/*
 * Feedstream's shared design system: tokens + a small set of reusable
 * components. Every page pulls colors/spacing/radius from these custom
 * properties instead of hardcoding values, so a palette change happens in
 * one place. Extracted from the landing page (app/views/home/landing.html.erb).
 */

@layer reset, base, components, utilities;

@layer reset {
  *, *::before, *::after { box-sizing: border-box; }
  body { margin: 0; }
  ul, ol { margin: 0; padding: 0; list-style: none; }
}

@layer base {
  :root {
    --color-accent: #2093df;
    --color-accent-dark: #0f6398;
    --color-accent-pale: #eaf6ff;
    --color-accent-mid: #93d4ff;
    --color-ink: #292b31;
    --color-muted: #595d6c;
    --color-faint: #75798c;
    --color-border: #cfd3e5;
    --color-border-light: #e4e7f5;
    --color-surface: #f7f9fc;
    --color-danger: #ae1800;
    --color-danger-bg: #ffe0d9;
    --radius: 8px;
    --font-sans: "Inter", system-ui, sans-serif;
    --font-display: "Afacad", "Inter", system-ui, sans-serif;
    --max-width: 1180px;
  }

  body {
    background: #ffffff;
    color: var(--color-ink);
    font-family: var(--font-sans);
    font-size: 15px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
  }

  h1, h2, h3 { font-weight: 500; letter-spacing: -0.02em; margin: 0 0 0.5em; }
  h2 { margin-top: 2em; }

  a { color: var(--color-accent-dark); text-decoration: none; text-underline-offset: 3px; }
  a:hover { color: var(--color-ink); text-decoration: underline; }

  ::selection { background: var(--color-accent-mid); }

  :focus { outline: none; }
  :focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }

  input, textarea, select { font-family: inherit; font-size: 15px; color: var(--color-ink); }
  input::placeholder, textarea::placeholder { color: #9397ab; }
}

@layer components {
  .wrap { max-width: var(--max-width); margin: 0 auto; padding: 0 28px; box-sizing: border-box; }
  .page { max-width: var(--max-width); margin: 0 auto; padding: 40px 28px 80px; }
  .page-narrow { max-width: 420px; }

  .rule { height: 1px; border: 0; margin: 0; background: linear-gradient(90deg, transparent 0, var(--color-border) 48px, var(--color-border) calc(100% - 48px), transparent 100%); }

  .btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    border: 1px solid var(--color-accent); border-radius: var(--radius);
    background: transparent; color: var(--color-accent-dark);
    font-family: inherit; font-weight: 500; font-size: 15px;
    padding: 12px 20px; cursor: pointer;
  }
  .btn:hover { background: var(--color-accent-pale); text-decoration: none; color: var(--color-accent-dark); }
  .btn:active { background: var(--color-accent-mid); }
  .btn:disabled { opacity: .5; cursor: not-allowed; }

  .btn-quiet { border-color: var(--color-border); color: #3f424d; }
  .btn-quiet:hover { background: var(--color-border-light); color: #3f424d; }

  .btn-danger { border-color: var(--color-danger); color: var(--color-danger); }
  .btn-danger:hover { background: var(--color-danger-bg); color: var(--color-danger); }

  .btn-small { padding: 7px 12px; font-size: 13px; }

  .card {
    border: 1px solid var(--color-border-light); border-radius: var(--radius);
    background: var(--color-surface); padding: 22px;
  }

  .field {
    width: 100%; box-sizing: border-box;
    border: 1px solid var(--color-border); border-radius: var(--radius);
    background: var(--color-surface); padding: 13px 15px;
    font-family: inherit; font-size: 15px; color: var(--color-ink);
  }

  .field-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
  .field-stack { display: flex; flex-direction: column; gap: 12px; max-width: 360px; }

  .errors {
    margin: 0 0 16px; padding: 12px 16px;
    border: 1px solid var(--color-danger-bg); border-radius: var(--radius);
    background: var(--color-danger-bg); color: var(--color-danger);
    font-size: 14px;
  }
  .errors li + li { margin-top: 4px; }

  .flash { padding: 12px 16px; border-radius: var(--radius); margin-bottom: 16px; font-size: 14px; }
  .flash-notice { background: var(--color-accent-pale); color: var(--color-accent-dark); }
  .flash-alert { background: var(--color-danger-bg); color: var(--color-danger); }

  .badge { display: inline-flex; align-items: center; padding: 3px 8px; border-radius: var(--radius); font-size: 12px; background: var(--color-border-light); color: var(--color-muted); }
  .badge-accent { background: var(--color-accent-pale); color: var(--color-accent-dark); }

  .list-row { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; border-bottom: 1px solid var(--color-border-light); }
  .list-row:last-child { border-bottom: 0; }

  .code-block {
    display: block; width: 100%; box-sizing: border-box;
    border: 1px solid var(--color-border); border-radius: var(--radius);
    background: var(--color-ink); color: #f7f9fc;
    padding: 14px 16px; overflow-x: auto;
    font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px;
  }

  .site-header { display: flex; align-items: center; justify-content: space-between; gap: 22px; padding: 22px 0; flex-wrap: wrap; }
  .brand { display: flex; align-items: center; gap: 9px; color: var(--color-ink); }
  .brand-name { font-family: var(--font-display); font-weight: 600; line-height: 1; letter-spacing: -0.005em; font-size: 15px; }
  .brand-name-lg { font-size: 24px; }
  .nav-link { font-size: 14px; color: var(--color-muted); }

  .eyebrow { font-size: 13px; color: var(--color-accent); }
  .step-number { font-size: 13px; color: var(--color-muted); }

  .section { padding: 72px 0; }
  .section-lg { padding: 84px 0; }

  .grid { display: grid; gap: 22px; }
  .grid-2 { grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
  .grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 34px; }

  .pill { display: inline-flex; align-items: center; padding: 8px 14px; border: 1px solid var(--color-border); border-radius: var(--radius); font-size: 14px; }
  .pill-accent { border-color: var(--color-accent); color: var(--color-accent-dark); background: var(--color-accent-pale); }
  .arrow { color: #b2b6ca; }

  .site-footer { display: flex; justify-content: space-between; gap: 18px; flex-wrap: wrap; padding: 26px 0 80px; font-size: 13px; color: var(--color-muted); border-top: 1px solid var(--color-border-light); }

  /* Display heading scale for marketing sections -- sizes are content-fit
     (largest for the hero, down to the compact "one loop" heading), not
     meant for prose h1/h2/h3 elsewhere, which use the base sizes above. */
  .heading-hero { font-size: clamp(42px, 6.4vw, 78px); line-height: 1.04; }
  .heading-lg { font-size: clamp(30px, 4.2vw, 52px); line-height: 1.06; }
  .heading-md { font-size: clamp(28px, 3.4vw, 42px); line-height: 1.1; }
  .heading-sm { font-size: clamp(26px, 3vw, 36px); line-height: 1.12; }

  .field-grow { flex: 1 1 260px; }
  .field-auto { width: auto; }

  .lede { font-size: 20px; line-height: 1.55; color: var(--color-ink); }
  .lede-sm { font-size: 17px; }
  .text-sm { font-size: 14px; }

  .btn-lg { padding: 14px 24px; font-size: 16px; }
  .heading-xs { font-size: 19px; font-weight: 500; letter-spacing: -0.02em; margin: 0 0 0.5em; }

  .app-shell { display: grid; grid-template-columns: minmax(0, 210px) minmax(0, 1fr); align-items: stretch; min-height: 100vh; }
  .sidebar { display: flex; flex-direction: column; gap: 22px; border-right: 1px solid var(--color-border-light); background: var(--color-surface); padding: 18px 16px; }
  .sidebar-account { display: flex; align-items: center; justify-content: space-between; gap: 8px; padding: 0 2px; }
  .sidebar-account-name { font-weight: 500; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
  .sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
  .sidebar-link { display: block; padding: 8px 10px; border-radius: var(--radius); color: var(--color-muted); font-size: 14px; }
  .sidebar-link:hover { background: var(--color-border-light); color: var(--color-ink); text-decoration: none; }
  .sidebar-link.current { background: var(--color-border-light); color: var(--color-ink); font-weight: 500; }
  .sidebar-signout { margin-top: auto; align-self: flex-start; }
  .app-main { min-width: 0; padding: 40px 28px 80px; }
  .app-main .page { padding: 0; }

  .onboarding-steps { display: flex; flex-direction: column; gap: 10px; }
  .onboarding-step { display: flex; gap: 14px; align-items: flex-start; border: 1px solid var(--color-border-light); border-radius: var(--radius); background: #ffffff; padding: 16px; }
  .onboarding-step.is-primary { border-color: var(--color-accent); background: var(--color-accent-pale); }
  .onboarding-step-body { flex: 1; min-width: 0; }
  .step-badge { flex: none; width: 24px; height: 24px; border-radius: var(--radius); border: 1px solid var(--color-border); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 500; color: var(--color-muted); }
  .onboarding-step.is-primary .step-badge { border-color: var(--color-accent); background: var(--color-accent); color: #fff; }
}

@layer utilities {
  .flex { display: flex; }
  .flex-wrap { flex-wrap: wrap; }
  .gap { gap: 10px; }
  .items-center { align-items: center; }
  .items-baseline { align-items: baseline; }
  .justify-between { justify-content: space-between; }
  .muted { color: var(--color-muted); }
  .mb-0 { margin-bottom: 0; }
  .mt-lg { margin-top: 44px; }
}