:root {
    --black: #0a0a0a;
    --dark: #111111;
    --card: #161616;
    --card2: #1e1e1e;
    --border: #242424;
    --accent: #e8ff3c;
    --accent2: #ff4f3c;
    --muted: #555;
    --text: #e8e8e8;
    --text2: #888;
    --green: #3cff8f;
    --blue: #3cb8ff;
    --orange: #ff9f3c;
  }

  * { box-sizing: border-box; margin: 0; padding: 0; }

  body {
    font-family: 'DM Sans', sans-serif;
    background: var(--black);
    color: var(--text);
    display: flex;
    height: 100vh;
    overflow: hidden;
  }

  /* SIDEBAR */
  .sidebar {
    width: 220px;
    background: var(--dark);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow-y: auto;
  }

  .logo {
    padding: 20px 18px 16px;
    border-bottom: 1px solid var(--border);
  }
  .logo-tag {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 22px;
    letter-spacing: 1px;
    color: var(--accent);
    line-height: 1;
  }
  .logo-sub {
    font-size: 10px;
    color: var(--muted);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 2px;
  }

  /* PROFILE SWITCHER */
  .profile-switcher { position:relative; padding:8px 18px; border-bottom:1px solid var(--border); }
  .profile-current { display:flex; align-items:center; gap:8px; cursor:pointer; padding:8px 10px;
    background:var(--card2); border-radius:7px; transition:background 0.15s; }
  .profile-current:hover { background:var(--border); }
  .profile-dot { width:8px; height:8px; background:var(--green); border-radius:50%; flex-shrink:0; }
  .profile-name { flex:1; font-size:12px; font-weight:600; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
  .profile-arrow { font-size:10px; color:var(--text2); transition:transform 0.2s; }
  .profile-dropdown { display:none; position:absolute; left:18px; right:18px; top:100%;
    background:var(--card); border:1px solid var(--border); border-radius:8px;
    box-shadow:0 8px 24px rgba(0,0,0,0.4); z-index:200; overflow:hidden; margin-top:4px; }
  .profile-dropdown.open { display:block; }
  .profile-dropdown-item { display:flex; align-items:center; gap:8px; padding:10px 14px;
    cursor:pointer; font-size:12px; transition:background 0.15s; }
  .profile-dropdown-item:hover { background:var(--card2); }
  .profile-dropdown-item.active { color:var(--accent); font-weight:600; }
  .profile-dropdown-item.active::before { content:'✓'; margin-right:2px; }
  .profile-dropdown-add { border-top:1px solid var(--border); padding:10px 14px; display:flex;
    align-items:center; gap:6px; cursor:pointer; font-size:12px; color:var(--accent); }
  .profile-dropdown-add:hover { background:var(--card2); }

  .nav { padding: 12px 0; flex: 1; }
  .nav-section {
    font-size: 9px;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--muted);
    padding: 12px 18px 6px;
  }
  .nav-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 18px;
    cursor: pointer;
    transition: all 0.15s;
    font-size: 13px;
    color: var(--text2);
    border-left: 2px solid transparent;
    user-select: none;
  }
  .nav-item:hover { background: rgba(255,255,255,0.04); color: var(--text); }
  .nav-item.active {
    color: var(--accent);
    background: rgba(232,255,60,0.06);
    border-left-color: var(--accent);
  }
  .nav-item .icon { font-size: 14px; width: 16px; text-align: center; }
  .badge {
    margin-left: auto;
    background: var(--accent2);
    color: #fff;
    font-size: 9px;
    border-radius: 8px;
    padding: 1px 6px;
    font-weight: 700;
  }
  .badge.green { background: var(--green); color: #000; }

  .api-key-box {
    margin: 12px;
    background: rgba(232,255,60,0.08);
    border: 1px solid rgba(232,255,60,0.2);
    border-radius: 6px;
    padding: 10px 12px;
  }
  .api-key-label { font-size: 9px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--accent); margin-bottom: 6px; }
  .api-key-value {
    font-family: 'JetBrains Mono', monospace;
    font-size: 9px;
    color: var(--text2);
    word-break: break-all;
    line-height: 1.5;
  }
  .copy-btn {
    margin-top: 8px;
    width: 100%;
    background: var(--accent);
    color: #000;
    border: none;
    border-radius: 4px;
    padding: 5px 0;
    font-size: 10px;
    font-weight: 700;
    cursor: pointer;
    font-family: 'DM Sans', sans-serif;
    letter-spacing: 0.5px;
  }
  .copy-btn:hover { opacity: 0.85; }

  /* MAIN */
  .main {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
  }

  .topbar {
    height: 56px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 16px;
    background: var(--dark);
    flex-shrink: 0;
  }
  .page-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 20px;
    letter-spacing: 1px;
    color: var(--text);
  }
  .topbar-actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }
  .btn {
    padding: 7px 16px;
    border-radius: 5px;
    border: none;
    cursor: pointer;
    font-size: 12px;
    font-weight: 600;
    font-family: 'DM Sans', sans-serif;
    transition: 0.15s;
  }
  .btn-primary { background: var(--accent); color: #000; }
  .btn-primary:hover { opacity: 0.85; }
  .btn-ghost { background: transparent; color: var(--text2); border: 1px solid var(--border); }
  .btn-ghost:hover { border-color: var(--text2); color: var(--text); }
  .btn-danger { background: var(--accent2); color: #fff; }
  .btn-sm { padding: 4px 10px; font-size: 11px; border-radius: 4px; }

  .search-box {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 6px 12px;
    color: var(--text);
    font-size: 12px;
    font-family: 'DM Sans', sans-serif;
    width: 200px;
    outline: none;
  }
  .search-box:focus { border-color: var(--accent); }
  .search-box::placeholder { color: var(--muted); }

  /* VIEWS */
  .view { display: none; flex: 1; overflow-y: auto; padding: 24px; }
  .view.active { display: block; }

  /* DASHBOARD */
  .kpi-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    margin-bottom: 24px;
  }
  .kpi-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 18px;
    position: relative;
    overflow: hidden;
  }
  .kpi-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
  }
  .kpi-card.yellow::before { background: var(--accent); }
  .kpi-card.red::before { background: var(--accent2); }
  .kpi-card.green::before { background: var(--green); }
  .kpi-card.blue::before { background: var(--blue); }
  .kpi-label { font-size: 10px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--muted); margin-bottom: 8px; }
  .kpi-value { font-family: 'Bebas Neue', sans-serif; font-size: 36px; color: var(--text); line-height: 1; }
  .kpi-change { font-size: 11px; margin-top: 4px; }
  .kpi-change.up { color: var(--green); }
  .kpi-change.down { color: var(--accent2); }

  .dash-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 16px;
  }
  .card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
  }
  .card-header {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .card-title { font-size: 12px; text-transform: uppercase; letter-spacing: 1.5px; color: var(--text2); font-weight: 600; }
  .card-body { padding: 0; }

  /* TABLE */
  table { width: 100%; border-collapse: collapse; }
  th {
    background: rgba(255,255,255,0.03);
    font-size: 10px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--muted);
    padding: 10px 18px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    font-weight: 600;
  }
  td {
    padding: 12px 18px;
    font-size: 13px;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    vertical-align: middle;
  }
  tr:last-child td { border-bottom: none; }
  tr:hover td { background: rgba(255,255,255,0.02); }

  .avatar {
    width: 30px; height: 30px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
    color: #000;
    flex-shrink: 0;
  }
  .contact-cell { display: flex; align-items: center; gap: 10px; }
  .contact-name { font-weight: 500; }
  .contact-email { font-size: 11px; color: var(--text2); }

  .tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 20px;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.3px;
  }
  .tag-lead { background: rgba(60,184,255,0.15); color: var(--blue); }
  .tag-customer { background: rgba(60,255,143,0.12); color: var(--green); }
  .tag-partner { background: rgba(232,255,60,0.12); color: var(--accent); }
  .tag-cold { background: rgba(255,79,60,0.12); color: var(--accent2); }
  .tag-hot { background: rgba(255,159,60,0.15); color: var(--orange); }

  .score-bar { display: flex; align-items: center; gap: 8px; }
  .score-track {
    width: 60px; height: 4px;
    background: var(--border);
    border-radius: 2px;
    overflow: hidden;
  }
  .score-fill { height: 100%; border-radius: 2px; transition: width 0.3s; }

  /* PIPELINE */
  .pipeline {
    display: flex;
    gap: 14px;
    overflow-x: auto;
    padding-bottom: 8px;
  }
  .pipe-col {
    min-width: 240px;
    flex-shrink: 0;
  }
  .pipe-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
    padding: 0 2px;
  }
  .pipe-stage {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
  }
  .pipe-count {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1px 8px;
    font-size: 10px;
    color: var(--text2);
  }
  .pipe-value {
    font-size: 10px;
    color: var(--muted);
    margin-bottom: 10px;
    padding: 0 2px;
  }
  .pipe-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 7px;
    padding: 12px;
    margin-bottom: 8px;
    cursor: pointer;
    transition: 0.15s;
  }
  .pipe-card:hover { border-color: var(--muted); transform: translateY(-1px); }
  .pipe-card-title { font-size: 13px; font-weight: 500; margin-bottom: 6px; }
  .pipe-card-meta { font-size: 11px; color: var(--text2); display: flex; justify-content: space-between; margin-top: 8px; }
  .pipe-card-value { font-family: 'JetBrains Mono', monospace; font-size: 13px; color: var(--accent); font-weight: 600; }

  /* API DOCS */
  .api-section { margin-bottom: 32px; }
  .api-title {
    font-family: 'Bebas Neue', sans-serif;
    font-size: 24px;
    color: var(--accent);
    margin-bottom: 4px;
  }
  .api-desc { font-size: 13px; color: var(--text2); margin-bottom: 16px; line-height: 1.6; }
  .endpoint {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    margin-bottom: 10px;
    overflow: hidden;
  }
  .endpoint-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    cursor: pointer;
  }
  .method {
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    font-weight: 600;
    padding: 2px 8px;
    border-radius: 4px;
    flex-shrink: 0;
  }
  .method.get { background: rgba(60,255,143,0.15); color: var(--green); }
  .method.post { background: rgba(60,184,255,0.15); color: var(--blue); }
  .method.put { background: rgba(255,159,60,0.15); color: var(--orange); }
  .method.delete { background: rgba(255,79,60,0.15); color: var(--accent2); }
  .endpoint-path {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    color: var(--text);
  }
  .endpoint-summary { font-size: 12px; color: var(--text2); margin-left: auto; }
  .endpoint-body {
    border-top: 1px solid var(--border);
    padding: 16px;
    display: none;
    background: rgba(255,255,255,0.01);
  }
  .endpoint.open .endpoint-body { display: block; }
  .code-block {
    background: #0d0d0d;
    border: 1px solid var(--border);
    border-radius: 6px;
    padding: 14px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 11px;
    color: var(--text2);
    line-height: 1.7;
    overflow-x: auto;
    margin-top: 10px;
  }
  .code-block .key { color: var(--blue); }
  .code-block .val { color: var(--green); }
  .code-block .str { color: var(--orange); }
  .code-block .comment { color: var(--muted); }

  /* INTEGRATIONS */
  .int-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
    margin-bottom: 24px;
  }
  .int-card {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 18px;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .int-top { display: flex; align-items: center; gap: 12px; }
  .int-icon { font-size: 24px; }
  .int-name { font-size: 14px; font-weight: 600; }
  .int-type { font-size: 10px; text-transform: uppercase; letter-spacing: 1px; color: var(--muted); }
  .int-desc { font-size: 12px; color: var(--text2); line-height: 1.5; }
  .int-status {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    margin-top: 4px;
  }
  .dot { width: 7px; height: 7px; border-radius: 50%; flex-shrink: 0; }
  .dot.connected { background: var(--green); box-shadow: 0 0 6px var(--green); }
  .dot.disconnected { background: var(--muted); }
  .dot.beta { background: var(--orange); }

  /* ACTIVITY FEED */
  .activity-list { list-style: none; }
  .activity-item {
    display: flex;
    gap: 12px;
    padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
  }
  .activity-item:last-child { border-bottom: none; }
  .activity-dot {
    width: 8px; height: 8px;
    border-radius: 50%;
    margin-top: 4px;
    flex-shrink: 0;
  }
  .activity-text { font-size: 12px; color: var(--text); line-height: 1.5; }
  .activity-time { font-size: 10px; color: var(--muted); margin-top: 2px; }

  /* MODAL */
  .modal-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.75);
    z-index: 100;
    align-items: center;
    justify-content: center;
    backdrop-filter: blur(3px);
  }
  .modal-overlay.open { display: flex; }
  .modal {
    background: var(--dark);
    border: 1px solid var(--border);
    border-radius: 10px;
    width: 520px;
    max-height: 85vh;
    overflow-y: auto;
  }
  .modal-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: space-between;
  }
  .modal-title { font-family: 'Bebas Neue', sans-serif; font-size: 20px; letter-spacing: 1px; }
  .modal-close { background: none; border: none; color: var(--muted); cursor: pointer; font-size: 18px; }
  .modal-close:hover { color: var(--text); }
  .modal-body { padding: 24px; display: flex; flex-direction: column; gap: 14px; }
  .modal-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; justify-content: flex-end; gap: 10px; }

  .form-group { display: flex; flex-direction: column; gap: 6px; }
  .form-label { font-size: 11px; text-transform: uppercase; letter-spacing: 1px; color: var(--text2); font-weight: 600; }
  .form-input, .form-select, .form-textarea {
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 5px;
    padding: 9px 12px;
    color: var(--text);
    font-size: 13px;
    font-family: 'DM Sans', sans-serif;
    outline: none;
    transition: 0.15s;
  }
  .form-input:focus, .form-select:focus, .form-textarea:focus { border-color: var(--accent); }
  .form-textarea { resize: vertical; min-height: 80px; }
  .form-select option { background: var(--dark); }

  .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }

  /* TOAST */
  #toast {
    position: fixed;
    bottom: 24px; right: 24px;
    background: var(--accent);
    color: #000;
    padding: 10px 18px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    transform: translateY(60px);
    opacity: 0;
    transition: all 0.25s;
    z-index: 200;
  }
  #toast.show { transform: translateY(0); opacity: 1; }

  /* SCROLL */
  ::-webkit-scrollbar { width: 5px; height: 5px; }
  ::-webkit-scrollbar-track { background: transparent; }
  ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

  /* Stage colors */
  .stage-new { color: var(--blue); }
  .stage-qualified { color: var(--accent); }
  .stage-proposal { color: var(--orange); }
  .stage-negotiation { color: var(--accent2); }
  .stage-won { color: var(--green); }

  #crm-app {
    display: flex;
    height: 100vh;
    width: 100%;
    overflow: hidden;
  }

  #crm-app.hidden {
    display: none;
  }

  /* CLIENT CARD */
  .client-card-header { display:flex; align-items:flex-start; gap:20px; margin-bottom:20px; padding:20px 24px; background:var(--card); border:1px solid var(--border); border-radius:10px; }
  .client-avatar-lg { width:60px; height:60px; border-radius:50%; display:flex; align-items:center; justify-content:center; font-size:20px; font-weight:700; color:#000; flex-shrink:0; }
  .client-header-info { flex:1; min-width:0; }
  .client-name-lg { font-family:'Bebas Neue',sans-serif; font-size:26px; letter-spacing:1px; line-height:1; margin-bottom:4px; }
  .client-meta { display:flex; align-items:center; gap:10px; flex-wrap:wrap; margin-top:10px; }
  .client-header-actions { display:flex; gap:8px; align-items:flex-start; flex-shrink:0; }
  .client-tabs { display:flex; border-bottom:1px solid var(--border); margin-bottom:20px; }
  .client-tab { padding:10px 18px; font-size:11px; font-weight:700; text-transform:uppercase; letter-spacing:1px; color:var(--text2); cursor:pointer; border-bottom:2px solid transparent; margin-bottom:-1px; transition:0.15s; user-select:none; }
  .client-tab:hover { color:var(--text); }
  .client-tab.active { color:var(--accent); border-bottom-color:var(--accent); }
  .client-tab-content { display:none; }
  .client-tab-content.active { display:block; }
  .sales-stages { display:flex; border:1px solid var(--border); border-radius:8px; overflow:hidden; margin-bottom:20px; }
  .sales-stage-item { flex:1; padding:14px 8px; text-align:center; cursor:pointer; font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:0.5px; color:var(--text2); border-right:1px solid var(--border); border-bottom:3px solid transparent; transition:0.15s; }
  .sales-stage-item:last-child { border-right:none; }
  .sales-stage-item:hover { background:rgba(255,255,255,0.03); color:var(--text); }
  .sales-stage-item.active { color:var(--accent); border-bottom-color:var(--accent); background:rgba(232,255,60,0.06); }
  .timeline { display:flex; flex-direction:column; }
  .timeline-item { display:flex; gap:12px; padding:14px 0; border-bottom:1px solid rgba(255,255,255,0.04); align-items:flex-start; }
  .timeline-item:last-child { border-bottom:none; }
  .timeline-dot { width:8px; height:8px; border-radius:50%; margin-top:5px; flex-shrink:0; }
  .invoice-row { display:flex; align-items:center; gap:14px; padding:12px 18px; border-bottom:1px solid rgba(255,255,255,0.04); transition:0.12s; }
  .invoice-row:last-child { border-bottom:none; }
  .invoice-row:hover { background:rgba(255,255,255,0.02); }
  .invoice-number { font-family:'JetBrains Mono',monospace; font-size:13px; font-weight:600; color:var(--accent); }
  .invoice-status { padding:2px 8px; border-radius:20px; font-size:10px; font-weight:600; white-space:nowrap; }
  .inv-paid { background:rgba(60,255,143,0.12); color:var(--green); }
  .inv-pending { background:rgba(255,159,60,0.12); color:var(--orange); }
  .inv-overdue { background:rgba(255,79,60,0.12); color:var(--accent2); }
  .file-item { display:flex; align-items:center; gap:12px; padding:12px 16px; background:var(--card); border:1px solid var(--border); border-radius:7px; margin-bottom:8px; }
  .file-icon { font-size:22px; flex-shrink:0; }
  .file-name { font-size:13px; font-weight:500; }
  .file-meta { font-size:11px; color:var(--text2); margin-top:2px; }
  .file-actions { margin-left:auto; display:flex; gap:6px; }

  /* ============================================================
     LIGHT MODE
     ============================================================ */

  /* Zmienne — jasny motyw */
  /* ============================================================
     TRYB JASNY — pełna paleta z czytelnym kontrastem
     Akcent: indygo #6366f1 zamiast neonowego żółtego
     ============================================================ */
  [data-theme="light"] {
    --black:   #eef1f7;
    --dark:    #ffffff;
    --card:    #ffffff;
    --card2:   #f4f6fb;
    --border:  #dde3ec;
    --accent:  #6366f1;        /* indygo — czytelne na białym */
    --accent2: #dc2626;        /* ciemna czerwień */
    --muted:   #718096;        /* ciemniejszy szary */
    --text:    #1a202c;
    --text2:   #4a5568;
    --green:   #16a34a;
    --blue:    #2563eb;
    --orange:  #c2410c;
    --red:     #dc2626;
  }

  /* Sidebar: zostaje ciemny */
  [data-theme="light"] .sidebar { background: #1a1f2e; border-right-color: #252d42; }
  [data-theme="light"] .logo { border-bottom-color: rgba(255,255,255,0.07); }
  [data-theme="light"] .logo-sub { color: #6a7a9a; }
  [data-theme="light"] .nav-section { color: #5a6a8a; }
  [data-theme="light"] .nav-item { color: #8892a8; border-left-color: transparent; }
  [data-theme="light"] .nav-item:hover { background: rgba(255,255,255,0.06); color: #c5d0e8; }
  [data-theme="light"] .nav-item.active { color: #a5b4fc; background: rgba(99,102,241,0.15); border-left-color: #6366f1; }
  [data-theme="light"] .badge { background: #dc2626; color: #fff; }
  [data-theme="light"] .badge.green { background: #16a34a; color: #fff; }
  [data-theme="light"] .api-key-box { background: rgba(99,102,241,0.07); border-color: rgba(99,102,241,0.2); }
  [data-theme="light"] .api-key-label { color: #6366f1; }
  [data-theme="light"] .api-key-value { color: #4a5568; }
  [data-theme="light"] .copy-btn { background: #6366f1; color: #fff; }

  /* Topbar */
  [data-theme="light"] .topbar { background: #fff; box-shadow: 0 1px 0 #dde3ec; }
  [data-theme="light"] .page-title { color: #1a202c; }
  [data-theme="light"] .search-box { background: #f4f6fb; color: #1a202c; border-color: #dde3ec; }
  [data-theme="light"] .search-box::placeholder { color: #a0aec0; }
  [data-theme="light"] .btn-ghost { color: #4a5568; border-color: #dde3ec; background: #fff; }
  [data-theme="light"] .btn-ghost:hover { border-color: #6366f1; color: #6366f1; }

  /* Główne przyciski */
  [data-theme="light"] .btn-primary { background: #6366f1; color: #fff; }
  [data-theme="light"] .btn-primary:hover { background: #4f46e5; }
  [data-theme="light"] .btn-danger { background: #dc2626; color: #fff; }

  /* Karty */
  [data-theme="light"] .card { background: #fff; border-color: #dde3ec; box-shadow: 0 1px 4px rgba(0,0,0,0.06); }
  [data-theme="light"] .card-header { border-bottom-color: #eef1f7; }
  [data-theme="light"] .card-title { color: #718096; }

  /* Tabele */
  [data-theme="light"] th { background: #f4f6fb; color: #718096; }
  [data-theme="light"] td { color: #1a202c; border-bottom-color: #eef1f7; }
  [data-theme="light"] tr:hover td { background: #f8f9fc; }

  /* KPI */
  [data-theme="light"] .kpi-card { background: #fff; border-color: #dde3ec; }
  [data-theme="light"] .kpi-card.yellow::before { background: #6366f1; }
  [data-theme="light"] .kpi-label { color: #718096; }
  [data-theme="light"] .kpi-value { color: #1a202c; }
  [data-theme="light"] .kpi-change { color: #718096; }
  [data-theme="light"] .kpi-change.up { color: #16a34a; }
  [data-theme="light"] .kpi-change.down { color: #dc2626; }

  /* Kontakty */
  [data-theme="light"] .contact-name { color: #1a202c; }
  [data-theme="light"] .contact-email { color: #4a5568; }
  [data-theme="light"] .score-bar { background: #eef1f7; }
  [data-theme="light"] .score-fill { background: #6366f1; }

  /* Tagi statusów */
  [data-theme="light"] .tag { color: #4a5568; background: #eef1f7; }
  [data-theme="light"] .tag-lead    { background: rgba(37,99,235,0.1);  color: #1d4ed8; }
  [data-theme="light"] .tag-customer{ background: rgba(22,163,74,0.1);  color: #15803d; }
  [data-theme="light"] .tag-partner { background: rgba(99,102,241,0.1); color: #4f46e5; }
  [data-theme="light"] .tag-hot     { background: rgba(194,65,12,0.1);  color: #c2410c; }
  [data-theme="light"] .tag-cold    { background: rgba(113,128,150,0.1);color: #4a5568; }

  /* Formularze */
  [data-theme="light"] .form-label { color: #4a5568; }
  [data-theme="light"] .form-input,
  [data-theme="light"] .form-select,
  [data-theme="light"] .form-textarea {
    background: #f4f6fb; color: #1a202c; border-color: #dde3ec;
  }
  [data-theme="light"] .form-input::placeholder,
  [data-theme="light"] .form-textarea::placeholder { color: #a0aec0; }
  [data-theme="light"] .form-input:focus,
  [data-theme="light"] .form-select:focus,
  [data-theme="light"] .form-textarea:focus { background: #fff; border-color: #6366f1; box-shadow: 0 0 0 3px rgba(99,102,241,0.1); }
  [data-theme="light"] .form-select option { background: #fff; color: #1a202c; }

  /* Modale */
  [data-theme="light"] .modal-overlay { background: rgba(0,0,0,0.4); }
  [data-theme="light"] .modal { background: #fff; box-shadow: 0 8px 40px rgba(0,0,0,0.15); }
  [data-theme="light"] .modal-header { border-bottom-color: #eef1f7; }
  [data-theme="light"] .modal-title { color: #1a202c; }
  [data-theme="light"] .modal-close { color: #718096; }
  [data-theme="light"] .modal-close:hover { color: #1a202c; }
  [data-theme="light"] .modal-footer { border-top-color: #eef1f7; }

  /* Pipeline */
  [data-theme="light"] .pipeline { background: transparent; }
  [data-theme="light"] .pipe-col { background: #f4f6fb; border-color: #dde3ec; }
  [data-theme="light"] .pipe-head { color: #4a5568; }
  [data-theme="light"] .pipe-count { background: #fff; color: #718096; border: 1px solid #dde3ec; }
  [data-theme="light"] .pipe-card { background: #fff; border-color: #dde3ec; box-shadow: 0 1px 4px rgba(0,0,0,0.07); }
  [data-theme="light"] .pipe-card:hover { border-color: #6366f1; }
  [data-theme="light"] .pipe-card-meta { color: #718096; }
  [data-theme="light"] .pipe-card-value { color: #4f46e5; font-weight: 700; }
  [data-theme="light"] .stage-new { color: #2563eb; }
  [data-theme="light"] .stage-qualified { color: #6366f1; }
  [data-theme="light"] .stage-proposal { color: #c2410c; }
  [data-theme="light"] .stage-negotiation { color: #dc2626; }
  [data-theme="light"] .stage-won { color: #16a34a; }
  [data-theme="light"] .revenue-forecast .tag { color: inherit; }

  /* Faktury */
  [data-theme="light"] .inv-paid    { background: rgba(22,163,74,0.1);  color: #15803d; }
  [data-theme="light"] .inv-pending { background: rgba(194,65,12,0.1);  color: #c2410c; }
  [data-theme="light"] .inv-overdue { background: rgba(220,38,38,0.1);  color: #b91c1c; }

  /* Linki i wartości akcentowe */
  [data-theme="light"] a { color: #6366f1; }
  [data-theme="light"] .accent-text,
  [data-theme="light"] .pipe-card-value,
  [data-theme="light"] .api-key-label { color: #6366f1; }

  /* Kod / API */
  [data-theme="light"] .code-block { background: #f4f6fb; color: #374151; border-color: #dde3ec; }
  [data-theme="light"] .code-block .key { color: #2563eb; }
  [data-theme="light"] .code-block .val { color: #16a34a; }
  [data-theme="light"] .code-block .str { color: #c2410c; }
  [data-theme="light"] .code-block .comment { color: #9ca3af; }
  [data-theme="light"] .method.get    { background: rgba(22,163,74,0.12); color: #15803d; }
  [data-theme="light"] .method.post   { background: rgba(37,99,235,0.12); color: #1d4ed8; }
  [data-theme="light"] .method.put    { background: rgba(194,65,12,0.12); color: #c2410c; }
  [data-theme="light"] .method.delete { background: rgba(220,38,38,0.12); color: #b91c1c; }
  [data-theme="light"] .endpoint-name { color: #1a202c; }
  [data-theme="light"] .endpoint-summary { color: #718096; }
  [data-theme="light"] .int-type { color: #718096; }
  [data-theme="light"] .int-desc { color: #4a5568; }

  /* Zadania */
  [data-theme="light"] .task-text { color: #1a202c; }
  [data-theme="light"] .task-priority.high   { color: #dc2626; }
  [data-theme="light"] .task-priority.medium { color: #c2410c; }
  [data-theme="light"] .task-priority.low    { color: #16a34a; }

  /* Aktywność */
  [data-theme="light"] .activity-dot { background: #6366f1; }
  [data-theme="light"] .activity-text { color: #1a202c; }
  [data-theme="light"] .activity-time { color: #718096; }

  /* Nawigacja mobilna dolna */
  [data-theme="light"] .mobile-bottom-nav { background: #fff; border-top-color: #dde3ec; box-shadow: 0 -1px 8px rgba(0,0,0,0.06); }
  [data-theme="light"] .mbn-item { color: #718096; }
  [data-theme="light"] .mbn-item.active { color: #6366f1; }
  [data-theme="light"] .mbn-label { color: inherit; }

  /* Scrollbar */
  [data-theme="light"] ::-webkit-scrollbar-track { background: #f4f6fb; }
  [data-theme="light"] ::-webkit-scrollbar-thumb { background: #c5cdd8; }

  /* Toggle motywu */
  [data-theme="light"] .theme-toggle-btn { color: #4a5568; border-color: #dde3ec; }
  [data-theme="light"] .theme-toggle-btn:hover { border-color: #6366f1; color: #6366f1; }

  /* Logout btn */
  [data-theme="light"] .sidebar button[onclick="doLogout()"] { color: #8892a8 !important; border-color: #3a4255 !important; }

  /* Awatary inicjałów — kolor tekstu biały (na kolorowym tle) */
  [data-theme="light"] .contact-avatar,
  [data-theme="light"] .company-avatar,
  [data-theme="light"] .client-avatar-lg { color: #fff; }

  /* Badge zielony — biały tekst na zielonym tle */
  [data-theme="light"] .badge.green { color: #fff; }

  /* btn-primary — białe litery na indygo */
  [data-theme="light"] .btn-primary { color: #fff; }

  /* Toast — indygo zamiast żółtego */
  [data-theme="light"] #toast { background: #6366f1; color: #fff; }

  /* Zakładki klienta i etapów — usuń żółte tło aktywnej zakładki */
  [data-theme="light"] .client-tab { color: #718096; border-bottom-color: transparent; }
  [data-theme="light"] .client-tab:hover { color: #1a202c; }
  [data-theme="light"] .client-tab.active { color: #6366f1; border-bottom-color: #6366f1; background: transparent; }
  [data-theme="light"] .sales-stage-item { color: #718096; }
  [data-theme="light"] .sales-stage-item:hover { color: #1a202c; background: rgba(0,0,0,0.02); }
  [data-theme="light"] .sales-stage-item.active { color: #6366f1; border-bottom-color: #6366f1; background: rgba(99,102,241,0.06); }

  /* Numer faktury i wartości monospacowe */
  [data-theme="light"] .invoice-number { color: #4f46e5; }
  [data-theme="light"] .invoice-row { border-bottom-color: #eef1f7; }
  [data-theme="light"] .invoice-row:hover { background: #f8f9fc; }

  /* Linki w tabelach (nazwa klienta/firmy) */
  [data-theme="light"] .contact-name { color: #1a202c; }
  [data-theme="light"] .contact-name[onclick],
  [data-theme="light"] [style*="color:var(--accent)"] { color: #6366f1 !important; }

  /* Timeline — kropki i linie */
  [data-theme="light"] .timeline-item { border-bottom-color: #eef1f7; }
  [data-theme="light"] .timeline-dot { background: #6366f1; }

  /* Stopka ustawień faktury preview */
  [data-theme="light"] .s-inv-preview { background: #f4f6fb; border-color: #dde3ec; color: #1a202c; }

  /* Przycisk toggle motywu */
  .theme-toggle-btn {
    background: transparent;
    border: 1px solid var(--border);
    border-radius: 20px;
    width: 34px; height: 34px;
    cursor: pointer;
    font-size: 15px;
    color: var(--text2);
    display: flex; align-items: center; justify-content: center;
    transition: all 0.15s;
    flex-shrink: 0;
    padding: 0;
    line-height: 1;
  }
  .theme-toggle-btn:hover { border-color: var(--accent); color: var(--accent); }

  /* ============================================================
     MOBILE NAVIGATION (hidden on desktop)
     ============================================================ */
  .mobile-bottom-nav {
    display: none;
    position: fixed; bottom: 0; left: 0; right: 0;
    height: 56px;
    background: var(--dark);
    border-top: 1px solid var(--border);
    z-index: 250;
    padding: 0 4px;
    padding-bottom: env(safe-area-inset-bottom, 0px);
  }
  .mbn-item {
    flex: 1;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 2px; cursor: pointer; color: var(--text2);
    padding: 4px 2px; border-top: 2px solid transparent;
    position: relative; user-select: none; transition: color 0.15s;
  }
  .mbn-item.active { color: var(--accent); border-top-color: var(--accent); }
  .mbn-item:hover { color: var(--text); }
  .mbn-icon { font-size: 18px; line-height: 1; }
  .mbn-label { font-size: 9px; font-weight: 700; text-transform: uppercase; letter-spacing: 0.3px; }
  .mbn-badge {
    position: absolute; top: 4px; right: calc(50% - 18px);
    background: var(--accent2); color: #fff;
    font-size: 8px; font-weight: 700; border-radius: 8px;
    padding: 0 4px; min-width: 14px; height: 14px; line-height: 14px; text-align: center;
  }
  #mobile-sidebar-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.65); z-index: 299;
  }
  #mobile-sidebar-overlay.visible { display: block; }
  .mobile-menu-btn {
    display: none; background: none; border: none;
    color: var(--text2); font-size: 22px; cursor: pointer;
    padding: 4px 8px; line-height: 1; flex-shrink: 0;
  }
  .mobile-menu-btn:hover { color: var(--text); }
  .sidebar { transition: transform 0.28s cubic-bezier(.4,0,.2,1); }

  /* ============================================================
     RESPONSIVE — 768px
     ============================================================ */
  @media (max-width: 768px) {
    body { overflow: hidden; }

    /* Sidebar → slide-in drawer */
    .sidebar {
      position: fixed; top: 0; left: 0; bottom: 0;
      z-index: 300; width: 270px;
      transform: translateX(-100%);
      box-shadow: 6px 0 24px rgba(0,0,0,.5);
    }
    .sidebar.mobile-open { transform: translateX(0); }

    /* Main: full width */
    .main { width: 100%; }

    /* Show mobile-only elements */
    .mobile-menu-btn { display: flex !important; align-items: center; }
    .mobile-bottom-nav { display: flex !important; }

    /* Topbar */
    .topbar { padding: 0 10px; gap: 8px; }
    .topbar .search-box { flex: 1; width: auto; min-width: 0; font-size: 11px; }
    .topbar-actions { gap: 6px; }
    .topbar .btn-ghost { display: none; }
    .topbar .btn-primary { font-size: 11px; padding: 6px 10px; }
    .page-title { font-size: 17px; }

    /* Views */
    .view { padding: 10px 10px 72px; }

    /* KPI: 2×2 */
    .kpi-grid { grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
    .kpi-card { padding: 12px 10px; }
    .kpi-value { font-size: 24px; }
    .kpi-change { font-size: 10px; }

    /* Dashboard: single column */
    .dash-grid { grid-template-columns: 1fr; gap: 10px; }

    /* Tables */
    .card { overflow-x: auto; }
    th { padding: 8px 8px; font-size: 9px; }
    td { padding: 9px 8px; font-size: 12px; }

    /* Contacts table — keep: Kontakt(1), Status(2), Akcje(8) */
    #contacts-table th:nth-child(n+3):nth-child(-n+7),
    #contacts-table td:nth-child(n+3):nth-child(-n+7) { display: none; }

    /* Companies table — keep: Firma(1), NIP(2), Akcje(8) */
    #companies-table th:nth-child(n+3):nth-child(-n+7),
    #companies-table td:nth-child(n+3):nth-child(-n+7) { display: none; }

    /* Products table — keep: Kod(1),Nazwa(2),Kategoria(3),Cena netto(6),Akcje(9). Hide: Producent(4),j.m.(5),VAT(7),brutto(8) */
    #products-table-wrap th:nth-child(4), #products-table-wrap td:nth-child(4),
    #products-table-wrap th:nth-child(5), #products-table-wrap td:nth-child(5),
    #products-table-wrap th:nth-child(7), #products-table-wrap td:nth-child(7),
    #products-table-wrap th:nth-child(8), #products-table-wrap td:nth-child(8) { display: none; }

    /* Contracts table — keep: Tytuł(1), Status(4), Akcje(9). Hide: Firma(2),Klient(3),Od(5),Do(6),Wartość(7),Plik(8) */
    #contracts-table-wrap th:nth-child(2), #contracts-table-wrap td:nth-child(2),
    #contracts-table-wrap th:nth-child(3), #contracts-table-wrap td:nth-child(3),
    #contracts-table-wrap th:nth-child(5), #contracts-table-wrap td:nth-child(5),
    #contracts-table-wrap th:nth-child(6), #contracts-table-wrap td:nth-child(6),
    #contracts-table-wrap th:nth-child(7), #contracts-table-wrap td:nth-child(7),
    #contracts-table-wrap th:nth-child(8), #contracts-table-wrap td:nth-child(8) { display: none; }

    /* Form rows: single column */
    .form-row { grid-template-columns: 1fr; gap: 10px; }

    /* Modals: bottom sheet */
    .modal-overlay { align-items: flex-end; }
    .modal {
      width: 100% !important; max-width: 100% !important;
      max-height: 90vh;
      border-radius: 16px 16px 0 0 !important;
      border-left: none; border-right: none; border-bottom: none;
    }
    .modal-header { position: relative; padding-top: 22px; }
    .modal-header::before {
      content: ''; display: block;
      width: 36px; height: 4px;
      background: var(--border); border-radius: 2px;
      position: absolute; top: 8px; left: 50%; transform: translateX(-50%);
    }

    /* Client card */
    .client-card-header { flex-direction: column; gap: 10px; padding: 12px; }
    .client-header-actions { width: 100%; flex-wrap: wrap; gap: 6px; }
    .client-tabs { overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
    .client-tabs::-webkit-scrollbar { display: none; }
    .client-tab { padding: 8px 12px; white-space: nowrap; font-size: 10px; }

    /* Sales stages: scrollable */
    .sales-stages { overflow-x: auto; scrollbar-width: none; }
    .sales-stages::-webkit-scrollbar { display: none; }
    .sales-stage-item { min-width: 60px; padding: 10px 4px; font-size: 9px; }

    /* Integrations: single column */
    .int-grid { grid-template-columns: 1fr; }

    /* Pipeline: allow scroll */
    .pipe-col { min-width: 200px; }

    /* Tasks / Emails: full width */
    #view-tasks > div, #view-emails > div { max-width: 100%; }

    /* Toast: above bottom nav */
    #toast { bottom: 66px; right: 10px; left: 10px; text-align: center; }
  }