/* Billing cabinet — tokens + components */
:root {
  --bg: #0c0e12;
  --bg-elevated: #141820;
  --surface: #1a1f2a;
  --border: #2a3344;
  --text: #e8ecf4;
  --text-muted: #8b95a8;
  --accent: #3d8bfd;
  --accent-hover: #5ba3ff;
  --danger: #f87171;
  --radius: 12px;
  --shadow: 0 12px 40px rgba(0, 0, 0, 0.45);
  --font-sans: "DM Sans", system-ui, sans-serif;
  --font-display: "Outfit", var(--font-sans);
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f4f6fa;
    --bg-elevated: #ffffff;
    --surface: #ffffff;
    --border: #d8dee9;
    --text: #1a1d26;
    --text-muted: #5c6578;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --danger: #b91c1c;
    --shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
}

a {
  color: var(--accent);
  text-decoration: none;
}

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

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.shell-main {
  flex: 1;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.shell-narrow {
  max-width: 440px;
}

.shell-wide {
  max-width: 1200px;
}

.brand {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.35rem;
  letter-spacing: -0.02em;
  color: var(--text);
  text-decoration: none;
}

.brand:hover {
  text-decoration: none;
  color: var(--accent);
}

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: var(--bg-elevated);
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.9rem;
}

.site-footer {
  margin-top: auto;
  padding: 1.5rem 1.25rem;
  border-top: 1px solid var(--border);
  background: var(--bg-elevated);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.site-footer-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  align-items: center;
  justify-content: center;
}

.site-footer a {
  color: var(--text-muted);
}

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

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  box-shadow: var(--shadow);
}

.card h1 {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.card h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  margin: 1.5rem 0 0.75rem;
}

.muted {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.err {
  color: var(--danger);
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  border-radius: 8px;
  font-size: 0.9rem;
}

label.field {
  display: block;
  margin-top: 1rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text);
}

label.field span {
  display: block;
  margin-bottom: 0.35rem;
}

input[type="email"],
input[type="password"],
input[type="text"] {
  width: 100%;
  padding: 0.6rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font: inherit;
}

input[type="checkbox"] {
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--accent);
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin-top: 1rem;
  font-size: 0.875rem;
  line-height: 1.4;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.6rem 1.15rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
}

.btn:hover {
  background: var(--accent-hover);
  color: #fff;
  text-decoration: none;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border);
}

.btn-ghost:hover {
  background: var(--surface);
}

.btn-row {
  margin-top: 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.auth-switch {
  margin-top: 1.25rem;
  font-size: 0.9rem;
  color: var(--text-muted);
}

table.data {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.95rem;
}

table.data th,
table.data td {
  text-align: left;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

table.data th {
  color: var(--text-muted);
  font-weight: 500;
  width: 38%;
}

code {
  font-family: ui-monospace, "Cascadia Code", monospace;
  font-size: 0.88em;
  background: var(--bg);
  padding: 0.15rem 0.4rem;
  border-radius: 4px;
  border: 1px solid var(--border);
  word-break: break-all;
}

.actions {
  margin-top: 1.5rem;
}

.legal-doc {
  max-width: 52rem;
  margin: 0 auto;
}

.legal-doc h1 {
  font-family: var(--font-display);
  font-size: 1.75rem;
  margin-bottom: 0.5rem;
}

.legal-doc h2 {
  font-size: 1.1rem;
  margin-top: 1.75rem;
}

.legal-doc .disclaimer {
  margin-top: 2.5rem;
  padding: 1rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  font-size: 0.875rem;
  color: var(--text-muted);
}

.flash-ok {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  background: color-mix(in srgb, var(--accent) 14%, transparent);
  border-radius: 8px;
  font-size: 0.9rem;
  color: var(--text);
}

.plan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
  margin-top: 1.25rem;
}

.plan-card {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem;
  background: var(--bg);
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.plan-card-title {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 700;
  margin: 0;
}

.plan-card-price {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0;
}

.plan-card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  font-size: 0.875rem;
  flex: 1;
}

.plan-card-list li {
  margin-bottom: 0.35rem;
}

.plan-card-btn {
  width: 100%;
  margin-top: 0.5rem;
}

.plan-card-popular {
  border-color: color-mix(in srgb, var(--accent) 55%, var(--border));
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent) 30%, transparent);
}

.plan-badge {
  margin: 0;
  width: fit-content;
  font-size: 0.76rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 0.25rem 0.45rem;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  font-weight: 700;
}

.home-hero {
  padding: 2.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background:
    radial-gradient(circle at 15% 20%, color-mix(in srgb, var(--accent) 22%, transparent) 0, transparent 45%),
    var(--surface);
  box-shadow: var(--shadow);
}

.home-kicker {
  margin: 0;
  color: var(--accent);
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  font-size: 0.8rem;
}

.home-hero h1 {
  margin: 0.45rem 0 0.75rem;
  font-family: var(--font-display);
  line-height: 1.15;
  font-size: clamp(1.65rem, 2.8vw, 2.5rem);
}

.home-lead {
  margin: 0;
  max-width: 52rem;
  color: var(--text-muted);
  font-size: 1.02rem;
}

.home-grid {
  margin-top: 1.15rem;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.home-feature {
  padding: 1.3rem;
}

.home-feature h2 {
  margin-top: 0;
}

@media (max-width: 680px) {
  .site-header {
    flex-wrap: wrap;
    padding-bottom: 0.75rem;
  }

  .header-nav {
    width: 100%;
    justify-content: flex-start;
  }

  .home-hero {
    padding: 1.4rem;
  }
}