:root {
  /* Light Mode Colors - White Background Theme */
  --primary-color: #dc2626;
  --primary-hover: #b91c1c;

  --secondary-color: #374151;

  --text-color: #1f2937;
  --text-light: #6b7280;

  --body-bg: #ffffff;
  --card-bg: #ffffff;
  --card-alt-bg: #f9fafb;

  --hero-bg: #f3f4f6;
  --section-bg: #f9fafb;

  --border-color: #e5e7eb;

  --success-color: #059669;
  --warning-color: #d97706;
  --info-color: #2563eb;

  --shadow-color: rgba(0, 0, 0, 0.08);

  --heading-color: #111827;

  --nav-bg: #ffffff;
  --nav-text: #111827;
  --nav-border: rgba(17, 24, 39, 0.10);
  --nav-hover: rgba(17, 24, 39, 0.06);
  --nav-active: rgba(239, 68, 68, 0.14);

  --footer-bg: #ffffff;
  --footer-text: #111827;
  --footer-border: rgba(17, 24, 39, 0.10);
  --footer-link: rgba(17, 24, 39, 0.82);
  --footer-link-hover: rgba(17, 24, 39, 1);

  --nav-height: 60px;
}

[data-theme="dark"] {
  --primary-color: #ef4444;
  --primary-hover: #f87171;

  --secondary-color: #d1d5db;

  --text-color: #d1d5db;
  --text-light: #9ca3af;

  --body-bg: #111827;
  --card-bg: #0b0f1a;
  --card-alt-bg: #1f2937;

  --hero-bg: #1f2937;
  --section-bg: #1f2937;

  --border-color: #374151;

  --success-color: #10b981;
  --warning-color: #f59e0b;
  --info-color: #3b82f6;

  --shadow-color: rgba(0, 0, 0, 0.35);

  --heading-color: #f9fafb;

  --nav-bg: #000000;
  --nav-text: #ffffff;
  --nav-border: rgba(255, 255, 255, 0.10);
  --nav-hover: rgba(255, 255, 255, 0.08);
  --nav-active: rgba(255, 255, 255, 0.14);

  --footer-bg: #000000;
  --footer-text: #ffffff;
  --footer-border: rgba(255, 255, 255, 0.10);
  --footer-link: rgba(255, 255, 255, 0.88);
  --footer-link-hover: rgba(255, 255, 255, 1);
}

* { box-sizing: border-box; }

html, body { height: 100%; }
html { color-scheme: light dark; }

body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  background: var(--body-bg);
  color: var(--text-color);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main#main {
  flex: 1 0 auto;
}

footer {
  margin-top: auto;
  flex-shrink: 0;
}

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

a.btn { text-decoration: none; }
a.btn.btn--primary { color: #fff; }
a.btn.btn--primary:hover { color: #fff; }
a.btn.btn--ghost:hover { color: var(--primary-color); }

.container {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 56px;
}

h1, h2, h3 {
  color: var(--heading-color);
  margin: 0 0 12px;
}
p { margin: 0 0 14px; line-height: 1.6; }

.lead { font-size: 1.1rem; color: var(--text-color); }
.muted { color: var(--text-light); }
.small { font-size: 0.92rem; }

.section {
  padding: 22px 0;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 16px;
  box-shadow: 0 10px 24px var(--shadow-color);
  padding: 18px;
}

.card--alt { background: var(--card-alt-bg); }

.center {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 14px;
  flex-wrap: wrap;
}

.grid3 {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}
.grid2 {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}
@media (max-width: 900px) {
  .grid3, .grid2 { grid-template-columns: 1fr; }
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 600;
  user-select: none;
}

.btn--primary {
  background: var(--primary-color);
  color: #fff;
}
.btn--primary:hover { background: var(--primary-hover); }

.btn--ghost {
  background: transparent;
  color: var(--secondary-color);
  border-color: var(--border-color);
}
.btn--ghost:hover { border-color: var(--primary-color); color: var(--primary-color); }

.clean { margin: 0; padding-left: 18px; }
.clean li { margin: 6px 0; }

.callout {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  background: var(--card-alt-bg);
  border: 1px dashed var(--border-color);
}

.note {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 12px;
  border: 1px solid var(--border-color);
  background: var(--card-alt-bg);
}
.note--ok { border-color: var(--success-color); }
.note--warn { border-color: var(--warning-color); }

.badge {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: 999px;
  font-size: 0.9rem;
  border: 1px solid var(--border-color);
  background: var(--card-alt-bg);
}
.badge--ok { border-color: var(--success-color); }
.badge--warn { border-color: var(--warning-color); }

.modal[hidden] { display: none !important; }
.modal__overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.55);
  z-index: 40;
}
.modal__panel {
  position: fixed;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: min(760px, calc(100% - 28px));
  max-height: calc(100% - 28px);
  overflow: auto;
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 18px;
  box-shadow: 0 20px 60px var(--shadow-color);
  padding: 18px;
  color: var(--text-color);
  z-index: 41;
}
.modal__close {
  position: sticky;
  top: 0;
  margin-left: auto;
  display: inline-flex;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-color);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
}
.modal__actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 14px; }

body.is-locked { overflow: hidden; }

html.theme-ready, html.theme-ready * {
  transition:
    background-color 220ms ease,
    color 220ms ease,
    border-color 220ms ease,
    box-shadow 220ms ease,
    fill 220ms ease,
    stroke 220ms ease;
}

/* =========================
   Billing notice bar
   ========================= */
.noticeBar[hidden],
.noticeDock[hidden] {
  display: none !important;
}

.noticeBar {
  position: sticky;
  top: var(--nav-height);
  z-index: 19;
  width: 100%;
  border-bottom: 1px solid var(--border-color);
  backdrop-filter: blur(8px);
}

.noticeBar__inner {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  padding: 12px 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.noticeBar__text {
  min-width: 0;
  display: grid;
  gap: 6px;
}

.noticeBar__title {
  font-weight: 800;
  line-height: 1.2;
}

.noticeBar__body {
  color: var(--text-color);
  opacity: 0.95;
  white-space: normal;
  overflow: visible;
  text-overflow: clip;
  line-height: 1.45;
  word-break: break-word;
}

.noticeBar__close {
  flex: 0 0 auto;
  border: 1px solid var(--border-color);
  background: transparent;
  color: var(--text-color);
  border-radius: 12px;
  padding: 8px 10px;
  cursor: pointer;
}

.noticeBar__close:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.noticeBar--warn {
  background: rgba(245, 158, 11, 0.16);
  border-bottom-color: rgba(245, 158, 11, 0.35);
}

.noticeBar--error {
  background: rgba(239, 68, 68, 0.16);
  border-bottom-color: rgba(239, 68, 68, 0.35);
}

.noticeDock {
  position: sticky;
  top: calc(var(--nav-height) + 8px);
  z-index: 19;
  width: 100%;
  pointer-events: none;
}

.noticeDock__inner {
  width: min(1100px, calc(100% - 32px));
  margin: 0 auto;
  display: flex;
  justify-content: flex-end;
  padding-top: 8px;
}

.noticeLauncher {
  pointer-events: auto;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  border: 1px solid var(--border-color);
  background: var(--card-bg);
  color: var(--text-color);
  box-shadow: 0 10px 24px var(--shadow-color);
  font-weight: 800;
  cursor: pointer;
}

.noticeLauncher:hover {
  border-color: var(--primary-color);
  color: var(--primary-color);
}

.noticeLauncher--warn {
  background: rgba(245, 158, 11, 0.16);
  border-color: rgba(245, 158, 11, 0.45);
}

.noticeLauncher--error {
  background: rgba(239, 68, 68, 0.16);
  border-color: rgba(239, 68, 68, 0.45);
}

@media (max-width: 900px) {
  .noticeBar__inner {
    padding: 10px 0;
    flex-direction: column;
    align-items: stretch;
  }

  .noticeBar__close {
    align-self: flex-end;
  }
}