html { scroll-behavior: smooth; }
    body {
      font-family: "Manrope", system-ui, sans-serif;
      background:
        radial-gradient(circle at 75% 8%, color-mix(in srgb, var(--mt-primary) 12.0%, transparent), transparent 32rem),
        linear-gradient(180deg, var(--mt-bg) 0%, var(--mt-bg) 72%, var(--mt-bg-secondary) 100%);
      color: var(--mt-text);
      min-height: 100vh;
    }

    a { color: inherit; }
    .text-secondary { color: var(--mt-text-secondary) !important; }
    .section-space { padding: 6rem 0; }

    .navbar {
      --bs-navbar-padding-y: 1rem;
      background: color-mix(in srgb, var(--mt-bg) 84.0%, transparent);
      border-bottom: 1px solid color-mix(in srgb, var(--mt-border) 72.0%, transparent);
      backdrop-filter: blur(18px);
    }
    .navbar-brand { letter-spacing: -.04em; }
    .brand-app { color: var(--mt-primary); }
    .navbar .nav-link {
      color: var(--mt-text-secondary);
      font-size: .93rem;
      font-weight: 600;
      padding: .68rem .85rem !important;
      border-radius: .75rem;
    }
    .navbar .nav-link:hover,
    .navbar .nav-link:focus,
    .navbar .nav-link.active {
      color: var(--mt-text);
      background: color-mix(in srgb, var(--mt-text) 5.5%, transparent);
    }
    .dropdown-menu {
      background: var(--mt-bg-secondary);
      border: 1px solid var(--mt-border);
      box-shadow: 0 1.25rem 3.5rem color-mix(in srgb, var(--mt-bg) 32.0%, transparent);
      border-radius: 1rem;
      padding: .55rem;
    }
    .dropdown-item {
      color: var(--mt-text-secondary);
      border-radius: .65rem;
      padding: .7rem .8rem;
    }
    .dropdown-item:hover, .dropdown-item:focus {
      color: var(--mt-text);
      background: var(--mt-surface);
    }

    .btn {
      --bs-btn-padding-y: .72rem;
      --bs-btn-padding-x: 1.15rem;
      --bs-btn-border-radius: .8rem;
      font-weight: 750;
    }
    .btn-primary {
      --bs-btn-color: var(--mt-bg);
      --bs-btn-bg: var(--mt-primary);
      --bs-btn-border-color: var(--mt-primary);
      --bs-btn-hover-color: var(--mt-bg);
      --bs-btn-hover-bg: var(--mt-primary-hover);
      --bs-btn-hover-border-color: var(--mt-primary-hover);
      --bs-btn-active-color: var(--mt-bg);
      --bs-btn-active-bg: var(--mt-primary-active);
      --bs-btn-active-border-color: var(--mt-primary-active);
      box-shadow: 0 .7rem 2rem color-mix(in srgb, var(--mt-primary) 12.0%, transparent);
    }
    .btn-outline-light {
      --bs-btn-color: var(--mt-text);
      --bs-btn-border-color: var(--mt-border);
      --bs-btn-hover-color: var(--mt-text);
      --bs-btn-hover-bg: var(--mt-surface);
      --bs-btn-hover-border-color: var(--mt-text-secondary);
    }

    .brand-icon { width: 42px; height: 42px; flex: 0 0 auto; }
    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: .55rem;
      color: var(--mt-text-secondary);
      font-size: .78rem;
      font-weight: 800;
      text-transform: uppercase;
      letter-spacing: .12em;
    }
    .eyebrow::before {
      content: "";
      width: .55rem;
      height: .55rem;
      border-radius: 50%;
      background: var(--mt-text-secondary);
      box-shadow: 0 0 0 .35rem color-mix(in srgb, var(--mt-primary) 10.0%, transparent);
    }

    .hero { padding: 7.8rem 0 5.6rem; overflow: hidden; }
    .hero h1 {
      max-width: 13ch;
      font-size: clamp(2.65rem, 6vw, 5.6rem);
      line-height: .98;
      letter-spacing: -.065em;
      font-weight: 800;
    }
    .hero h1 span { color: var(--mt-primary); }
    .hero-copy {
      max-width: 39rem;
      color: var(--mt-text-secondary);
      font-size: 1.08rem;
      line-height: 1.75;
    }
    .hero-note { color: var(--mt-text-secondary); font-size: .82rem; }

    .game-window {
      position: relative;
      min-height: 31rem;
      padding: 1rem;
      background: linear-gradient(145deg, color-mix(in srgb, var(--mt-surface) 93.0%, transparent), color-mix(in srgb, var(--mt-bg) 96.0%, transparent));
      border: 1px solid var(--mt-border);
      border-radius: 1.65rem;
      box-shadow: 0 2rem 6rem color-mix(in srgb, var(--mt-bg) 38.0%, transparent);
    }
    .window-bar {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: .35rem .35rem 1rem;
      color: var(--mt-text-secondary);
      font-size: .76rem;
    }
    .status-dot {
      display: inline-block;
      width: .48rem;
      height: .48rem;
      margin-right: .35rem;
      border-radius: 50%;
      background: var(--mt-success);
      box-shadow: 0 0 0 .22rem color-mix(in srgb, var(--mt-success) 10.0%, transparent);
    }
    .table-stage {
      position: relative;
      display: grid;
      place-items: center;
      min-height: 25.5rem;
      overflow: hidden;
      background:
        linear-gradient(color-mix(in srgb, var(--mt-primary) 3.5000000000000004%, transparent) 1px, transparent 1px),
        linear-gradient(90deg, color-mix(in srgb, var(--mt-primary) 3.5000000000000004%, transparent) 1px, transparent 1px),
        var(--mt-bg);
      background-size: 28px 28px;
      border: 1px solid color-mix(in srgb, var(--mt-border) 80.0%, transparent);
      border-radius: 1.15rem;
    }
    .play-table {
      position: relative;
      width: min(76%, 28rem);
      aspect-ratio: 1.75;
      border-radius: 2rem;
      background: var(--mt-bg-secondary);
      border: 1px solid color-mix(in srgb, var(--mt-primary) 30.0%, transparent);
      box-shadow: inset 0 0 0 .65rem color-mix(in srgb, var(--mt-primary) 2.8000000000000003%, transparent), 0 1.4rem 3rem color-mix(in srgb, var(--mt-bg) 30.0%, transparent);
    }
    .player-seat {
      position: absolute;
      display: grid;
      place-items: center;
      width: 2.8rem;
      height: 2.8rem;
      border-radius: 50%;
      background: var(--mt-surface);
      border: 2px solid var(--mt-primary);
      color: var(--mt-primary);
      font-weight: 800;
      font-size: .78rem;
    }
    .seat-top { top: -1.4rem; left: calc(50% - 1.4rem); }
    .seat-right { right: -1.4rem; top: calc(50% - 1.4rem); }
    .seat-bottom { bottom: -1.4rem; left: calc(50% - 1.4rem); }
    .seat-left { left: -1.4rem; top: calc(50% - 1.4rem); }
    .card-stack {
      position: absolute;
      display: flex;
      gap: .22rem;
    }
    .card-stack i {
      display: block;
      width: .62rem;
      height: .88rem;
      border-radius: .14rem;
      background: color-mix(in srgb, var(--mt-text) 90.0%, transparent);
    }
    .cards-top { top: 1.3rem; left: calc(50% - .73rem); }
    .cards-right { right: 1.3rem; top: calc(50% - .44rem); transform: rotate(90deg); }
    .cards-bottom { bottom: 1.3rem; left: calc(50% - .73rem); }
    .cards-left { left: 1.3rem; top: calc(50% - .44rem); transform: rotate(90deg); }
    .turn-chip {
      position: absolute;
      inset: 50% auto auto 50%;
      transform: translate(-50%, -50%);
      padding: .55rem .8rem;
      border: 1px solid var(--mt-border);
      border-radius: 999px;
      background: var(--mt-surface);
      color: var(--mt-text-secondary);
      font-size: .7rem;
      font-weight: 700;
    }

    .quick-panel {
      margin-top: -1.6rem;
      position: relative;
      z-index: 2;
    }
    .action-card,
    .feature-card,
    .library-panel {
      height: 100%;
      background: color-mix(in srgb, var(--mt-bg-secondary) 86.0%, transparent);
      border: 1px solid var(--mt-border);
      border-radius: 1.15rem;
    }
    .action-card {
      display: flex;
      align-items: center;
      gap: 1rem;
      padding: 1.15rem;
      text-decoration: none;
      transition: transform .2s ease, border-color .2s ease, background-color .2s ease;
    }
    .action-card:hover {
      transform: translateY(-4px);
      border-color: color-mix(in srgb, var(--mt-primary) 60.0%, transparent);
      background: var(--mt-surface);
    }
    .action-icon {
      display: grid;
      place-items: center;
      width: 3rem;
      height: 3rem;
      flex: 0 0 auto;
      border-radius: .85rem;
      background: color-mix(in srgb, var(--mt-primary) 10.0%, transparent);
      color: var(--mt-primary);
      font-size: 1.25rem;
    }
    .action-card small { color: var(--mt-text-secondary); }

    .section-title {
      max-width: 16ch;
      font-size: clamp(2rem, 4vw, 3.4rem);
      font-weight: 800;
      letter-spacing: -.05em;
      line-height: 1.05;
    }
    .nav-pills {
      display: inline-flex;
      padding: .35rem;
      background: var(--mt-bg-secondary);
      border: 1px solid var(--mt-border);
      border-radius: .95rem;
    }
    .nav-pills .nav-link {
      color: var(--mt-text-secondary);
      border-radius: .68rem;
      font-weight: 700;
    }
    .nav-pills .nav-link.active {
      color: var(--mt-bg);
      background: var(--mt-primary);
    }
    .mode-panel {
      padding: clamp(1.4rem, 4vw, 2.7rem);
      background: var(--mt-bg-secondary);
      border: 1px solid var(--mt-border);
      border-radius: 1.35rem;
    }
    .mode-stat {
      padding: 1rem;
      background: var(--mt-surface);
      border: 1px solid var(--mt-border);
      border-radius: .9rem;
    }
    .mode-stat strong { display: block; color: var(--mt-primary); font-size: 1.3rem; }
    .mode-stat small { color: var(--mt-text-secondary); }

    .feature-card { padding: 1.5rem; }
    .feature-card .bi { color: var(--mt-primary); font-size: 1.4rem; }
    .feature-card p { color: var(--mt-text-secondary); margin-bottom: 0; }

    .library-panel { padding: clamp(1.25rem, 4vw, 2.5rem); overflow: hidden; }
    .deck-row {
      display: grid;
      grid-template-columns: 3rem 1fr auto;
      gap: 1rem;
      align-items: center;
      padding: .9rem 0;
      border-bottom: 1px solid var(--mt-border);
    }
    .deck-row:last-child { border-bottom: 0; }
    .deck-avatar {
      display: grid;
      place-items: center;
      width: 3rem;
      height: 3rem;
      border-radius: .75rem;
      background: linear-gradient(145deg, color-mix(in srgb, var(--mt-primary) 22.0%, transparent), color-mix(in srgb, var(--mt-info) 5.0%, transparent));
      color: var(--mt-primary);
    }
    .badge-soft {
      color: var(--mt-primary);
      background: color-mix(in srgb, var(--mt-primary) 10.0%, transparent);
      border: 1px solid color-mix(in srgb, var(--mt-primary) 20.0%, transparent);
    }

    .cta-panel {
      padding: clamp(2rem, 6vw, 4.5rem);
      background: linear-gradient(125deg, color-mix(in srgb, var(--mt-primary) 14.000000000000002%, transparent), color-mix(in srgb, var(--mt-bg-secondary) 80.0%, transparent) 58%);
      border: 1px solid color-mix(in srgb, var(--mt-primary) 25.0%, transparent);
      border-radius: 1.6rem;
    }

    footer {
      background: var(--mt-bg-secondary);
      border-top: 1px solid var(--mt-border);
    }
    .footer-link { color: var(--mt-text-secondary); text-decoration: none; }
    .footer-link:hover { color: var(--mt-primary); }

    .modal-content {
      background: var(--mt-surface);
      border: 1px solid var(--mt-border);
      border-radius: 1.2rem;
    }
    .form-control {
      min-height: 3rem;
      background: var(--mt-surface);
      border-color: var(--mt-border);
      color: var(--mt-text);
    }
    .form-control:focus {
      background: var(--mt-surface);
      color: var(--mt-text);
      border-color: var(--mt-primary);
      box-shadow: 0 0 0 .25rem color-mix(in srgb, var(--mt-primary) 12.0%, transparent);
    }

    @media (max-width: 1399.98px) {
      .navbar-collapse { padding-top: 1rem; }
      .navbar-nav { gap: .3rem; }
      .hero { padding-top: 6.8rem; }
      .game-window { min-height: auto; margin-top: 2.5rem; }
      .table-stage { min-height: 22rem; }
      .quick-panel { margin-top: 0; }
    }
    @media (max-width: 575.98px) {
      .section-space { padding: 4.5rem 0; }
      .hero { padding-bottom: 3.5rem; }
      .hero-actions .btn { width: 100%; }
      .play-table { width: 78%; }
      .deck-row { grid-template-columns: 2.7rem 1fr; }
      .deck-row .badge { grid-column: 2; justify-self: start; }
    }

/* Adaptations bilingues et responsive de la maquette fournie. */
html { scroll-padding-top: 8rem; }
.container-xxl { --bs-gutter-x: 3rem; }
.brand-lockup { gap: .65rem; min-width: 0; margin-right: 0; }
.brand-mark { width: 2.65rem; height: 2.65rem; object-fit: contain; flex: none; }
.brand-copy { display: flex; flex-direction: column; min-width: 0; }
.brand-name { color: var(--mt-text); font-size: 1.35rem; font-weight: 800; letter-spacing: -.045em; line-height: 1.08; white-space: nowrap; }
.brand-tagline { margin-top: .22rem; color: var(--mt-text-secondary); font-size: .625rem; font-weight: 700; letter-spacing: .04em; line-height: 1.2; text-transform: uppercase; white-space: nowrap; }
.navbar-collapse { order: 1; }
.language-picker { order: 2; flex: none; margin-left: .45rem; }
.language-picker-toggle { display: inline-flex; align-items: center; gap: .38rem; min-height: 2.4rem; padding: .4rem .65rem; border: 1px solid var(--mt-border); border-radius: .65rem; background: var(--mt-surface); color: var(--mt-text); font-size: .75rem; font-weight: 700; }
.language-picker-toggle:hover, .language-picker-toggle:focus-visible { border-color: var(--mt-primary); color: var(--mt-primary); }
.language-picker-toggle:focus-visible { outline: 2px solid var(--mt-primary); outline-offset: 2px; }
.language-picker-toggle::after { margin-left: .12rem; }
.language-picker-code { color: var(--mt-primary); }
.language-picker .dropdown-item[aria-current="true"] { color: var(--mt-primary); font-weight: 700; }
.account-menu { order: 2; flex: none; margin-left: .45rem; }
.account-menu-toggle { display: inline-flex; align-items: center; gap: .55rem; min-height: 2.65rem; padding: .3rem .65rem .3rem .35rem; border: 1px solid var(--mt-border); border-radius: .75rem; background: var(--mt-surface); color: var(--mt-text); text-align: left; }
.account-menu-toggle:hover, .account-menu-toggle[aria-expanded="true"] { border-color: var(--mt-primary); background: var(--mt-surface-hover); }
.account-menu-toggle:focus-visible { outline: 2px solid var(--mt-primary); outline-offset: 2px; }
.account-menu-toggle::after { margin-left: .2rem; }
.account-avatar { display: grid; place-items: center; width: 2rem; height: 2rem; flex: none; border: 1px solid var(--mt-primary); border-radius: .55rem; background: var(--mt-bg-secondary); color: var(--mt-primary); font-size: 1.15rem; }
.account-avatar-large { width: 2.7rem; height: 2.7rem; font-size: 1.5rem; }
.account-menu-trigger-text, .account-menu-identity-text { display: flex; flex-direction: column; min-width: 0; }
.account-menu-trigger-text { max-width: 8rem; line-height: 1.2; }
.account-menu-trigger-text strong, .account-menu-identity-text strong { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-menu-trigger-text strong { font-size: .8rem; }
.account-menu-trigger-text small { color: var(--mt-text-secondary); font-size: .65rem; }
.account-menu-panel { width: min(19rem, calc(100vw - 1.5rem)); margin-top: .5rem !important; }
.account-menu-identity { display: flex; align-items: flex-start; gap: .7rem; padding: .6rem .65rem .55rem; }
.account-menu-identity-text { flex: 1; }
.account-menu-identity-text strong { font-size: .9rem; }
.account-menu-identity-text small { color: var(--mt-text-secondary); font-size: .74rem; overflow-wrap: anywhere; }
.account-menu-role { align-self: flex-start; margin-top: .35rem; color: var(--mt-primary); font-size: .7rem; font-weight: 700; }
.account-menu-panel .dropdown-divider { margin: .5rem .35rem; border-color: var(--mt-border); }
.account-menu-panel .dropdown-item { width: 100%; font-size: .86rem; font-weight: 600; }
.account-menu-panel .dropdown-item i { color: var(--mt-primary); }
.account-menu-panel .account-menu-logout { color: var(--mt-danger); }
.account-menu-panel .account-menu-logout i { color: inherit; }
.account-menu-panel .account-menu-logout:hover, .account-menu-panel .account-menu-logout:focus { color: var(--mt-danger); }
.preferences-card { max-width: 38rem; height: auto; }
.preferences-languages { display: flex; flex-wrap: wrap; gap: .75rem; }
.preferences-language-option { display: inline-flex; align-items: center; gap: .65rem; min-width: 9rem; padding: .8rem 1rem; border: 1px solid var(--mt-border); border-radius: .75rem; background: var(--mt-bg-secondary); cursor: pointer; }
.preferences-language-option:has(input:checked) { border-color: var(--mt-primary); background: var(--mt-surface-hover); }
.preferences-language-option:has(input:focus-visible) { outline: 2px solid var(--mt-primary); outline-offset: 2px; }
.preferences-language-option input { accent-color: var(--mt-primary); }
.preferences-language-option img { object-fit: contain; }
.preferences-saved { color: var(--mt-success); border-color: var(--mt-success); }
.navbar .nav-link { padding-inline: .55rem !important; font-size: .82rem; }
.header-actions { align-items: center; }
.header-actions .btn { font-size: .8rem; white-space: nowrap; padding-inline: .8rem; }
.preview-label, .sample-label { color: var(--mt-text-secondary); font-size: .7rem; letter-spacing: .06em; }
.sample-label { margin-bottom: 1rem; }
.game-window .window-bar { flex-wrap: wrap; gap: .5rem; }
.hero-actions .btn { font-size: .95rem; }
.hero h1 { max-width: 14ch; font-size: clamp(2.65rem, 5vw, 4.5rem); }
.cta-panel .btn { font-size: .95rem; }
.skip-link { position: fixed; z-index: 1100; top: 1rem; left: 1rem; padding: .75rem 1rem; background: var(--mt-primary); color: var(--mt-bg); border-radius: .5rem; transform: translateY(-200%); }
.skip-link:focus { transform: translateY(0); }
.account-feedback { color: var(--mt-text-secondary); padding: .85rem; border: 1px solid var(--mt-border); border-radius: .6rem; background: var(--mt-bg-secondary); }
.form-label { color: var(--mt-text); }
.hero-note { line-height: 1.6; }
.deck-row strong { overflow-wrap: anywhere; }
.action-card small { display: block; }
.navbar .nav-link.active { color: var(--mt-primary); }
@media (max-width: 1399.98px) {
  .language-picker { margin-left: auto; margin-right: .35rem; }
  .account-menu { margin-left: auto; margin-right: .35rem; }
  .language-picker-label { display: none; }
  .navbar-toggler { order: 3; }
  .navbar-collapse { order: 4; }
  .navbar .nav-link { font-size: .93rem; }
  .header-actions .btn { font-size: .95rem; flex: 1; }
  .hero { padding-top: 8rem; }
}
@media (max-width: 575.98px) {
  .brand-lockup { gap: .4rem; }
  .brand-mark { width: 2.25rem; height: 2.25rem; }
  .brand-name { font-size: 1.08rem; }
  .brand-tagline { font-size: .5rem; letter-spacing: .01em; }
  .navbar-toggler { padding-inline: .2rem; }
  .language-picker { margin-right: .1rem; }
  .account-menu { margin-right: .1rem; }
  .account-menu-trigger-text { display: none; }
  .account-menu-toggle { padding: .25rem .5rem .25rem .25rem; gap: .1rem; }
  .language-picker-toggle { padding: .35rem .45rem; gap: .22rem; font-size: .7rem; }
  .hero h1 { font-size: clamp(2.5rem, 10vw, 3.4rem); }
  .table-stage { min-height: 19rem; }
  .game-window .window-bar { font-size: .65rem; }
  .window-bar .preview-label { order: 3; flex-basis: 100%; }
  .cta-panel .btn { white-space: normal; }
  .turn-chip { font-size: .6rem; padding-inline: .5rem; }
}
@media (max-width: 359.98px) {
  .brand-mark { width: 1.9rem; height: 1.9rem; }
  .brand-name { font-size: .98rem; }
  .brand-tagline { font-size: .44rem; letter-spacing: 0; }
}