/* Contrats : interface sobre, pensée pour le téléphone d'abord. */
:root {
    --bg: #f3f4f6;
    --paper: #ffffff;
    --ink: #17202e;
    --muted: #5c6675;
    --line: #dde1e7;
    --accent: #1d3a6e;       /* bleu d'encre de stylo */
    --accent-ink: #ffffff;
    --accent-soft: #e6ecf7;
    --ok: #1d6b45;     --ok-bg: #e2f2e9;
    --warn: #8a5a00;   --warn-bg: #fbefd4;
    --err: #a3262a;    --err-bg: #fbe4e4;
    --info: #1d3a6e;   --info-bg: #e6ecf7;
    --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --serif: Charter, "Bitstream Charter", "Sitka Text", Cambria, Georgia, serif;
    --mono: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
    --radius: 6px;
}
@media (prefers-color-scheme: dark) {
    :root {
        --bg: #12161d; --paper: #1b212b; --ink: #e8ebf0; --muted: #9aa4b2; --line: #2d3541;
        --accent: #8fb0ee; --accent-ink: #0f1a30; --accent-soft: #23304a;
        --ok: #6fd0a0; --ok-bg: #173325; --warn: #f0c36b; --warn-bg: #3a2e12;
        --err: #ff9c9f; --err-bg: #3d1b1d; --info: #8fb0ee; --info-bg: #23304a;
    }
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.55 var(--sans); }
a { color: var(--accent); }
h1 { font-size: 1.6rem; line-height: 1.2; margin: .2em 0 .5em; }
h2 { font-size: 1.1rem; margin: 1.6em 0 .6em; }
h3 { font-size: 1rem; margin: 0 0 .5em; }
.lead { color: var(--muted); margin-top: 0; }
.meta { color: var(--muted); font-size: .88rem; }
.mono { font-family: var(--mono); font-size: .85rem; word-break: break-all; }
.empty { color: var(--muted); padding: 1rem; border: 1px dashed var(--line); border-radius: var(--radius); }
.inline { display: inline; margin: 0; }
.crumb { margin: 0 0 .2rem; font-size: .9rem; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ----- Barre du haut ----- */
.topbar { display: flex; flex-wrap: wrap; align-items: center; gap: .5rem 1.25rem; padding: .7rem 1rem; background: var(--paper); border-bottom: 1px solid var(--line); }
.brand { font-weight: 700; text-decoration: none; color: var(--ink); letter-spacing: .01em; }
.brand .tag { font-weight: 500; font-size: .75rem; color: var(--accent); border: 1px solid var(--accent); border-radius: 3px; padding: 0 .35em; margin-left: .3em; vertical-align: 1px; }
.topbar nav { display: flex; flex-wrap: wrap; gap: .25rem .9rem; flex: 1; }
.topbar nav a { text-decoration: none; color: var(--muted); padding: .2rem 0; border-bottom: 2px solid transparent; }
.topbar nav a:hover { color: var(--ink); }
.topbar nav a.active { color: var(--ink); border-bottom-color: var(--accent); }
.topbar > form { margin-left: auto; display: flex; align-items: center; gap: .7rem; }
.who { color: var(--muted); font-size: .9rem; }
.badge { display: inline-block; min-width: 1.4em; padding: 0 .4em; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: .75rem; text-align: center; line-height: 1.5; }

/* ----- Page ----- */
.page { max-width: 46rem; margin: 0 auto; padding: 1.25rem 1rem 4rem; }
.page.wide { max-width: 72rem; }
.page.narrow { max-width: 32rem; }
.area-plain .page { padding-top: 3rem; }
.login-box { max-width: 26rem; margin: 0 auto; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem; }
.login-box h1 { margin-top: 0; }

.cols { display: grid; gap: 0 2.5rem; grid-template-columns: 1fr; }
@media (min-width: 880px) { .cols { grid-template-columns: 1fr 1fr; } }
.section-head { display: flex; align-items: center; justify-content: space-between; gap: 1rem; flex-wrap: wrap; }
.section-head h1, .section-head h2 { margin-bottom: .3em; }
.actions { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; margin: 1rem 0 .5rem; }
.form-actions { display: flex; gap: .6rem; margin-top: 1.5rem; flex-wrap: wrap; }

/* ----- Boutons ----- */
.btn { display: inline-block; font: inherit; font-weight: 600; padding: .65rem 1.1rem; border-radius: var(--radius); border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); cursor: pointer; text-decoration: none; text-align: center; min-height: 44px; }
.btn:hover { filter: brightness(1.1); }
.btn.secondary { background: transparent; color: var(--accent); }
.btn.danger { background: transparent; color: var(--err); border-color: var(--err); }
.btn.small { padding: .35rem .75rem; min-height: 0; font-size: .9rem; }
.btn:disabled { opacity: .45; cursor: not-allowed; filter: none; }
.link-btn { font: inherit; background: none; border: 0; padding: .3rem 0; color: var(--accent); text-decoration: underline; cursor: pointer; }
.link-btn.danger { color: var(--err); }
.icon-btn { font: inherit; width: 2.2rem; height: 2.2rem; border: 1px solid var(--line); background: var(--paper); color: var(--ink); border-radius: var(--radius); cursor: pointer; }
.icon-btn.danger { color: var(--err); }

/* ----- Formulaires ----- */
label { display: block; font-weight: 600; font-size: .92rem; }
.stack > * + * { margin-top: 1rem; }
input[type=text], input[type=password], input[type=url], input:not([type]), select, textarea {
    display: block; width: 100%; margin-top: .3rem; padding: .6rem .7rem; font: inherit; font-weight: 400;
    color: var(--ink); background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius);
}
textarea { resize: vertical; line-height: 1.5; }
input[type=file] { margin-top: .3rem; font: inherit; max-width: 100%; }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: .9rem 1rem 1rem; margin: 0; background: var(--paper); }
legend { padding: 0 .4rem; font-weight: 600; font-size: .92rem; }
fieldset > label + label { margin-top: .8rem; }
.big input { font-size: 1.15rem; }
.check { display: flex; align-items: flex-start; gap: .6rem; font-weight: 400; font-size: 1rem; cursor: pointer; }
.check input { flex: none; width: 1.3rem; height: 1.3rem; margin-top: .15rem; accent-color: var(--accent); }
.check-grid { display: grid; gap: .6rem 1.5rem; grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr)); }
.req { font-style: normal; font-size: .75rem; color: var(--warn); background: var(--warn-bg); border-radius: 3px; padding: 0 .4em; margin-left: .3em; }
.hint { color: var(--muted); font-size: .9rem; margin: .3rem 0; }

/* ----- Messages, pastilles ----- */
.flash { padding: .75rem 1rem; border-radius: var(--radius); margin: 0 0 1rem; border: 1px solid transparent; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.err { background: var(--err-bg); color: var(--err); }
.flash.info { background: var(--info-bg); color: var(--info); }
.pill { display: inline-block; padding: .1rem .6rem; border-radius: 999px; font-size: .8rem; font-weight: 600; white-space: nowrap; }
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.warn { background: var(--warn-bg); color: var(--warn); }
.pill.err { background: var(--err-bg); color: var(--err); }
.pill.info { background: var(--info-bg); color: var(--info); }
.pill.muted { background: var(--line); color: var(--muted); }

/* ----- Listes ----- */
.list { list-style: none; margin: 0 0 1rem; padding: 0; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.list > li { display: flex; align-items: center; justify-content: space-between; gap: .8rem; padding: .85rem 1rem; flex-wrap: wrap; }
.list > li + li { border-top: 1px solid var(--line); }
.list.compact > li { padding: .6rem 1rem; }
.list-main { display: flex; flex-direction: column; text-decoration: none; color: var(--ink); min-width: 0; flex: 1; }
a.list-main:hover strong { text-decoration: underline; }
li.unread { background: var(--accent-soft); }
li.disabled { opacity: .6; }
.row-actions { display: flex; gap: 1rem; flex-wrap: wrap; }
.log li { font-size: .92rem; }

.reveal { border: 2px solid var(--accent); background: var(--accent-soft); border-radius: var(--radius); padding: 1rem 1.2rem; margin-bottom: 1.5rem; }
.reveal h2 { margin-top: 0; }
.creds { display: grid; grid-template-columns: max-content 1fr; gap: .3rem 1rem; margin: .5rem 0 0; }
.creds dt { color: var(--muted); }
.creds dd { margin: 0; }

.table-wrap { overflow-x: auto; background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; }
th, td { padding: .55rem .8rem; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
th { color: var(--muted); font-weight: 600; white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
.pager { display: flex; justify-content: space-between; align-items: center; margin-top: 1rem; }

/* ----- Le contrat lui-même : traité comme un document ----- */
.doc { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.5rem 1.25rem; margin: 1.2rem 0; font-family: var(--serif); font-size: 1.06rem; line-height: 1.7; }
@media (min-width: 640px) { .doc { padding: 2.2rem 2.6rem; } }
.doc p { margin: 0 0 1em; }
.doc .doc-h { font-family: var(--serif); font-size: 1.25rem; margin: 1.5em 0 .5em; line-height: 1.3; }
.doc > .doc-h:first-child { margin-top: 0; }
.doc .doc-link a { word-break: break-word; }
.doc-img { margin: 1.2rem 0; text-align: center; }
.doc-img img { max-width: 100%; height: auto; border-radius: 4px; }
.doc-img figcaption { font: .85rem var(--sans); color: var(--muted); margin-top: .4rem; }
.doc .check { font-family: var(--serif); margin: .9rem 0; padding: .7rem .8rem; background: var(--bg); border-radius: var(--radius); }
.doc .check.readonly { cursor: default; }
.box { flex: none; width: 1.3rem; height: 1.3rem; border: 2px solid var(--muted); border-radius: 3px; text-align: center; line-height: 1.05rem; font: 700 .95rem var(--sans); }
.box.on { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.preview { font-size: 1rem; padding: 1.2rem; }

/* ----- Zone de signature ----- */
.sign-box { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.25rem; margin: 1.5rem 0; }
.sign-box h2 { margin-top: 0; }
.sign-box > label { margin-top: 1rem; }
.pad-wrap { position: relative; border: 2px solid var(--ink); border-radius: var(--radius); background: #fff; }
#pad { display: block; width: 100%; height: 200px; touch-action: none; cursor: crosshair; }
.pad-line { position: absolute; left: 6%; right: 6%; bottom: 52px; border-bottom: 1px dashed #9aa4b2; pointer-events: none; }
.pad-actions { margin: .2rem 0 .4rem; }
.legal { font-size: .85rem; color: var(--muted); margin: 1rem 0; }
.sign-box .btn { width: 100%; font-size: 1.05rem; }
.sig-img { display: block; max-width: 100%; max-height: 140px; background: #fff; border: 1px solid var(--line); border-radius: 4px; padding: .3rem; }
.who-signed .list { margin-bottom: 1rem; }

/* ----- Éditeur ----- */
.editor > * + * { margin-top: 1rem; }
.blocks > .block + .block { margin-top: .8rem; }
.block { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); }
.block-bar { display: flex; justify-content: space-between; align-items: center; gap: .6rem; padding: .5rem .7rem; border-bottom: 1px solid var(--line); background: var(--bg); border-radius: var(--radius) var(--radius) 0 0; }
.block-bar select { width: auto; margin: 0; padding: .3rem .5rem; }
.block-tools { display: flex; gap: .3rem; }
.block-body { padding: .7rem; }
.block-body > * + * { margin-top: .6rem; }
.block [data-only] { display: none; }
.block[data-type=link] [data-only=link],
.block[data-type=image] [data-only=image],
.block[data-type=checkbox] [data-only=checkbox] { display: block; }
.block[data-type=checkbox] [data-only=checkbox] { display: flex; }
.thumb { max-width: 10rem; max-height: 7rem; border-radius: 4px; border: 1px solid var(--line); display: block; }
.add-bar { display: flex; flex-wrap: wrap; gap: .5rem; align-items: center; }

/* ----- Page de preuve ----- */
.proof-head h1 { margin-bottom: .2em; }
.sig-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(18rem, 1fr)); }
.sig-card { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem; break-inside: avoid; }
.sig-card dl { display: grid; grid-template-columns: max-content 1fr; gap: .15rem .8rem; margin: .8rem 0; font-size: .85rem; }
.sig-card dt { color: var(--muted); }
.sig-card dd { margin: 0; }
.verdicts { display: flex; flex-wrap: wrap; gap: .4rem; margin: 0; }

@media print {
    body { background: #fff; color: #000; font-size: 11pt; }
    .topbar, .no-print, .flash { display: none !important; }
    .page { max-width: none; padding: 0; }
    .doc, .sig-card { border-color: #bbb; }
    .doc .check { background: none; }
    a { color: #000; text-decoration: none; }
    .pill { border: 1px solid #999; background: none !important; color: #000 !important; }
}
@media (prefers-reduced-motion: no-preference) {
    .btn, .link-btn { transition: filter .12s; }
}