/* Espace client Métriks3D — reprend le système du site (main.css du thème) : Inter, IBM Plex Mono, bleu #1D7AE8. */
:root {
  --bg: #F4F6F8;
  --card: #FFFFFF;
  --ink: #1A1D21;
  --ink-2: #4B5563;
  --grey: #8A98A6;
  --line: #E5E9ED;
  --line-2: #F0F2F5;
  --blue: #1D7AE8;
  --blue-ink: #155FB8;
  --blue-light: #E8F1FD;
  --ok: #0F7B53; --ok-bg: #E6F4EE;
  --wait: #9A5B12; --wait-bg: #FBF2E4;
  --err: #B42318; --err-bg: #FDECEA;
  --tile: #17191C;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
  --r: 12px;
  --shadow: 0 1px 2px rgba(26,29,33,.04), 0 8px 24px -16px rgba(26,29,33,.18);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0F1215; --card: #171B20; --ink: #EEF1F4; --ink-2: #B3BCC6; --grey: #7C8894; --line: #262C33; --line-2: #1D2228;
    --blue: #4C9AF2; --blue-ink: #8DBFF7; --blue-light: #16263A; --ok: #5CC99A; --ok-bg: #12261E; --wait: #E6A75A; --wait-bg: #2A2116;
    --err: #F0918A; --err-bg: #2C1715; --tile: #0B0D0F; --shadow: 0 1px 2px rgba(0,0,0,.3); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0F1215; --card: #171B20; --ink: #EEF1F4; --ink-2: #B3BCC6; --grey: #7C8894; --line: #262C33; --line-2: #1D2228;
  --blue: #4C9AF2; --blue-ink: #8DBFF7; --blue-light: #16263A; --ok: #5CC99A; --ok-bg: #12261E; --wait: #E6A75A; --wait-bg: #2A2116;
  --err: #F0918A; --err-bg: #2C1715; --tile: #0B0D0F; --shadow: 0 1px 2px rgba(0,0,0,.3); color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--ink); font: 15px/1.55 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: var(--blue-ink); }
:focus-visible { outline: 2px solid var(--blue); outline-offset: 2px; border-radius: 6px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.label { font: 500 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--grey); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

/* Logo (identique au site) */
.logo { display: inline-flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.m3d-mark { display: inline-flex; width: 30px; height: 30px; flex: none; }
.m3d-mark svg { width: 100%; height: 100%; display: block; }
.m3d-mark__tile { fill: var(--tile); }
.m3d-mark__m { stroke: #fff; }
.m3d-mark__leg { stroke: var(--blue); }
.logo__text { font-weight: 700; font-size: 18px; letter-spacing: -.02em; }
.logo__text span { color: var(--blue); }

/* Barre haute */
.topbar { background: var(--card); border-bottom: 1px solid var(--line); }
.topbar .wrap { height: 64px; display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.topbar .sep { width: 1px; height: 22px; background: var(--line); margin: 0 4px 0 6px; }
.topbar .zone { font-size: 14px; color: var(--ink-2); font-weight: 500; }
.topbar-left { display: flex; align-items: center; gap: 10px; }

/* Boutons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; font: 500 14px/1 var(--sans); padding: 11px 16px;
  border-radius: 8px; border: 1px solid transparent; cursor: pointer; text-decoration: none; transition: background .15s, border-color .15s; white-space: nowrap; }
.btn svg { width: 16px; height: 16px; flex: none; }
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-ink); }
.btn-dark { background: var(--ink); color: var(--card); }
.btn-outline { background: var(--card); color: var(--ink); border-color: var(--line); }
.btn-outline:hover { border-color: var(--grey); }
.btn-sm { padding: 8px 12px; font-size: 13px; }

/* En-tête de page */
.page-head { padding: 32px 0 24px; display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.page-head h1 { font-size: clamp(24px, 3vw, 30px); line-height: 1.2; letter-spacing: -.02em; font-weight: 600; margin: 8px 0 4px; text-wrap: balance; }
.page-head p { margin: 0; color: var(--ink-2); }

.pill { display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 500; white-space: nowrap; }
.pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.pill.planifie { background: var(--blue-light); color: var(--blue-ink); }
.pill.en_cours { background: var(--wait-bg); color: var(--wait); }
.pill.livre, .pill.payee { background: var(--ok-bg); color: var(--ok); }
.pill.a_regler { background: var(--wait-bg); color: var(--wait); }

/* Grille */
.grid { display: grid; grid-template-columns: minmax(0, 1fr) 320px; gap: 20px; align-items: start; padding-bottom: 48px; }
.col { display: grid; gap: 20px; min-width: 0; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); box-shadow: var(--shadow); }
.card-h { padding: 18px 22px 0; display: flex; align-items: baseline; justify-content: space-between; gap: 12px; }
.card-h h2 { font-size: 16px; font-weight: 600; margin: 0; letter-spacing: -.01em; }
.card-b { padding: 16px 22px 22px; }

/* Prochaine étape */
.next { display: grid; grid-template-columns: auto 1fr; gap: 20px; padding: 22px; align-items: center; border-left: 3px solid var(--blue); }
.cal { width: 76px; border-radius: 10px; overflow: hidden; border: 1px solid var(--line); text-align: center; background: var(--card); }
.cal b { display: block; background: var(--blue); color: #fff; font: 600 11px/1 var(--mono); letter-spacing: .08em; text-transform: uppercase; padding: 7px 0; }
.cal strong { display: block; font-size: 30px; font-weight: 600; line-height: 1; padding: 10px 0 4px; letter-spacing: -.02em; }
.cal span { display: block; font-size: 12px; color: var(--grey); padding-bottom: 9px; }
.next h2 { margin: 4px 0 4px; font-size: 18px; font-weight: 600; letter-spacing: -.01em; }
.next p { margin: 0 0 14px; color: var(--ink-2); }
.next .actions { display: flex; gap: 8px; flex-wrap: wrap; }
.next.done { border-left-color: var(--ok); }
.next .ico-big { width: 76px; height: 76px; border-radius: 12px; display: grid; place-items: center; background: var(--blue-light); color: var(--blue-ink); }
.next.done .ico-big { background: var(--ok-bg); color: var(--ok); }
.next .ico-big svg { width: 32px; height: 32px; }

/* Note */
.note { margin: 0; padding: 14px 16px; border-radius: 10px; background: var(--blue-light); color: var(--ink); font-size: 14px; display: flex; gap: 12px; }
.note svg { width: 18px; height: 18px; flex: none; color: var(--blue-ink); margin-top: 2px; }
.note b { display: block; font-size: 13px; margin-bottom: 2px; }

/* Suivi */
.steps { list-style: none; margin: 0; padding: 0; }
.steps li { position: relative; padding: 0 0 22px 34px; }
.steps li:last-child { padding-bottom: 0; }
.steps li::before { content: ""; position: absolute; left: 9px; top: 22px; bottom: -2px; width: 2px; background: var(--line); }
.steps li:last-child::before { display: none; }
.steps li.done::before { background: var(--blue); }
.steps .dot { position: absolute; left: 0; top: 2px; width: 20px; height: 20px; border-radius: 50%; border: 2px solid var(--line); background: var(--card); display: grid; place-items: center; }
.steps li.done .dot { background: var(--blue); border-color: var(--blue); }
.steps li.done .dot::after { content: ""; width: 8px; height: 4px; border: solid #fff; border-width: 0 0 2px 2px; transform: rotate(-45deg) translate(1px, -1px); }
.steps li.now .dot { border-color: var(--blue); box-shadow: 0 0 0 4px var(--blue-light); }
.steps li.now .dot::after { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--blue); }
.steps b { display: block; font-weight: 600; font-size: 14.5px; }
.steps li.todo b { color: var(--grey); font-weight: 500; }
.steps span { font-size: 13px; color: var(--ink-2); }
.steps li.todo span { color: var(--grey); }

/* Livrables */
.deliv { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }
.dv { border: 1px solid var(--line); border-radius: 10px; padding: 16px; display: grid; gap: 10px; align-content: start; }
.dv .top { display: flex; align-items: center; gap: 12px; }
.dv .ic { width: 38px; height: 38px; border-radius: 9px; background: var(--blue-light); color: var(--blue-ink); display: grid; place-items: center; flex: none; }
.dv .ic svg { width: 19px; height: 19px; }
.dv b { display: block; font-size: 14.5px; font-weight: 600; }
.dv small { color: var(--grey); font-size: 12.5px; }
.dv p { margin: 0; color: var(--ink-2); font-size: 13.5px; }
.dv.off { background: var(--line-2); border-style: dashed; }
.dv.off .ic { background: var(--card); color: var(--grey); }
.dv .wait { font-size: 12.5px; color: var(--grey); display: inline-flex; align-items: center; gap: 6px; }
.dv .wait::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--grey); }

/* Colonne latérale */
.facts { margin: 0; display: grid; gap: 12px; }
.facts div { display: grid; gap: 2px; }
.facts dt { font: 500 11px/1.2 var(--mono); letter-spacing: .08em; text-transform: uppercase; color: var(--grey); }
.facts dd { margin: 0; font-size: 14px; overflow-wrap: anywhere; }
.invoice .amount { font-size: 26px; font-weight: 600; letter-spacing: -.02em; margin: 6px 0 10px; }
.invoice .row { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.invoice .btn { width: 100%; margin-top: 14px; }
.contact p { margin: 0 0 12px; color: var(--ink-2); font-size: 14px; }
.contact .btn { width: 100%; }

/* Messages */
.thread { list-style: none; margin: 0 0 16px; padding: 0; display: grid; gap: 14px; }
.thread li { display: grid; gap: 4px; max-width: 80%; }
.thread li.me { justify-self: end; justify-items: end; }
.bubble { padding: 11px 14px; border-radius: 12px; font-size: 14.5px; overflow-wrap: anywhere; }
.them .bubble { background: var(--line-2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.me .bubble { background: var(--blue); color: #fff; border-bottom-right-radius: 4px; }
.thread .meta { font-size: 12px; color: var(--grey); }
.empty-thread { color: var(--ink-2); font-size: 14px; margin: 0 0 16px; }
.composer { border-top: 1px solid var(--line-2); padding-top: 16px; display: grid; gap: 10px; }
.composer textarea { width: 100%; min-height: 84px; resize: vertical; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--line); background: var(--bg);
  color: var(--ink); font: 14.5px/1.5 var(--sans); }
.composer textarea:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-light); background: var(--card); }
.composer .row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.composer small { color: var(--grey); font-size: 12.5px; }

/* Pied de page */
.foot { border-top: 1px solid var(--line); background: var(--card); }
.foot .wrap { padding-top: 20px; padding-bottom: 24px; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; font-size: 13px; color: var(--grey); align-items: center; }
.foot .logo .m3d-mark { width: 22px; height: 22px; }
.foot .logo__text { font-size: 14px; }

/* Message flash */
.toast { position: fixed; left: 50%; top: 16px; transform: translateX(-50%); z-index: 50; background: var(--ink); color: var(--card); padding: 11px 16px;
  border-radius: 10px; font-size: 14px; box-shadow: 0 12px 32px -12px rgba(0,0,0,.4); animation: toast 5s ease forwards; max-width: calc(100vw - 32px); }
.toast.err { background: var(--err); color: #fff; }
@keyframes toast { 0% { opacity: 0; transform: translate(-50%, -8px); } 8%, 85% { opacity: 1; transform: translate(-50%, 0); } 100% { opacity: 0; visibility: hidden; } }

/* Accueil sans lien */
.welcome { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 32px 16px; }
.welcome .card { width: 100%; max-width: 440px; padding: 30px 28px; }
.welcome h1 { font-size: 24px; font-weight: 600; letter-spacing: -.02em; margin: 0 0 8px; }
.welcome p { color: var(--ink-2); margin: 0 0 22px; font-size: 14.5px; }
.welcome label { display: block; font-size: 13px; font-weight: 500; margin-bottom: 6px; }
.welcome input { width: 100%; padding: 11px 13px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); font: 15px var(--sans); margin-bottom: 12px; }
.welcome input:focus { outline: none; border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-light); background: var(--card); }
.welcome .btn { width: 100%; }
.welcome .alert { background: var(--err-bg); color: var(--err); padding: 11px 13px; border-radius: 8px; font-size: 13.5px; margin-bottom: 18px; }
.welcome hr { border: 0; border-top: 1px solid var(--line-2); margin: 22px 0; }
.welcome .help { font-size: 13px; color: var(--grey); text-align: center; margin: 16px 0 0; }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .wrap { padding: 0 16px; }
  .topbar .zone, .topbar .sep { display: none; }
  .next { gap: 14px; padding: 18px; align-items: start; }
  .cal, .next .ico-big { width: 62px; }
  .next .ico-big { height: 62px; }
  .cal strong { font-size: 26px; }
  .thread li { max-width: 92%; }
}
@media (prefers-reduced-motion: reduce) { * { animation-duration: .01ms !important; transition-duration: .01ms !important; } }