/* normnom — Modernist design system tokens + playground styles.
   Light tokens on :root; .nn-dark swaps the ramp (design default is dark). */
:root {
  --color-bg: #f3f2f2;
  --color-surface: #eae9e9;
  --color-text: #201e1d;
  --color-accent: #ec3013;
  --color-divider: color-mix(in srgb, #201e1d 40%, transparent);

  --color-neutral-100: #f8f4f4; --color-neutral-200: #eae7e7; --color-neutral-300: #d7d3d3;
  --color-neutral-400: #bab6b6; --color-neutral-500: #9b9797; --color-neutral-600: #7d7979;
  --color-neutral-700: #605d5d; --color-neutral-800: #444141; --color-neutral-900: #2d2b2b;

  --color-accent-100: #fff2ef; --color-accent-200: #ffe0d9; --color-accent-300: #ffc4b8;
  --color-accent-400: #ff9783; --color-accent-500: #ff563c; --color-accent-600: #dd2b0f;
  --color-accent-700: #ae1800; --color-accent-800: #7c1405; --color-accent-900: #4d170e;

  --font-heading: "Archivo", system-ui, sans-serif;
  --font-body: "Archivo", "Noto Sans Devanagari", system-ui, sans-serif;
  --font-mono: ui-monospace, Menlo, Consolas, monospace;
}
.nn-dark {
  color-scheme: dark;
  --color-bg: #171514; --color-surface: #201e1d; --color-text: #f3f2f2;
  --color-divider: #3a3734;
  --color-neutral-100: #211f1e; --color-neutral-200: #2b2927; --color-neutral-300: #383533;
  --color-neutral-400: #4a4644; --color-neutral-500: #8a8683; --color-neutral-600: #a5a19d;
  --color-neutral-700: #c0bcb8; --color-neutral-800: #d9d6d3; --color-neutral-900: #eeecea;
  --color-accent-100: #3a120b; --color-accent-200: #521609; --color-accent-300: #7c1e0c;
  --color-accent-400: #f4674f; --color-accent-600: #ff6a50; --color-accent-700: #ff8f78;
  --color-accent-800: #ffb5a5; --color-accent-900: #ffd9d2;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; font-family: var(--font-body); font-size: 15px; line-height: 1.55; }
h1 { font-family: var(--font-heading); font-weight: 800; line-height: 1.12; letter-spacing: -0.02em; margin: 0; }
a { color: var(--color-accent); text-underline-offset: 3px; }
a:hover { color: var(--color-accent-600); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }
::placeholder { color: var(--color-neutral-500); }
.text-muted { color: color-mix(in srgb, var(--color-text) 72%, transparent); } /* 55% failed AA in light theme */
.hidden { display: none !important; }

@keyframes nnup { from { opacity: 0; transform: translateY(14px); } to { opacity: 1; transform: none; } }
@keyframes nncaret { 0%, 45% { opacity: 1; } 50%, 100% { opacity: 0; } }
@keyframes nnpulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.25; } }

.page {
  height: 100vh; height: 100dvh; /* dvh: composer must clear mobile browser chrome */
  display: flex; flex-direction: column; overflow: hidden;
  background-color: var(--color-bg); color: var(--color-text);
  background-image:
    linear-gradient(to right, color-mix(in srgb, var(--color-text) 4.5%, transparent) 1px, transparent 1px),
    linear-gradient(to bottom, color-mix(in srgb, var(--color-text) 4.5%, transparent) 1px, transparent 1px);
  background-size: 56px 56px;
}

/* — nav — */
.nav {
  display: flex; align-items: center; gap: 16px; flex: none;
  border-bottom: 2px solid var(--color-divider); padding: 16px 32px;
  background: var(--color-bg);
}
.nav-brand {
  display: flex; align-items: center; gap: 10px; text-decoration: none; color: inherit;
  font-family: var(--font-heading); font-weight: 800; font-size: 18px;
}
.nav-brand svg { flex: none; }
.nav-tag {
  margin-left: auto; font-family: var(--font-mono); font-size: 11.5px;
  letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-neutral-700);
}
.theme-btn {
  background: transparent; border: 1px solid var(--color-divider); color: inherit;
  width: 34px; height: 34px; display: inline-flex; align-items: center;
  justify-content: center; cursor: pointer; transition: border-color 0.15s; padding: 0;
}
.theme-btn:hover { border-color: var(--color-accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none; font-family: var(--font-heading);
  font-weight: 800; font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent; padding: 8px 14px; border-radius: 0;
}
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover { background: var(--color-accent-600); }
.btn-ghost { color: var(--color-accent); padding-inline: 4px; }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }

/* — empty state — */
/* margin-block auto = safe centering: content taller than viewport scrolls from top */
.empty-wrap { flex: 1; display: flex; flex-direction: column; overflow-y: auto; }
.empty-inner { width: min(780px, calc(100% - 64px)); margin: auto; padding: 32px 0; }
.hero-row { display: flex; align-items: center; gap: 14px; }
.hero-row svg { flex: none; }
.hero-row h1 { font-size: clamp(34px, 4.5vw, 52px); }
.hero-sub { font-size: 16px; margin: 14px 0 36px; }
.soon-tag {
  display: inline-block; margin-top: 10px; font-family: var(--font-mono);
  font-size: 11.5px; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-accent); border: 1px solid var(--color-divider); padding: 4px 10px;
}

/* — waitlist — */
.waitlist { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: 20px; }
.waitlist-slim { margin-top: 12px; justify-content: center; }
.waitlist-label {
  font-family: var(--font-mono); font-size: 11.5px; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--color-neutral-700);
}
.waitlist-email {
  flex: 1; min-width: 180px; max-width: 280px; min-height: 38px; padding: 6px 12px;
  font: inherit; font-size: 14px; color: inherit; caret-color: var(--color-accent);
  background: var(--color-surface); border: 1px solid var(--color-divider); border-radius: 0;
  transition: border-color 0.15s;
}
.waitlist-email:focus-visible { border-color: var(--color-accent); outline: none; }
.waitlist-email.bad { border-color: var(--color-accent); animation: nnpulse 0.4s 2; }
.waitlist-done {
  font-family: var(--font-mono); font-size: 12.5px; color: var(--color-accent-700);
  border: 1px solid var(--color-divider); padding: 8px 14px;
}
@media (pointer: coarse) { .waitlist-email { font-size: 16px; } }

/* — compose card (hero + composer share it) — */
.compose-card {
  border: 2px solid var(--color-divider); background: var(--color-surface);
  transition: border-color 0.15s;
}
.compose-card:focus-within { border-color: var(--color-accent); }
.compose-ta {
  width: 100%; font-family: var(--font-body); font-size: 17px; line-height: 1.6;
  border: 0; background: transparent; padding: 18px 20px 8px; resize: none; color: inherit;
}
.composer-wrap .compose-ta { font-size: 16px; padding: 14px 18px 6px; }
.toolbar { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; padding: 10px 12px 12px 20px; }
.bare-select {
  border: 0; background: transparent; font-family: var(--font-mono); font-size: 12.5px;
  padding: 4px 0; width: auto; color: inherit; cursor: pointer;
}
.bare-select option, .bare-select optgroup { background: var(--color-surface); color: var(--color-text); }
.seg { display: inline-flex; overflow: hidden; border: 1px solid var(--color-divider); }
.seg-opt { display: inline-flex; align-items: center; gap: 6px; padding: 7px 12px; font-size: 13px; cursor: pointer; }
.seg-opt input { position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none; }
.seg-opt + .seg-opt { border-left: 1px solid var(--color-divider); }
.seg-opt:has(input:checked) { background: var(--color-accent); color: var(--color-bg); }
.seg-opt:not(:has(input:checked)):hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.seg-opt:has(input:focus-visible) { outline: 2px solid var(--color-accent); outline-offset: -2px; }
.send-btn {
  margin-left: auto; width: 38px; height: 38px; flex: none; display: inline-flex;
  align-items: center; justify-content: center; border: 0; cursor: pointer;
  background: var(--color-accent); color: var(--color-bg);
}
.send-btn:disabled { background: var(--color-neutral-300); color: var(--color-neutral-600); cursor: default; }

/* — thread — */
.thread { flex: 1; overflow-y: auto; min-height: 0; }
.thread-inner {
  width: min(780px, calc(100% - 64px)); margin: 0 auto; padding: 32px 0 16px;
  display: flex; flex-direction: column; gap: 36px;
}
.entry { animation: nnup 0.4s both; }
.bubble-row { display: flex; justify-content: flex-end; }
.bubble {
  max-width: 78%; background: var(--color-surface); border: 1px solid var(--color-divider);
  padding: 12px 16px; font-size: 15px; line-height: 1.6; white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.reply { margin-top: 22px; display: flex; gap: 14px; }
.reply > svg { flex: none; margin-top: 5px; }
.reply-body { min-width: 0; flex: 1; }
.stage-line { font-family: var(--font-mono); font-size: 12.5px; color: var(--color-accent); animation: nnpulse 0.7s infinite; }
.cold-note { font-family: var(--font-mono); font-size: 11.5px; color: var(--color-neutral-700); margin-top: 6px; }
.out-text { font-size: 23px; line-height: 1.65; font-weight: 600; overflow-wrap: break-word; }
.caret { color: var(--color-accent); animation: nncaret 0.7s infinite; }
.err-text { font-size: 15px; color: var(--color-accent-600); font-family: var(--font-mono); }

.sp-sem { background: var(--color-accent-200); color: var(--color-accent-900); padding: 1px 3px; }
.sp-xlit { text-decoration: underline; text-decoration-color: var(--color-accent-500); text-decoration-thickness: 2px; text-underline-offset: 5px; }
.sp-guard { text-decoration: underline dotted; text-decoration-color: var(--color-accent-600); text-decoration-thickness: 2px; text-underline-offset: 5px; color: var(--color-neutral-700); }
.sp-haz { background: var(--color-accent-100); box-shadow: inset 0 -2px var(--color-accent); }
.sp-latin { text-decoration: underline; text-decoration-color: var(--color-neutral-500); text-decoration-thickness: 2px; text-underline-offset: 3px; }

.result-meta { animation: nnup 0.35s both; }
.rows { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-top: 16px; }
.row-item { font-family: var(--font-mono); font-size: 12.5px; color: var(--color-neutral-700); overflow-wrap: anywhere; }
.row-item .arr { color: var(--color-accent); }
.row-item .val { font-family: var(--font-body); color: var(--color-text); }
.action-row { display: flex; align-items: center; gap: 12px; margin-top: 14px; flex-wrap: wrap; }
.play-btn {
  font-family: var(--font-mono); font-size: 12px; border: 1px solid var(--color-divider);
  background: transparent; color: var(--color-accent-700); padding: 5px 12px; cursor: pointer;
  transition: border-color 0.15s;
}
.play-btn:hover { border-color: var(--color-accent); }
.play-btn.playing { border-color: var(--color-accent); background: var(--color-accent); color: var(--color-bg); }
.metrics { font-family: var(--font-mono); font-size: 12px; }
.note { font-size: 13px; margin-top: 6px; }

/* — composer — */
.composer-wrap { flex: none; }
.composer-inner { width: min(780px, calc(100% - 64px)); margin: 0 auto; padding: 8px 0 20px; }
.foot-note { font-family: var(--font-mono); font-size: 11px; margin-top: 10px; text-align: center; }

@media (max-width: 640px) {
  .nav { padding: 12px 16px; gap: 10px; flex-wrap: wrap; }
  .nav-brand { margin-right: auto; } /* nav-tag (the auto-margin holder) is hidden here */
  .nav-tag { display: none; }
  .empty-inner, .thread-inner, .composer-inner { width: calc(100% - 32px); }
  .out-text { font-size: 19px; }
}
@media (pointer: coarse) {
  .bare-select { font-size: 16px; } /* <16px focus triggers iOS Safari auto-zoom */
}