:root {
  --bg: #f2f5f6; --surface: #ffffff; --surface2: #e8eef0; --ink: #12242c; --ink2: #4a606a; --line: #d3dde1;
  --accent: #0a6f8c; --accent-ink: #ffffff; --accent-soft: #d8edf4;
  --ok: #17764b; --ok-soft: #dcf1e6; --warn: #8f5200; --warn-soft: #fbebcf; --err: #b3261e; --err-soft: #fbe1de; --info: #0a6f8c; --info-soft: #e1f0f5;
  --radius: 10px; --shadow: 0 1px 2px rgba(18,36,44,.06), 0 6px 20px rgba(18,36,44,.06);
  --f: -apple-system, BlinkMacSystemFont, 'Segoe UI', Inter, Roboto, 'Helvetica Neue', Arial, sans-serif;
  color-scheme: light;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 var(--f); }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }
[hidden] { display: none !important; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

/* Barre du haut */
.topbar { position: sticky; top: 0; z-index: 20; background: var(--ink); color: #fff; display: flex; align-items: center; gap: 18px; padding: 0 18px; height: 56px; }
.brand { font-weight: 700; letter-spacing: .06em; white-space: nowrap; }
.brand span { color: #7fd3ea; font-weight: 500; letter-spacing: 0; margin-left: 6px; }
.nav { display: flex; gap: 4px; flex: 1; overflow-x: auto; scrollbar-width: none; }
.nav a { color: #d6e3e8; text-decoration: none; padding: 7px 12px; border-radius: 8px; white-space: nowrap; font-size: 14px; }
.nav a.active, .nav a:hover { background: rgba(255,255,255,.12); color: #fff; }
.topbar .logout { background: none; border: 1px solid rgba(255,255,255,.3); color: #fff; border-radius: 8px; padding: 6px 12px; cursor: pointer; font-size: 13px; }
@media (max-width: 760px) { .topbar { gap: 10px; padding: 0 10px; } .brand span { display: none; } .nav a { padding: 7px 8px; } }

main { max-width: 1440px; margin: 0 auto; padding: 22px 18px 80px; }
@media (max-width: 600px) { main { padding: 14px 12px 80px; } }
h1 { font-size: 1.45rem; margin: 0 0 4px; letter-spacing: -.01em; }
h2 { font-size: 1.1rem; margin: 0 0 10px; }
.lead { color: var(--ink2); margin: 0 0 18px; max-width: 75ch; }
.muted { color: var(--ink2); }
.small { font-size: 13px; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }

/* Boutons */
.btn { display: inline-flex; align-items: center; gap: 6px; border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); padding: 8px 15px; border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 14px; text-decoration: none; white-space: nowrap; }
.btn:hover { filter: brightness(1.07); }
.btn.secondary { background: var(--surface); color: var(--accent); }
.btn.ghost { background: transparent; border-color: var(--line); color: var(--ink); font-weight: 500; }
.btn.danger { background: var(--surface); border-color: var(--err); color: var(--err); }
.btn.ok { background: var(--ok); border-color: var(--ok); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn:disabled { opacity: .5; cursor: not-allowed; filter: none; }

/* Cartes */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.grid { display: grid; gap: 14px; }
.grid.cols3 { grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 18px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px 14px; }
.stat b { display: block; font-size: 1.6rem; line-height: 1.1; }
.stat span { color: var(--ink2); font-size: 13px; }

/* Alertes */
.alerts { display: grid; gap: 8px; margin-bottom: 20px; }
.alert { display: flex; gap: 12px; align-items: flex-start; border-radius: 9px; padding: 10px 14px; border: 1px solid transparent; }
.alert.err { background: var(--err-soft); border-color: #f2c3be; }
.alert.warn { background: var(--warn-soft); border-color: #f0d7a8; }
.alert.info { background: var(--info-soft); border-color: #c4e2ec; }
.alert.ok { background: var(--ok-soft); border-color: #b9e3cc; }
.alert b { display: block; }
.alert .txt { flex: 1; }
.alert .lvl { font-size: 11px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; padding-top: 3px; min-width: 66px; }
.alert.err .lvl { color: var(--err); } .alert.warn .lvl { color: var(--warn); } .alert.info .lvl { color: var(--info); } .alert.ok .lvl { color: var(--ok); }

/* Tableau des contrats */
.toolbar { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 12px; align-items: center; }
.toolbar input, .toolbar select { border: 1px solid var(--line); background: var(--surface); border-radius: 8px; padding: 7px 10px; min-width: 0; }
.toolbar input { flex: 1; min-width: 200px; }
table.list { width: 100%; border-collapse: collapse; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
table.list th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .05em; color: var(--ink2); background: var(--surface2); padding: 9px 12px; }
table.list td { padding: 10px 12px; border-top: 1px solid var(--line); vertical-align: middle; }
table.list tr.click { cursor: pointer; }
table.list tr.click:hover td { background: #f6fafb; }
.ref { font-family: ui-monospace, Menlo, Consolas, monospace; font-size: 13px; }
@media (max-width: 760px) {
  table.list thead { display: none; }
  table.list, table.list tbody, table.list tr, table.list td { display: block; width: 100%; }
  table.list tr { border-top: 1px solid var(--line); padding: 8px 4px; }
  table.list td { border: 0; padding: 2px 10px; }
}
.badge { display: inline-block; border-radius: 999px; padding: 2px 10px; font-size: 12px; font-weight: 600; white-space: nowrap; }
.badge.brouillon { background: var(--surface2); color: var(--ink2); }
.badge.a_signer { background: var(--warn-soft); color: var(--warn); }
.badge.signature_partielle { background: var(--info-soft); color: var(--info); }
.badge.signe { background: var(--ok-soft); color: var(--ok); }
.badge.resilie { background: #ececec; color: #555; }
.empty { text-align: center; padding: 40px 20px; color: var(--ink2); }

/* Choix du modèle */
.tpl { display: flex; flex-direction: column; gap: 6px; text-align: left; cursor: pointer; border: 1px solid var(--line); background: var(--surface); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); }
.tpl:hover { border-color: var(--accent); }
.tpl b { font-size: 15.5px; }
.tpl small { color: var(--ink2); }
.tpl .tag { align-self: flex-start; font-size: 11px; font-weight: 700; letter-spacing: .06em; color: var(--accent); background: var(--accent-soft); padding: 1px 8px; border-radius: 999px; }

/* Éditeur */
.edit-head { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; margin-bottom: 14px; }
.edit-head h1 { font-size: 1.25rem; }
.editor { display: grid; grid-template-columns: minmax(340px, 470px) minmax(0, 1fr); gap: 18px; align-items: start; }
@media (max-width: 1000px) { .editor { grid-template-columns: 1fr; } }
.form-col { display: grid; gap: 10px; }
details.sec { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); }
details.sec > summary { list-style: none; cursor: pointer; padding: 11px 14px; font-weight: 650; display: flex; justify-content: space-between; align-items: center; }
details.sec > summary::-webkit-details-marker { display: none; }
details.sec > summary::after { content: '+'; color: var(--ink2); font-weight: 400; }
details.sec[open] > summary::after { content: '−'; }
.sec-body { padding: 2px 14px 14px; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.fld { display: grid; gap: 4px; grid-column: span 2; min-width: 0; }
.fld.half { grid-column: span 1; }
@media (max-width: 480px) { .fld.half { grid-column: span 2; } }
.fld > span { font-size: 12.5px; font-weight: 600; color: var(--ink2); }
.fld input:not([type=checkbox]), .fld select, .fld textarea, .inp { border: 1px solid var(--line); border-radius: 7px; padding: 7px 9px; background: #fbfcfc; width: 100%; min-width: 0; }
.fld textarea { resize: vertical; min-height: 60px; }
.fld .help { font-size: 12px; color: var(--ink2); }
.chk { display: flex; gap: 9px; align-items: flex-start; cursor: pointer; font-size: 14px; grid-column: span 2; }
.chk input { margin-top: 3px; accent-color: var(--accent); flex: none; width: 16px; height: 16px; }
.rows { display: grid; gap: 8px; }
.rowitem { display: grid; gap: 6px; background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 8px; position: relative; }
.rowitem .rm { position: absolute; top: 4px; right: 4px; }
.rowitem input, .rowitem select, .rowitem textarea { border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px; width: 100%; background: #fff; }
.rowitem label { font-size: 11.5px; color: var(--ink2); display: grid; gap: 2px; }
.rowitem .top { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; padding-right: 54px; }
.preview-col { position: sticky; top: 70px; display: grid; gap: 10px; }
@media (max-width: 1000px) { .preview-col { position: static; } }
.tabs { display: flex; gap: 4px; flex-wrap: wrap; align-items: center; }
.tabs button { border: 1px solid var(--line); background: var(--surface); padding: 6px 13px; border-radius: 8px; cursor: pointer; font-weight: 500; }
.tabs button[aria-selected=true] { background: var(--accent); border-color: var(--accent); color: #fff; }
.tabs .count { display: inline-block; min-width: 18px; padding: 0 5px; border-radius: 9px; font-size: 11px; font-weight: 700; margin-left: 4px; background: var(--err); color: #fff; }
iframe.doc { width: 100%; height: calc(100vh - 170px); min-height: 520px; border: 1px solid var(--line); border-radius: var(--radius); background: #e9eef0; }
.checks { display: grid; gap: 8px; }
.saving { font-size: 12.5px; color: var(--ink2); }

/* Page contrat finalisé */
.contract { display: grid; grid-template-columns: minmax(330px, 430px) minmax(0, 1fr); gap: 18px; align-items: start; }
@media (max-width: 1000px) { .contract { grid-template-columns: 1fr; } }
.panel { display: grid; gap: 12px; }
.signer { border: 1px solid var(--line); border-radius: 9px; padding: 12px; background: var(--surface); display: grid; gap: 8px; }
.signer .st { font-size: 13px; }
.signer.done { border-color: #b9e3cc; background: #f5fbf8; }
.files a { display: block; padding: 4px 0; }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 3px 10px; font-size: 13.5px; }
.kv dt { color: var(--ink2); }
.kv dd { margin: 0; word-break: break-word; }
.journal { font-size: 12.5px; max-height: 300px; overflow: auto; }
.journal div { padding: 4px 0; border-bottom: 1px solid var(--surface2); }
.hash { font-family: ui-monospace, Menlo, monospace; font-size: 11.5px; word-break: break-all; }

/* Fenêtres */
.modal-bg { position: fixed; inset: 0; background: rgba(10,20,25,.5); display: flex; align-items: flex-start; justify-content: center; padding: 30px 12px; z-index: 50; overflow-y: auto; }
.modal { background: var(--surface); border-radius: 12px; width: 100%; max-width: 620px; box-shadow: 0 20px 60px rgba(0,0,0,.3); }
.modal.wide { max-width: 860px; }
.modal header { padding: 14px 18px; border-bottom: 1px solid var(--line); display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.modal header h2 { margin: 0; }
.modal .body { padding: 16px 18px; display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.modal .body > * { grid-column: 1 / -1; }
.modal footer { padding: 12px 18px; border-top: 1px solid var(--line); display: flex; gap: 10px; justify-content: flex-end; flex-wrap: wrap; }
.x { background: none; border: 0; font-size: 22px; cursor: pointer; color: var(--ink2); line-height: 1; }
.sigpad { position: relative; border: 2px dashed var(--line); border-radius: 10px; background: #fff; }
.sigpad canvas { display: block; border-radius: 10px; cursor: crosshair; }
.sigpad-hint { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; color: #b8c4c9; pointer-events: none; font-size: 18px; }
.sigpad-clear { position: absolute; right: 8px; bottom: 8px; }
.notice { background: var(--info-soft); border-radius: 8px; padding: 10px 12px; font-size: 13.5px; }
.notice.warn { background: var(--warn-soft); }
.linkbox { display: flex; gap: 8px; }
.linkbox input { flex: 1; font-family: ui-monospace, Menlo, monospace; font-size: 12.5px; }

/* Notifications */
.toast { position: fixed; bottom: 18px; left: 50%; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 16px; border-radius: 9px; z-index: 60; box-shadow: var(--shadow); max-width: calc(100vw - 24px); }
.toast.err { background: var(--err); }

/* Connexion */
.login { max-width: 420px; margin: 8vh auto; }
.login .card { display: grid; grid-template-columns: 1fr; gap: 12px; padding: 24px; }
.login .card > * { grid-column: 1 / -1; }
.login h1 { text-align: center; }
.settings { display: grid; gap: 14px; max-width: 900px; }
.settings .card { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.settings .card h2 { grid-column: span 2; margin: 0; }
.settings .card .full { grid-column: span 2; }
@media (max-width: 600px) { .settings .card { grid-template-columns: 1fr; } .settings .card h2, .settings .card .full { grid-column: span 1; } .settings .fld.half { grid-column: span 1; } }
.logo-prev { max-height: 60px; max-width: 200px; border: 1px solid var(--line); border-radius: 6px; padding: 4px; background: #fff; }

.stack { display: grid; grid-template-columns: minmax(0, 1fr); gap: 12px; }
.stack > * { grid-column: 1 / -1; }