/* Landing page shell — matches index.html (used on chat sign-in). */

/* The shell consumes the app design tokens (css/index.css) — the --landing-*
   names are kept as thin aliases for the markup this file styles. */
html[data-auth-landing="true"] {
  --landing-bg: var(--bg-app);
  --landing-bg-soft: var(--bg-950);
  --landing-surface: var(--surface);
  --landing-surface-2: var(--surface-2);
  --landing-line: var(--line);
  --landing-line-2: var(--line-strong);
  --landing-text: var(--text);
  --landing-text-dim: var(--text-muted);
  --landing-accent: var(--accent);
  --landing-accent-bright: var(--link);
  --landing-nav-bg: color-mix(in srgb, var(--bg-app) 85%, transparent);
  --landing-body-grid: var(--grid-dot);
}

html[data-auth-landing="true"] body {
  color: var(--landing-text);
  background: var(--landing-bg);
  overflow: auto;
}

.clerk-sign-in-screen {
  --landing-maxw: 1080px;
  --landing-font: var(--font-main);

  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  background: var(--landing-bg);
  color: var(--landing-text);
  font-family: var(--landing-font);
  background-image: var(--landing-body-grid);
  background-position: -1px -1px;
}

.clerk-sign-in-screen[hidden] {
  display: none !important;
}

.landing-nav {
  position: sticky;
  top: 0;
  z-index: var(--z-nav);
  background: var(--landing-nav-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur-base) var(--ease-out);
}

.landing-nav.scrolled {
  border-bottom-color: var(--landing-line);
}

.landing-wrap {
  width: 100%;
  max-width: var(--landing-maxw);
  margin: 0 auto;
  padding: 0 24px;
}

.landing-brand {
  display: inline-flex;
  align-items: center;
  color: var(--landing-text);
}

.landing-nav-inner {
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.landing-nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: auto;
}

.landing-nav-links a {
  font-size: 14px;
  font-weight: 500;
  color: var(--landing-text-dim);
  padding: 8px 12px;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

.landing-nav-links a:hover {
  color: var(--landing-text);
}

.landing-nav-cta {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: 8px;
}

.landing-nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--landing-line-2);
  color: var(--landing-text);
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: var(--radius-pill);
  transition: background var(--dur-fast) var(--ease-out), border-color var(--dur-fast) var(--ease-out);
}

.landing-nav-toggle:hover {
  background: var(--hover-fill);
}

.landing-nav-toggle:active {
  background: var(--hover-fill-strong);
}

.landing-mobile-menu {
  display: none;
  border-bottom: 1px solid var(--landing-line);
  background: var(--landing-bg);
  padding: 8px 0 16px;
}

.landing-mobile-menu.open {
  display: block;
}

.landing-mobile-menu a {
  display: block;
  padding: 12px 24px;
  font-size: 15px;
  color: var(--landing-text-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--landing-line);
  transition: color var(--dur-fast) var(--ease-out), background var(--dur-fast) var(--ease-out);
}

.landing-mobile-menu a:hover {
  color: var(--landing-text);
  background: var(--hover-fill);
}

.landing-mobile-menu a:active {
  background: var(--hover-fill-strong);
}

.clerk-sign-in-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 48px 24px 64px;
}

.clerk-sign-in-shell {
  width: min(420px, 100%);
}

.clerk-sign-in-intro {
  text-align: center;
  margin-bottom: 24px;
}

.clerk-sign-in-intro h1 {
  font-size: clamp(1.35rem, 3vw, 1.75rem);
  font-weight: 400;
  line-height: 1.25;
  margin: 0 0 10px;
  color: var(--landing-text);
}

.clerk-sign-in-intro p {
  margin: 0;
  font-size: 14px;
  color: var(--landing-text-dim);
  line-height: 1.5;
}

#clerk-sign-in {
  min-height: 360px;
  color-scheme: dark;
}

.clerk-sign-in-legal {
  margin: 14px 0 0;
  font-size: 12px;
  line-height: 1.5;
  color: var(--landing-text-dim);
  text-align: center;
}

.clerk-sign-in-legal a {
  color: var(--landing-text);
  text-decoration: none;
  transition: opacity var(--dur-fast) var(--ease-out);
}
.clerk-sign-in-legal a:hover { opacity: 0.75; }

html[data-theme="light"] #clerk-sign-in {
  color-scheme: light;
}

/* ── Signed-out marketing pitch (forces sign-up to chat) ─────────────────── */
/* One-ink hierarchy: every text level is the theme's ink at a fixed alpha.
   Hover means "step to full ink", never a new color. */
.clerk-sign-in-screen {
  --ink-80: rgba(var(--on-rgb), 0.8);
  --ink-70: rgba(var(--on-rgb), 0.7);
  --ink-50: rgba(var(--on-rgb), 0.5);
  --ink-40: rgba(var(--on-rgb), 0.4);
  --ink-30: rgba(var(--on-rgb), 0.3);
  --hairline: rgba(var(--on-rgb), 0.06);
  --hairline-hover: rgba(var(--on-rgb), 0.16);
}
/* Dark ink over near-white needs hotter alphas than white over near-black. */
html[data-theme="light"] .clerk-sign-in-screen {
  --ink-80: rgba(var(--on-rgb), 0.85);
  --ink-70: rgba(var(--on-rgb), 0.75);
  --ink-50: rgba(var(--on-rgb), 0.62);
  --ink-40: rgba(var(--on-rgb), 0.55);
  --ink-30: rgba(var(--on-rgb), 0.45);
  --hairline: rgba(var(--on-rgb), 0.1);
  --hairline-hover: rgba(var(--on-rgb), 0.22);
}

.clerk-sign-in-main.auth-pitch {
  align-items: flex-start;
  padding: 56px 24px 96px;
}
.auth-pitch-grid {
  width: min(1080px, 100%);
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.12fr 0.88fr;
  gap: 56px;
  align-items: start;
}
.auth-pitch-copy { min-width: 0; }

/* Announcement pill: one quiet ghost capsule above the H1. */
.auth-announce {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 14px 5px 6px;
  border: 1px solid var(--hairline-hover);
  border-radius: 999px;
  margin-bottom: 22px;
  font-size: 13px;
  letter-spacing: -0.01em;
  color: var(--ink-70);
  text-decoration: none;
  transition: border-color var(--dur-base) var(--ease-out), color var(--dur-base) var(--ease-out);
}
.auth-announce:hover {
  border-color: rgba(var(--on-rgb), 0.32);
  color: var(--landing-text);
}
.auth-announce-chip {
  font-family: var(--font-mono, monospace);
  font-size: 10px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 3px 9px;
  border: 1px solid rgba(var(--on-rgb), 0.45);
  border-radius: 999px;
  color: var(--landing-text);
}
.auth-announce-text { color: inherit; }
.auth-announce-arrow { color: var(--ink-40); }

.auth-pitch-eyebrow {
  display: inline-block;
  font-family: var(--font-mono, monospace);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ink-40);
  margin-bottom: 14px;
}
/* Lab headline: medium weight, tight leading. Never bold. */
.auth-pitch-title {
  font-size: clamp(2.25rem, 5vw, 3.6rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--landing-text);
  text-wrap: balance;
}
.auth-pitch-lede {
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink-50);
  max-width: 30em;
  margin: 0 0 28px;
}

/* Feature lattice: titles and text only. No icons, no cards. */
.auth-lattice {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 32px;
  margin: 0 0 34px;
}
.auth-lattice dt {
  font-size: 14px;
  font-weight: 500;
  color: var(--ink-80);
  margin-bottom: 3px;
}
.auth-lattice dd {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-40);
  margin: 0;
}

.auth-pitch-signup { position: sticky; top: 88px; }
.auth-signup-card {
  border: 1px solid var(--hairline-hover);
  border-radius: 16px;
  padding: 24px 22px 20px;
  background: var(--surface-2, var(--panel));
}
.auth-signup-card .clerk-sign-in-intro { margin-bottom: 16px; text-align: left; }
.auth-signup-card .clerk-sign-in-intro h2 {
  font-size: 1.4rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  color: var(--landing-text);
}
.auth-signup-card .clerk-sign-in-intro p { color: var(--ink-50); margin: 0; font-size: 14px; }
.auth-signup-card .clerk-sign-in-legal { text-align: left; }

@media (max-width: 900px) {
  .auth-pitch-grid { grid-template-columns: 1fr; gap: 30px; }
  .auth-pitch-signup { position: static; order: -1; } /* form first on mobile */
  .clerk-sign-in-main.auth-pitch { padding: 24px 18px 64px; }
}
@media (max-width: 520px) {
  .auth-lattice { grid-template-columns: 1fr; }
}

/* ── Measured results (published numbers only) ───────────────────────────── */
.auth-bench {
  border-top: 1px solid var(--hairline);
  padding: 72px 24px 88px;
}
.auth-bench-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
}
.auth-bench-title {
  font-size: clamp(1.6rem, 3vw, 2.25rem);
  font-weight: 500;
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
  color: var(--landing-text);
}
.auth-bench-lede {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-50);
  max-width: 36em;
  margin: 0 0 40px;
}
.auth-bench-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
  border-top: 1px solid var(--hairline);
}
.auth-bench-stat {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 24px 24px 24px 0;
  border-right: 1px solid var(--hairline);
  margin-right: 24px;
}
.auth-bench-stat:last-child { border-right: none; margin-right: 0; }
.auth-bench-stat-delta {
  font-family: var(--font-mono, monospace);
  font-size: 30px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--ink-80);
}
.auth-bench-stat-delta small { font-size: 14px; color: var(--ink-40); }
.auth-bench-stat-label {
  font-size: 12.5px;
  line-height: 1.55;
  color: var(--ink-40);
}
.auth-bench-stat-link {
  margin-top: auto;
  font-size: 12.5px;
  color: var(--ink-50);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-out);
}
.auth-bench-stat-link:hover { color: var(--landing-text); }
.auth-bench-note {
  font-size: 12px;
  line-height: 1.55;
  color: var(--ink-30);
  max-width: 52em;
  margin: 28px 0 0;
}
.auth-bench-note a { color: var(--ink-50); text-decoration: none; }
.auth-bench-note a:hover { color: var(--landing-text); }

@media (max-width: 900px) {
  .auth-bench { padding: 48px 18px 64px; }
  .auth-bench-stats { grid-template-columns: 1fr 1fr; }
  .auth-bench-stat { border-right: none; margin-right: 0; padding: 20px 0; border-bottom: 1px solid var(--hairline); }
  .auth-bench-stat:nth-last-child(-n+2) { border-bottom: none; }
}
@media (max-width: 520px) {
  .auth-bench-stats { grid-template-columns: 1fr; }
  .auth-bench-stat:nth-last-child(2) { border-bottom: 1px solid var(--hairline); }
}

/* ── Wall footer: quiet link row ─────────────────────────────────────────── */
.auth-foot {
  border-top: 1px solid var(--hairline);
  padding: 26px 24px;
  margin-top: auto;
}
.auth-foot-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}
.auth-foot-copy { font-size: 12.5px; color: var(--ink-30); }
.auth-foot-nav { display: flex; gap: 22px; }
.auth-foot-nav a {
  font-size: 12.5px;
  color: var(--ink-50);
  text-decoration: none;
  transition: color var(--dur-base) var(--ease-out);
}
.auth-foot-nav a:hover { color: var(--landing-text); }

/* Clerk fallback if appearance API misses a node */
.clerk-sign-in-screen #clerk-sign-in .cl-formFieldLabel,
.clerk-sign-in-screen #clerk-sign-in .cl-socialButtonsBlockButtonText,
.clerk-sign-in-screen #clerk-sign-in .cl-footerActionText,
.clerk-sign-in-screen #clerk-sign-in .cl-footerActionLink,
.clerk-sign-in-screen #clerk-sign-in .cl-dividerText,
.clerk-sign-in-screen #clerk-sign-in .cl-headerTitle,
.clerk-sign-in-screen #clerk-sign-in .cl-headerSubtitle,
.clerk-sign-in-screen #clerk-sign-in .cl-identityPreviewText,
.clerk-sign-in-screen #clerk-sign-in label,
.clerk-sign-in-screen #clerk-sign-in button.cl-socialButtonsBlockButton {
  color: var(--landing-text);
}

.clerk-sign-in-screen #clerk-sign-in button.cl-socialButtonsBlockButton {
  background-color: var(--landing-surface-2);
  border-color: var(--landing-line-2);
  transition: background-color var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}

.clerk-sign-in-screen #clerk-sign-in button.cl-socialButtonsBlockButton:hover {
  background-color: var(--landing-surface);
  border-color: var(--landing-line-2);
}

.clerk-sign-in-screen #clerk-sign-in .cl-formFieldInput,
.clerk-sign-in-screen #clerk-sign-in .cl-formFieldInput__input,
.clerk-sign-in-screen #clerk-sign-in input {
  background-color: var(--landing-surface-2);
  border-color: var(--landing-line-2);
}

.clerk-sign-in-screen #clerk-sign-in .cl-footerActionText,
.clerk-sign-in-screen #clerk-sign-in .cl-dividerText,
.clerk-sign-in-screen #clerk-sign-in .cl-headerSubtitle {
  color: var(--landing-text-dim);
}

.clerk-sign-in-screen #clerk-sign-in .cl-card {
  background: var(--landing-surface);
  border: 1px solid var(--landing-line);
  box-shadow: none;
}

@media (max-width: 768px) {
  .landing-nav-links {
    display: none;
  }

  .landing-nav-toggle {
    display: flex;
  }

}

/* ── Pricing cards (Free / Pro) ──────────────────────────────────────────── */
.auth-pricing {
  border-top: 1px solid var(--hairline);
  padding: 72px 24px 8px;
}
.auth-pricing-inner {
  width: min(1080px, 100%);
  margin: 0 auto;
}
.auth-pricing .auth-bench-title { margin-bottom: 32px; }
.auth-pricing-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}
.auth-price-card {
  border: 1px solid var(--hairline-hover);
  border-radius: 14px;
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  background: transparent;
  transition: border-color var(--dur-base) var(--ease-out);
}
.auth-price-card:hover { border-color: rgba(var(--on-rgb), 0.3); }
.auth-price-card-pro { border-color: rgba(var(--on-rgb), 0.35); }
.auth-price-name {
  font-size: 20px;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
  color: var(--landing-text);
}
.auth-price-desc {
  font-size: 13px;
  line-height: 1.55;
  color: var(--ink-50);
  margin: 0 0 20px;
  min-height: 2.6em;
}
.auth-price-amount {
  font-size: 32px;
  font-weight: 500;
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.02em;
  color: var(--landing-text);
  margin-bottom: 4px;
}
.auth-price-amount small { font-size: 15px; font-weight: 500; color: var(--ink-40); }
.auth-price-meter {
  font-family: var(--font-mono, monospace);
  font-size: 12px;
  color: var(--ink-50);
  padding-bottom: 18px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--hairline);
}
.auth-price-cta {
  display: block;
  text-align: center;
  font-size: 14px;
  font-weight: 500;
  padding: 11px 18px;
  border: 1px solid var(--hairline-hover);
  border-radius: 10px;
  color: var(--landing-text);
  text-decoration: none;
  margin-bottom: 20px;
  transition: border-color var(--dur-base) var(--ease-out), opacity var(--dur-fast) var(--ease-out);
}
.auth-price-cta:hover { border-color: rgba(var(--on-rgb), 0.4); }
.auth-price-cta-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--on-accent, #0A0A0C);
}
.auth-price-cta-primary:hover { opacity: 0.85; border-color: var(--accent); }
.auth-price-hl {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--ink-40);
  margin: 0 0 10px;
}
.auth-price-feats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}
.auth-price-feats li {
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-70);
  padding-left: 20px;
  position: relative;
}
.auth-price-feats li::before {
  content: "\2713";
  position: absolute;
  left: 0;
  color: var(--ink-50);
  font-size: 12px;
}
@media (max-width: 900px) {
  .auth-pricing-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 560px) {
  .auth-pricing { padding: 48px 18px 8px; }
  .auth-pricing-grid { grid-template-columns: 1fr; }
  .auth-price-desc { min-height: 0; }
}

/* index.css sets a global `a:hover { text-decoration: underline }` for the
   app. The wall differentiates links by ink level, never decoration. */
.clerk-sign-in-screen a:hover {
  text-decoration: none;
}