:root {
      --crust:   #0e0b09;
      --surface: #141110;
      --card:    #1c1814;
      --card2:   #221e19;
      --border:  #2e2520;
      --border2: #3a302a;
      --ember:   #e07b35;
      --ember2:  #c96a20;
      --sand:    #ede0cc;
      --sand2:   #c8b8a2;
      --muted:   #7a6a58;
      --muted2:  #4a3c30;
    }

    *, *::before, *::after { box-sizing: border-box; }

    html, body {
      margin: 0; padding: 0;
      background: var(--crust);
      color: var(--sand);
      font-family: 'DM Sans', sans-serif;
      min-height: 100vh;
    }

    ::-webkit-scrollbar { width: 4px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: var(--muted2); border-radius: 4px; }
    ::-webkit-scrollbar-thumb:hover { background: var(--ember); }

    ::selection { background: rgba(224,123,53,.25); color: var(--sand); }

    /* ─── Layout ─── */
    .main-container { display: flex; min-height: 100vh; }

    /* ─── Sidebar ─── */
    .sidebar {
      width: 240px; min-width: 240px;
      background: var(--surface);
      border-right: 1px solid var(--border);
      height: 100vh; position: sticky; top: 0;
      display: flex; flex-direction: column;
      padding: 28px 14px; overflow-y: auto;
    }
    .sidebar-logo {
      font-family: 'Syne', sans-serif; font-weight: 800;
      font-size: 1.65rem; letter-spacing: -1.5px;
      color: var(--sand); padding: 0 6px; margin-bottom: 32px;
    }
    .sidebar-logo span { color: var(--ember); }

    .nav-label {
      font-size: 10px; font-weight: 700; letter-spacing: 2px;
      text-transform: uppercase; color: var(--muted2);
      padding: 0 8px; margin: 20px 0 8px;
    }
    .sidebar-nav { display: flex; flex-direction: column; gap: 2px; }
    .sidebar-item {
      display: flex; align-items: center; gap: 12px;
      padding: 10px 12px; border-radius: 10px;
      color: var(--muted); font-size: .875rem; font-weight: 500;
      cursor: pointer; text-decoration: none;
      transition: all .18s; position: relative;
    }
    .sidebar-item:hover { background: rgba(224,123,53,.09); color: var(--sand); }
    .sidebar-item.active { background: rgba(224,123,53,.14); color: var(--ember); }
    .sidebar-item.active::before {
      content: ''; position: absolute; left: 0; top: 50%;
      transform: translateY(-50%); width: 3px; height: 60%;
      background: var(--ember); border-radius: 0 3px 3px 0;
    }
    .sidebar-item svg { width: 18px; height: 18px; flex-shrink: 0; }
    .sidebar-user-card {
      margin-top: auto; padding: 14px 12px; border-radius: 12px;
      background: var(--card); border: 1px solid var(--border);
      display: flex; align-items: center; gap: 10px;
    }

    /* ─── Content ─── */
    .content { flex: 1; height: 100vh; overflow-y: auto; }

    /* ─── Top bar ─── */
    .topbar {
      position: sticky; top: 0; z-index: 50;
      background: rgba(14,11,9,.92);
      backdrop-filter: blur(20px);
      border-bottom: 1px solid var(--border);
      padding: 14px 28px;
      display: flex; align-items: center; gap: 16px;
    }
    .topbar-title { font-family: 'Syne', sans-serif; font-weight: 700; font-size: 1.1rem; }

    /* ─── Settings layout ─── */
    .settings-wrap { max-width: 820px; margin: 0 auto; padding: 32px 24px 80px; }

    /* ─── Section tabs ─── */
    .section-tabs {
      display: flex; gap: 6px; flex-wrap: wrap;
      margin-bottom: 32px;
      border-bottom: 1px solid var(--border);
      padding-bottom: 16px;
    }
    .s-tab {
      display: flex; align-items: center; gap: 7px;
      padding: 8px 16px; border-radius: 10px;
      font-size: .82rem; font-weight: 600; cursor: pointer;
      border: 1px solid transparent; color: var(--muted);
      background: transparent; transition: all .18s; white-space: nowrap;
    }
    .s-tab:hover { background: rgba(224,123,53,.07); color: var(--sand2); }
    .s-tab.active {
      background: rgba(224,123,53,.13);
      border-color: rgba(224,123,53,.3);
      color: var(--ember);
    }
    .s-tab svg { width: 15px; height: 15px; flex-shrink: 0; }

    /* ─── Section panels ─── */
    .section-panel { display: none; }
    .section-panel.visible { display: block; animation: fadeUp .3s ease both; }
    @keyframes fadeUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

    /* ─── Cards ─── */
    .settings-card {
      background: var(--card); border: 1px solid var(--border);
      border-radius: 16px; padding: 22px 24px; margin-bottom: 20px;
    }
    .card-title {
      font-family: 'Syne', sans-serif; font-weight: 700;
      font-size: .95rem; color: var(--sand); margin-bottom: 18px;
      display: flex; align-items: center; gap: 8px;
    }
    .card-title svg { width: 16px; height: 16px; color: var(--ember); flex-shrink: 0; }

    /* ─── Form elements ─── */
    .form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
    .form-grid.one { grid-template-columns: 1fr; }
    .form-group { display: flex; flex-direction: column; gap: 6px; }
    .form-label {
      font-size: .78rem; font-weight: 600; color: var(--sand2);
      text-transform: uppercase; letter-spacing: .5px;
    }
    .form-input, .form-select, .form-textarea {
      background: var(--card2); border: 1px solid var(--border);
      border-radius: 10px; padding: 10px 14px;
      color: var(--sand); font-family: 'DM Sans', sans-serif;
      font-size: .875rem; outline: none; transition: border-color .18s, box-shadow .18s;
      width: 100%;
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: rgba(224,123,53,.5);
      box-shadow: 0 0 0 3px rgba(224,123,53,.07);
    }
    .form-input::placeholder, .form-textarea::placeholder { color: var(--muted2); }
    .form-select { appearance: none; cursor: pointer; }
    .form-textarea { min-height: 88px; resize: vertical; }

    /* ─── Toggle switch ─── */
    .toggle-row {
      display: flex; align-items: center; justify-content: space-between;
      padding: 12px 0; border-bottom: 1px solid rgba(255,255,255,.04);
    }
    .toggle-row:last-child { border-bottom: none; }
    .toggle-info { flex: 1; min-width: 0; }
    .toggle-label { font-size: .88rem; font-weight: 500; color: var(--sand2); }
    .toggle-desc { font-size: .76rem; color: var(--muted); margin-top: 2px; }

    .toggle-sw {
      flex-shrink: 0; width: 42px; height: 24px;
      border-radius: 12px; background: var(--card2);
      border: 1px solid var(--border2); position: relative;
      cursor: pointer; transition: background .2s, border-color .2s;
    }
    .toggle-sw.on { background: var(--ember); border-color: var(--ember); }
    .toggle-sw::after {
      content: ''; position: absolute;
      top: 3px; left: 3px;
      width: 16px; height: 16px; border-radius: 50%;
      background: white; transition: transform .2s;
      box-shadow: 0 1px 4px rgba(0,0,0,.25);
    }
    .toggle-sw.on::after { transform: translateX(18px); }

    /* ─── Avatar ─── */
    .avatar-section {
      display: flex; align-items: center; gap: 20px; margin-bottom: 22px;
    }
    .avatar-wrap { position: relative; flex-shrink: 0; }
    .avatar-img {
      width: 80px; height: 80px; border-radius: 18px;
      object-fit: cover; border: 2px solid var(--border2);
    }
    .avatar-edit-btn {
      position: absolute; bottom: -6px; right: -6px;
      width: 28px; height: 28px; border-radius: 8px;
      background: var(--ember); color: #0c0a08;
      border: 2px solid var(--card);
      display: flex; align-items: center; justify-content: center;
      cursor: pointer; transition: background .18s;
    }
    .avatar-edit-btn:hover { background: var(--ember2); }
    .avatar-edit-btn svg { width: 13px; height: 13px; }
    #avatar-upload-input { display: none; }

    /* ─── Theme picker ─── */
    .theme-grid {
      display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
      gap: 10px;
    }
    .theme-btn {
      border: 1.5px solid var(--border);
      border-radius: 12px; padding: 12px 10px;
      cursor: pointer; text-align: center;
      transition: all .18s; background: var(--card2);
    }
    .theme-btn:hover { border-color: rgba(224,123,53,.4); }
    .theme-btn.active {
      border-color: var(--ember);
      background: rgba(224,123,53,.1);
    }
    .theme-dot {
      width: 28px; height: 28px; border-radius: 50%;
      margin: 0 auto 8px;
    }
    .theme-name { font-size: .76rem; font-weight: 600; color: var(--sand2); }

    /* ─── Session cards ─── */
    .session-card {
      display: flex; align-items: center; gap: 14px;
      padding: 14px 16px; border-radius: 12px;
      background: var(--card2); border: 1px solid var(--border);
      margin-bottom: 10px; transition: border-color .18s;
    }
    .session-card.current-session { border-color: rgba(224,123,53,.35); }
    .session-icon {
      width: 38px; height: 38px; border-radius: 10px;
      background: rgba(224,123,53,.12);
      display: flex; align-items: center; justify-content: center;
      flex-shrink: 0; color: var(--ember);
    }
    .session-icon svg { width: 17px; height: 17px; }
    .session-info { flex: 1; min-width: 0; }
    .session-ua {
      font-size: .82rem; font-weight: 600; color: var(--sand2);
      white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
    }
    .session-meta { font-size: .73rem; color: var(--muted); margin-top: 2px; }
    .session-badge {
      font-size: .68rem; font-weight: 700; padding: 2px 8px;
      border-radius: 20px; background: rgba(224,123,53,.15);
      color: var(--ember); border: 1px solid rgba(224,123,53,.25);
    }
    .revoke-btn {
      padding: 5px 12px; border-radius: 8px;
      background: transparent; border: 1px solid rgba(239,68,68,.3);
      color: #ef4444; font-size: .76rem; font-weight: 600;
      cursor: pointer; transition: all .18s; flex-shrink: 0;
    }
    .revoke-btn:hover { background: rgba(239,68,68,.1); }

    /* ─── Save buttons ─── */
    .save-btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 10px 22px; border-radius: 10px;
      background: var(--ember); border: none; color: #0c0a08;
      font-family: 'Syne', sans-serif; font-weight: 700;
      font-size: .85rem; cursor: pointer; transition: all .18s;
    }
    .save-btn:hover { background: var(--ember2); transform: translateY(-1px); }
    .save-btn:disabled { opacity: .5; cursor: not-allowed; transform: none; }
    .save-btn svg { width: 14px; height: 14px; }

    .danger-btn {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 10px 22px; border-radius: 10px;
      background: transparent; border: 1px solid rgba(239,68,68,.4);
      color: #ef4444; font-size: .85rem; font-weight: 600;
      cursor: pointer; transition: all .18s;
    }
    .danger-btn:hover { background: rgba(239,68,68,.1); border-color: rgba(239,68,68,.7); }

    /* ─── Blocked user ─── */
    .blocked-card {
      display: flex; align-items: center; gap: 12px;
      padding: 12px 16px; border-radius: 12px;
      background: var(--card2); border: 1px solid var(--border);
      margin-bottom: 8px;
    }
    .blocked-card img {
      width: 36px; height: 36px; border-radius: 9px;
      object-fit: cover; flex-shrink: 0;
    }
    .blocked-name { font-size: .86rem; font-weight: 600; color: var(--sand2); flex: 1; }
    .unblock-btn {
      padding: 4px 12px; border-radius: 8px;
      background: transparent; border: 1px solid var(--border2);
      color: var(--muted); font-size: .76rem; font-weight: 600;
      cursor: pointer; transition: all .18s;
    }
    .unblock-btn:hover { border-color: var(--ember); color: var(--ember); }

    /* ─── Toast notification ─── */
    .hk-toast {
      position: fixed; top: 20px; right: 20px; z-index: 10000;
      background: var(--card2); border-left: 3px solid var(--ember);
      border-radius: 12px; padding: 11px 18px;
      display: flex; align-items: center; gap: 10px;
      box-shadow: 0 12px 36px rgba(0,0,0,.55);
      font-size: .85rem; color: var(--sand);
      animation: slideInR .28s cubic-bezier(.34,1.56,.64,1) both;
      max-width: 320px;
    }
    @keyframes slideInR { from { opacity: 0; transform: translateX(60px); } to { opacity: 1; transform: none; } }

    /* ─── Loading spinner ─── */
    .spin {
      width: 18px; height: 18px; border: 2px solid rgba(224,123,53,.2);
      border-top-color: var(--ember); border-radius: 50%;
      animation: rotate .8s linear infinite;
    }
    @keyframes rotate { to { transform: rotate(360deg); } }

    /* ─── Danger zone ─── */
    .danger-zone {
      border: 1px solid rgba(239,68,68,.25);
      border-radius: 16px; padding: 22px 24px;
      background: rgba(239,68,68,.03);
    }
    .danger-title {
      font-family: 'Syne', sans-serif; font-weight: 700;
      color: #ef4444; font-size: .95rem; margin-bottom: 16px;
      display: flex; align-items: center; gap: 8px;
    }

    /* ─── Badge ─── */
    .tag-badge {
      font-size: .7rem; font-weight: 700; padding: 2px 8px;
      border-radius: 20px; white-space: nowrap;
    }
    .tag-verified { background: rgba(34,197,94,.12); border: 1px solid rgba(34,197,94,.3); color: #4ade80; }
    .tag-unverified { background: rgba(239,68,68,.1); border: 1px solid rgba(239,68,68,.25); color: #f87171; }

    /* ─── Soon badge ─── */
    .soon-badge {
      font-size: .68rem; font-weight: 700; padding: 2px 9px;
      border-radius: 20px; background: rgba(96,165,250,.1);
      border: 1px solid rgba(96,165,250,.25); color: #93c5fd;
      white-space: nowrap;
    }

    /* ─── Mobile ─── */
    .mobile-nav {
      display: none; position: fixed; bottom: 0; left: 0; right: 0;
      background: rgba(20,17,14,.97);
      backdrop-filter: blur(20px);
      border-top: 1px solid var(--border);
      padding: 10px 0 18px; z-index: 100;
    }
    .mobile-nav-items { display: flex; justify-content: space-around; align-items: center; }
    .mobile-nav-item { display: flex; flex-direction: column; align-items: center; gap: 3px; color: var(--muted2); cursor: pointer; padding: 4px 10px; text-decoration: none; }
    .mobile-nav-item.active { color: var(--ember); }
    .mobile-nav-item span { font-size: 10px; font-weight: 600; }

    @media (max-width: 767px) {
      .sidebar { display: none !important; }
      .content { padding-bottom: 78px; }
      .mobile-nav { display: block; }
      .settings-wrap { padding: 16px 12px 80px; }
      .form-grid { grid-template-columns: 1fr; }
      .topbar { padding: 10px 14px; }
      .theme-grid { grid-template-columns: repeat(3, 1fr); }
      /* Tabs scrollables horizontalement — sticky sous la topbar */
      .section-tabs {
        overflow-x: auto;
        flex-wrap: nowrap;
        scrollbar-width: none;
        padding-bottom: 0;
        position: sticky;
        top: 0;
        z-index: 50;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        margin: 0 -12px;
        padding: 0 12px;
      }
      .section-tabs::-webkit-scrollbar { display: none; }
      .s-tab {
        flex-shrink: 0;
        padding: 10px 14px;
        font-size: .78rem;
        white-space: nowrap;
      }
      /* Cards plus compactes */
      .settings-card { padding: 16px; margin-bottom: 12px; }
      .card-title { font-size: .88rem; margin-bottom: 12px; }
      /* Avatar centré */
      .avatar-section { flex-direction: column; align-items: center; text-align: center; }
      /* Sessions */
      .session-card { flex-wrap: wrap; gap: 8px; }
      .revoke-btn { width: 100%; justify-content: center; }
    }
    @media (min-width: 768px) { .mobile-nav { display: none !important; } }

    /* ── Sélecteur de langue ─────────────────────── */
    .lang-toggle {
      display: flex;
      gap: 5px;
      background: rgba(255,255,255,.04);
      border-radius: 10px;
      padding: 4px;
    }
    .lang-btn {
      padding: 7px 18px;
      border: 1px solid transparent;
      border-radius: 7px;
      background: transparent;
      color: var(--sand2);
      font-family: 'DM Sans', sans-serif;
      font-size: .85rem;
      cursor: pointer;
      transition: all .2s ease;
      white-space: nowrap;
    }
    .lang-btn:hover {
      background: rgba(224,123,53,.1);
      border-color: rgba(224,123,53,.25);
      color: var(--ember);
    }
    .lang-btn.active {
      background: var(--ember);
      border-color: var(--ember);
      color: #fff;
      font-weight: 600;
    }