/* ============================================================
   anicca — all that arises, passes
   Literary serif + precise mono, one accent per lens,
   light drawn against the abyss.
   ============================================================ */

/* smooth accent transitions between lenses */
@property --accent {
  syntax: '<color>';
  inherits: true;
  initial-value: #f0b36a;
}
@property --accent-soft {
  syntax: '<color>';
  inherits: true;
  initial-value: rgba(240, 179, 106, 0.5);
}

:root {
  --bg:    #06070c;
  --ink:   #ece7db;
  --muted: rgba(236, 231, 219, 0.42);
  --faint: rgba(236, 231, 219, 0.16);

  --serif: 'Fraunces', Georgia, 'Times New Roman', serif;
  --mono:  'IBM Plex Mono', ui-monospace, 'SF Mono', monospace;
  --deva:  'Noto Serif Devanagari', var(--serif);

  --breath: 0; /* 0..1, driven by JS — the page breathes */
}

/* per-lens accent themes (canvas reads these too) */
body[data-lens='life']      { --accent: #c7d4e6; --accent-soft: rgba(199, 212, 230, 0.5); }
body[data-lens='stillness'] { --accent: #7fd8c0; --accent-soft: rgba(127, 216, 192, 0.5); }
body[data-lens='together']       { --accent: #f0b36a; --accent-soft: rgba(240, 179, 106, 0.5); }

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body { height: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  overflow: hidden;
  position: relative;
  transition: --accent 1.4s ease, --accent-soft 1.4s ease;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ---- the field ---- */
#field {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
  z-index: 0;
}

/* edges sink into the dark */
.vignette {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    radial-gradient(130% 100% at 50% 42%, transparent 38%, rgba(2, 3, 6, 0.55) 78%, rgba(2, 3, 6, 0.92) 100%);
}

/* film grain — keeps the dark from looking flat */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 2;
  pointer-events: none;
  opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  animation: grain 7s steps(6) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); }
  20% { transform: translate(-6%, 4%); }
  40% { transform: translate(4%, -6%); }
  60% { transform: translate(-4%, -4%); }
  80% { transform: translate(6%, 6%); }
}

/* ---- stage / layout ---- */
.stage {
  position: relative;
  z-index: 3;
  height: 100%;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  padding: clamp(1.4rem, 3.5vh, 2.8rem) clamp(1.4rem, 5vw, 4rem);
  padding-bottom: clamp(3.4rem, 8vh, 5rem); /* clear the fixed footer */
  gap: clamp(1rem, 3vh, 2.4rem);
}

/* word-mark */
.mark {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  opacity: 0;
  animation: rise 1.6s 0.1s cubic-bezier(.2,.7,.2,1) forwards;
}
.mark__word {
  font-family: var(--serif);
  font-optical-sizing: auto;
  font-style: italic;
  font-weight: 400;
  font-size: clamp(1.15rem, 2.4vw, 1.7rem);
  letter-spacing: 0.01em;
  color: var(--ink);
}
.mark__gloss {
  font-family: var(--mono);
  font-weight: 300;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}
.deva { font-family: var(--deva); letter-spacing: 0; font-size: 0.95rem; color: var(--accent); }

/* the count — the heart */
.count {
  align-self: center;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: clamp(0.5rem, 1.6vh, 1.1rem);
}

.count__eyebrow {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(0.62rem, 1.1vw, 0.78rem);
  letter-spacing: 0.42em;
  text-transform: uppercase;
  color: var(--accent);
  padding-left: 0.42em; /* optical centering for the tracking */
  opacity: 0;
  animation: rise 1.6s 0.5s cubic-bezier(.2,.7,.2,1) forwards;
}

.count__number {
  font-family: var(--mono);
  font-weight: 300;
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
  line-height: 0.92;
  font-size: clamp(2.7rem, 11vw, 8.2rem);
  letter-spacing: -0.02em;
  color: var(--ink);
  white-space: nowrap;
  text-shadow:
    0 0 28px var(--accent-soft),
    0 0 80px rgba(0,0,0,0.4);
  opacity: 0;
  animation: rise 1.8s 0.7s cubic-bezier(.2,.7,.2,1) forwards;
}
.num-dot  { color: var(--accent); opacity: 0.9; }
.num-frac {
  /* the present moment, dissolving */
  font-size: 0.46em;
  color: var(--accent);
  opacity: 0.72;
  letter-spacing: 0.01em;
  vertical-align: baseline;
}

.count__unit {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(1rem, 2.2vw, 1.5rem);
  color: var(--ink);
  opacity: 0;
  animation: rise 1.6s 0.9s cubic-bezier(.2,.7,.2,1) forwards;
}

.count__sub {
  font-family: var(--mono);
  font-weight: 400;
  font-size: clamp(0.86rem, 1.9vw, 1.18rem);
  letter-spacing: 0.1em;
  color: var(--accent);
  text-shadow: 0 0 22px var(--accent-soft);
  opacity: 0;
  animation: rise 1.6s 1.05s cubic-bezier(.2,.7,.2,1) forwards;
}

.count__line {
  margin-top: clamp(0.4rem, 1.4vh, 1rem);
  max-width: 30ch;
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(1.05rem, 2.5vw, 1.6rem);
  line-height: 1.35;
  text-wrap: balance;
  color: rgba(236, 231, 219, 0.78);
  opacity: 0;
  animation: rise 1.8s 1.25s cubic-bezier(.2,.7,.2,1) forwards;
}

/* lifeline */
.lifeline {
  align-self: end;
  width: min(1040px, 92vw);
  margin: 0 auto;
  opacity: 0;
  animation: rise 1.6s 1.4s cubic-bezier(.2,.7,.2,1) forwards;
}
.lifeline__track {
  position: relative;
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg,
    transparent,
    rgba(236, 231, 219, 0.22) 7%,
    rgba(236, 231, 219, 0.22) 93%,
    transparent);
}
.lifeline__lived {
  position: absolute;
  left: 0; top: 0; height: 100%;
  width: 0%;
  border-radius: 2px;
  background: linear-gradient(90deg, transparent, var(--accent-soft) 45%, var(--accent));
  background-size: 220% 100%;
  opacity: 0.78;
  animation: lifeflow 5.5s linear infinite; /* light flowing toward now */
}
.lifeline__now {
  position: absolute;
  top: 50%;
  left: 0%;
  width: 11px; height: 11px;
  border-radius: 50%;
  background: var(--accent);
  transform: translate(-50%, -50%);
  box-shadow: 0 0 20px 3px var(--accent), 0 0 6px var(--accent);
  animation: pulse 3.4s ease-in-out infinite;
}
/* the present, pinging outward — arising and passing */
.lifeline__now::after {
  content: '';
  position: absolute;
  left: 50%; top: 50%;
  width: 100%; height: 100%;
  border-radius: 50%;
  border: 1px solid var(--accent);
  transform: translate(-50%, -50%);
  animation: nowripple 2.6s ease-out infinite;
}
.lifeline__age {
  /* your age, now — pinned above the moving now-dot; streams to feel time pass */
  position: absolute;
  left: 0;
  bottom: calc(100% + 9px);
  transform: translateX(-50%);
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  opacity: 0.82;
  white-space: nowrap;
  text-shadow: 0 0 10px var(--accent-soft);
  pointer-events: none;
}
.lifeline__labels {
  display: flex;
  justify-content: space-between;
  margin-top: 1.05rem;
  font-family: var(--mono);
  font-size: 0.82rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(236, 231, 219, 0.6);
}
.lifeline__nowlbl { color: var(--accent); text-shadow: 0 0 16px var(--accent-soft); }

/* lenses */
.lenses {
  align-self: center;
  justify-self: center;
  display: flex;
  justify-content: center;
  gap: clamp(1.2rem, 4vw, 2.6rem);
  opacity: 0;
  animation: rise 1.6s 1.55s cubic-bezier(.2,.7,.2,1) forwards;
}
.lens {
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--serif);
  font-style: italic;
  font-weight: 300;
  font-size: clamp(0.95rem, 2vw, 1.2rem);
  color: var(--muted);
  letter-spacing: 0.01em;
  padding: 0.2rem 0;
  position: relative;
  transition: color 0.6s ease;
}
.lens::after {
  content: '';
  position: absolute;
  left: 50%; bottom: -2px;
  width: 0; height: 1px;
  background: var(--accent);
  box-shadow: 0 0 8px var(--accent);
  transform: translateX(-50%);
  transition: width 0.5s cubic-bezier(.2,.7,.2,1);
}
.lens:hover { color: rgba(236, 231, 219, 0.78); }
.lens.is-active { color: var(--accent); }
.lens.is-active::after { width: 100%; }

/* footer */
.foot {
  position: fixed;
  z-index: 3;
  left: 0; right: 0; bottom: clamp(0.9rem, 2.4vh, 1.6rem);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  padding: 0 clamp(1.4rem, 5vw, 4rem);
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(236, 231, 219, 0.66);
  pointer-events: none;
}
.foot a { color: var(--accent); text-decoration: none; border-bottom: 1px solid var(--accent); pointer-events: auto; }
.foot a:hover { opacity: 0.75; }
/* footer icon links — Firefox flame, GitHub mark (web page only) */
.foot__ico {
  display: inline-flex;
  vertical-align: -3px;
  margin-left: 0.6rem;
  border-bottom: none !important;
  opacity: 0.62;
  pointer-events: auto;
  transition: opacity 0.4s ease, transform 0.4s ease;
}
.foot__ico:hover { opacity: 1; transform: translateY(-1px); }
.foot__ico svg { display: block; }
.foot__breath {
  color: var(--accent);
  opacity: calc(0.55 + var(--breath) * 0.45);
  transition: opacity 0.3s linear;
}
.foot__cfg { text-align: right; }

/* the breath ring — most present in stillness */
body::before {
  content: '';
  position: fixed;
  z-index: 2;
  top: 50%; left: 50%;
  width: 46vmin; height: 46vmin;
  border-radius: 50%;
  border: 1px solid var(--accent-soft);
  transform: translate(-50%, -50%) scale(calc(0.7 + var(--breath) * 0.42));
  opacity: 0;
  transition: opacity 1.2s ease;
  pointer-events: none;
  filter: blur(0.3px);
}
body[data-lens='stillness']::before {
  opacity: calc(0.06 + var(--breath) * 0.12);
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); filter: blur(6px); }
  to   { opacity: 1; transform: translateY(0);    filter: blur(0); }
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 20px 3px var(--accent), 0 0 6px var(--accent); }
  50%      { box-shadow: 0 0 30px 7px var(--accent), 0 0 10px var(--accent); }
}
@keyframes nowripple {
  0%   { opacity: 0.7;  transform: translate(-50%, -50%) scale(0.5); }
  80%  { opacity: 0.05; }
  100% { opacity: 0;    transform: translate(-50%, -50%) scale(5); }
}
@keyframes lifeflow {
  0%   { background-position: 200% 0; }
  100% { background-position: 0% 0; }
}

/* instant reveal — for the new-tab extension: no staggered intro, the
   number is there the moment the tab opens */
body.instant .mark,
body.instant .cfg-toggle,
body.instant .count__eyebrow,
body.instant .count__number,
body.instant .count__unit,
body.instant .count__sub,
body.instant .count__line,
body.instant .lifeline,
body.instant .lenses {
  animation: none !important;
  opacity: 1 !important;
  transform: none !important;
  filter: none !important;
}

/* ---- configure ---- */
.cfg-toggle {
  position: fixed;
  z-index: 5;
  top: clamp(1.4rem, 3.5vh, 2.8rem);
  right: clamp(1.4rem, 5vw, 4rem);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--muted);
  padding: 0.4rem 0.1rem;
  transition: color 0.5s ease;
  opacity: 0;
  animation: rise 1.6s 0.3s cubic-bezier(.2,.7,.2,1) forwards;
}
.cfg-toggle::before { content: '⊹ '; color: var(--accent); }
.cfg-toggle:hover { color: var(--ink); }

.panel {
  position: fixed;
  z-index: 6;
  top: 0; right: 0;
  height: 100%;
  width: min(360px, 88vw);
  padding: clamp(2.4rem, 6vh, 3.6rem) clamp(1.6rem, 4vw, 2.4rem);
  background: rgba(9, 11, 18, 0.78);
  backdrop-filter: blur(22px) saturate(120%);
  -webkit-backdrop-filter: blur(22px) saturate(120%);
  border-left: 1px solid var(--accent-soft);
  box-shadow: -40px 0 80px rgba(0,0,0,0.5);
  transform: translateX(100%);
  transition: transform 0.7s cubic-bezier(.16,.84,.24,1);
  overflow-y: auto;
}
.panel.is-open { transform: translateX(0); }

.panel__head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 2rem;
}
.panel__title {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 1.5rem;
  color: var(--ink);
}
.panel__close {
  background: none; border: none; cursor: pointer;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
  transition: color 0.4s ease;
}
.panel__close:hover { color: var(--accent); }

.panel__group {
  border: none;
  margin-bottom: 1.8rem;
}
.panel__group legend {
  font-family: var(--mono);
  font-size: 0.6rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.9rem;
  padding: 0;
}
.panel__form label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-family: var(--serif);
  font-style: italic;
  font-size: 1rem;
  color: rgba(236, 231, 219, 0.8);
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(236, 231, 219, 0.07);
}
.panel__form input {
  width: 6.2rem;
  flex: none;
  background: none;
  border: none;
  border-bottom: 1px solid var(--faint);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 0.92rem;
  text-align: right;
  padding: 0.2rem 0.1rem;
  transition: border-color 0.4s ease;
}
.panel__form input[type='text'] { text-align: right; }
.panel__form input:focus {
  outline: none;
  border-bottom-color: var(--accent);
}
.panel__form input[type='date'] {
  color-scheme: dark; /* dark native date picker */
  width: 8.6rem;
  text-align: left;
  font-size: 0.82rem;
}
/* strip number spinners — keep it quiet */
.panel__form input[type='number']::-webkit-inner-spin-button,
.panel__form input[type='number']::-webkit-outer-spin-button { -webkit-appearance: none; margin: 0; }
.panel__form input[type='number'] { -moz-appearance: textfield; appearance: textfield; }

.panel__note {
  font-family: var(--mono);
  font-size: 0.66rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--muted);
  margin: 1.4rem 0 1.6rem;
}
.panel__reset {
  background: none;
  border: 1px solid var(--accent-soft);
  border-radius: 999px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 0.62rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--accent);
  padding: 0.6rem 1.2rem;
  transition: background 0.4s ease, color 0.4s ease;
}
.panel__reset:hover { background: var(--accent); color: var(--bg); }

/* small screens / phones */
@media (max-width: 600px) {
  .stage {
    gap: clamp(0.8rem, 2.5vh, 1.4rem);
    padding-left: 1.3rem;
    padding-right: 1.3rem;
    padding-top: calc(1.4rem + env(safe-area-inset-top));
    padding-bottom: calc(clamp(4.4rem, 14vh, 6rem) + env(safe-area-inset-bottom));
  }
  .count { gap: 0.55rem; }
  /* size to viewport width so the number never overflows its one line */
  .count__number {
    font-size: clamp(1.9rem, 13vw, 3.6rem);
    letter-spacing: -0.01em;
  }
  .num-frac { font-size: 0.42em; }
  .count__unit { font-size: 1.05rem; }
  .count__sub {
    font-size: clamp(0.74rem, 3.2vw, 0.96rem);
    letter-spacing: 0.05em;
  }
  .count__line { font-size: clamp(1.02rem, 4.6vw, 1.32rem); max-width: 24ch; }

  .lifeline__labels { font-size: 0.72rem; letter-spacing: 0.14em; }
  .lenses { gap: clamp(1.1rem, 7vw, 1.9rem); }

  .cfg-toggle { top: calc(1.3rem + env(safe-area-inset-top)); right: 1.3rem; }
  .mark { padding-top: env(safe-area-inset-top); }

  .foot {
    flex-direction: column;
    gap: 0.3rem;
    align-items: center;
    text-align: center;
    bottom: calc(0.7rem + env(safe-area-inset-bottom));
    font-size: 0.6rem;
    padding: 0 1.3rem;
  }
  .foot__cfg { text-align: center; }
}

/* landscape phones — short viewports */
@media (max-height: 480px) and (orientation: landscape) {
  .stage { gap: 0.4rem; padding-bottom: 3.2rem; }
  .count { gap: 0.3rem; }
  .count__number { font-size: clamp(2rem, 9vw, 4rem); }
  .count__line { font-size: 1rem; }
  .lifeline { display: none; } /* not enough room; keep the count + lenses */
}

/* stillness over motion */
@media (prefers-reduced-motion: reduce) {
  .grain, .lifeline__now, .lifeline__lived { animation: none; }
  .lifeline__now::after { display: none; }
  .mark, .count__eyebrow, .count__number, .count__unit,
  .count__sub, .count__line, .lifeline, .lenses {
    animation-duration: 0.01s;
  }
}