/* Cahier à grands carreaux (Seyès) : le fond de page est le seul élément décoratif. */
:root {
  --paper: #FAFBFF;
  --grid: #D3DBF3;
  --grid-soft: #E7EBFA;
  --margin: #E4576B;
  --sheet: #FFFFFF;
  --text: #151B3D;
  --muted: #474F78;
  --ink: #1B2A8F;
  --ink-hover: #131F70;
  --on-ink: #FFFFFF;
  --border: #9AA6DB;
  --stabilo: #FFE066;
  --ok: #1E7A4C;
  --warn: #A15C07;
  --error: #B3261E;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --paper: #0E1330;
    --grid: #232C5C;
    --grid-soft: #181F45;
    --margin: #E4576B;
    --sheet: #151B3F;
    --text: #E8ECFF;
    --muted: #B2BAE6;
    --ink: #A9B8FF;
    --ink-hover: #C6D0FF;
    --on-ink: #0E1330;
    --border: #46528F;
    --ok: #62D39A;
    --warn: #F0B35A;
    --error: #FF9C94;
  }
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  min-height: 100vh;
  font: 400 1.0625rem/1.55 'Bricolage Grotesque', system-ui, -apple-system, 'Segoe UI', sans-serif;
  color: var(--text);
  background-color: var(--paper);
  background-image:
    linear-gradient(to right, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-soft) 1px, transparent 1px);
  background-size: 64px 64px, 64px 64px, 16px 16px;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

main {
  position: relative;
  max-width: 46rem;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem 2.25rem;
}
/* Marge rouge du cahier */
main::before {
  content: '';
  position: absolute;
  top: 0; bottom: 0; left: 0.9rem;
  width: 4px;
  border-left: 1px solid var(--margin);
  border-right: 1px solid var(--margin);
}
@media (min-width: 760px) {
  main { padding: 3.5rem 1.5rem 5rem 3.5rem; }
  main::before { left: 1.5rem; }
}

h1 {
  margin: 0;
  font-size: clamp(2.25rem, 7vw, 3.5rem);
  line-height: 1.05;
  font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--ink);
}
h2 { margin: 0 0 0.75rem; font-size: 1.3rem; line-height: 1.25; font-weight: 700; }
p { margin: 0 0 0.75rem; }
.muted { color: var(--muted); }
.hint { margin: 0.4rem 0 1rem; font-size: 0.875rem; color: var(--muted); }

.top { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 0.75rem 1.5rem; margin-bottom: 1.75rem; }
.account { display: flex; align-items: center; gap: 0.6rem; font-size: 0.9375rem; }
.account img { border-radius: 50%; border: 1px solid var(--border); background: var(--sheet); }

.lede { max-width: 32rem; margin-bottom: 1.5rem; font-size: 1.375rem; line-height: 1.4; font-weight: 500; }

/* Feuilles collées sur le cahier */
.sheet {
  margin: 0 0 1.25rem;
  padding: 1.25rem 1.25rem 1.5rem;
  background: var(--sheet);
  border: 1px solid var(--border);
  border-radius: 3px;
}

.status { display: flex; align-items: center; gap: 0.6rem; margin-bottom: 0.25rem; font-size: 1.125rem; }
.dot { width: 0.7rem; height: 0.7rem; border-radius: 50%; background: var(--muted); flex: none; }
.dot[data-state='ok'] { background: var(--ok); }
.dot[data-state='warn'] { background: var(--warn); }
.dot[data-state='error'] { background: var(--error); }
.dot[data-state='syncing'] { background: var(--ink); animation: pulse 1.1s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.25; } }

.facts { display: grid; gap: 0.5rem 1.5rem; margin: 1rem 0 1.25rem; }
.facts div { display: flex; justify-content: space-between; gap: 1rem; border-bottom: 1px solid var(--grid); padding-bottom: 0.4rem; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; text-align: right; font-weight: 600; }

label { display: block; margin: 1rem 0 0.35rem; font-weight: 600; }
input[type='text'], input[type='url'], input[type='password'] {
  width: 100%;
  min-height: 2.75rem;
  padding: 0.6rem 0.75rem;
  font: inherit;
  color: var(--text);
  background: var(--paper);
  border: 1.5px solid var(--border);
  border-radius: 3px;
}
input:focus-visible, .btn:focus-visible, .link:focus-visible, summary:focus-visible {
  outline: 3px solid var(--ink);
  outline-offset: 2px;
}

.row { display: flex; flex-wrap: wrap; align-items: center; gap: 0.75rem 1rem; margin-top: 1rem; }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 2.75rem; padding: 0.6rem 1.25rem;
  font: inherit; font-weight: 600; text-decoration: none; cursor: pointer;
  border-radius: 3px; border: 1.5px solid var(--ink);
}
.btn.primary { background: var(--ink); color: var(--on-ink); }
.btn.primary:hover { background: var(--ink-hover); border-color: var(--ink-hover); }
.btn.secondary { background: transparent; color: var(--ink); }
.btn.secondary:hover { background: var(--grid-soft); }
.btn[disabled] { opacity: 0.55; cursor: progress; }

.link {
  padding: 0.5rem 0; font: inherit; color: var(--ink); background: none; border: 0;
  text-decoration: underline; text-underline-offset: 3px; cursor: pointer;
}

/* Le lien d'abonnement est surligné au stabilo */
.stabilo {
  margin: 0.75rem 0 0.25rem;
  padding: 0.35rem 0.5rem;
  background: linear-gradient(180deg, transparent 0 14%, var(--stabilo) 14% 88%, transparent 88%);
}
.stabilo input {
  width: 100%; padding: 0.4rem 0; font: 500 0.875rem/1.4 ui-monospace, SFMono-Regular, Menlo, monospace;
  color: #151B3D; background: transparent; border: 0;
}
.stabilo input:focus-visible { outline-color: #151B3D; }

details { margin: 1rem 0 0.5rem; }
summary { cursor: pointer; font-weight: 600; }
details p { margin-top: 0.5rem; color: var(--muted); }

.form-error { min-height: 1.5rem; margin: 0.75rem 0 0; color: var(--error); font-weight: 600; }
.form-error:empty { min-height: 0; margin: 0; }

.toast {
  position: fixed; left: 50%; bottom: calc(1.25rem + env(safe-area-inset-bottom));
  max-width: min(32rem, calc(100vw - 2rem));
  padding: 0.75rem 1.1rem; border-radius: 3px;
  color: var(--on-ink); background: var(--ink); font-weight: 600;
  transform: translate(-50%, 1rem); opacity: 0; pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}