:root {
  --c-brand: #1d3a52; --c-brand-soft: #eef2f6; --c-accent: #8a5e3c; --c-accent-soft: #f7f2ec;
  --c-canvas: #f6f5f2; --c-paper: #ffffff; --c-line: #e3e1db; --c-ink: #1b1f24; --c-ink-soft: #4b5260; --c-ink-mute: #7a8190;
  --c-ok: #17663a; --c-warn: #b45309; --c-bad: #b42318;
  --r: 12px; --shadow: 0 1px 2px rgba(20,30,40,.05), 0 6px 20px -12px rgba(20,30,40,.18);
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; font-size: 15px; line-height: 1.5; color: var(--c-ink); background: var(--c-canvas); }
a { color: var(--c-brand); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5rem; letter-spacing: -.01em; }
h1 { font-size: 26px; } h2 { font-size: 19px; margin-top: 1.5rem; } h3 { font-size: 16px; }
p { margin: 0 0 .75rem; }
.eyebrow { font-size: 11px; text-transform: uppercase; letter-spacing: .09em; color: var(--c-ink-mute); font-weight: 600; }
.mute { color: var(--c-ink-mute); } .soft { color: var(--c-ink-soft); } .small { font-size: 13px; }

/* Structure */
.shell { display: flex; min-height: 100vh; }
.nav { width: 240px; flex-shrink: 0; background: var(--c-paper); border-right: 1px solid var(--c-line); padding: 20px 14px; position: sticky; top: 0; height: 100vh; overflow-y: auto; display: flex; flex-direction: column; }
.nav .logo { display: block; margin-bottom: 22px; text-decoration: none; color: inherit; }
.nav .logo img { width: 100%; height: auto; }
.nav .logo strong { display: block; font-size: 20px; margin-top: 10px; }
.nav .logo span { display: block; }
.nav-link { display: flex; gap: 10px; align-items: center; padding: 9px 10px; border-radius: 8px; text-decoration: none; color: var(--c-ink-soft); font-size: 14px; }
.nav-link:hover { background: var(--c-brand-soft); color: var(--c-ink); }
.nav-link.active { background: var(--c-brand); color: #fff; }
.nav-foot { margin-top: auto; padding-top: 16px; border-top: 1px solid var(--c-line); font-size: 13px; }
.nav-foot a, .nav-foot button { color: var(--c-ink-soft); }
main { flex: 1; min-width: 0; }
.topbar { display: flex; align-items: center; gap: 8px; padding: 12px 32px; border-bottom: 1px solid var(--c-line); background: rgba(246,245,242,.9); font-size: 13px; position: sticky; top: 0; z-index: 5; backdrop-filter: blur(4px); }
.topbar a { text-decoration: none; color: var(--c-ink-mute); }
.wrap { max-width: 1200px; margin: 0 auto; padding: 28px 32px 60px; }
.burger { display: none; background: none; border: 0; font-size: 22px; cursor: pointer; padding: 4px 8px; }
@media (max-width: 900px) {
  .nav { position: fixed; z-index: 20; transform: translateX(-100%); transition: transform .2s; }
  .nav.open { transform: none; }
  .voile { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 15; display: none; } .voile.open { display: block; }
  .burger { display: block; } .topbar, .wrap { padding-left: 16px; padding-right: 16px; }
}

/* Composants */
.card { background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--r); padding: 20px; box-shadow: var(--shadow); }
.card + .card { margin-top: 16px; }
.grid { display: grid; gap: 16px; } .grid-2 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); } .grid-3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.row { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.between { justify-content: space-between; }
.btn { display: inline-flex; align-items: center; gap: 6px; padding: 9px 16px; border-radius: 9px; border: 1px solid var(--c-brand); background: var(--c-brand); color: #fff; font-size: 14px; font-weight: 600; text-decoration: none; cursor: pointer; line-height: 1.2; }
.btn:hover { background: #17303f; }
.btn-ghost { background: transparent; color: var(--c-brand); border-color: var(--c-line); }
.btn-ghost:hover { background: var(--c-brand-soft); }
.btn-danger { background: transparent; color: var(--c-bad); border-color: #efc7c2; } .btn-danger:hover { background: #fbe9e7; }
.btn-sm { padding: 6px 11px; font-size: 13px; }
.tag { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--c-brand-soft); color: var(--c-brand); }
.tag-ok { background: #e6f3ea; color: var(--c-ok); } .tag-warn { background: #fdf2e3; color: var(--c-warn); } .tag-mute { background: #eeeeec; color: var(--c-ink-mute); }
.lettre { display: inline-flex; align-items: center; justify-content: center; width: 34px; height: 34px; border-radius: 9px; color: #fff; font-weight: 800; font-size: 16px; flex-shrink: 0; }
.lettre-sm { width: 24px; height: 24px; font-size: 12px; border-radius: 6px; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--c-ink-mute); font-weight: 600; padding: 8px 10px; border-bottom: 1px solid var(--c-line); }
td { padding: 10px; border-bottom: 1px solid var(--c-line); vertical-align: middle; }
tr:last-child td { border-bottom: 0; }
ul.liste { margin: 0 0 .75rem; padding-left: 1.15rem; } ul.liste li { margin-bottom: 4px; }
.messages { list-style: none; padding: 0; margin: 0 0 16px; }
.messages li { padding: 10px 14px; border-radius: 9px; background: #e6f3ea; color: var(--c-ok); font-size: 14px; margin-bottom: 8px; }
.messages li.error { background: #fbe9e7; color: var(--c-bad); }
.encart { border-left: 4px solid var(--c-accent); background: var(--c-accent-soft); padding: 12px 16px; border-radius: 0 9px 9px 0; font-size: 14px; }
code.lien { display: block; padding: 10px 12px; background: var(--c-canvas); border: 1px solid var(--c-line); border-radius: 8px; font-size: 13px; word-break: break-all; }

/* Formulaires */
label { display: block; font-size: 13px; font-weight: 600; margin-bottom: 4px; }
input[type=text], input[type=email], input[type=password], select, textarea { width: 100%; padding: 9px 11px; border: 1px solid #cfd4dc; border-radius: 8px; font: inherit; background: #fff; color: inherit; }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--c-brand); outline-offset: 1px; border-color: var(--c-brand); }
.champ { margin-bottom: 14px; } .champ .aide { font-size: 12px; color: var(--c-ink-mute); margin-top: 3px; }
.champ .err, .errorlist { color: var(--c-bad); font-size: 13px; margin: 4px 0 0; padding: 0; list-style: none; }
.champ-check { display: flex; gap: 8px; align-items: flex-start; } .champ-check label { margin: 0; font-weight: 500; }
.champ-check input { margin-top: 4px; width: 18px; height: 18px; }

/* Barres de profil */
.barres { display: grid; gap: 10px; }
.barre { display: grid; grid-template-columns: 34px 1fr 46px; gap: 10px; align-items: center; }
.barre .piste { height: 14px; background: var(--c-canvas); border-radius: 7px; overflow: hidden; position: relative; }
.barre .rempli { height: 100%; border-radius: 7px; }
.barre .val { font-variant-numeric: tabular-nums; font-weight: 600; text-align: right; font-size: 14px; }
.barre .nomdim { font-size: 12px; color: var(--c-ink-mute); }

/* Pages publiques (questionnaire, connexion) */
.public { min-height: 100vh; display: flex; flex-direction: column; align-items: center; padding: 24px 16px 60px; }
.public .boite { width: 100%; max-width: 720px; }
.public .logo { width: 180px; margin: 8px auto 22px; display: block; }
.progress { height: 8px; background: #e6e4de; border-radius: 4px; overflow: hidden; margin: 8px 0 20px; }
.progress div { height: 100%; background: var(--c-brand); border-radius: 4px; transition: width .3s; }
.serie { background: var(--c-paper); border: 1px solid var(--c-line); border-radius: var(--r); padding: 16px 18px; margin-bottom: 14px; box-shadow: var(--shadow); }
.serie.erreur { border-color: var(--c-bad); }
.serie .entete { display: grid; grid-template-columns: 1fr 64px 64px; gap: 8px; align-items: end; margin-bottom: 6px; }
.serie .entete span { font-size: 11px; text-transform: uppercase; letter-spacing: .06em; color: var(--c-ink-mute); font-weight: 700; text-align: center; }
.serie .ligne { display: grid; grid-template-columns: 1fr 64px 64px; gap: 8px; align-items: center; padding: 8px 0; border-top: 1px solid var(--c-line); }
.serie .ligne .phrase { font-size: 15px; }
.serie .ligne label { display: flex; justify-content: center; margin: 0; cursor: pointer; padding: 6px; border-radius: 8px; }
.serie .ligne label:hover { background: var(--c-canvas); }
.serie input[type=radio] { width: 22px; height: 22px; margin: 0; accent-color: var(--c-brand); cursor: pointer; }
.serie .ligne.plus { background: #e6f3ea; } .serie .ligne.moins { background: #fbe9e7; }
.serie .msg { color: var(--c-bad); font-size: 13px; margin-top: 8px; }

@media print {
  .nav, .topbar, .noprint, .messages { display: none !important; }
  body { background: #fff; } .wrap { padding: 0; max-width: none; } .card { box-shadow: none; break-inside: avoid; }
}

/* Calculateur de style de management */
.calc-grille { display: grid; grid-template-columns: 26px 1fr; grid-template-rows: 1fr 26px; gap: 4px; max-width: 520px; }
.calc-axe-y { writing-mode: vertical-rl; transform: rotate(180deg); display: flex; justify-content: center; font-size: 12px; font-weight: 600; color: var(--c-ink-mute); }
.calc-axe-y::after { content: "− → +"; margin-top: 8px; }
.calc-axe-x { display: flex; justify-content: center; gap: 10px; font-size: 12px; font-weight: 600; color: var(--c-ink-mute); }
.calc-axe-x::after { content: "− → +"; }
.calc-plan { position: relative; display: grid; grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; aspect-ratio: 1.6; border: 1px solid var(--c-line); border-radius: 12px; overflow: hidden; }
.calc-q { display: flex; flex-direction: column; justify-content: center; align-items: center; background: color-mix(in srgb, var(--q) 8%, white); border: 1px solid color-mix(in srgb, var(--q) 18%, white); color: var(--q); transition: background .2s; }
.calc-q strong { font-size: 16px; } .calc-q span { font-size: 11px; opacity: .8; }
.calc-q.actif { background: var(--q); color: #fff; }
.calc-point { position: absolute; width: 18px; height: 18px; border-radius: 50%; background: #fff; border: 4px solid var(--c-ink); transform: translate(-50%, -50%); transition: left .25s, top .25s; box-shadow: 0 2px 6px rgba(0,0,0,.25); }
.calc-choix { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 14px; margin: 14px 0; }
.calc-crans { display: flex; gap: 6px; margin-top: 4px; }
.calc-crans button { flex: 1; padding: 9px 0; border: 1px solid #cfd4dc; border-radius: 9px; background: #fff; font-size: 16px; font-weight: 800; cursor: pointer; color: var(--c-ink); }
.calc-crans button.actif { background: var(--c-brand); border-color: var(--c-brand); color: #fff; }
.calc-formule { font-size: 13px; font-weight: 700; color: var(--c-ink-mute); letter-spacing: .02em; }

/* CULTIVEAU Contrats */
.marque { display: block; background: #12283a; color: #fff; font-weight: 800; letter-spacing: .04em; font-size: 20px; padding: 12px 14px; border-radius: 10px; }
.marque .eau { color: #6fd6ea; }
.marque-grand { font-size: 26px; text-align: center; margin: 8px 0 20px; }
input[type=date], input[type=number], input[type=tel], input[type=url] { width: 100%; padding: 9px 11px; border: 1px solid #cfd4dc; border-radius: 8px; font: inherit; background: #fff; color: inherit; }
textarea.mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; line-height: 1.5; }
.feuille { max-width: 860px; padding: 36px 44px; }
.feuille h1 { font-size: 20px; margin-top: 1.4rem; color: #12283a; }
.feuille h2 { font-size: 15px; margin-top: 1.3rem; color: #12283a; }
.feuille p, .feuille li { font-size: 14px; }
.feuille hr { border: 0; border-top: 1px solid var(--c-line); margin: 22px 0; }
.t-contrat { margin: 10px 0 14px; border: 1px solid var(--c-line); }
.t-contrat th { background: #12283a; color: #fff; text-transform: none; letter-spacing: 0; font-size: 13px; }
.t-contrat td, .t-contrat th { border: 1px solid var(--c-line); padding: 7px 10px; vertical-align: top; font-size: 13.5px; }
@media (max-width: 700px) { .feuille { padding: 20px 16px; } }
.nav .logo .marque span { display: inline; }
.propositions { margin: -8px 0 14px; display: grid; gap: 6px; }
.proposition { text-align: left; background: #fff; border: 1px solid var(--c-line); border-radius: 9px; padding: 9px 12px; cursor: pointer; font: inherit; }
.proposition:hover { border-color: var(--c-brand); background: var(--c-brand-soft); }
.proposition strong { display: block; } .proposition span { display: block; font-size: 12.5px; color: var(--c-ink-soft); }
.toile { width: 100%; aspect-ratio: 3 / 1; border: 2px dashed #b8c0cc; border-radius: 10px; background: #fff; touch-action: none; cursor: crosshair; display: block; }
code { font-size: 12px; word-break: break-all; }