/* Pages publiques et compte : accueil, prix, bibliothèque, connexion, bienvenue. Mêmes couleurs que l'application. */
.site-header { position: sticky; top: 0; z-index: 20; display: flex; flex-wrap: wrap; align-items: center; gap: 10px 24px;
  padding: 12px max(16px, calc((100vw - 1120px) / 2)); border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--bg) 90%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); }
.site-nav { display: flex; flex-wrap: wrap; gap: 6px 18px; }
.site-nav a, .site-login { color: var(--ink); text-decoration: none; }
.site-nav a:hover, .site-login:hover { color: var(--plum); }
.site-actions { margin-left: auto; display: flex; align-items: center; gap: 14px; }
/* Téléphone : le logo et les boutons sur une ligne (l'avatar sans le pseudo), la navigation dessous. */
@media (max-width: 760px) {
  .site-nav { order: 3; width: 100%; gap: 14px; font-size: .95rem; }
  .site-actions { gap: 10px; }
  .site-actions .me span { display: none; }
}
.me { display: inline-flex; align-items: center; gap: 6px; color: var(--ink); text-decoration: none; }
.avatar { display: block; width: 32px; height: 32px; flex: none; }
.avatar.big { width: 96px; height: 96px; }
.site-main { max-width: 1120px; margin: 0 auto; padding: 0 16px 56px; }
.band { padding: 56px 0 8px; }
.band > h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); margin-bottom: 18px; }
/* Les ancres (la méthode, les prix, à propos) s'arrêtent sous l'en-tête collé en haut. */
.band[id] { scroll-margin-top: 72px; }
.btn.big { padding: 12px 20px; font-size: 1.05rem; }
.eyebrow { margin: 0; color: var(--plum); font-weight: 700; letter-spacing: .02em; }

/* L'accueil : la promesse, la méthode en trois étapes, les fonctions, les prix, l'auteur, les questions. */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 40px; align-items: center; padding-top: 48px; }
@media (max-width: 860px) { .hero { grid-template-columns: 1fr; padding-top: 28px; } }
.hero h1 { font-size: clamp(2rem, 5vw, 3.3rem); line-height: 1.08; margin: 10px 0 16px; }
.hero-cta { gap: 12px; margin: 22px 0 8px; }
.hero-art { width: 100%; height: auto; filter: drop-shadow(0 18px 28px rgb(0 0 0 / .12)); }
.art-card { fill: var(--surface); stroke: var(--rule); }
.art-sec-0 { fill: var(--s0); }
.art-sec-1 { fill: var(--s1); }
.art-sec-label { fill: var(--surface); font-family: var(--serif); font-size: 15px; }
.art-bar { stroke: var(--ink); stroke-width: 2; }
.art-chord { fill: var(--ink); font-family: var(--serif); font-size: 22px; }
.art-roman { fill: var(--muted); font-size: 11px; }
.art-now { fill: var(--gold); }
.art-rh { fill: var(--plum); }
.art-lh { fill: var(--gold); }
.art-white { fill: var(--key-white); stroke: var(--rule); }
.art-lit { fill: color-mix(in srgb, var(--gold) 45%, var(--key-white)); }
.art-black { fill: var(--key-black); }
/* Les trois étapes : une colonne sur téléphone, toutes trois sur une ligne dès qu'il y a la place (jamais deux plus une). */
.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: 1fr; gap: 16px; }
@media (min-width: 720px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.steps li, .feature, .plan, .song, .card { background: var(--surface); border: 1px solid var(--rule); border-radius: 14px; padding: 20px; }
.step-number { display: inline-grid; place-items: center; width: 34px; height: 34px; margin-bottom: 10px; border-radius: 50%;
  background: var(--plum); color: var(--surface); font-family: var(--serif); }
.steps h3, .feature h3 { font-size: 1.2rem; margin-bottom: 6px; }
.steps p, .feature p { margin: 0; color: var(--muted); }
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.feature { border-top: 4px solid var(--s0); }
.feature-program { border-top-color: var(--s1); }
.feature-cascade { border-top-color: var(--s2); }
.feature-midi { border-top-color: var(--s4); }
.feature-memory { border-top-color: var(--s3); }
.feature-pace { border-top-color: var(--sx); }
.about { display: grid; grid-template-columns: auto 1fr; gap: 28px; align-items: start; }
@media (max-width: 640px) { .about { grid-template-columns: 1fr; } }
.about-hello { font-size: 1.4rem; margin: 0 0 8px; }
.about p { max-width: 64ch; }
.faq { display: grid; gap: 10px; max-width: 820px; }
.faq details { background: var(--surface); border: 1px solid var(--rule); border-radius: 10px; padding: 12px 16px; }
.faq summary { cursor: pointer; font-weight: 700; }
.faq details p { margin: 8px 0 0; color: var(--muted); }
.final-cta { display: grid; justify-items: center; gap: 14px; text-align: center; }
.page-head h1 { font-size: clamp(2rem, 5vw, 3rem); margin-bottom: 8px; }

/* La grille des prix : l'annuel est mis en avant, le fondateur en or ; la formule en cours est entourée. */
.plans { display: grid; grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); gap: 16px; align-items: stretch; }
.plan { position: relative; display: flex; flex-direction: column; gap: 6px; }
.plan h3 { font-size: 1.35rem; }
.plan-tagline, .plan-sub { margin: 0; color: var(--muted); }
.plan-sub { font-size: .9rem; }
.plan-price { margin: 10px 0 0; }
.plan-price b { font-family: var(--serif); font-weight: 400; font-size: 2.2rem; }
.plan-price span { color: var(--muted); }
.plan-features { flex: 1; margin: 12px 0; padding-left: 1.1em; }
.plan-features li { margin: 4px 0; }
.plan-yearly { border-color: var(--plum); box-shadow: 0 10px 30px -18px var(--plum); }
.plan-founder { border-color: var(--gold); }
.plan-badge { position: absolute; top: -12px; right: 16px; padding: 3px 10px; border-radius: 999px; background: var(--gold); color: #241B2C;
  font-size: .82rem; font-weight: 700; }
.plan-yearly .plan-badge { background: var(--plum); color: var(--surface); }
.plan.is-current { outline: 3px solid var(--plum); }
.plan-cta form { margin: 0; }
.plan-cta .btn { width: 100%; text-align: center; }
.plan-current { display: block; padding: 8px; text-align: center; font-weight: 700; color: var(--plum); }
.plans-note { margin-top: 14px; }

/* Connexion, bienvenue, compte : une colonne étroite, en cartes. */
.narrow { max-width: 560px; margin: 0 auto; }
.card { display: grid; gap: 12px; margin-top: 16px; }
.band.card { margin-top: 40px; justify-items: start; }
.band.card .log { width: 100%; }
.oauth { display: grid; gap: 8px; width: 100%; }
.oauth form, .oauth .btn { width: 100%; }
.or { display: flex; align-items: center; gap: 10px; width: 100%; margin: 0; color: var(--muted); }
.or::before, .or::after { content: ""; flex: 1; border-top: 1px solid var(--rule); }
.dev-link { padding: 10px 12px; border-radius: 8px; background: var(--plum-soft); }
.form-errors { margin: 0; padding-left: 1.1em; color: var(--miss); }
.avatar-pick { display: grid; grid-template-columns: repeat(auto-fill, minmax(96px, 1fr)); gap: 10px; margin: 0; padding: 0; border: 0; }
.avatar-pick legend { margin-bottom: 8px; font-size: .92rem; font-weight: 700; }
.avatar-choice { position: relative; display: grid; justify-items: center; gap: 4px; padding: 10px 6px; border: 2px solid var(--rule);
  border-radius: 12px; background: var(--bg); font-size: .85rem; text-align: center; cursor: pointer; }
.avatar-choice input { position: absolute; opacity: 0; pointer-events: none; }
.avatar-choice .avatar { width: 56px; height: 56px; }
.avatar-choice:has(input:checked) { border-color: var(--plum); background: var(--plum-soft); }
.avatar-choice:has(input:focus-visible) { outline: 2px solid var(--gold); outline-offset: 2px; }
.account-head { display: flex; align-items: center; gap: 16px; }
.danger summary { cursor: pointer; color: var(--miss); font-weight: 700; }
.danger-btn { border-color: var(--miss); color: var(--miss); }

/* La bibliothèque. */
.songs { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 16px; margin: 0 0 16px; padding: 0; list-style: none; }
.song { display: grid; align-content: start; gap: 6px; }
.song h3 { font-size: 1.25rem; }
.song p { margin: 0; }
.song-listen { justify-self: start; font-size: .95rem; }
.song form, .song .btn { justify-self: start; margin-top: 8px; }
.song h3 a { color: inherit; text-decoration: none; }
.song h3 a:hover { text-decoration: underline; }

/* La page d'un morceau : l'en-tête et ses boutons, puis la forme et la tonalité côte à côte sur un grand écran. */
.song-head { display: grid; gap: 8px; }
.song-head p { margin: 0; }
.song-actions { flex-wrap: wrap; align-items: center; gap: 12px; margin-top: 8px; }
.song-actions form { margin: 0; }
.song-facts { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px 48px; }
.song-facts h2, .song-program h2 { margin-bottom: 8px; }
.song-links { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 8px 24px; padding: 0; list-style: none; }

/* L'article d'un morceau : des lignes courtes et aérées, à lire comme un texte ; la carte s'y glisse en pleine largeur. */
.article-text > :is(p, ul, ol, blockquote, h3) { max-width: 70ch; }
.article-text p, .article-text li { line-height: 1.7; }
.article-text h3 { font-size: 1.2rem; margin: 28px 0 8px; }
.article-text ul, .article-text ol { padding-left: 22px; display: grid; gap: 8px; }
.article-text blockquote { margin: 18px 0; padding: 4px 0 4px 18px; border-left: 3px solid var(--plum); font-family: var(--serif); font-style: italic; }
.song-sources ul { padding-left: 20px; display: grid; gap: 6px; color: var(--muted); font-size: .95rem; }

.site-footer { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 16px 32px;
  padding: 28px max(16px, calc((100vw - 1120px) / 2)); border-top: 1px solid var(--rule); }
.site-footer-brand { display: flex; align-items: center; gap: 10px; margin: 0 0 6px; }
.locales { display: flex; flex-wrap: wrap; align-items: center; gap: 6px 14px; }
.locales a { color: var(--muted); text-decoration: none; }
.locales a[aria-current] { color: var(--ink); font-weight: 700; }

/* Dans l'application : la bibliothèque et le compte, en haut à droite de « Mes morceaux ». */
.app-nav { display: flex; align-items: center; gap: 16px; margin-left: auto; }
.plan-hint { margin: 8px 0 0; }

/* Pages légales : du texte à lire, une colonne ; un champ encore vide se voit. */
.legal h1 { font-size: clamp(1.8rem, 4vw, 2.4rem); margin-bottom: 6px; }
.legal h2 { font-size: 1.25rem; margin: 26px 0 8px; }
.legal p, .legal li { max-width: 68ch; }
.legal li { margin: 4px 0; }
.legal mark.todo { padding: 0 4px; border-radius: 4px; background: color-mix(in srgb, var(--gold) 30%, transparent); color: var(--ink); }
.french-only { padding: 10px 12px; border-radius: 8px; background: var(--plum-soft); }
.legal-links { margin: 6px 0 0; font-size: .9rem; }
.legal-links a { color: var(--muted); }

/* Sans compte : un bandeau rappelle que la progression reste sur l'appareil, et propose le compte gratuit. */
.guest-banner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 8px 16px; margin: 0 0 16px;
  padding: 10px 14px; border: 1px solid var(--plum); border-radius: 10px; background: var(--plum-soft); }
.song-try { gap: 10px; }
.btn.locked { color: var(--muted); }
.btn.locked::before { content: "🔒 "; }

/* Page de paiement : la formule, la case des CGV, puis le formulaire de Stripe. */
.checkout .plan-price { margin: 4px 0; }
.consent { display: flex; gap: 10px; align-items: flex-start; margin: 18px 0 6px; padding: 12px 14px; border: 1px solid var(--rule);
  border-radius: 10px; background: var(--bg); cursor: pointer; text-align: left; }
.consent input { flex: none; width: 18px; height: 18px; margin: 3px 0 0; accent-color: var(--plum); }
.checkout-form { display: grid; gap: 14px; width: 100%; margin-top: 14px; }
.checkout-form .btn { width: 100%; }
.checkout-element { min-height: 120px; }
.checkout-error { margin: 0; padding: 10px 12px; border-left: 4px solid var(--miss); border-radius: 6px; background: var(--bg); }
.checkout-error::before { content: "⚠ "; color: var(--miss); }

/* Tableau de bord des admins : des tableaux simples, qui défilent sur le côté sur un téléphone. */
.admin { display: grid; gap: 16px; }
.admin-head { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px; }
.admin-periods { display: flex; gap: 12px; }
.admin-periods a.on { font-weight: 700; text-decoration: none; }
.admin-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.admin h2 { font-size: 1.15rem; margin: 0 0 8px; }
.admin .card h2 + .table-scroll, .admin .card p { margin-top: 0; }
.table-scroll { overflow-x: auto; }
.admin table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.admin th, .admin td { padding: 6px 8px; border-bottom: 1px solid var(--rule); text-align: left; white-space: nowrap; }
/* Les libellés passent à la ligne ; les nombres et les dates restent d'un seul tenant. */
.admin .labels th:first-child, .admin .labels td:first-child { white-space: normal; }
.admin th { color: var(--muted); font-weight: 400; }
.admin .num { text-align: right; font-variant-numeric: tabular-nums; }
.admin h3 { font-size: 1rem; margin: 0 0 6px; }
.admin-split { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px 24px; margin-top: 8px; }

/* Les graphiques du tableau de bord : une série chacun, en colonnes ou en courbe, une bande par jour pour l'info-bulle.
   Traits fins, grille discrète, une seule couleur (--chart). */
.trend { margin: 0; display: grid; gap: 8px; }
.trend figcaption { color: var(--muted); }
.trend-body { display: grid; grid-template-columns: auto minmax(0, 1fr); grid-template-rows: 160px auto; gap: 6px 8px; }
.is-line .trend-body { margin-top: 18px; }
.trend-y { position: relative; min-width: 2ch; font-size: .8rem; line-height: 1; color: var(--muted); font-variant-numeric: tabular-nums; }
.trend-y span { position: absolute; right: 0; bottom: calc(var(--at) * 100%); transform: translateY(50%); }
.trend-plot { position: relative; border-radius: 4px; }
.trend-plot:focus-visible { outline: 2px solid var(--chart); outline-offset: 4px; }
.trend-grid { position: absolute; left: 0; right: 0; bottom: calc(var(--at) * 100%); border-top: 1px solid var(--rule); }
.trend-plot svg { position: absolute; inset: 0; width: 100%; height: 100%; overflow: visible; }
.trend-stroke { fill: none; stroke: var(--chart); stroke-width: 2; stroke-linejoin: round; stroke-linecap: round; vector-effect: non-scaling-stroke; }
.trend-wash { fill: var(--chart); opacity: .1; }
.trend-dot { position: absolute; left: calc(var(--x) * 100%); bottom: calc(var(--v) * 100%); width: 8px; height: 8px; border-radius: 50%;
             background: var(--chart); box-shadow: 0 0 0 2px var(--surface); transform: translate(-50%, 50%); }
.trend-end { position: absolute; right: 0; bottom: calc(var(--v) * 100% + 10px); font-weight: 700; line-height: 1; }
.trend-slots { position: absolute; inset: 0; display: flex; }
.trend-slot { position: relative; flex: 1 1 0; min-width: 0; display: flex; align-items: flex-end; justify-content: center; }
.trend-slot i { width: clamp(1px, calc(100% - 2px), 24px); height: calc(var(--v) * 100%); border-radius: 4px 4px 0 0; background: var(--chart); }
.trend-slot.on i { filter: brightness(1.2); }
.is-line .trend-slot.on::after { content: ""; position: absolute; top: 0; bottom: 0; left: 50%; border-left: 1px solid var(--muted); }
.trend-x { grid-column: 2; display: flex; justify-content: space-between; font-size: .8rem; color: var(--muted); }
.trend-tip { position: absolute; top: -6px; z-index: 1; transform: translate(-50%, -100%); padding: 4px 8px; border-radius: 6px;
             background: var(--ink); color: var(--surface); font-size: .85rem; white-space: nowrap; pointer-events: none; }