/* ==========================================================================
   NexTier Invoice App — Legal Portal Stylesheet
   Shared across the login screen, EULA, and Privacy Policy pages.
   ========================================================================== */

:root {
  --ink-900: #0f172a;
  --ink-800: #1e293b;
  --ink-700: #334155;
  --ink-500: #64748b;
  --ink-400: #94a3b8;
  --line: #e2e8f0;
  --line-strong: #cbd5e1;
  --bg: #f8fafc;
  --bg-soft: #f1f5f9;
  --card: #ffffff;
  --accent: #2563eb;
  --accent-dark: #1d4ed8;
  --accent-soft: #eff6ff;
  --accent-line: #dbeafe;
  --radius: 10px;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, .05), 0 1px 3px rgba(15, 23, 42, .07);
  --shadow-md: 0 8px 28px rgba(15, 23, 42, .09), 0 2px 6px rgba(15, 23, 42, .05);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink-800);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

a { color: var(--accent); }

/* --------------------------------------------------------------------------
   Site header
   -------------------------------------------------------------------------- */

.site-header {
  background: rgba(255, 255, 255, .92);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 20;
}

.header-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
  height: 58px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink-900);
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: linear-gradient(135deg, #3b82f6, #1e40af);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  box-shadow: 0 1px 2px rgba(30, 64, 175, .35);
}

.brand-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink-900);
  white-space: nowrap;
}

.brand-tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--ink-400);
  white-space: nowrap;
}

.brand-tag::before {
  content: "";
  display: inline-block;
  width: 1px;
  height: 12px;
  background: var(--line-strong);
  margin: 0 10px 0 10px;
  vertical-align: -1px;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}

.site-nav a {
  padding: 7px 12px;
  border-radius: 7px;
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-500);
  text-decoration: none;
  white-space: nowrap;
}

.site-nav a:hover { color: var(--ink-900); background: var(--bg-soft); }
.site-nav a.active { color: var(--accent-dark); background: var(--accent-soft); }

/* --------------------------------------------------------------------------
   Login screen
   -------------------------------------------------------------------------- */

.login-shell {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 56px 20px 48px;
  background:
    radial-gradient(900px 380px at 50% -120px, rgba(37, 99, 235, .09), transparent 65%),
    var(--bg);
}

.login-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin-bottom: 28px;
}

.login-brand .brand-mark {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  margin-bottom: 14px;
  box-shadow: var(--shadow-md);
}

.login-brand .brand-name { font-size: 1.3rem; }

.login-card {
  width: 100%;
  max-width: 400px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  box-shadow: var(--shadow-md);
  padding: 32px 32px 26px;
}

.login-card h1 {
  font-size: 1.22rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink-900);
  text-align: center;
  margin: 0 0 6px;
}

.login-sub {
  font-size: .875rem;
  color: var(--ink-500);
  text-align: center;
  margin: 0 0 24px;
}

.field { margin-bottom: 16px; }

.field label {
  display: block;
  font-size: .8rem;
  font-weight: 600;
  color: var(--ink-700);
  margin-bottom: 6px;
}

.field input {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 8px;
  font-size: .925rem;
  font-family: inherit;
  color: var(--ink-900);
  background: #fff;
  transition: border-color .15s, box-shadow .15s;
}

.field input::placeholder { color: var(--ink-400); }

.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(37, 99, 235, .13);
}

.btn-primary {
  width: 100%;
  padding: 11px 16px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 8px;
  font-size: .925rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: background .15s, box-shadow .15s;
  box-shadow: 0 1px 2px rgba(37, 99, 235, .35);
}

.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:active { transform: translateY(1px); }

.notice {
  display: none;
  margin-top: 14px;
  padding: 10px 13px;
  border-radius: 8px;
  font-size: .82rem;
  line-height: 1.5;
}

.notice.show { display: block; }

.notice.info {
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  color: var(--accent-dark);
}

.legal-consent {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  text-align: center;
  font-size: .78rem;
  line-height: 1.6;
  color: var(--ink-400);
}

.legal-consent a {
  color: var(--ink-500);
  font-weight: 500;
  text-decoration: none;
}

.legal-consent a:hover { color: var(--accent); text-decoration: underline; }

/* --------------------------------------------------------------------------
   Document pages (EULA / Privacy Policy)
   -------------------------------------------------------------------------- */

.doc-hero {
  background: linear-gradient(180deg, var(--accent-soft) 0%, rgba(239, 246, 255, 0) 100%);
  border-bottom: 1px solid var(--line);
}

.doc-hero-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 46px 24px 34px;
}

.doc-hero h1 {
  font-size: 1.9rem;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--ink-900);
  margin: 0 0 8px;
}

.doc-hero .lead {
  font-size: .95rem;
  color: var(--ink-500);
  max-width: 640px;
  margin: 0;
}

.doc-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 18px;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .02em;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink-500);
}

.badge.accent {
  background: var(--accent-soft);
  border-color: var(--accent-line);
  color: var(--accent-dark);
}

.doc-layout {
  flex: 1;
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 40px 24px 72px;
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr);
  gap: 48px;
  align-items: start;
}

/* Table of contents */

.toc {
  position: sticky;
  top: 86px;
}

.toc h2 {
  font-size: .72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--ink-400);
  margin: 0 0 12px;
}

.toc ol {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--line);
}

.toc a {
  display: block;
  padding: 5px 0 5px 16px;
  margin-left: -1px;
  border-left: 2px solid transparent;
  font-size: .82rem;
  line-height: 1.45;
  color: var(--ink-500);
  text-decoration: none;
}

.toc a:hover {
  color: var(--accent-dark);
  border-left-color: var(--accent);
}

/* Article */

.doc-article section {
  margin-bottom: 36px;
  scroll-margin-top: 84px;
}

.doc-article h2 {
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink-900);
  margin: 0 0 12px;
  padding-bottom: 9px;
  border-bottom: 1px solid var(--line);
}

.doc-article h3 {
  font-size: .98rem;
  font-weight: 600;
  color: var(--ink-800);
  margin: 20px 0 8px;
}

.doc-article p {
  font-size: .925rem;
  color: var(--ink-700);
  margin: 0 0 12px;
}

.doc-article ul {
  margin: 0 0 14px;
  padding-left: 22px;
}

.doc-article li {
  font-size: .925rem;
  color: var(--ink-700);
  margin-bottom: 6px;
}

.doc-article strong { color: var(--ink-900); }

.callout {
  background: var(--accent-soft);
  border: 1px solid var(--accent-line);
  border-left: 3px solid var(--accent);
  border-radius: 8px;
  padding: 14px 16px;
  font-size: .86rem;
  line-height: 1.6;
  color: var(--ink-700);
  margin: 0 0 14px;
}

.doc-article table {
  width: 100%;
  border-collapse: collapse;
  margin: 0 0 16px;
  font-size: .875rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
}

.doc-article th,
.doc-article td {
  padding: 10px 14px;
  text-align: left;
  border-bottom: 1px solid var(--line);
}

.doc-article th {
  background: var(--bg-soft);
  font-size: .74rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--ink-500);
}

.doc-article td { color: var(--ink-700); }

.doc-article tr:last-child td { border-bottom: none; }

.footnote {
  margin-top: 44px;
  padding: 16px 18px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 10px;
  font-size: .8rem;
  line-height: 1.6;
  color: var(--ink-400);
}

.footnote a { color: var(--ink-500); }
.footnote a:hover { color: var(--accent); }

/* --------------------------------------------------------------------------
   Site footer
   -------------------------------------------------------------------------- */

.site-footer {
  border-top: 1px solid var(--line);
  background: #fff;
  margin-top: auto;
}

.footer-inner {
  max-width: 1080px;
  margin: 0 auto;
  padding: 18px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px 24px;
  font-size: .8rem;
  color: var(--ink-400);
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
}

.footer-links a {
  color: var(--ink-500);
  text-decoration: none;
}

.footer-links a:hover { color: var(--accent); }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 860px) {
  .doc-layout {
    grid-template-columns: 1fr;
    gap: 0;
    padding-top: 32px;
  }

  .toc {
    position: static;
    margin-bottom: 32px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--line);
  }

  .toc ol { border-left: none; }
  .toc a { padding-left: 0; border-left: none; }
  .toc a:hover { border-left: none; }

  .doc-hero-inner { padding: 34px 20px 28px; }
  .doc-hero h1 { font-size: 1.55rem; }
}

@media (max-width: 560px) {
  .brand-tag { display: none; }
  .site-nav a { padding: 7px 9px; font-size: 12.5px; }
  .login-card { padding: 26px 22px 22px; }
  .footer-inner { justify-content: center; text-align: center; }
}