/* ═════════════════════════════════════════════════════════════
   Eluent v0.3 — dark theme, neon-green accent, animated background
   ═════════════════════════════════════════════════════════════ */

:root {
  /* palette */
  --bg:           oklch(11% 0.012 240);
  --bg-2:         oklch(14% 0.012 240);
  --bg-3:         oklch(18% 0.014 240);
  --surface:      oklch(16% 0.012 240);
  --surface-2:    oklch(20% 0.012 240);
  --line:         oklch(28% 0.014 240);
  --line-strong:  oklch(38% 0.014 240);
  --text:         oklch(96% 0.005 240);
  --text-2:       oklch(78% 0.006 240);
  --text-3:       oklch(58% 0.008 240);
  --text-4:       oklch(42% 0.010 240);

  --green:        oklch(82% 0.21 145);
  --green-deep:   oklch(60% 0.20 145);
  --green-soft:   oklch(28% 0.10 145);
  --green-glow:   oklch(85% 0.22 145);

  --red:          oklch(70% 0.22 25);
  --amber:        oklch(78% 0.18 75);

  /* type */
  --display: 'Space Grotesk', 'Inter', system-ui, -apple-system, sans-serif;
  --sans:    'Inter', system-ui, -apple-system, sans-serif;
  --mono:    'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;

  /* fluid type */
  --fs-display: clamp(2.6rem, 1.4rem + 5.5vw, 6.4rem);
  --fs-h2:      clamp(1.8rem, 1rem + 2.4vw, 3.2rem);
  --fs-lede:    clamp(1.05rem, 0.95rem + 0.4vw, 1.22rem);
  --fs-body:    1rem;
  --fs-small:   0.875rem;
  --fs-micro:   0.75rem;

  /* rhythm */
  --section-y: clamp(4rem, 2rem + 6vw, 8rem);
  --gutter:    clamp(1.25rem, 0.5rem + 3vw, 3rem);
  --maxw:      1280px;

  --ease:        cubic-bezier(0.16, 1, 0.3, 1);
  --ease-soft:   cubic-bezier(0.4, 0, 0.2, 1);
  --dur-fast:    180ms;
  --dur:         320ms;
  --dur-slow:    640ms;
}

* { box-sizing: border-box; }
*::selection { background: var(--green); color: var(--bg); }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  font-family: var(--sans);
  font-size: var(--fs-body);
  line-height: 1.55;
  color: var(--text);
  background: transparent;       /* let .bg layer show through */
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}

a { color: inherit; text-decoration: none; }
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 3px;
  border-radius: 2px;
}

button {
  font: inherit;
  color: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* ═════════════════════════════  BACKGROUND (animated)  ═════════════════════════════ */
.bg {
  position: fixed; inset: 0;
  z-index: 0;
  overflow: hidden;
  pointer-events: none;
  background: var(--bg);
}

/* Layer 1 — drifting radial mesh */
.bg__gradient {
  position: absolute; inset: -10%;
  background:
    radial-gradient(ellipse 50% 40% at 20% 20%,
      color-mix(in oklch, var(--green) 28%, transparent) 0%,
      transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 70%,
      color-mix(in oklch, oklch(60% 0.20 200) 22%, transparent) 0%,
      transparent 60%),
    radial-gradient(ellipse 40% 30% at 50% 100%,
      color-mix(in oklch, var(--green) 18%, transparent) 0%,
      transparent 70%);
  filter: blur(60px);
  animation: bgDrift 24s var(--ease-soft) infinite;
}
@keyframes bgDrift {
  0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
  33%      { transform: translate3d(-4%, 3%, 0) scale(1.05); }
  66%      { transform: translate3d(3%, -2%, 0) scale(1.03); }
}

/* Layer 2 — pulsing grid */
.bg__grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(to right, color-mix(in oklch, var(--green) 8%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in oklch, var(--green) 8%, transparent) 1px, transparent 1px);
  background-size: 64px 64px;
  mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 0%, transparent 80%);
  -webkit-mask-image: radial-gradient(ellipse 80% 60% at 50% 30%, black 0%, transparent 80%);
  opacity: 0.85;
  animation: gridPulse 8s var(--ease-soft) infinite;
}
@keyframes gridPulse {
  0%, 100% { opacity: 0.45; transform: scale(1); }
  50%      { opacity: 0.85; transform: scale(1.02); }
}

/* Layer 3 — particle canvas (dotted constellation) */
.bg__particles {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  opacity: 0.9;
}

/* Layer 4 — large drifting glow orbs */
.bg__glow {
  position: absolute;
  width: 720px; height: 720px;
  border-radius: 999px;
  filter: blur(110px);
}
.bg__glow--1 {
  background: radial-gradient(circle,
    color-mix(in oklch, var(--green) 55%, transparent) 0%,
    color-mix(in oklch, var(--green) 18%, transparent) 30%,
    transparent 70%);
  top: -240px; right: -180px;
  animation: glow1 22s var(--ease-soft) infinite;
  opacity: 0.85;
}
.bg__glow--2 {
  background: radial-gradient(circle,
    color-mix(in oklch, oklch(58% 0.22 230) 50%, transparent) 0%,
    color-mix(in oklch, oklch(58% 0.22 230) 18%, transparent) 30%,
    transparent 70%);
  bottom: -300px; left: -160px;
  animation: glow2 26s var(--ease-soft) infinite;
  opacity: 0.7;
}
@keyframes glow1 {
  0%, 100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(-120px, 140px) scale(1.15); }
  66%      { transform: translate(40px, 220px) scale(0.95); }
}
@keyframes glow2 {
  0%, 100% { transform: translate(0,0) scale(1); }
  33%      { transform: translate(140px, -160px) scale(1.1); }
  66%      { transform: translate(-80px, -80px) scale(1.05); }
}

/* Layer 5 — vertical scanning beam */
.bg::before {
  content: '';
  position: absolute;
  top: -10%; left: 0; right: 0;
  height: 240px;
  background: linear-gradient(180deg,
    transparent,
    color-mix(in oklch, var(--green) 18%, transparent) 50%,
    transparent);
  filter: blur(20px);
  animation: scan 16s linear infinite;
  pointer-events: none;
}
@keyframes scan {
  0%   { transform: translateY(-10vh); opacity: 0; }
  10%  { opacity: 1; }
  90%  { opacity: 1; }
  100% { transform: translateY(120vh); opacity: 0; }
}

/* Layer 6 — animated noise/grain shimmer */
.bg::after {
  content: '';
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='240' height='240'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' seed='5'/><feColorMatrix values='0 0 0 0 0.55  0 0 0 0 0.95  0 0 0 0 0.7  0 0 0 0.18 0'/></filter><rect width='100%25' height='100%25' filter='url(%23n)'/></svg>");
  opacity: 0.18;
  mix-blend-mode: screen;
  animation: noiseShift 1.6s steps(4) infinite;
  pointer-events: none;
}
@keyframes noiseShift {
  0%   { transform: translate(0, 0); }
  25%  { transform: translate(-4px, 2px); }
  50%  { transform: translate(3px, -3px); }
  75%  { transform: translate(-2px, -4px); }
  100% { transform: translate(0, 0); }
}

/* Layer 7 — floating peptide molecule SVG shapes */
.bg__molecules {
  position: absolute; inset: 0;
  pointer-events: none;
}
.bg__mol {
  position: absolute;
  width: 110px; height: 110px;
  opacity: 0.32;
  filter: drop-shadow(0 0 18px color-mix(in oklch, var(--green) 50%, transparent));
}
.bg__mol--1 { top: 14%; left: 8%;  animation: float1 22s ease-in-out infinite; }
.bg__mol--2 { top: 60%; left: 88%; animation: float2 26s ease-in-out infinite; width: 90px; }
.bg__mol--3 { top: 78%; left: 12%; animation: float3 30s ease-in-out infinite; width: 130px; opacity: 0.22; }
.bg__mol--4 { top: 32%; left: 78%; animation: float4 24s ease-in-out infinite; width: 80px; }
@keyframes float1 {
  0%, 100% { transform: translate(0,0) rotate(0deg); }
  50%      { transform: translate(40px, 60px) rotate(180deg); }
}
@keyframes float2 {
  0%, 100% { transform: translate(0,0) rotate(0deg); }
  50%      { transform: translate(-50px, -40px) rotate(-180deg); }
}
@keyframes float3 {
  0%, 100% { transform: translate(0,0) rotate(0deg); }
  50%      { transform: translate(60px, -60px) rotate(180deg); }
}
@keyframes float4 {
  0%, 100% { transform: translate(0,0) rotate(0deg); }
  50%      { transform: translate(-30px, 50px) rotate(-90deg); }
}

/* ═════════════════════════════  TOPBAR  ═════════════════════════════ */
.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  backdrop-filter: blur(20px) saturate(140%);
  -webkit-backdrop-filter: blur(20px) saturate(140%);
  background: color-mix(in oklch, var(--bg) 60%, transparent);
  border-bottom: 1px solid var(--line);
}
main { position: relative; z-index: 2; }
.section, .hero, .footer { position: relative; z-index: 2; }
.topbar__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0.85rem var(--gutter);
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: clamp(1rem, 2vw, 2rem);
}
.brand {
  --mx: 0px; --my: 0px;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  transform: translate3d(var(--mx), var(--my), 0);
  transition: transform 480ms var(--ease);
  will-change: transform;
}
.brand[data-magnetic]:hover { transition: transform 100ms linear; }
.brand__mark {
  color: var(--green);
  display: inline-flex;
  filter: drop-shadow(0 0 8px color-mix(in oklch, var(--green) 35%, transparent));
}
.nav {
  display: flex;
  gap: 1.6rem;
  font-size: 0.92rem;
  color: var(--text-2);
  justify-content: center;
}
.nav a {
  position: relative;
  padding: 4px 0;
  transition: color 220ms var(--ease);
}
.nav a:hover { color: var(--text); }
.nav a::after {
  content: '';
  position: absolute;
  left: 0; right: 100%; bottom: 0;
  height: 1px;
  background: var(--green);
  transition: right 320ms var(--ease);
}
.nav a:hover::after { right: 0; }
@media (max-width: 760px) { .nav { display: none; } }

.topbar__actions { display: flex; gap: 0.6rem; }

/* ═════════════════════════════  CTA BUTTONS  ═════════════════════════════ */
.cta {
  --mx: 0px; --my: 0px; --lift: 0px;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  font-family: var(--sans);
  font-size: 0.92rem;
  font-weight: 500;
  padding: 0.65rem 1.05rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transform: translate3d(var(--mx), calc(var(--my) + var(--lift)), 0);
  transition:
    transform 480ms var(--ease),
    background 220ms var(--ease),
    border-color 220ms var(--ease),
    color 220ms var(--ease),
    box-shadow 280ms var(--ease);
  position: relative;
  will-change: transform;
}
.cta[data-magnetic]:hover { transition: transform 100ms linear, background 220ms var(--ease), border-color 220ms var(--ease), color 220ms var(--ease), box-shadow 280ms var(--ease); }
.cta:hover {
  --lift: -2px;
  border-color: var(--green);
  box-shadow: 0 14px 28px -16px color-mix(in oklch, var(--green) 35%, transparent);
}
.cta--primary {
  background: var(--green);
  color: var(--bg);
  border-color: var(--green);
  font-weight: 600;
}
.cta--primary:hover {
  background: var(--green-glow);
  border-color: var(--green-glow);
  box-shadow: 0 14px 36px -10px color-mix(in oklch, var(--green) 60%, transparent);
}
.cta--ghost {
  background: var(--surface);
}
.cta--ghost:hover {
  background: var(--surface-2);
}
.cta--small { padding: 0.55rem 0.95rem; font-size: 0.85rem; }
.cta--lg { padding: 0.95rem 1.5rem; font-size: 0.98rem; }
.cta--text {
  border: none;
  padding: 0.4rem 0;
  background: transparent;
  color: var(--text-2);
}
.cta--text:hover { color: var(--green); transform: translateX(4px); --lift: 0; box-shadow: none; }
.cta--block {
  width: 100%;
  justify-content: center;
}
.kbd {
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 2px 5px;
  border-radius: 4px;
  background: color-mix(in oklch, var(--bg) 50%, transparent);
  border: 1px solid color-mix(in oklch, var(--text) 15%, transparent);
  color: var(--text-2);
  margin-left: 0.4rem;
}
.cta--primary .kbd {
  background: color-mix(in oklch, var(--bg) 70%, transparent);
  border-color: color-mix(in oklch, var(--bg) 30%, transparent);
  color: var(--bg);
}

/* ═════════════════════════════  EYEBROW  ═════════════════════════════ */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-3);
  margin: 0 0 1.2rem;
}
.eyebrow__dot {
  width: 6px; height: 6px;
  background: var(--green);
  border-radius: 999px;
  box-shadow: 0 0 12px var(--green);
  animation: dotPulse 2.4s var(--ease) infinite;
}
@keyframes dotPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50%      { opacity: 0.4; transform: scale(0.7); }
}
.eyebrow--center { justify-content: center; }
.eyebrow--center .eyebrow__dot { box-shadow: 0 0 12px var(--green); }

/* ═════════════════════════════  REVEALS  ═════════════════════════════ */
.reveal {
  opacity: 0;
  transform: translateY(14px);
  transition:
    opacity 700ms var(--ease),
    transform 700ms var(--ease);
  transition-delay: var(--rd, 0ms);
}
.reveal.is-in {
  opacity: 1;
  transform: translateY(0);
}

/* ═════════════════════════════  HERO  ═════════════════════════════ */
.hero {
  padding: clamp(3.5rem, 2rem + 6vw, 8rem) 0 clamp(2rem, 1rem + 4vw, 5rem);
  position: relative;
}
.hero__inner {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}
.display {
  font-family: var(--display);
  font-size: var(--fs-display);
  font-weight: 600;
  line-height: 0.96;
  letter-spacing: -0.035em;
  margin: 0 0 1.6rem;
  max-width: 18ch;
}
.display em {
  font-style: italic;
  font-weight: 500;
  color: var(--green);
  text-shadow: 0 0 30px color-mix(in oklch, var(--green) 25%, transparent);
}

.lede {
  font-size: var(--fs-lede);
  color: var(--text-2);
  max-width: 60ch;
  margin: 0 0 2.2rem;
  line-height: 1.6;
}
.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem 1.4rem;
  align-items: center;
  margin-bottom: 2.6rem;
}
.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line);
  padding-top: 1.4rem;
  max-width: 720px;
}
.hero__stats > div {
  padding-right: 1rem;
  border-right: 1px solid var(--line);
}
.hero__stats > div:last-child { border-right: none; }
.hero__stats dt {
  font-family: var(--mono);
  font-size: var(--fs-micro);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-3);
  margin-bottom: 0.4rem;
}
.hero__stats dd {
  margin: 0;
  font-family: var(--display);
  font-size: clamp(1.5rem, 1rem + 1.4vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.02em;
  font-feature-settings: "tnum";
}
@media (max-width: 540px) {
  .hero__stats { grid-template-columns: repeat(2, 1fr); gap: 1rem 0; }
  .hero__stats > div:nth-child(2) { border-right: none; }
  .hero__stats > div:nth-child(3),
  .hero__stats > div:nth-child(4) { border-top: 1px solid var(--line); padding-top: 1rem; }
}

/* ═════════════════════════════  GENERIC SECTION  ═════════════════════════════ */
.section {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: var(--section-y) var(--gutter);
  position: relative;
}
.section__head { max-width: 64ch; margin-bottom: 2.6rem; }
.section__head--center { margin-left: auto; margin-right: auto; text-align: center; }
.section__title {
  font-family: var(--display);
  font-size: var(--fs-h2);
  line-height: 1.05;
  font-weight: 600;
  letter-spacing: -0.025em;
  margin: 0 0 1rem;
}
.section__title em {
  font-style: italic;
  font-weight: 500;
  color: var(--green);
  text-shadow: 0 0 24px color-mix(in oklch, var(--green) 22%, transparent);
}
.section__title--center { text-align: center; }
.section__sub {
  font-size: var(--fs-lede);
  color: var(--text-2);
  margin: 0;
  max-width: 60ch;
  line-height: 1.6;
}

/* ═════════════════════════════  AGENT CHAT  ═════════════════════════════ */
.agent {
  max-width: 920px;
  margin: 0 auto;
}
.chat {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  overflow: hidden;
  box-shadow:
    0 1px 1px rgba(0,0,0,0.4),
    0 28px 70px -32px rgba(0,0,0,0.6),
    inset 0 1px 0 color-mix(in oklch, var(--text) 5%, transparent);
}
.chat__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.95rem 1.1rem;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--surface) 0%, var(--bg-3) 100%);
}
.chat__head-left { display: flex; align-items: center; gap: 0.55rem; }
.chat__pulse {
  width: 8px; height: 8px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
  animation: dotPulse 2.4s var(--ease) infinite;
}
.chat__title { font-family: var(--display); font-weight: 700; font-size: 0.98rem; }
.chat__clear {
  width: 28px; height: 28px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-3);
  display: grid; place-items: center;
  cursor: pointer;
  transition: all 220ms var(--ease);
}
.chat__clear:hover {
  color: var(--red);
  border-color: color-mix(in oklch, var(--red) 35%, var(--line));
  background: color-mix(in oklch, var(--red) 8%, transparent);
}
.chat__body {
  padding: 1.3rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  min-height: 240px;
  max-height: 540px;
  overflow-y: auto;
}
.msg { display: flex; flex-direction: column; }
.msg--user { align-items: flex-end; }
.msg--bot  { align-items: flex-start; }
.msg__bubble {
  max-width: 92%;
  padding: 0.75rem 1rem;
  border-radius: 14px;
  font-size: 0.94rem;
  line-height: 1.6;
}
.msg--user .msg__bubble {
  background: var(--green-soft);
  border: 1px solid color-mix(in oklch, var(--green) 30%, var(--line));
  color: var(--text);
  border-bottom-right-radius: 4px;
}
.msg__bubble--bot {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-bottom-left-radius: 4px;
  color: var(--text);
  width: 100%;
}
.msg__bubble p { margin: 0 0 0.6rem; }
.msg__bubble p:last-child { margin-bottom: 0; }
.msg__bubble .dim { color: var(--text-3); font-size: 0.86rem; }
.msg__bubble em { color: var(--green); font-style: italic; }
.msg__bubble code {
  font-family: var(--mono);
  font-size: 0.8rem;
  background: color-mix(in oklch, var(--bg) 50%, transparent);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
  color: var(--green);
}
.msg__bubble strong { color: var(--green); font-weight: 700; }

.msg__meta {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-3);
  margin-bottom: 0.45rem;
  flex-wrap: wrap;
}
.msg__tag {
  background: var(--green-soft);
  color: var(--green);
  padding: 1px 7px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
}
.msg__meta code {
  background: var(--bg-3);
  padding: 1px 5px;
  border-radius: 3px;
  border: 1px solid var(--line);
  font-size: 0.68rem;
  color: var(--text-2);
}

.mini-table {
  width: 100%;
  border-collapse: collapse;
  margin: 0.5rem 0 0.8rem;
  font-size: 0.86rem;
  font-feature-settings: "tnum";
}
.mini-table th {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-3);
  font-weight: 600;
}
.mini-table td {
  padding: 0.55rem 0.5rem;
  border-bottom: 1px solid var(--line);
}
.mini-table tr:last-child td { border-bottom: none; }
.mini-table .num { font-family: var(--mono); color: var(--green); font-weight: 600; }

.chat__compose {
  border-top: 1px solid var(--line);
  padding: 0.7rem 0.85rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--bg-3);
}
.chat__compose input {
  flex: 1;
  border: none;
  background: transparent;
  font: inherit;
  font-size: 0.94rem;
  color: var(--text);
  outline: none;
}
.chat__compose input::placeholder { color: var(--text-3); }
.chat__compose button {
  border: none;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--green);
  color: var(--bg);
  display: grid; place-items: center;
  cursor: pointer;
  transition:
    background 220ms var(--ease),
    transform 220ms var(--ease),
    box-shadow 280ms var(--ease);
}
.chat__compose button:hover {
  background: var(--green-glow);
  transform: rotate(-12deg) scale(1.06);
  box-shadow: 0 8px 20px -8px var(--green);
}

/* usage counter above chat compose */
.usage-bar {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.5rem 0.95rem;
  border-top: 1px solid var(--line);
  background: color-mix(in oklch, var(--bg-3) 70%, var(--surface));
  font-family: var(--mono);
  font-size: 0.74rem;
  color: var(--text-3);
}
.usage-bar__dot {
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
}
.usage-bar.is-low .usage-bar__dot { background: var(--amber); box-shadow: 0 0 8px var(--amber); }
.usage-bar.is-out .usage-bar__dot { background: var(--red);   box-shadow: 0 0 8px var(--red); }
.usage-bar__text { flex: 1; }
.usage-bar.is-low .usage-bar__text { color: var(--amber); }
.usage-bar.is-out .usage-bar__text { color: var(--red); font-weight: 600; }
.usage-bar__upgrade {
  color: var(--green);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  transition: color 220ms var(--ease);
}
.usage-bar__upgrade:hover { color: var(--green-glow); }

/* typing dots */
.dot-typing {
  display: inline-flex;
  gap: 4px;
  padding: 4px 0;
}
.dot-typing i {
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--green);
  animation: dot-bounce 1.2s var(--ease) infinite;
}
.dot-typing i:nth-child(2) { animation-delay: 0.15s; }
.dot-typing i:nth-child(3) { animation-delay: 0.30s; }
@keyframes dot-bounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30%           { transform: translateY(-4px); opacity: 1; }
}

/* ═════════════════════════════  LIBRARY ROUTES  ═════════════════════════════
   8 curated routes — large, magazine-feel cards with goal accent + dose curve.
   Visually distinct from the Catalogue table (database vs destinations). */
.library {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.4rem;
}
@media (max-width: 880px) {
  .library { grid-template-columns: 1fr; }
}

.lib-route {
  position: relative;
  background:
    linear-gradient(180deg,
      color-mix(in oklch, var(--surface) 92%, var(--green) 8%) 0%,
      var(--surface) 50%);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.6rem 1.7rem 1.3rem;
  cursor: pointer;
  display: flex; flex-direction: column;
  gap: 1rem;
  overflow: hidden;
  transition:
    transform 480ms var(--ease),
    border-color 320ms var(--ease),
    box-shadow 480ms var(--ease);
}
.lib-route::after {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--route-accent, var(--green));
  opacity: 0.4;
  transition: opacity 320ms var(--ease);
}
.lib-route:hover {
  transform: translateY(-3px);
  border-color: color-mix(in oklch, var(--route-accent, var(--green)) 60%, var(--line));
  box-shadow: 0 28px 60px -32px color-mix(in oklch, var(--route-accent, var(--green)) 35%, transparent);
}
.lib-route:hover::after { opacity: 1; }

/* per-goal accent colors so 8 routes feel like 8 distinct destinations */
.lib-route__goal--fat_loss              { --route-accent: oklch(74% 0.18 50);  }
.lib-route__goal--recovery              { --route-accent: oklch(72% 0.18 200); }
.lib-route__goal--longevity             { --route-accent: oklch(70% 0.18 280); }
.lib-route__goal--lean_gain             { --route-accent: oklch(70% 0.20 25);  }
.lib-route__goal--cognitive             { --route-accent: oklch(72% 0.18 320); }
.lib-route__goal--sleep                 { --route-accent: oklch(70% 0.16 260); }
.lib-route__goal--skin_hair             { --route-accent: oklch(78% 0.14 350); }
.lib-route__goal--metabolic_repair      { --route-accent: oklch(78% 0.16 90);  }
.lib-route:has(.lib-route__goal--fat_loss)              { --route-accent: oklch(74% 0.18 50);  }
.lib-route:has(.lib-route__goal--recovery)              { --route-accent: oklch(72% 0.18 200); }
.lib-route:has(.lib-route__goal--longevity)             { --route-accent: oklch(70% 0.18 280); }
.lib-route:has(.lib-route__goal--lean_gain)             { --route-accent: oklch(70% 0.20 25);  }
.lib-route:has(.lib-route__goal--cognitive)             { --route-accent: oklch(72% 0.18 320); }
.lib-route:has(.lib-route__goal--sleep)                 { --route-accent: oklch(70% 0.16 260); }
.lib-route:has(.lib-route__goal--skin_hair)             { --route-accent: oklch(78% 0.14 350); }
.lib-route:has(.lib-route__goal--metabolic_repair)      { --route-accent: oklch(78% 0.16 90);  }

.lib-route__head {
  display: flex; justify-content: space-between; align-items: center;
  gap: 0.6rem;
}
.lib-route__goal {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--route-accent, var(--green));
  padding: 0.32rem 0.65rem;
  border: 1px solid color-mix(in oklch, var(--route-accent, var(--green)) 55%, transparent);
  border-radius: 999px;
  background: color-mix(in oklch, var(--route-accent, var(--green)) 8%, transparent);
}
.lib-route__num {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--text-4);
  letter-spacing: 0.16em;
}
.lib-route__name {
  font-family: var(--display);
  font-size: 1.45rem;
  line-height: 1.2;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  color: var(--text);
}
.lib-route__summary {
  font-size: 0.92rem;
  color: var(--text-2);
  margin: 0;
  line-height: 1.5;
}

.lib-route__chart {
  position: relative;
  height: 84px;
  border-top: 1px dashed color-mix(in oklch, var(--line) 80%, transparent);
  border-bottom: 1px dashed color-mix(in oklch, var(--line) 80%, transparent);
  padding: 0.4rem 0 0;
  margin: 0.2rem 0 0;
  color: var(--route-accent, var(--green));
}
.lib-route__chart svg {
  width: 100%;
  height: 60px;
  display: block;
}
.lib-route__chart-axis {
  display: flex;
  justify-content: space-between;
  font-family: var(--mono);
  font-size: 0.62rem;
  color: var(--text-4);
  letter-spacing: 0.1em;
  padding-top: 4px;
}

.lib-route__stack {
  display: flex; flex-direction: column;
  gap: 0.4rem;
}
.lib-route__stack-label {
  font-family: var(--mono);
  font-size: 0.62rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-4);
}
.lib-route__pills {
  display: flex; flex-wrap: wrap;
  gap: 0.35rem;
}
.lib-route__pill {
  font-family: var(--mono);
  font-size: 0.74rem;
  padding: 0.28rem 0.6rem;
  border-radius: 6px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  color: var(--text);
}

.lib-route__foot {
  display: grid;
  grid-template-columns: repeat(3, 1fr) auto;
  align-items: center;
  gap: 0.6rem 1rem;
  border-top: 1px solid var(--line);
  padding-top: 0.95rem;
}
.lib-route__stat {
  display: flex; flex-direction: column;
  gap: 0.2rem;
}
.lib-route__stat-k {
  font-family: var(--mono);
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-4);
}
.lib-route__stat-v {
  font-family: var(--display);
  font-size: 1rem;
  font-weight: 600;
  color: var(--text);
  display: flex; align-items: baseline;
  gap: 0.35rem;
}
.lib-route__stat-v em {
  font-family: var(--sans, inherit);
  font-style: normal;
  font-size: 0.74rem;
  font-weight: 400;
  color: var(--text-3);
}
.lib-route__dots {
  gap: 0.25rem;
  align-items: center;
}
.lib-route__dot {
  width: 6px; height: 6px;
  border-radius: 999px;
  background: var(--line-strong);
  display: inline-block;
}
.lib-route__dot.is-on {
  background: var(--route-accent, var(--green));
}
.lib-route__cta {
  font-family: var(--mono);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--route-accent, var(--green));
  background: transparent;
  border: 0;
  padding: 0;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 220ms var(--ease);
  align-self: end;
}
.lib-route:hover .lib-route__cta { transform: translateX(3px); }

@media (max-width: 640px) {
  .lib-route__foot { grid-template-columns: 1fr 1fr; }
  .lib-route__cta  { grid-column: 1 / -1; text-align: right; }
}

/* legacy library/card classes intentionally removed — replaced by .lib-route */

/* ═════════════════════════════  PEPTIDE CATALOGUE  ═════════════════════════════ */
.cat-controls {
  display: flex; flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 1.5rem;
}
.cat-search {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1.05rem;
  color: var(--text);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 220ms var(--ease), box-shadow 220ms var(--ease);
}
.cat-search::placeholder { color: var(--text-3); }
.cat-search:focus {
  border-color: var(--green);
  box-shadow: 0 0 0 3px color-mix(in oklch, var(--green) 18%, transparent);
}
.cat-cats {
  display: flex; flex-wrap: wrap;
  gap: 0.35rem;
}
.cat-chip {
  font: inherit;
  font-size: 0.84rem;
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-2);
  cursor: pointer;
  transition: all 220ms var(--ease);
}
.cat-chip:hover {
  border-color: var(--green);
  color: var(--green);
}
.cat-chip.is-active {
  background: var(--green);
  color: var(--bg);
  border-color: var(--green);
  font-weight: 600;
}

/* tight searchable catalogue table — sticky header, sortable, zebra rows */
.cat-table-wrap {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
}
.cat-table-meta {
  display: flex; justify-content: space-between; align-items: center;
  padding: 0.7rem 1rem;
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-3);
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklch, var(--bg-2) 60%, var(--surface));
}
.cat-table-meta__hint {
  color: var(--text-4);
  font-size: 0.66rem;
  letter-spacing: 0.1em;
  text-transform: none;
}
.cat-table-scroll {
  max-height: 560px;
  overflow: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line-strong) transparent;
}
.cat-table-scroll::-webkit-scrollbar { width: 8px; height: 8px; }
.cat-table-scroll::-webkit-scrollbar-thumb { background: var(--line-strong); border-radius: 4px; }
.cat-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.86rem;
  table-layout: auto;
}
.cat-table thead th {
  position: sticky; top: 0;
  z-index: 2;
  text-align: left;
  font-family: var(--mono);
  font-weight: 500;
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-3);
  background: color-mix(in oklch, var(--bg-2) 92%, var(--surface));
  padding: 0.7rem 0.85rem;
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
  user-select: none;
}
.cat-table thead th[data-sort] {
  cursor: pointer;
  transition: color 180ms var(--ease);
}
.cat-table thead th[data-sort]::after {
  content: '↕';
  margin-left: 0.4rem;
  opacity: 0.3;
  font-size: 0.7rem;
}
.cat-table thead th[data-sort]:hover { color: var(--text); }
.cat-table thead th[data-sort]:hover::after { opacity: 0.7; }
.cat-table thead th.is-sorted { color: var(--green); }
.cat-table thead th.is-sorted::after { content: '↑'; opacity: 1; color: var(--green); }
.cat-table thead th.is-sorted.is-desc::after { content: '↓'; }
.cat-table thead th.num,
.cat-table tbody td.num {
  text-align: right;
  font-variant-numeric: tabular-nums;
}
.cat-table tbody tr {
  cursor: pointer;
  transition: background 160ms var(--ease);
  border-bottom: 1px solid color-mix(in oklch, var(--line) 60%, transparent);
}
.cat-table tbody tr:nth-child(even) {
  background: color-mix(in oklch, var(--bg-2) 35%, transparent);
}
.cat-table tbody tr:hover {
  background: color-mix(in oklch, var(--green) 8%, transparent);
}
.cat-table tbody tr:hover .cat-row__name span:first-child {
  color: var(--green);
}
.cat-table tbody td {
  padding: 0.7rem 0.85rem;
  vertical-align: middle;
  color: var(--text-2);
}
.cat-row__name {
  display: flex; flex-direction: column;
  gap: 0.15rem;
  min-width: 160px;
}
.cat-row__name span:first-child {
  font-family: var(--display);
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.005em;
  transition: color 180ms var(--ease);
}
.cat-row__alias {
  font-family: var(--mono);
  font-style: normal;
  font-size: 0.7rem;
  color: var(--text-4);
  letter-spacing: 0.04em;
}
.cat-row__cat {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--green);
  padding: 0.18rem 0.5rem;
  border-radius: 999px;
  background: color-mix(in oklch, var(--green) 8%, transparent);
  border: 1px solid color-mix(in oklch, var(--green) 25%, transparent);
  white-space: nowrap;
}
.cat-row__mech {
  max-width: 320px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--text-3);
  font-size: 0.82rem;
}
.cat-row__freq {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-2);
  white-space: nowrap;
}
.cat-row__route {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--text-3);
}
.cat-row__empty {
  text-align: center;
  padding: 2rem;
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 0.86rem;
}
@media (max-width: 880px) {
  .cat-table thead th.cat-table__mech,
  .cat-table tbody td.cat-row__mech,
  .cat-table thead th:last-child,
  .cat-table tbody td.cat-row__route {
    display: none;
  }
}

/* ═════════════════════════════  PRICING TIERS  ═════════════════════════════ */
.tiers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1.1rem;
  max-width: 1100px;
  margin: 2.5rem auto 0;
}
@media (max-width: 880px) {
  .tiers { grid-template-columns: 1fr; }
}
.tier {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.8rem;
  display: flex; flex-direction: column;
  gap: 1.2rem;
  transition: transform 380ms var(--ease), border-color 320ms var(--ease), box-shadow 480ms var(--ease);
}
.tier:hover {
  transform: translateY(-4px);
  border-color: var(--line-strong);
}
.tier--featured {
  border-color: var(--green);
  background: linear-gradient(180deg,
    color-mix(in oklch, var(--green-soft) 35%, var(--surface)) 0%,
    var(--surface) 60%);
  box-shadow: 0 28px 60px -32px color-mix(in oklch, var(--green) 35%, transparent);
}
.tier--featured:hover {
  box-shadow: 0 36px 72px -32px color-mix(in oklch, var(--green) 45%, transparent);
}
.tier__badge {
  position: absolute;
  top: -10px; right: 18px;
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  background: var(--green);
  color: var(--bg);
  padding: 4px 10px;
  border-radius: 999px;
  font-weight: 700;
}
.tier__head h3 {
  font-family: var(--display);
  font-size: 1.2rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
}
.tier__price {
  display: flex; align-items: baseline; gap: 0.4rem;
}
.tier__amt {
  font-family: var(--display);
  font-size: 2.4rem;
  font-weight: 700;
  letter-spacing: -0.03em;
}
.tier--featured .tier__amt { color: var(--green); }
.tier__per {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--text-3);
}
.tier__list {
  list-style: none;
  margin: 0; padding: 0;
  display: flex; flex-direction: column; gap: 0.6rem;
  flex: 1;
}
.tier__list li {
  font-size: 0.92rem;
  color: var(--text-2);
  position: relative;
  padding-left: 1.4rem;
}
.tier__list li::before {
  content: '+';
  position: absolute;
  left: 0; top: 0;
  color: var(--green);
  font-weight: 700;
}

/* ═════════════════════════════  DOCS GRID  ═════════════════════════════ */
.docs-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 0.9rem;
}
.doc-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 1.5rem;
  cursor: pointer;
  position: relative;
  transition: all 320ms var(--ease);
  overflow: hidden;
}
.doc-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg,
    color-mix(in oklch, var(--green) 12%, transparent) 0%,
    transparent 50%);
  opacity: 0;
  transition: opacity 320ms var(--ease);
  pointer-events: none;
}
.doc-card:hover {
  border-color: var(--green);
  transform: translateY(-2px);
}
.doc-card:hover::before { opacity: 1; }
.doc-card > * { position: relative; }
.doc-card__num {
  font-family: var(--mono);
  font-size: 0.78rem;
  color: var(--green);
  font-weight: 700;
  letter-spacing: 0.1em;
}
.doc-card h3 {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 0.6rem 0 0.5rem;
}
.doc-card p {
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.55;
  margin: 0;
}

/* ═════════════════════════════  FOOTER  ═════════════════════════════ */
.footer {
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding: clamp(3rem, 1.5rem + 4vw, 5rem) var(--gutter) 2rem;
  position: relative;
  z-index: 1;
}
.footer__grid {
  max-width: var(--maxw);
  margin: 0 auto;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 2fr);
  gap: clamp(2rem, 1rem + 4vw, 5rem);
}
@media (max-width: 760px) { .footer__grid { grid-template-columns: 1fr; } }
.brand--footer { font-size: 1.4rem; }
.footer__desc {
  margin: 1rem 0 0;
  max-width: 42ch;
  font-size: 0.9rem;
  color: var(--text-2);
  line-height: 1.6;
}
.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}
@media (max-width: 540px) { .footer__nav { grid-template-columns: repeat(2, 1fr); } }
.footer__nav h4 {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-3);
  margin: 0 0 0.95rem;
  font-weight: 600;
}
.footer__nav a {
  display: block;
  font-size: 0.92rem;
  color: var(--text-2);
  padding: 0.2rem 0;
  position: relative;
  transition: color 220ms var(--ease), transform 220ms var(--ease);
  cursor: pointer;
}
.footer__nav a:hover {
  color: var(--green);
  transform: translateX(4px);
}

.footer__social {
  max-width: var(--maxw);
  margin: 2.4rem auto 0;
  padding-top: 1.6rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: flex-start;
  gap: 0.6rem;
}
.social-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text-2);
  font-size: 0.86rem;
  font-family: var(--mono);
  transition: all 220ms var(--ease);
}
.social-btn:hover {
  color: var(--green);
  border-color: var(--green);
  transform: translateY(-1px);
  box-shadow: 0 8px 16px -10px color-mix(in oklch, var(--green) 40%, transparent);
}
.social-btn svg { display: block; }

.footer__bottom {
  max-width: var(--maxw);
  margin: 1.4rem auto 0;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line);
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  color: var(--text-3);
  gap: 1rem;
  flex-wrap: wrap;
  font-family: var(--mono);
}
.footer__warn {
  font-size: 0.78rem;
  color: var(--amber);
  background: color-mix(in oklch, var(--amber) 10%, transparent);
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid color-mix(in oklch, var(--amber) 25%, transparent);
}

/* ═════════════════════════════  MODALS  ═════════════════════════════ */
.modal {
  position: fixed; inset: 0;
  z-index: 100;
  display: none;
  align-items: center; justify-content: center;
}
.modal.is-open { display: flex; }
.modal__backdrop {
  position: absolute; inset: 0;
  background: color-mix(in oklch, var(--bg) 70%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  animation: fadeIn 220ms var(--ease);
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
.modal__panel {
  position: relative;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 2rem;
  max-width: 460px;
  width: calc(100% - 2rem);
  margin: 1rem;
  box-shadow: 0 32px 80px -24px rgba(0,0,0,0.7);
  animation: modalIn 320ms var(--ease);
  max-height: 86vh;
  overflow-y: auto;
}
.modal__panel--lg { max-width: 720px; }
@keyframes modalIn {
  from { opacity: 0; transform: translateY(20px) scale(0.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}
.modal__close {
  position: absolute;
  top: 1rem; right: 1rem;
  width: 32px; height: 32px;
  border-radius: 999px;
  background: var(--bg-3);
  color: var(--text-2);
  border: 1px solid var(--line);
  font-size: 1.4rem;
  line-height: 1;
  display: grid; place-items: center;
  cursor: pointer;
  transition: all 220ms var(--ease);
}
.modal__close:hover {
  background: var(--green);
  color: var(--bg);
  border-color: var(--green);
}
.modal__title {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  letter-spacing: -0.02em;
}
.modal__sub {
  color: var(--text-2);
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}
.modal__foot {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-3);
  text-align: center;
}
.modal__foot a { color: var(--green); }

/* login options */
.login-options {
  display: flex; flex-direction: column;
  gap: 0.6rem;
}
.google-signin-host {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 44px;
}
.google-signin-host iframe { color-scheme: dark; }
.login-btn {
  display: flex; align-items: center; justify-content: center;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--text);
  font-weight: 500;
  font-size: 0.95rem;
  cursor: pointer;
  transition: all 220ms var(--ease);
}
.login-btn:hover {
  border-color: var(--green);
  background: var(--surface-2);
  transform: translateY(-1px);
}
.login-btn--google { background: var(--text); color: var(--bg); border-color: var(--text); }
.login-btn--google:hover { background: var(--text); border-color: var(--green); }
.login-divider {
  position: relative;
  text-align: center;
  margin: 0.4rem 0;
}
.login-divider::before {
  content: '';
  position: absolute;
  left: 0; right: 0; top: 50%;
  height: 1px;
  background: var(--line);
}
.login-divider span {
  position: relative;
  background: var(--surface);
  padding: 0 0.85rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--text-3);
}

.wallet-list { display: flex; flex-direction: column; gap: 0.5rem; }
.wallet-empty {
  font-size: 0.85rem;
  color: var(--text-3);
  text-align: center;
  margin: 0.4rem 0;
}
.wallet-btn {
  display: flex; align-items: center; gap: 0.7rem;
  padding: 0.7rem 0.95rem;
  border-radius: 10px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.9rem;
  cursor: pointer;
  transition: all 220ms var(--ease);
}
.wallet-btn:hover {
  border-color: var(--green);
  transform: translateX(2px);
}
.wallet-btn__icon {
  width: 28px; height: 28px;
  border-radius: 8px;
  display: grid; place-items: center;
  flex-shrink: 0;
  overflow: hidden;
}
.wallet-btn__icon svg,
.wallet-btn__icon img {
  width: 28px;
  height: 28px;
  display: block;
}
.wallet-btn__name { flex: 1; font-weight: 500; text-align: left; }
.wallet-btn__status {
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--green);
}

/* generic info modal content */
.info-content {
  display: flex; flex-direction: column; gap: 1rem;
}
.info-content h2 {
  font-family: var(--display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0;
  letter-spacing: -0.02em;
}
.info-content h3 {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
  margin: 0.4rem 0 0.2rem;
  color: var(--green);
}
.info-content p {
  margin: 0;
  font-size: 0.94rem;
  color: var(--text-2);
  line-height: 1.6;
}
.info-content ul {
  margin: 0; padding-left: 1.2rem;
  color: var(--text-2);
  line-height: 1.6;
  font-size: 0.94rem;
}
.info-content code {
  font-family: var(--mono);
  font-size: 0.86rem;
  background: var(--bg-3);
  padding: 1px 6px;
  border-radius: 4px;
  border: 1px solid var(--line);
  color: var(--green);
}
.info-content table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}
.info-content th, .info-content td {
  text-align: left;
  padding: 0.5rem;
  border-bottom: 1px solid var(--line);
}
.info-content th {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
}

/* Peptide detail modal */
.peptide-detail__cat {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--green);
  background: var(--green-soft);
  padding: 3px 9px;
  border-radius: 4px;
  font-weight: 700;
  margin-bottom: 0.5rem;
}
.peptide-detail h2 {
  font-family: var(--display);
  font-size: 1.7rem;
  font-weight: 700;
  margin: 0 0 0.4rem;
  letter-spacing: -0.025em;
}
.peptide-spec {
  background: var(--bg-3);
  border-radius: 8px;
  border: 1px solid var(--line);
  font-size: 0.92rem;
  margin: 0.4rem 0 1.4rem;
}
.peptide-spec th {
  width: 40%;
  background: transparent;
  border-bottom: 1px solid var(--line);
  color: var(--text-3);
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  vertical-align: middle;
}
.peptide-spec td {
  border-bottom: 1px solid var(--line);
  color: var(--text);
  font-family: var(--mono);
  font-size: 0.88rem;
}
.peptide-spec tr:last-child th,
.peptide-spec tr:last-child td { border-bottom: none; }

/* ═════════════════════════════  DOCS PAGE  ═════════════════════════════ */
.docs-page {
  position: relative;
  z-index: 2;
}
.docs-page__shell {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(2rem, 1rem + 4vw, 4rem) var(--gutter) clamp(3rem, 1rem + 5vw, 6rem);
  display: grid;
  grid-template-columns: 240px minmax(0, 1fr);
  gap: clamp(2rem, 1rem + 3vw, 4rem);
}
@media (max-width: 880px) {
  .docs-page__shell { grid-template-columns: 1fr; }
}

.docs-toc {
  position: sticky;
  top: calc(64px + 1rem);
  align-self: start;
  font-size: 0.9rem;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-right: 0.5rem;
}
@media (max-width: 880px) {
  .docs-toc { position: static; max-height: none; }
}
.docs-toc__label {
  font-family: var(--mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-3);
  margin: 0 0 0.85rem;
  font-weight: 600;
}
.docs-toc nav {
  display: flex;
  flex-direction: column;
  gap: 0.05rem;
  border-left: 1px solid var(--line);
}
.docs-toc a {
  font-size: 0.88rem;
  color: var(--text-3);
  padding: 0.4rem 0.95rem;
  border-left: 2px solid transparent;
  margin-left: -1px;
  transition: color 220ms var(--ease), border-color 220ms var(--ease), background 220ms var(--ease);
}
.docs-toc a:hover {
  color: var(--text);
  border-left-color: var(--line-strong);
}
.docs-toc a.is-active {
  color: var(--green);
  border-left-color: var(--green);
  background: linear-gradient(90deg, color-mix(in oklch, var(--green) 12%, transparent), transparent 80%);
}

.docs-body {
  font-size: 1rem;
  line-height: 1.7;
  color: var(--text-2);
  max-width: 760px;
}
.docs-body__head { margin-bottom: 3rem; }
.docs-h1 {
  font-family: var(--display);
  font-size: clamp(2.2rem, 1.4rem + 2.6vw, 3.4rem);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 0.5rem 0 1.2rem;
  color: var(--text);
}
.docs-lede {
  font-size: 1.18rem;
  color: var(--text-2);
  line-height: 1.55;
  margin: 0;
  max-width: 60ch;
}
.docs-body section {
  border-top: 1px solid var(--line);
  padding-top: 2.4rem;
  margin-top: 2.6rem;
  scroll-margin-top: 80px;
}
.docs-body section:first-of-type {
  border-top: none;
  padding-top: 0;
  margin-top: 0;
}
.docs-body h2 {
  font-family: var(--display);
  font-size: clamp(1.6rem, 1rem + 1.8vw, 2.2rem);
  font-weight: 600;
  letter-spacing: -0.025em;
  margin: 0 0 1.1rem;
  color: var(--text);
}
.docs-body h3 {
  font-family: var(--display);
  font-size: 1.18rem;
  font-weight: 600;
  letter-spacing: -0.015em;
  margin: 1.6rem 0 0.6rem;
  color: var(--text);
}
.docs-body p { margin: 0 0 1rem; }
.docs-body ul, .docs-body ol {
  margin: 0 0 1.2rem;
  padding-left: 1.4rem;
}
.docs-body li {
  margin-bottom: 0.5rem;
}
.docs-body strong { color: var(--text); font-weight: 600; }
.docs-body em { color: var(--text); font-style: italic; }
.docs-body a {
  color: var(--green);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 220ms var(--ease);
}
.docs-body a:hover { color: var(--green-glow); }

.docs-body code {
  font-family: var(--mono);
  font-size: 0.86em;
  background: var(--bg-3);
  border: 1px solid var(--line);
  padding: 1px 6px;
  border-radius: 4px;
  color: var(--green);
}
.docs-body pre {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 1rem 1.1rem;
  overflow-x: auto;
  margin: 1rem 0 1.2rem;
}
.docs-body pre code {
  background: transparent;
  border: none;
  padding: 0;
  color: var(--text);
  font-size: 0.86rem;
  line-height: 1.6;
}

.docs-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 1rem 0 1.4rem;
  font-size: 0.92rem;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.docs-body th, .docs-body td {
  text-align: left;
  padding: 0.7rem 0.95rem;
  border-bottom: 1px solid var(--line);
}
.docs-body th {
  font-family: var(--mono);
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--text-3);
  background: var(--bg-3);
  font-weight: 600;
}
.docs-body tr:last-child td { border-bottom: none; }

.callout {
  background: linear-gradient(180deg,
    color-mix(in oklch, var(--green) 6%, var(--surface)) 0%,
    var(--surface) 100%);
  border: 1px solid color-mix(in oklch, var(--green) 30%, var(--line));
  border-left: 3px solid var(--green);
  border-radius: 10px;
  padding: 1rem 1.2rem;
  margin: 1.2rem 0 1.6rem;
  color: var(--text-2);
}
.callout strong { color: var(--text); }
.callout p { margin: 0.5rem 0 0; }
.callout--warn {
  background: linear-gradient(180deg,
    color-mix(in oklch, var(--amber) 8%, var(--surface)) 0%,
    var(--surface) 100%);
  border-color: color-mix(in oklch, var(--amber) 35%, var(--line));
  border-left-color: var(--amber);
}

.docs-foot {
  margin-top: 4rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 0.82rem;
  color: var(--text-3);
}
.docs-foot a { color: var(--green); }

/* ═════════════════════════════  CHAT PAGE (Claude-style sidebar)  ═════════════════════════════ */
.chat-page {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
  height: calc(100vh - 64px);
  max-width: 100vw;
  overflow: hidden;
}
@media (max-width: 880px) {
  .chat-page { grid-template-columns: 1fr; }
}

.chat-sidebar-toggle {
  display: none;
  position: fixed;
  top: 76px; left: 16px;
  z-index: 25;
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  align-items: center;
  justify-content: center;
}
@media (max-width: 880px) {
  .chat-sidebar-toggle { display: inline-flex; }
}

.chat-sidebar {
  border-right: 1px solid var(--line);
  background: color-mix(in oklch, var(--bg) 60%, var(--surface));
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
@media (max-width: 880px) {
  .chat-sidebar {
    position: fixed;
    inset: 64px auto 0 0;
    width: 280px;
    z-index: 24;
    transform: translateX(-100%);
    transition: transform 320ms var(--ease);
    box-shadow: 0 0 40px -10px rgba(0,0,0,0.5);
  }
  .chat-page.is-sidebar-open .chat-sidebar { transform: translateX(0); }
}

.chat-sidebar__head {
  padding: 0.95rem 0.85rem 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  border-bottom: 1px solid var(--line);
}
.chat-sidebar__new {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  padding: 0.7rem 0.85rem;
  border-radius: 10px;
  background: var(--surface);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.92rem;
  font-weight: 500;
  cursor: pointer;
  transition: all 220ms var(--ease);
}
.chat-sidebar__new:hover {
  border-color: var(--green);
  color: var(--green);
  background: color-mix(in oklch, var(--green-soft) 30%, var(--surface));
}
.chat-sidebar__new svg { color: var(--green); }
.chat-sidebar__search {
  position: relative;
  display: flex;
  align-items: center;
}
.chat-sidebar__search svg {
  position: absolute;
  left: 0.7rem;
  color: var(--text-3);
  pointer-events: none;
}
.chat-sidebar__search input {
  width: 100%;
  padding: 0.55rem 0.85rem 0.55rem 2rem;
  border-radius: 8px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  color: var(--text);
  font-size: 0.86rem;
  outline: none;
  transition: border-color 220ms var(--ease);
}
.chat-sidebar__search input:focus { border-color: var(--green); }
.chat-sidebar__search input::placeholder { color: var(--text-3); }

.chat-sidebar__scroll {
  flex: 1;
  overflow-y: auto;
  padding: 0.6rem 0.5rem;
}
.chat-sidebar__group-label {
  font-family: var(--mono);
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--text-3);
  padding: 0.85rem 0.65rem 0.4rem;
  font-weight: 600;
}
.chat-sidebar__empty {
  padding: 1rem 0.85rem;
  color: var(--text-3);
  font-size: 0.86rem;
  font-style: italic;
}
.conv-item {
  position: relative;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text-2);
  font-size: 0.9rem;
  cursor: pointer;
  margin-bottom: 1px;
  transition: all 180ms var(--ease);
  width: 100%;
  text-align: left;
}
.conv-item:hover {
  background: var(--surface);
  color: var(--text);
}
.conv-item.is-active {
  background: var(--surface-2);
  color: var(--text);
}
.conv-item__title {
  flex: 1;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  font-weight: 500;
}
.conv-item__delete {
  opacity: 0;
  width: 22px; height: 22px;
  border-radius: 6px;
  background: transparent;
  border: none;
  color: var(--text-3);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 160ms var(--ease);
}
.conv-item:hover .conv-item__delete { opacity: 1; }
.conv-item__delete:hover {
  color: var(--red);
  background: color-mix(in oklch, var(--red) 12%, transparent);
}

.chat-sidebar__foot {
  padding: 0.6rem 0.6rem 0.85rem;
  border-top: 1px solid var(--line);
}
.account-chip {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.55rem 0.7rem;
  border-radius: 8px;
  border: 1px solid transparent;
  background: transparent;
  color: var(--text-2);
  font-size: 0.86rem;
  width: 100%;
  text-align: left;
  cursor: pointer;
  transition: all 180ms var(--ease);
}
.account-chip:hover {
  background: var(--surface);
  color: var(--text);
}
.account-chip__avatar {
  width: 26px; height: 26px;
  border-radius: 999px;
  background: linear-gradient(135deg, var(--green), oklch(60% 0.20 200));
  display: grid; place-items: center;
  font-family: var(--mono);
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--bg);
  flex-shrink: 0;
}
.account-chip__label {
  flex: 1;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* main pane */
.chat-main {
  display: flex;
  flex-direction: column;
  height: 100%;
  overflow: hidden;
}
.chat-main__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.4rem;
  border-bottom: 1px solid var(--line);
  background: color-mix(in oklch, var(--bg) 70%, var(--surface));
}
.chat-main__title {
  font-family: var(--display);
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.01em;
  margin: 0;
  outline: none;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chat-main__title[contenteditable="true"] {
  background: var(--bg-3);
  padding: 0.25rem 0.6rem;
  border-radius: 6px;
  border: 1px solid var(--green);
}
.chat-main__actions {
  display: flex;
  gap: 0.4rem;
}
.chat-main__icon {
  width: 32px; height: 32px;
  border-radius: 8px;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-3);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: all 180ms var(--ease);
}
.chat-main__icon:hover {
  color: var(--green);
  border-color: var(--green);
}
.chat-main__icon[data-action="delete-current"]:hover {
  color: var(--red);
  border-color: var(--red);
}

.chat-main__body {
  flex: 1;
  overflow: hidden;
  padding: 0;
  display: flex;
}
.chat-fullscreen {
  flex: 1;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  max-width: 920px;
  margin: 0 auto;
  width: 100%;
}
.chat-fullscreen .chat__body {
  flex: 1;
  overflow-y: auto;
  padding: 1.6rem 1.4rem;
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
  min-height: 0;
  max-height: none;
}
.chat-fullscreen .usage-bar {
  border-top: 1px solid var(--line);
  background: var(--bg);
}
.chat-fullscreen .chat__compose {
  border-top: 1px solid var(--line);
  background: var(--bg);
  padding: 0.8rem 1rem 1rem;
}
.chat-fullscreen .chat__compose input {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.85rem 1rem;
  font-size: 0.95rem;
  flex: 1;
}
.chat-fullscreen .chat__compose input:focus { border-color: var(--green); outline: none; }

/* ═════════════════════════════  AUTH GATE  ═════════════════════════════ */
.chat__compose.is-locked input,
.chat__compose.is-locked button {
  opacity: 0.55;
  cursor: not-allowed;
  pointer-events: none;
}
[data-chat-card].is-auth-gated .chat__body,
[data-chat-page].is-auth-gated .chat__body {
  filter: blur(2.5px) saturate(0.7);
  pointer-events: none;
  user-select: none;
}
.auth-gate {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1.2rem;
  z-index: 5;
  background: color-mix(in oklch, var(--bg) 55%, transparent);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  animation: gateIn 320ms var(--ease);
}
@keyframes gateIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.auth-gate__inner {
  max-width: 420px;
  width: 100%;
  text-align: center;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.6rem 1.5rem;
  box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.55),
              0 0 0 1px color-mix(in oklch, var(--green) 18%, transparent);
}
.auth-gate__inner h3 {
  font-family: var(--display);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0.6rem 0 0.4rem;
  letter-spacing: -0.01em;
}
.auth-gate__inner p {
  color: var(--text-2);
  font-size: 0.92rem;
  margin: 0 0 1rem;
  line-height: 1.5;
}
.auth-gate__inner strong { color: var(--green); }
.auth-gate__lock {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: 999px;
  background: color-mix(in oklch, var(--green) 18%, transparent);
  color: var(--green);
  margin-bottom: 0.2rem;
}
[data-chat-card] { position: relative; }
.chat-fullscreen { position: relative; }

/* ═════════════════════════════  IN-MESSAGE CYCLE CTA  ═════════════════════════════ */
.msg-cycle-cta {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.9rem;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line);
  flex-wrap: wrap;
}

/* ═════════════════════════════  PMID CITATION CHIPS  ═════════════════════════════ */
.pmid-chip {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  margin: 0 1px;
  font-family: var(--mono);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0;
  color: var(--green);
  background: color-mix(in oklch, var(--green) 16%, transparent);
  border: 1px solid color-mix(in oklch, var(--green) 38%, transparent);
  border-radius: 6px;
  text-decoration: none;
  vertical-align: super;
  line-height: 1;
  transition: background 180ms var(--ease), color 180ms var(--ease), transform 180ms var(--ease);
}
.pmid-chip:hover {
  background: var(--green);
  color: var(--bg);
  transform: translateY(-1px);
}
.pmid-chip--standalone {
  vertical-align: baseline;
  height: auto;
  padding: 3px 8px;
  font-size: 0.72rem;
  margin-right: 0.35rem;
}
.pmid-refs {
  margin-top: 1.2rem;
  padding: 1rem 1.2rem;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 12px;
}
.pmid-refs h4 {
  font-family: var(--display);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--text-2);
  margin: 0 0 0.6rem;
}
.pmid-refs ol {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}
.pmid-refs li {
  font-size: 0.84rem;
  line-height: 1.5;
  color: var(--text-2);
}
.pmid-refs .ref-num {
  display: inline-block;
  min-width: 1.6rem;
  color: var(--green);
  font-family: var(--mono);
  font-weight: 600;
}
.pmid-refs a { color: var(--text); }
.pmid-refs a:hover { color: var(--green); }
.pmid-refs .dim { font-size: 0.78rem; }

/* ═════════════════════════════  CYCLES PAGE  ═════════════════════════════ */
.cycles-page {
  position: relative;
  z-index: 2;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 2.4rem var(--gutter) 4rem;
}
.cycles-page__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.6rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.cycles-page__head h1 {
  font-family: var(--display);
  font-size: clamp(2rem, 1.4rem + 2vw, 3rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin: 0.4rem 0 0.6rem;
}
.cycles-page__sub {
  color: var(--text-2);
  font-size: 1rem;
  max-width: 60ch;
  line-height: 1.55;
  margin: 0;
}
.cycles-page__head-actions {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}
.cycles-layout {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 1.6rem;
  align-items: start;
}
@media (max-width: 920px) {
  .cycles-layout { grid-template-columns: 1fr; }
}
.cycles-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: sticky;
  top: 84px;
  max-height: calc(100vh - 100px);
  overflow-y: auto;
  padding-right: 0.4rem;
}
.cycles-list__empty {
  padding: 1.2rem;
  background: var(--bg-3);
  border: 1px dashed var(--line);
  border-radius: 14px;
  font-size: 0.9rem;
  color: var(--text-2);
}
.cycles-list__empty p { margin: 0 0 0.4rem; }
.cycles-line {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.8rem;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}
.cycles-line__head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-2);
  margin-bottom: 0.2rem;
}
.cycles-line__goal {
  color: var(--green);
  font-weight: 600;
}
.cycles-line__count {
  font-family: var(--mono);
  color: var(--text-3);
}
.cycles-line__item {
  text-align: left;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 10px;
  padding: 0.7rem 0.8rem;
  cursor: pointer;
  transition: background 180ms var(--ease), border-color 180ms var(--ease);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  color: var(--text);
}
.cycles-line__item:hover {
  background: var(--bg-3);
  border-color: var(--line);
}
.cycles-line__item.is-active {
  background: color-mix(in oklch, var(--green) 10%, transparent);
  border-color: color-mix(in oklch, var(--green) 30%, transparent);
}
.cycles-line__title {
  font-weight: 600;
  font-size: 0.95rem;
  display: flex;
  gap: 0.5rem;
  align-items: baseline;
}
.cycles-line__v {
  font-family: var(--mono);
  font-size: 0.7rem;
  color: var(--green);
  background: color-mix(in oklch, var(--green) 15%, transparent);
  border: 1px solid color-mix(in oklch, var(--green) 30%, transparent);
  border-radius: 4px;
  padding: 1px 5px;
}
.cycles-line__meta {
  font-size: 0.78rem;
  color: var(--text-2);
}
.cycles-detail {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.8rem;
  min-height: 60vh;
}
.cycles-empty {
  text-align: center;
  padding: 3rem 1rem;
  color: var(--text-2);
}
.cycles-empty h2 {
  font-family: var(--display);
  font-size: 1.4rem;
  margin: 0 0 0.6rem;
}
.cycle-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1.2rem;
  margin-bottom: 1.4rem;
  flex-wrap: wrap;
}
.cycle-card__chip {
  display: inline-block;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--green);
  background: color-mix(in oklch, var(--green) 15%, transparent);
  border: 1px solid color-mix(in oklch, var(--green) 30%, transparent);
  border-radius: 6px;
  padding: 2px 8px;
  margin-bottom: 0.6rem;
}
.cycle-card h2[contenteditable="true"] {
  font-family: var(--display);
  font-size: 1.7rem;
  font-weight: 700;
  letter-spacing: -0.01em;
  margin: 0 0 0.4rem;
  outline: none;
  border-bottom: 1px dashed transparent;
  padding-bottom: 2px;
}
.cycle-card h2[contenteditable="true"]:hover,
.cycle-card h2[contenteditable="true"]:focus {
  border-bottom-color: var(--line);
}
.cycle-card__meta {
  font-size: 0.85rem;
  color: var(--text-2);
  margin: 0;
}
.cycle-card__actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.cycle-card h3 {
  font-family: var(--display);
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-2);
  margin: 1.6rem 0 0.7rem;
}
.cycle-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  font-size: 0.92rem;
}
.cycle-table th {
  font-family: var(--display);
  font-size: 0.74rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-2);
  text-align: left;
  padding: 0.7rem 0.9rem;
  background: var(--surface);
  border-bottom: 1px solid var(--line);
}
.cycle-table td {
  padding: 0.7rem 0.9rem;
  border-bottom: 1px solid var(--line);
}
.cycle-table tr:last-child td { border-bottom: none; }
.cycle-table--lab td:nth-child(2) { font-family: var(--mono); }
.cycle-table--input input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 6px;
  color: var(--text);
  padding: 0.4rem 0.5rem;
  font-family: var(--mono);
  font-size: 0.86rem;
}
.cycle-table--input input:focus {
  outline: none;
  border-color: var(--green);
}
.lab-status {
  font-family: var(--mono);
  font-size: 0.78rem;
  padding: 2px 8px;
  border-radius: 6px;
  font-weight: 600;
}
.lab-status--ok   { color: var(--green); background: color-mix(in oklch, var(--green) 15%, transparent); }
.lab-status--high { color: #ff8a8a;      background: color-mix(in oklch, #ff5050 18%, transparent); }
.lab-status--low  { color: #ffb574;      background: color-mix(in oklch, #ff8a3d 18%, transparent); }
.lab-status--unk  { color: var(--text-3); background: transparent; }

.cycle-pmids {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  margin-top: 0.8rem;
}
.cycle-notes {
  width: 100%;
  min-height: 100px;
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--text);
  padding: 0.8rem 0.9rem;
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.5;
  resize: vertical;
}
.cycle-notes:focus { outline: none; border-color: var(--green); }
.cta--danger { border-color: color-mix(in oklch, #ff5050 30%, transparent); color: #ff8a8a; }
.cta--danger:hover { background: color-mix(in oklch, #ff5050 12%, transparent); }

/* ═════════════════════════════  BLOODWORK SECTION  ═════════════════════════════ */
.bloodwork-section { display: flex; flex-direction: column; gap: 0.8rem; }
.bloodwork-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; margin-bottom: 0.4rem; }
.bloodwork-draw {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
}
.bloodwork-draw summary {
  list-style: none;
  cursor: pointer;
  padding: 0.7rem 0.9rem;
  display: flex;
  align-items: center;
  gap: 0.8rem;
  font-size: 0.9rem;
}
.bloodwork-draw summary::-webkit-details-marker { display: none; }
.bloodwork-draw summary::before {
  content: '▸';
  font-family: var(--mono);
  color: var(--text-3);
  transition: transform 180ms var(--ease);
}
.bloodwork-draw[open] summary::before { transform: rotate(90deg); }
.bloodwork-draw__label { font-weight: 600; }
.bloodwork-draw__date { font-family: var(--mono); color: var(--text-2); font-size: 0.84rem; }
.bloodwork-draw__count { color: var(--text-3); font-size: 0.84rem; margin-left: auto; }
.bloodwork-draw__del {
  background: transparent;
  border: 1px solid var(--line);
  color: var(--text-3);
  border-radius: 6px;
  width: 22px;
  height: 22px;
  font-size: 1rem;
  line-height: 1;
  cursor: pointer;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}
.bloodwork-draw__del:hover { color: #ff8a8a; border-color: #ff8a8a; }
.bloodwork-draw .cycle-table { border-radius: 0; border-left: none; border-right: none; border-bottom: none; }

.bloodwork-trends {
  background: linear-gradient(180deg,
    color-mix(in oklch, var(--green) 8%, transparent) 0%,
    transparent 100%);
  border: 1px solid color-mix(in oklch, var(--green) 22%, transparent);
  border-radius: 12px;
  padding: 1rem 1.1rem;
  margin-top: 0.4rem;
}
.bloodwork-trends h4 {
  font-family: var(--display);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--green);
  margin: 0 0 0.7rem;
}
.bloodwork-trends__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 0.6rem;
}
.bloodwork-trend {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.7rem 0.85rem;
}
.bloodwork-trend__name {
  font-size: 0.82rem;
  color: var(--text-2);
  margin-bottom: 0.3rem;
}
.bloodwork-trend__values {
  display: flex;
  gap: 0.4rem;
  font-family: var(--mono);
  font-size: 0.95rem;
  font-weight: 600;
  align-items: center;
  flex-wrap: wrap;
}
.bloodwork-trend__arrow { color: var(--text-3); font-weight: 400; }
.bloodwork-trend__delta {
  font-family: var(--mono);
  font-size: 0.78rem;
  margin-top: 0.3rem;
}
.bloodwork-trend__delta.is-up   { color: #ff8a8a; }
.bloodwork-trend__delta.is-down { color: var(--green); }
.bloodwork-trend__delta.is-flat { color: var(--text-3); }

/* ═════════════════════════════  BLOODWORK ENTRY FORM  ═════════════════════════════ */
.bw-form { display: flex; flex-direction: column; gap: 0.8rem; }
.bw-form label {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  font-size: 0.84rem;
  color: var(--text-2);
}
.bw-form input[type="text"],
.bw-form input[type="date"],
.bw-form textarea {
  background: var(--bg-3);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.6rem 0.75rem;
  color: var(--text);
  font-family: inherit;
  font-size: 0.92rem;
}
.bw-form textarea {
  font-family: var(--mono);
  font-size: 0.84rem;
  line-height: 1.5;
  resize: vertical;
}
.bw-form input:focus,
.bw-form textarea:focus { outline: none; border-color: var(--green); }
.bw-form__actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.6rem;
  margin-top: 0.4rem;
}
.bw-form .cycle-table { max-height: 50vh; overflow-y: auto; display: block; }

/* ═════════════════════════════  DIFF VIEW  ═════════════════════════════ */
.diff-row--added .diff-symbol  { color: var(--green); }
.diff-row--removed .diff-symbol { color: #ff8a8a; }
.diff-row--changed .diff-symbol { color: #ffb574; }
.diff-row--kept .diff-symbol    { color: var(--text-3); }
.diff-symbol { font-family: var(--mono); font-weight: 700; }
.diff-row--added td  { background: color-mix(in oklch, var(--green) 8%, transparent); }
.diff-row--removed td { background: color-mix(in oklch, #ff5050 8%, transparent); }
.diff-row--changed td { background: color-mix(in oklch, #ff8a3d 8%, transparent); }

/* ═════════════════════════════  REDUCED MOTION  ═════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 1ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 1ms !important;
  }
  .reveal { opacity: 1; transform: none; }
}