:root {
  --bg: oklch(0.10 0.015 275);
  --bg-elev: oklch(0.13 0.015 275);
  --bg-elev2: oklch(0.16 0.018 275);
  --line: oklch(0.26 0.015 275);
  --line-soft: oklch(0.20 0.015 275);
  --fg: oklch(0.97 0.005 275);
  --fg-dim: oklch(0.74 0.01 275);
  --fg-dimmer: oklch(0.52 0.015 275);
  --accent: oklch(0.76 0.17 305);
  --accent-dim: oklch(0.76 0.17 305 / 0.12);
  --accent-glow: oklch(0.76 0.17 305 / 0.25);
  --green: oklch(0.80 0.14 185);
  --skel-base: oklch(0.18 0.012 275);
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --sans: "Inter Tight", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --serif: "Fraunces", "Iowan Old Style", Georgia, serif;
  --radius: 10px;
  --radius-sm: 6px;
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; }
html, body, #root { margin: 0; height: 100%; }
html, body { overscroll-behavior: none; }
body {
  font-family: var(--sans);
  background-color: var(--bg);
  color: var(--fg);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
  position: relative;
  font-feature-settings: "ss01", "cv11", "calt";
}
/* ─── Background: solid dark + agent network only ─────────────────────── */
/* Particle field canvas (antigravity-style) */
.bg-particles {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  width: 100%;
  height: 100%;
}
/* Drifting chroma layer removed — static bloom on body bg is enough */
@keyframes bgDrift {
  0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
  33%      { transform: translate(3vmax, -2vmax) rotate(2deg) scale(1.04); }
  66%      { transform: translate(-2vmax, 2.5vmax) rotate(-1.5deg) scale(1.02); }
}

/* Premium scrollbars */
*::-webkit-scrollbar { width: 8px; height: 8px; }
*::-webkit-scrollbar-track { background: transparent; }
*::-webkit-scrollbar-thumb { background: color-mix(in oklch, var(--fg), transparent 88%); border-radius: 4px; }
*::-webkit-scrollbar-thumb:hover { background: color-mix(in oklch, var(--fg), transparent 78%); }

/* Subtle vignette — removed; background is solid dark + particle network */
.app::before { content: none; }

/* Hero spotlight — removed */
.chat-head { position: relative; }

.mono { font-family: var(--mono); }

/* ─── Entry ───────────────────────────────────────────────────────────── */
.app {
  display: grid;
  grid-template-rows: auto 1fr;
  height: 100vh;
  opacity: 0;
  transition: opacity 0.6s var(--ease);
}
.app.in { opacity: 1; }

/* ─── Top bar ─────────────────────────────────────────────────────────── */
.top {
  position: relative;
  z-index: 10;
  padding: 22px 32px 20px;
}
.app:not(.panel-open) .top-inner {
  max-width: 720px;
  margin: 0 auto;
}
.top-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  transition: max-width 0.55s var(--ease);
}
.top::after {
  content: "";
  position: absolute;
  left: 32px;
  right: 32px;
  bottom: 0;
  height: 1px;
  background: var(--line-soft);
}

.top-l { display: flex; align-items: baseline; gap: 14px; }
.brand-name {
  font-family: var(--serif);
  font-size: 17px;
  font-weight: 400;
  color: var(--fg);
  letter-spacing: -0.015em;
  text-decoration: none;
  cursor: pointer;
  transition: opacity 0.2s ease;
}
.brand-name:hover { opacity: 0.7; }

.top-c { justify-self: center; }
.seoul-clock {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dimmer);
  letter-spacing: 0.02em;
}
.clock-label { text-transform: uppercase; font-size: 10px; letter-spacing: 0.12em; }
.clock-time { color: var(--fg-dim); font-variant-numeric: tabular-nums; }

.top-r {
  display: flex;
  align-items: center;
  gap: 22px;
  justify-self: end;
}
.top-link {
  font-size: 13px;
  color: var(--fg-dim);
  text-decoration: none;
  transition: color 0.2s var(--ease);
  letter-spacing: -0.005em;
  position: relative;
}
.top-link::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -3px;
  height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}
.top-link:hover { color: var(--fg); }
.top-link:hover::after { transform: scaleX(1); }

/* ─── Main grid ───────────────────────────────────────────────────────── */
.main {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr;
  height: 100%;
  min-height: 0;
  gap: 0;
  background: transparent;
  transition: grid-template-columns 0.55s var(--ease);
}
.app.panel-open .main {
  grid-template-columns: minmax(380px, 1fr) minmax(480px, 1.3fr);
}
.app.panel-open[data-hero="full"] .main { grid-template-columns: 1fr 1fr; }

/* Hero dust-disintegration — stays centered in place. Pure dust fade with
   turbulence displacement; no directional sweep, no translation. */
.app:not(.empty) .chat-head {
  animation: dustAway 1.4s cubic-bezier(0.4, 0, 0.6, 1) forwards;
  pointer-events: none;
  transform-origin: center center;
  filter: url(#dust-disintegrate);
  will-change: opacity, filter, max-height;
}
/* Once the dust animation has played, keep hero permanently collapsed.
   Without this, any re-display (e.g. mobile panel close → .chat-col is
   shown again after being `display: none`) re-triggers the animation
   from frame 0 and the hero fades in and away each time. */
.app:not(.empty):not(.hero-fading) .chat-head {
  animation: none;
  opacity: 0;
  max-height: 0;
  margin: 0;
  padding-top: 0;
  padding-bottom: 0;
  overflow: hidden;
  filter: none;
}
@keyframes dustAway {
  0% {
    opacity: 1;
    max-height: 400px;
    margin-bottom: 0;
  }
  55% {
    opacity: 0.5;
    max-height: 400px;
  }
  100% {
    opacity: 0;
    max-height: 0;
    margin-top: 0;
    margin-bottom: 0;
    padding-top: 0;
    padding-bottom: 0;
    overflow: hidden;
  }
}

/* After hero fades, push messages down from nav with generous top padding */
.app:not(.empty):not(.hero-fading) .messages {
  padding-top: 36px;
  animation: messagesSettle 0.7s cubic-bezier(0.25, 0.1, 0.25, 1) both;
}
@keyframes messagesSettle {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: none; }
}

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

.chat-col {
  display: grid;
  grid-template-rows: auto 1fr auto;
  min-height: 0;
  background: var(--bg);
  transition: padding 0.5s var(--ease);
}
/* Composer glide: pin composer to bottom and push it upward in empty state
   via margin-bottom. Animating margin-bottom gives a smooth glide on first
   submit as the value transitions from empty → 0. */
.composer-wrap {
  margin-bottom: 0;
}
.app:not(.panel-open) .chat-head,
.app:not(.panel-open) .messages,
.app:not(.panel-open) .composer-wrap {
  max-width: 720px;
  margin-left: auto;
  margin-right: auto;
  width: 100%;
  padding-left: 0;
  padding-right: 0;
}

/* Smoothly glide composer between empty-centered and chat-bottom positions.
   During the hero-fading window the composer fades out first, then fades back
   in at its new (bottom) position once the hero is gone. */
.composer-wrap {
  transition: transform 1s cubic-bezier(0.4, 0, 0.2, 1),
              opacity 500ms ease-out;
}
.app.hero-fading .composer-wrap {
  opacity: 0;
  transition: opacity 320ms ease-in;
}
.chat-head {
  transition: padding 1s cubic-bezier(0.4, 0, 0.2, 1);
}
.app.empty.panel-open { /* shouldn't happen but safe */ }
.app:is(.empty, .hero-fading):not(.panel-open) .chat-col {
  grid-template-rows: 1fr auto auto 1.4fr;
}
.app:is(.empty, .hero-fading):not(.panel-open) .chat-head {
  grid-row: 2;
  text-align: center;
  padding-top: 0;
  padding-bottom: 32px;
}
.app:is(.empty, .hero-fading):not(.panel-open) .messages {
  display: none;
}
.app:is(.empty, .hero-fading):not(.panel-open) .composer-wrap {
  grid-row: 3;
}
.hero-greet {
  font-size: 68px;
  text-align: center;
}
.app:is(.empty, .hero-fading):not(.panel-open) .hero-greet {
  font-size: 80px;
}
.hero-tag {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
  max-width: 34ch;
}
.app:is(.empty, .hero-fading):not(.panel-open) .hero-sub {
  margin-left: auto;
  margin-right: auto;
  text-align: center;
}
.app:is(.empty, .hero-fading):not(.panel-open) .suggestions {
  justify-content: center;
}

.app:not(.panel-open) .hero-greet { font-size: 80px; }
.app:not(.panel-open) .chat-head { padding-top: 72px; padding-bottom: 40px; }

.chat-head {
  padding: 36px 40px 28px;
}
.hero-greet {
  font-family: var(--serif);
  font-size: 54px;
  font-weight: 300;
  font-style: italic;
  letter-spacing: -0.035em;
  line-height: 1;
  margin: 0;
}
.hero-greet-inner {
  display: inline-block;
  background-image: linear-gradient(
    100deg,
    var(--fg) 0%,
    var(--fg) 38%,
    var(--accent) 50%,
    var(--fg) 62%,
    var(--fg) 100%
  );
  background-size: 220% 100%;
  background-position: 100% 0;
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
  animation: heroReveal 0.9s var(--ease) both, heroSheen 5.5s ease-in-out 0.9s infinite;
}
@keyframes heroReveal {
  from { opacity: 0; transform: translateY(0.25em); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: none; }
}
@keyframes heroSheen {
  0%   { background-position: 100% 0; }
  50%  { background-position: 0% 0; }
  100% { background-position: 100% 0; }
}

.hero-tag {
  margin: 22px auto 0;
  color: var(--fg);
  font-size: 20px;
  font-weight: 400;
  line-height: 1.45;
  letter-spacing: -0.012em;
  max-width: 34ch;
  text-align: center;
  text-wrap: balance;
}
.hero-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(6px);
  animation: heroWordIn 0.55s var(--ease) both;
  white-space: pre;
}
@keyframes heroWordIn {
  to { opacity: 1; transform: none; }
}
.tag-em {
  color: var(--accent);
  font-weight: 500;
}

.rot-phrase {
  display: inline-block;
  position: relative;
  min-height: 1em;
}
.rot-word {
  display: inline-block;
  animation: rotIn 0.65s var(--ease) both;
  color: var(--fg-dim);
}
@keyframes rotIn {
  from { opacity: 0; transform: translateY(10px); filter: blur(5px); }
  to { opacity: 1; transform: none; filter: none; }
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(14px); filter: blur(4px); }
  to { opacity: 1; transform: none; filter: none; }
}
@keyframes fadeSlide {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: none; }
}

/* ─── Messages ───────────────────────────────────────────────────────── */
.messages {
  overflow-y: auto;
  padding: 8px 40px 24px;
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
}
.messages::-webkit-scrollbar { width: 4px; }
.messages::-webkit-scrollbar-thumb { background: var(--line); border-radius: 2px; }

.msg { animation: msgIn 0.5s var(--ease) both; }
@keyframes msgIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: none; }
}

.msg.user {
  align-self: flex-start;
  max-width: 100%;
  padding-left: 14px;
  border-left: 2px solid var(--accent);
  opacity: 0.85;
}
.msg.user .msg-body {
  color: var(--fg-dim);
  font-size: 13px;
  font-style: italic;
  letter-spacing: -0.005em;
}
.msg.agent .msg-body {
  color: var(--fg);
  font-size: 15px;
  line-height: 1.65;
  text-wrap: pretty;
  max-width: 58ch;
}

.tool-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 10px;
  font-size: 12px;
  color: var(--accent);
  background: transparent;
  border: 1px solid color-mix(in oklch, var(--fg), transparent 75%);
  padding: 5px 12px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.25s var(--ease);
}
.tool-pill .arrow { transition: transform 0.25s var(--ease); }
.tool-pill:hover {
  background: var(--accent-dim);
  border-color: color-mix(in oklch, var(--fg), transparent 55%);
}
.tool-pill:hover .arrow { transform: translateX(3px); }

.typing { display: inline-flex; gap: 4px; align-items: center; height: 18px; }
.typing span {
  width: 5px; height: 5px; border-radius: 50%;
  background: var(--fg-dim);
  animation: typing 1.2s infinite;
}
.typing span:nth-child(2) { animation-delay: 0.15s; }
.typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

/* ─── Composer ────────────────────────────────────────────────────────── */
.composer-wrap {
  padding: 18px 40px 28px;
}
.suggestions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.sug {
  font-size: 12px;
  background: transparent;
  color: var(--fg-dim);
  border: 1px solid var(--line);
  padding: 7px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), transform 0.25s var(--ease), background 0.25s var(--ease);
  opacity: 0;
  animation: fadeSlide 0.5s var(--ease) forwards;
  position: relative;
  overflow: hidden;
}
.sug::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, color-mix(in oklch, var(--accent), transparent 85%), transparent);
  transform: translateX(-100%);
  transition: transform 0.55s var(--ease);
  pointer-events: none;
}
.sug:hover:not(:disabled) {
  color: var(--fg);
  border-color: color-mix(in oklch, var(--fg), transparent 55%);
  transform: translateY(-2px);
  background: color-mix(in oklch, var(--accent), transparent 94%);
}
.sug:hover:not(:disabled)::before { transform: translateX(100%); }
.sug:disabled { opacity: 0.3; cursor: not-allowed; }

.composer {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 14px 16px;
  transition: border-color 0.25s var(--ease);
}
.composer:focus-within {
  border-color: color-mix(in oklch, var(--fg), transparent 55%);
}
.prompt-caret {
  color: var(--accent);
  font-family: var(--mono);
  font-weight: 600;
}
.composer-input {
  flex: 1;
  background: transparent;
  border: 0;
  color: var(--fg);
  font-family: var(--sans);
  font-size: 14px;
  outline: none;
}
.composer-input::placeholder { color: var(--fg-dimmer); }
.composer-send {
  background: var(--accent);
  border: 0;
  color: var(--bg);
  font-size: 14px;
  width: 28px; height: 28px;
  border-radius: 50%;
  cursor: pointer;
  transition: transform 0.2s var(--ease), opacity 0.2s;
  display: grid;
  place-items: center;
}
.composer-send:not(:disabled):hover { transform: scale(1.1); }
.composer-send:disabled { opacity: 0.3; cursor: not-allowed; background: var(--line); color: var(--fg-dimmer); }

/* ─── Panel column (iOS 26 liquid glass) ──────────────────────────────── */
.panel-col {
  /* very transparent glass tint */
  background: color-mix(in oklch, var(--fg) 4%, transparent);
  backdrop-filter: blur(44px) saturate(160%);
  -webkit-backdrop-filter: blur(44px) saturate(160%);
  /* hairline left edge + inner specular highlight */
  border-left: 1px solid color-mix(in oklch, var(--fg) 10%, transparent);
  box-shadow:
    inset 1px 0 0 color-mix(in oklch, var(--fg) 16%, transparent),
    inset 0 1px 0 color-mix(in oklch, var(--fg) 8%, transparent),
    -20px 0 40px -20px rgba(0, 0, 0, 0.3);
  min-height: 0;
  overflow: hidden;
  position: relative;
  animation: panelSlideIn 0.55s var(--ease);
}
/* iOS 26 liquid glass: only crisp edge highlights, no large gradient overlays */
.panel-col::before { content: none; }
@keyframes panelSlideIn {
  from { opacity: 0; transform: translateX(24px); }
  to { opacity: 1; transform: none; }
}
.panel-close {
  position: absolute;
  top: 16px; right: 18px;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: transparent;
  border: 1px solid var(--line);
  color: var(--fg-dim);
  cursor: pointer;
  font-size: 18px;
  line-height: 1;
  display: grid;
  place-items: center;
  z-index: 2;
  transition: all 0.2s var(--ease);
}
.panel-close:hover {
  color: var(--fg);
  border-color: color-mix(in oklch, var(--fg), transparent 55%);
  transform: rotate(90deg);
}
.panel-body {
  padding: 40px 40px 32px;
  overflow-y: auto;
  height: 100%;
  scrollbar-width: thin;
  scrollbar-color: var(--line) transparent;
  animation: paneIn 0.5s var(--ease);
}
.panel-body::-webkit-scrollbar { width: 4px; }
.panel-body::-webkit-scrollbar-thumb { background: var(--line); border-radius: 2px; }
@keyframes paneIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: none; }
}

.panel-scene { max-width: 560px; }
.scene-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  margin-bottom: 20px;
  opacity: 0;
  animation: fadeSlide 0.5s var(--ease) 0.05s forwards;
}

.stagger-item {
  opacity: 0;
  animation: riseFade 0.6s var(--ease) forwards;
}
@keyframes riseFade {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

/* ─── Project cards ──────────────────────────────────────────────────── */
.pgrid { display: flex; flex-direction: column; gap: 12px; }
.pcard {
  background: color-mix(in oklch, var(--bg) 55%, transparent);
  border: 1px solid color-mix(in oklch, var(--fg) 7%, transparent);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.3s var(--ease), background 0.3s var(--ease);
}
.pcard:hover {
  border-color: color-mix(in oklch, var(--fg) 14%, transparent);
  background: color-mix(in oklch, var(--bg) 70%, transparent);
}
.pcard.open {
  border-color: color-mix(in oklch, var(--accent) 35%, transparent);
  background: color-mix(in oklch, var(--bg) 75%, transparent);
}
.pcard-head {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: 0;
  padding: 20px 22px;
  cursor: pointer;
  color: inherit;
  text-align: left;
  gap: 16px;
}
.pcard-l { min-width: 0; flex: 1; }
.pcard-name {
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--fg);
  display: flex;
  align-items: center;
  gap: 10px;
  line-height: 1.1;
}
.pcard-star {
  color: var(--accent);
  font-size: 8px;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.pcard-tag {
  color: var(--fg-dim);
  font-size: 12.5px;
  margin-top: 6px;
  letter-spacing: 0.005em;
}
.pcard-r {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.pcard-chev {
  width: 28px; height: 28px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--fg-dim);
  font-size: 18px;
  transition: transform 0.3s var(--ease), background 0.2s, color 0.2s;
  font-family: var(--mono);
  border: 1px solid color-mix(in oklch, var(--fg) 8%, transparent);
}
.pcard:hover .pcard-chev {
  color: var(--fg);
  border-color: color-mix(in oklch, var(--fg) 18%, transparent);
}
.pcard.open .pcard-chev {
  color: var(--accent);
  border-color: color-mix(in oklch, var(--accent) 40%, transparent);
}

.pcard-body {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.5s var(--ease);
}
.pcard.open .pcard-body { max-height: 640px; }
.pcard-body-inner {
  padding: 4px 22px 22px;
  display: flex;
  flex-direction: column;
  gap: 18px;
}
.pcard-summary {
  color: var(--fg);
  font-size: 13.5px;
  line-height: 1.65;
  text-wrap: pretty;
  padding-top: 14px;
  border-top: 1px solid color-mix(in oklch, var(--fg) 6%, transparent);
}
.pcard-metrics {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  gap: 4px;
}
.pcard-mini {
  opacity: 0;
  animation: fadeSlide 0.5s var(--ease) forwards;
  padding: 10px 2px;
  border-left: 1px solid color-mix(in oklch, var(--fg) 6%, transparent);
  padding-left: 14px;
}
.pcard-mini:first-child { border-left: 0; padding-left: 2px; }
.pcard-mini-v {
  font-family: var(--mono);
  font-size: 20px;
  color: var(--accent);
  font-weight: 500;
  letter-spacing: -0.01em;
}
.pcard-mini-l {
  font-family: var(--mono);
  font-size: 9.5px;
  color: var(--fg-dimmer);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: 3px;
}
.pcard-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}
.pcard-tech {
  font-family: var(--mono);
  font-size: 10.5px;
  color: var(--fg-dim);
  background: color-mix(in oklch, var(--fg) 5%, transparent);
  padding: 4px 9px;
  border-radius: 4px;
}
.pcard-tech.dim { color: var(--fg-dimmer); }
.pcard-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 11px;
  color: var(--accent);
  text-decoration: none;
  align-self: flex-start;
}
.pcard-link .arrow { transition: transform 0.25s var(--ease); }
.pcard-link:hover .arrow { transform: translateX(3px); }

/* ─── Experience timeline ─────────────────────────────────────────────── */
.xtimeline {
  position: relative;
  padding-left: 8px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.xrow {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 16px;
}
.xrow-rail {
  position: relative;
  display: flex;
  justify-content: center;
}
.xrow-rail::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 20px;
  bottom: -32px;
  width: 1px;
  background: var(--line);
  transform: translateX(-50%);
}
.xrow:last-child .xrow-rail::before { display: none; }
.xrow-node {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--bg-elev);
  border: 1px solid var(--line);
  margin-top: 8px;
  position: relative;
  z-index: 1;
}
.xrow-node.live {
  background: var(--accent);
  border-color: color-mix(in oklch, var(--fg), transparent 55%);
  box-shadow: 0 0 0 3px var(--accent-dim);
  animation: pulseGlow 2s infinite;
}
@keyframes pulseGlow {
  0%, 100% { box-shadow: 0 0 0 3px var(--accent-dim); }
  50% { box-shadow: 0 0 0 7px transparent; }
}
.xrow-head {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  padding: 0;
  background: transparent;
  border: 0;
  color: inherit;
  text-align: left;
  cursor: pointer;
}
.xrow-role {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--fg);
}
.xrow-co {
  color: var(--fg-dim);
  font-size: 12px;
  margin-top: 2px;
}
.xrow-period {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-dimmer);
  text-transform: uppercase;
  letter-spacing: 0.06em;
  white-space: nowrap;
  margin-top: 6px;
}
.xrow-bullets {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
}
.xrow-bullets li {
  position: relative;
  padding-left: 14px;
  margin-bottom: 6px;
  color: var(--fg-dim);
  font-size: 13px;
  line-height: 1.6;
  text-wrap: pretty;
  opacity: 0;
  animation: fadeSlide 0.4s var(--ease) forwards;
}
.xrow-bullets li::before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 6px; height: 1px;
  background: var(--accent);
}

/* ─── Stack cloud (explain_stack) ─────────────────────────────────────── */
.stack-hero {
  margin-bottom: 24px;
}
.stack-title {
  font-family: var(--serif);
  font-size: 36px;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.stack-sub {
  color: var(--fg-dim);
  font-size: 14px;
  margin-top: 4px;
}
.stack-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}
.stack-word {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg);
  background: var(--bg);
  border: 1px solid var(--line-soft);
  padding: 6px 12px;
  border-radius: 4px;
  opacity: 0;
  animation: popIn 0.5s var(--ease) forwards;
  transition: transform 0.2s var(--ease), border-color 0.2s, color 0.2s;
}
.stack-word:hover {
  color: var(--accent);
  border-color: color-mix(in oklch, var(--fg), transparent 55%);
  transform: translateY(-2px);
}
@keyframes popIn {
  from { opacity: 0; transform: scale(0.85) translateY(4px); }
  to { opacity: 1; transform: none; }
}
.notes {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
}
.notes li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 10px;
  color: var(--fg-dim);
  font-size: 13px;
  line-height: 1.6;
  text-wrap: pretty;
  opacity: 0;
  animation: fadeSlide 0.5s var(--ease) forwards;
}
.notes li::before {
  content: "›";
  position: absolute;
  left: 0;
  color: var(--accent);
  font-family: var(--mono);
}

/* ─── Reasons (why_hire_me) ───────────────────────────────────────────── */
.reasons { display: flex; flex-direction: column; gap: 14px; }
.reason {
  display: flex;
  gap: 20px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}
.reason:first-child { border-top: 0; }
.reason-n {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-dimmer);
  letter-spacing: 0.08em;
  padding-top: 4px;
  min-width: 24px;
}
.reason-t {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--fg);
  letter-spacing: -0.01em;
  line-height: 1.2;
}
.reason-b {
  color: var(--fg-dim);
  font-size: 13px;
  margin-top: 6px;
  line-height: 1.6;
  text-wrap: pretty;
  max-width: 42ch;
}

/* ─── Languages ───────────────────────────────────────────────────────── */
.lgrid {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.lcard {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 20px;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  transition: transform 0.25s var(--ease), border-color 0.25s;
}
.lcard:hover {
  transform: translateX(4px);
  border-color: color-mix(in oklch, var(--fg), transparent 75%);
}
.lcard-script {
  font-family: var(--serif);
  font-size: 32px;
  color: var(--accent);
  line-height: 1;
  min-width: 44px;
  text-align: center;
}
.lcard-name {
  font-size: 15px;
  color: var(--fg);
  font-weight: 500;
}
.lcard-level {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--fg-dim);
  margin-top: 2px;
}

/* ─── Contact ─────────────────────────────────────────────────────────── */
.ccard {
  display: block;
  background: var(--bg);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  padding: 18px 22px;
  text-decoration: none;
  color: inherit;
  transition: transform 0.25s var(--ease), border-color 0.25s;
  position: relative;
  margin-bottom: 10px;
}
.ccard:hover {
  transform: translateY(-2px);
  border-color: color-mix(in oklch, var(--fg), transparent 55%);
}
.ccard.big {
  padding: 28px 26px;
  background: color-mix(in oklch, var(--fg) 4%, transparent);
  border-color: color-mix(in oklch, var(--fg), transparent 75%);
}
.ccard-label {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-dim);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}
.ccard.big .ccard-label { color: var(--accent); }
.ccard-value {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--fg);
  margin-top: 6px;
  word-break: break-all;
}
.ccard.big .ccard-value { font-size: 28px; }
.ccard-arrow {
  position: absolute;
  right: 22px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--accent);
  font-size: 22px;
  transition: transform 0.25s var(--ease);
}
.ccard.big:hover .ccard-arrow { transform: translate(4px, -50%); }
.cgrid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 14px;
}
.cgrid .ccard { padding: 14px 16px; margin: 0; }
.cgrid .ccard-value { font-family: var(--mono); font-size: 12px; }

/* Vertical list of contact rows — label left, value right, arrow edge */
.clist { display: flex; flex-direction: column; gap: 8px; margin-top: 14px; }
.clist-row {
  display: grid;
  grid-template-columns: 90px 1fr auto;
  align-items: center;
  gap: 16px;
  padding: 14px 18px;
  margin: 0;
}
.clist-row .ccard-label { margin: 0; }
.clist-row .ccard-value {
  font-family: var(--mono);
  font-size: 13px;
  margin: 0;
  word-break: normal;
  overflow-wrap: anywhere;
}
.ccard-arrow.small {
  position: static;
  transform: none;
  font-size: 16px;
  color: var(--fg-dimmer);
  transition: transform 0.25s var(--ease), color 0.2s;
}
.clist-row:hover .ccard-arrow.small { color: var(--accent); transform: translateX(3px); }

/* ─── Skills blocks ───────────────────────────────────────────────────── */
.sblock {
  padding: 16px 0;
  border-top: 1px solid var(--line-soft);
}
.sblock:first-of-type { border-top: 0; padding-top: 0; }
.sblock-title {
  font-family: var(--serif);
  font-size: 18px;
  color: var(--fg);
  margin-bottom: 10px;
}
.sblock-items {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
}
.sword {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dim);
  opacity: 0;
  animation: fadeSlide 0.4s var(--ease) forwards;
  transition: color 0.2s;
  cursor: default;
}
.sword:hover { color: var(--accent); }

/* ─── Education ───────────────────────────────────────────────────────── */
.ecard {
  padding: 14px 0;
  border-top: 1px solid var(--line-soft);
}
.ecard:first-of-type { border-top: 0; }
.ecard-degree {
  font-family: var(--serif);
  font-size: 16px;
  color: var(--fg);
  line-height: 1.3;
  text-wrap: pretty;
}
.ecard-row {
  display: flex;
  justify-content: space-between;
  margin-top: 4px;
  color: var(--fg-dim);
  font-size: 12px;
}
.ecard-row .dim { font-family: var(--mono); font-size: 11px; color: var(--fg-dimmer); }

/* ─── Ask claude ──────────────────────────────────────────────────────── */
.ask-q {
  font-family: var(--serif);
  font-size: 22px;
  color: var(--fg);
  line-height: 1.35;
  margin-bottom: 20px;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}
.ask-a {
  color: var(--fg-dim);
  font-size: 14px;
  line-height: 1.7;
  padding-left: 18px;
  border-left: 2px solid var(--accent);
  text-wrap: pretty;
  white-space: pre-wrap;
}
.loading-dots { display: inline-flex; gap: 5px; }
.loading-dots span {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--accent);
  animation: typing 1.2s infinite;
}
.loading-dots span:nth-child(2) { animation-delay: 0.15s; }
.loading-dots span:nth-child(3) { animation-delay: 0.3s; }

/* ─── Empty panel ─────────────────────────────────────────────────────── */
.empty-panel {
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  padding: 40px;
  text-align: center;
}
.orb-wrap {
  position: relative;
  width: 120px; height: 120px;
  margin-bottom: 12px;
}
.orb {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  background: radial-gradient(circle at 30% 30%, var(--accent), transparent 70%);
  filter: blur(10px);
  animation: orbFloat 6s ease-in-out infinite;
}
.orb-2 {
  inset: 10px;
  background: radial-gradient(circle at 70% 70%, var(--green), transparent 65%);
  opacity: 0.4;
  animation-delay: -2s;
  animation-duration: 8s;
}
.orb-3 {
  inset: 30px;
  background: var(--bg-elev);
  border: 1px solid color-mix(in oklch, var(--fg), transparent 75%);
  filter: none;
  animation: orbSpin 20s linear infinite;
}
@keyframes orbFloat {
  0%, 100% { transform: translateY(0) scale(1); }
  50% { transform: translateY(-8px) scale(1.05); }
}
@keyframes orbSpin {
  to { transform: rotate(360deg); }
}
.empty-title {
  font-family: var(--serif);
  font-size: 26px;
  color: var(--fg);
  letter-spacing: -0.02em;
}
.empty-hint {
  font-size: 13px;
  color: var(--fg-dim);
}
.empty-marquee {
  margin-top: 20px;
  width: 100%;
  max-width: 480px;
  overflow: hidden;
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
  -webkit-mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}
.marquee-track {
  display: inline-flex;
  flex-wrap: nowrap;
  gap: 24px;
  white-space: nowrap;
  width: max-content;
  animation: marquee 40s linear infinite;
}
.marquee-word {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-dimmer);
  flex-shrink: 0;
}
@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ─── Skeleton loader (modern shimmer) ────────────────────────────────── */
.skel-scene {
  max-width: 560px;
  animation: paneIn 0.35s var(--ease);
}
.skel-label {
  width: 120px;
  height: 10px;
  border-radius: 3px;
  margin-bottom: 22px;
  background: var(--skel-base);
}
.skel-line {
  border-radius: 4px;
  background: var(--skel-base);
  position: relative;
  overflow: hidden;
}
.skel-line, .skel-chip, .skel-chev, .skel-xnode, .skel-whynum, .skel-label {
  background-image: linear-gradient(
    90deg,
    transparent 0%,
    color-mix(in oklch, var(--fg) 7%, transparent) 50%,
    transparent 100%
  );
  background-size: 200% 100%;
  background-repeat: no-repeat;
  animation: skelShimmer 1.4s ease-in-out infinite;
  background-color: var(--skel-base);
}
@keyframes skelShimmer {
  0%   { background-position: -100% 0; }
  100% { background-position: 200% 0; }
}
/* pcard skeletons */
.skel-pgrid { display: flex; flex-direction: column; gap: 12px; }
.skel-pcard {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px;
  border: 1px solid color-mix(in oklch, var(--fg) 6%, transparent);
  border-radius: var(--radius);
  gap: 16px;
  opacity: 0;
  animation: skelRise 0.5s var(--ease) forwards;
}
.skel-pcard-l { flex: 1; min-width: 0; }
.skel-chev {
  width: 28px; height: 28px;
  border-radius: 50%;
  flex-shrink: 0;
}
/* experience skeletons */
.skel-xlist { display: flex; flex-direction: column; gap: 22px; padding-left: 4px; }
.skel-xrow {
  display: grid;
  grid-template-columns: 24px 1fr auto;
  gap: 14px;
  align-items: start;
  opacity: 0;
  animation: skelRise 0.5s var(--ease) forwards;
}
.skel-xrail { padding-top: 6px; }
.skel-xnode { width: 10px; height: 10px; border-radius: 50%; }
.skel-xbody { display: flex; flex-direction: column; }
/* chips */
.skel-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.skel-chip {
  height: 22px;
  border-radius: 4px;
  opacity: 0;
  animation: skelRise 0.4s var(--ease) forwards, skelShimmer 1.4s ease-in-out infinite;
}
.skel-skillgroup {
  padding: 16px 0;
  border-top: 1px solid color-mix(in oklch, var(--fg) 5%, transparent);
  opacity: 0;
  animation: skelRise 0.5s var(--ease) forwards;
}
.skel-skillgroup:first-of-type { border-top: 0; padding-top: 0; }
/* why hire me */
.skel-whyrow {
  display: flex;
  gap: 16px;
  padding: 16px 0;
  border-top: 1px solid color-mix(in oklch, var(--fg) 5%, transparent);
  opacity: 0;
  animation: skelRise 0.5s var(--ease) forwards;
}
.skel-whyrow:first-of-type { border-top: 0; }
.skel-whynum { width: 32px; height: 20px; border-radius: 3px; flex-shrink: 0; }
/* languages */
.skel-langrow {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
  border-top: 1px solid color-mix(in oklch, var(--fg) 5%, transparent);
  opacity: 0;
  animation: skelRise 0.5s var(--ease) forwards;
}
.skel-langrow:first-of-type { border-top: 0; }
/* contact */
.skel-contactrow {
  padding: 14px 18px;
  border: 1px solid color-mix(in oklch, var(--fg) 5%, transparent);
  border-radius: var(--radius);
  margin-bottom: 8px;
  opacity: 0;
  animation: skelRise 0.5s var(--ease) forwards;
}
/* education */
.skel-edublock {
  padding: 18px 20px;
  border: 1px solid color-mix(in oklch, var(--fg) 5%, transparent);
  border-radius: var(--radius);
  opacity: 0;
  animation: skelRise 0.5s var(--ease) forwards;
}
@keyframes skelRise {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: none; }
}

/* ─── Tweaks ──────────────────────────────────────────────────────────── */
.tweaks {
  position: fixed;
  right: 20px;
  bottom: 20px;
  width: 260px;
  background: var(--bg-elev2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  z-index: 50;
  box-shadow: 0 16px 40px rgba(0,0,0,0.5);
  font-family: var(--mono);
  font-size: 12px;
  animation: fadeSlide 0.3s var(--ease);
}
.tweaks-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--fg);
  font-weight: 500;
  margin-bottom: 14px;
}
.tweaks-head button {
  background: transparent;
  border: 0;
  color: var(--fg-dim);
  cursor: pointer;
  font-size: 18px;
}
.tweak-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.tweak-l { color: var(--fg-dim); min-width: 56px; font-size: 11px; }
.tweak-r { display: flex; gap: 6px; flex-wrap: wrap; }
.swatch {
  width: 22px; height: 22px;
  border-radius: 50%;
  border: 1px solid var(--line);
  cursor: pointer;
}
.swatch.on { outline: 2px solid var(--fg); outline-offset: 2px; }
.pill {
  background: transparent;
  color: var(--fg-dim);
  border: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 3px;
  cursor: pointer;
}
.pill.on { color: var(--accent); border-color: var(--accent); }

/* Density */
[data-density="compact"] .chat-head { padding: 20px 28px 14px; }
[data-density="compact"] .hero-greet { font-size: 44px; }
[data-density="compact"] .hero-tag { font-size: 17px; margin-top: 16px; }
[data-density="compact"] .hero-sub { margin-top: 12px; }
[data-density="compact"] .messages { padding: 8px 28px 14px; gap: 12px; }
[data-density="compact"] .composer-wrap { padding: 14px 28px 20px; }
[data-density="compact"] .panel-body { padding: 28px; }

/* ═══════════════════════════════════════════════════════════════════════
   RESPONSIVE — Tablet & Mobile
   ═══════════════════════════════════════════════════════════════════════ */

/* ── Tablet (≤960px): collapse side-by-side layout ─────────────────── */
@media (max-width: 960px) {
  .main { grid-template-columns: 1fr; grid-template-rows: 1fr; }
  .app.panel-open .main { grid-template-columns: 1fr; }
  .app.panel-open[data-hero="full"] .main { grid-template-columns: 1fr; }

  .top-c { display: none; }
  body { overflow: auto; }
  .app { height: auto; min-height: 100dvh; }

  /* When panel is open on tablet/mobile, slide it over the chat as a sheet */
  .app.panel-open .chat-col { display: none; }
}

/* ── Mobile (≤720px): compact chrome, readable type, sheet panel ─── */
@media (max-width: 720px) {
  html, body, #root { height: auto; min-height: 100dvh; }
  body { font-size: 15px; overflow-x: hidden; }

  .app {
    height: auto;
    min-height: 100dvh;
    grid-template-rows: auto 1fr;
  }

  /* Top bar: align horizontal padding with composer/messages (20px) */
  .top { padding: 14px 20px 12px; }
  .top::after { left: 20px; right: 20px; }
  .top-inner,
  .app:not(.panel-open) .top-inner {
    grid-template-columns: 1fr auto;
    max-width: none;
    gap: 12px;
  }
  .brand-name { font-size: 15px; }
  .top-r { gap: 14px; }
  .top-link { font-size: 12px; }

  /* Chat column: flow naturally, no rigid grid rows */
  .chat-col {
    grid-template-rows: auto 1fr auto;
    min-height: calc(100dvh - 60px);
  }
  .app:not(.panel-open) .chat-head,
  .app:not(.panel-open) .messages,
  .app:not(.panel-open) .composer-wrap {
    max-width: none;
    padding-left: 20px;
    padding-right: 20px;
  }

  /* Hero: much smaller type so it fits one phone viewport */
  .chat-head,
  .app:not(.panel-open) .chat-head {
    padding: 28px 20px 18px;
  }
  .hero-greet,
  .app:not(.panel-open) .hero-greet,
  .app:is(.empty, .hero-fading):not(.panel-open) .hero-greet {
    font-size: clamp(40px, 13vw, 56px);
  }
  .hero-tag {
    font-size: 16px;
    margin-top: 16px;
    max-width: 28ch;
  }

  /* Messages */
  .messages { padding: 12px 20px 16px; gap: 14px; }
  .msg.agent .msg-body { font-size: 15px; line-height: 1.6; }
  .msg.user .msg-body { font-size: 13px; }

  /* Composer: solid bg so chat history doesn't bleed through the
     suggestions area. A short fade zone sits above via ::before. */
  .composer-wrap {
    padding: 14px 20px calc(20px + env(safe-area-inset-bottom, 0px));
    position: sticky;
    bottom: 0;
    background: var(--bg);
    z-index: 5;
  }
  .composer-wrap::before {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    top: -20px;
    height: 20px;
    background: linear-gradient(to bottom, transparent, var(--bg));
    pointer-events: none;
  }

  /* Suggestions: 2-col grid aligned with composer, 5th item (contact)
     spans full width as a primary CTA. Predictable tap targets. */
  .suggestions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-bottom: 10px;
  }
  .sug {
    font-size: 12px;
    padding: 9px 10px;
    text-align: center;
  }
  .sug:last-child { grid-column: 1 / -1; }

  .composer { padding: 12px 14px; border-radius: 12px; }
  .composer-input { font-size: 16px; /* prevent iOS zoom */ }
  .composer-send { width: 30px; height: 30px; font-size: 15px; }

  /* Centered (empty) state: composer pushed up a bit, not locked to middle */
  .app:is(.empty, .hero-fading):not(.panel-open) .chat-col {
    grid-template-rows: 56px auto auto 1fr;
  }
  .app:is(.empty, .hero-fading):not(.panel-open) .chat-head {
    padding-top: 24px;
    padding-bottom: 20px;
  }

  /* ── Panel as full-screen sheet ───────────────────────────────── */
  .panel-col {
    position: fixed;
    inset: 0;
    z-index: 40;
    border-left: 0;
    border-top: 1px solid color-mix(in oklch, var(--fg) 10%, transparent);
    background: var(--bg);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    box-shadow: 0 -20px 60px rgba(0, 0, 0, 0.5);
    animation: panelSlideUp 0.45s var(--ease);
  }
  @keyframes panelSlideUp {
    from { opacity: 0; transform: translateY(24px); }
    to   { opacity: 1; transform: none; }
  }
  .panel-close {
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    font-size: 22px;
  }
  .panel-body {
    padding: 56px 20px calc(28px + env(safe-area-inset-bottom, 0px));
  }

  /* Panel content: reduce heavy type */
  .scene-label { margin-bottom: 16px; }
  .pcard-head { padding: 16px 18px; }
  .pcard-name { font-size: 19px; }
  .pcard-tag { font-size: 12px; }
  .pcard-body-inner { padding: 4px 18px 18px; }
  .pcard-summary { font-size: 13px; }
  .pcard-metrics {
    grid-template-columns: repeat(2, 1fr);
    gap: 2px;
  }
  .pcard-mini { padding: 8px 2px; padding-left: 12px; }
  .pcard-mini:nth-child(odd) { border-left: 0; padding-left: 2px; }
  .pcard-mini-v { font-size: 18px; }

  .xrow { grid-template-columns: 20px 1fr; gap: 12px; }
  .xrow-head { flex-direction: column; align-items: flex-start; gap: 4px; }
  .xrow-period { margin-top: 0; }
  .xrow-role { font-size: 16px; }
  .xrow-bullets li { font-size: 12.5px; }

  .stack-title { font-size: 28px; }
  .stack-sub { font-size: 13px; }

  .reason { flex-direction: column; gap: 6px; padding: 16px 0; }
  .reason-n { padding-top: 0; }
  .reason-t { font-size: 18px; }
  .reason-b { font-size: 13px; }

  .lcard { padding: 14px 16px; gap: 14px; }
  .lcard-script { font-size: 26px; min-width: 36px; }
  .lcard-name { font-size: 14px; }

  .ccard.big { padding: 22px 20px; }
  .ccard.big .ccard-value { font-size: 20px; }
  .ccard-arrow { right: 16px; font-size: 18px; }
  .clist-row {
    grid-template-columns: 70px 1fr auto;
    gap: 12px;
    padding: 12px 14px;
  }
  .clist-row .ccard-value { font-size: 12px; }

  .sblock-title { font-size: 16px; }
  .ecard-degree { font-size: 15px; }

  .ask-q { font-size: 18px; margin-bottom: 16px; }
  .ask-a { font-size: 13.5px; padding-left: 14px; }

  /* Tweaks panel: slim the width */
  .tweaks {
    right: 12px;
    left: 12px;
    bottom: 12px;
    width: auto;
  }

  /* Splash label smaller */
  #splash-label { font-size: 9px; bottom: 14%; }
}

/* ── Very small (≤380px): even tighter ────────────────────────────── */
@media (max-width: 380px) {
  .top { padding: 12px 16px 10px; }
  .top::after { left: 16px; right: 16px; }
  .top-r { gap: 10px; }
  .top-link { font-size: 11px; }
  .brand-name { font-size: 14px; }

  .hero-greet,
  .app:not(.panel-open) .hero-greet,
  .app:is(.empty, .hero-fading):not(.panel-open) .hero-greet {
    font-size: clamp(36px, 12vw, 44px);
  }
  .hero-tag { font-size: 15px; max-width: 24ch; }

  .messages { padding: 12px 16px 14px; }
  .chat-head, .app:not(.panel-open) .chat-head { padding: 20px 16px 14px; }
  .composer-wrap,
  .app:not(.panel-open) .composer-wrap {
    padding-left: 16px;
    padding-right: 16px;
    padding-bottom: calc(16px + env(safe-area-inset-bottom, 0px));
  }
  .app:not(.panel-open) .messages { padding-left: 16px; padding-right: 16px; }

  .panel-body { padding: 52px 16px calc(24px + env(safe-area-inset-bottom, 0px)); }
  .pcard-metrics { grid-template-columns: 1fr 1fr; }
}

/* ── Touch-only tweaks: skip hover transforms that feel broken on tap ─ */
@media (hover: none) {
  .pcard:hover { transform: none; }
  .sug:hover:not(:disabled) { transform: none; }
  .lcard:hover { transform: none; }
  .ccard:hover { transform: none; }
  .top-link:hover::after { transform: scaleX(0); }
}

/* ── Landscape phones: keep hero from taking the whole viewport ───── */
@media (max-height: 520px) and (orientation: landscape) {
  .hero-greet,
  .app:not(.panel-open) .hero-greet,
  .app:is(.empty, .hero-fading):not(.panel-open) .hero-greet {
    font-size: 40px;
  }
  .hero-tag { font-size: 15px; margin-top: 10px; }
  .chat-head, .app:not(.panel-open) .chat-head { padding: 16px 20px 10px; }
  .app:is(.empty, .hero-fading):not(.panel-open) .chat-col {
    grid-template-rows: auto auto auto 1fr;
  }
}