin: -140px 0 0 -140px;
  perspective: 700px;
  perspective-origin: 50% 50%;
  pointer-events: none;
}

.eye__board {
  width: 100%;
  height: 100%;
  transform-style: preserve-3d;
  will-change: transform;
  transition: transform 60ms linear;
}

.eye__breath {
  width: 100%;
  height: 100%;
  transform-origin: center;
  animation: eye-breathe-big 22s ease-in-out infinite;
}

@keyframes eye-breathe-big {
  0%   { transform: scale(1); }
  15%  { transform: scale(1.04); }
  28%  { transform: scale(1.04); }
  42%  { transform: scale(0.985); }
  55%  { transform: scale(0.99); }
  70%  { transform: scale(1.01); }
  85%  { transform: scale(0.995); }
  100% { transform: scale(1); }
}

.eye__svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.eye__iris-stop--0 { stop-color: var(--eye-iris-0); }
.eye__iris-stop--1 { stop-color: var(--eye-iris-1); }
.eye__iris-stop--2 { stop-color: var(--eye-iris-2); }
.eye__sclera-stop  { stop-color: var(--eye-ink); }

.eye__lashes line {
  stroke: var(--eye-ink);
  stroke-width: 0.6;
  opacity: 0.7;
}

.eye__lid {
  transform-origin: 140px 140px;
  animation: eye-blink 6.5s ease-in-out infinite;
}

@keyframes eye-blink {
  0%, 88%   { transform: scaleY(1); }
  90%       { transform: scaleY(0.04); }
  92%       { transform: scaleY(1); }
  94%       { transform: scaleY(0.04); }
  96%, 100% { transform: scaleY(1); }
}

.eye__sclera { opacity: 0.98; }
.eye__pupil  { fill: var(--eye-paper); }
.eye__iris-strokes line {
  stroke: var(--eye-accent);
  stroke-width: 0.6;
  opacity: 0.55;
}

.eye__glint-big   { fill: var(--eye-ink); opacity: 0.92; }
.eye__glint-small { fill: var(--eye-ink); opacity: 0.5; }

.eye__lid-upper { fill: none; stroke: var(--eye-paper); stroke-width: 3; opacity: 0.6; }
.eye__lid-lower { fill: none; stroke: var(--eye-paper); stroke-width: 1; opacity: 0.25; }

/* ----- Nodes (meditations) ----------------------------------------------- */
.eye__nodes {
  position: absolute;
  inset: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  pointer-events: none;
}

.eye__node {
  position: absolute;
  left: var(--node-x);
  top: var(--node-y);
  width: 0;
  height: 0;
  pointer-events: none;
  animation: eye-drift var(--node-drift-dur, 16s) ease-in-out infinite;
  animation-delay: var(--node-drift-delay, 0s);
}

@keyframes eye-drift {
  0%, 100% { transform: translate(0, 0); }
  50%      { transform: translate(var(--node-dx, 0), var(--node-dy, 0)); }
}

.eye__node-link {
  display: block;
  color: inherit;
  text-decoration: none;
  pointer-events: auto;
}

.eye__node-dot {
  position: absolute;
  left: 0;
  top: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--eye-ink);
  box-shadow: 0 0 10px color-mix(in srgb, var(--eye-ink) 60%, transparent);
  transform: translate(-50%, -50%);
  animation: eye-pulse var(--node-pulse-dur, 8s) ease-in-out infinite;
  animation-delay: var(--node-pulse-delay, 0s);
  transition:
    width .3s ease, height .3s ease,
    transform .25s ease,
    box-shadow .25s ease,
    background-color .25s ease;
}

@keyframes eye-pulse {
  0%, 100% { opacity: 0.7; }
  50%      { opacity: 1; }
}

.eye__node--focused .eye__node-dot,
.eye__node-link:hover .eye__node-dot,
.eye__node-link:focus-visible .eye__node-dot {
  width: 14px;
  height: 14px;
  background: var(--eye-accent);
  box-shadow: 0 0 26px color-mix(in srgb, var(--eye-accent) 80%, transparent);
}

.eye__node-label {
  position: absolute;
  top: -10px;
  white-space: nowrap;
  color: var(--eye-ink);
  opacity: 0.88;
  text-shadow: 0 0 8px var(--eye-paper);
  animation: eye-breathe-text var(--node-breath-dur, 19s) ease-in-out infinite;
  animation-delay: var(--node-breath-delay, 0s);
  transition: color .35s ease, opacity .25s ease, text-shadow .35s ease;
}

.eye__node--side-right .eye__node-label {
  left: 16px;
  text-align: left;
  transform-origin: left center;
}
.eye__node--side-left .eye__node-label {
  right: 16px;
  text-align: right;
  transform-origin: right center;
}

.eye__node--focused .eye__node-label,
.eye__node-link:hover .eye__node-label,
.eye__node-link:focus-visible .eye__node-label {
  color: var(--eye-accent);
  opacity: 1;
  text-shadow: 0 0 12px color-mix(in srgb, var(--eye-accent) 45%, transparent);
}

@keyframes eye-breathe-text {
  0%   { transform: translateY(0)    scale(1);     filter: blur(0); letter-spacing: 0.01em; }
  5%   { transform: translateY(-1px) scale(1.005); }
  15%  { transform: translateY(-3px) scale(1.02);  filter: blur(0.3px); letter-spacing: 0.018em; }
  25%  { transform: translateY(-3px) scale(1.02); }
  40%  { transform: translateY(2px)  scale(0.985); filter: blur(0.4px); }
  50%  { transform: translateY(1px)  scale(0.99); }
  60%  { transform: translateY(0)    scale(1);     filter: blur(0); }
  72%  { transform: translateY(-1px) scale(1.008); }
  78%  { transform: translateY(0)    scale(1); }
  88%  { transform: translateY(1px)  scale(0.995); }
  100% { transform: translateY(0)    scale(1); }
}

.eye__node-meta {
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--eye-dust);
  opacity: 0.85;
  transition: color .35s ease;
}
.eye__node-title {
  font-size: 14px;
  letter-spacing: 0.01em;
  margin-top: 2px;
}
.eye__node-date {
  font-size: 9px;
  letter-spacing: 0.12em;
  color: var(--eye-dust);
  opacity: 0.7;
  margin-top: 2px;
  transition: color .35s ease;
}

/* ----- Corners (nav) ----------------------------------------------------- */
.eye__corner {
  position: absolute;
  top: 28px;
  z-index: 5;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--eye-ink);
  text-decoration: none;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
  transition: color .25s ease, opacity .25s ease;
  animation: eye-breathe-text 19s ease-in-out infinite;
}
.eye__corner:hover { color: var(--eye-accent); opacity: 1; }
.eye__corner--about { left: 32px; transform-origin: left center; }
.eye__corner--tg    { right: 32px; transform-origin: right center; animation-delay: -4s; }

.eye__dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  border-radius: 50%;
}
.eye__dot--accent {
  background: var(--eye-accent);
  box-shadow: 0 0 8px var(--eye-accent);
  transition: background-color .35s ease, box-shadow .35s ease;
}

.eye__corner-arrow { font-size: 14px; opacity: 0.7; }

/* ----- Log --------------------------------------------------------------- */
.eye__log {
  position: absolute;
  left: 28px;
  bottom: 36px;
  z-index: 4;
  width: 340px;
  max-height: 220px;
  font-size: 9px;
  line-height: 1.55;
  color: var(--eye-dust);
  opacity: 0.55;
  pointer-events: none;
  overflow: hidden;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, black 22%, black 88%, transparent 100%);
          mask-image: linear-gradient(180deg, transparent 0%, black 22%, black 88%, transparent 100%);
  transition: color .35s ease;
}

.eye__log-head {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 9px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--eye-dust);
  opacity: 0.7;
  margin-bottom: 4px;
  transition: color .35s ease;
}

.eye__log-pulse {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--eye-accent);
  box-shadow: 0 0 8px var(--eye-accent);
  animation: eye-pulse 3s ease-in-out infinite;
  transition: background-color .35s ease, box-shadow .35s ease;
}

.eye__log-meta { margin-left: auto; opacity: 0.5; }

.eye__log-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.eye__log-line {
  word-break: break-word;
  margin-bottom: 2px;
  transition: color .35s ease;
}
.eye__log-line--wake {
  color: var(--eye-accent);
}

/* ----- Fineprint --------------------------------------------------------- */
.eye__fineprint {
  position: absolute;
  bottom: 18px;
  right: 24px;
  z-index: 5;
  color: var(--eye-dust);
  text-decoration: none;
  font-size: 9px;
  letter-spacing: 0.18em;
  opacity: 0.45;
  transition: color .35s ease, opacity .2s ease;
}
.eye__fineprint:hover { color: var(--eye-ink); opacity: 1; }

/* ----- Grain ------------------------------------------------------------- */
.eye__grain {
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: overlay;
  opacity: 0.08;
  background-image: url("data:image/svg+xml;utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='220' height='220'%3E%3Cfilter id='n'%3E%3CfeTurbulence baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ----- Responsive: убираем переполнение на маленьких экранах ------------- */
@media (max-width: 720px) {
  .eye__log { width: 240px; bottom: 60px; }
  .eye__corner { font-size: 11px; letter-spacing: 0.16em; }
  .eye__corner--about { left: 16px; top: 18px; }
  .eye__corner--tg    { right: 16px; top: 18px; }
  .eye__fineprint { bottom: 12px; right: 12px; }
}