* { margin: 0; padding: 0; box-sizing: border-box; }
    :root {
      --bg: #0b0e14;
      --bg-2: #141a24;
      --bg-3: #1e2735;
      --text: #f0f2f8;
      --text-dim: #8896b0;
      --border: #28303f;
      --primary: #6366f1;
      --primary-hover: #818cf8;
      --success: #10b981;
      --warning: #f59e0b;
      --danger: #ef4444;
      --radius: 12px;
      --shadow: 0 8px 30px rgba(0,0,0,0.6);
    }
    .theme-light {
      --bg: #f1f5f9;
      --bg-2: #ffffff;
      --bg-3: #e9eef3;
      --text: #0f172a;
      --text-dim: #475569;
      --border: #d1d9e6;
      --shadow: 0 8px 30px rgba(0,0,0,0.08);
    }
    body {
      background: var(--bg);
      color: var(--text);
      font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
      min-height: 100vh;
      transition: background 0.2s, color 0.2s;
    }
    input, select, textarea, button {
      font-family: inherit;
      font-size: inherit;
    }
    .hidden { display: none !important; }
    .muted { color: var(--text-dim); }
    .error-msg { color: var(--danger); font-size: 13px; margin-top: 6px; }

    /* LOGIN */
    .login-screen {
      display: flex;
      align-items: center;
      justify-content: center;
      min-height: 100vh;
      padding: 20px;
      position: relative;
    }
    .login-bg {
      position: absolute;
      inset: 0;
      background: radial-gradient(circle at 30% 40%, #1e293b, #0b0e14);
      opacity: 0.6;
      z-index: 0;
    }
    .theme-light .login-bg {
      background: radial-gradient(circle at 30% 40%, #cbd5e1, #e2e8f0);
      opacity: 0.3;
    }
    .login-card {
      background: var(--bg-2);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 40px 32px;
      max-width: 400px;
      width: 100%;
      box-shadow: var(--shadow);
      position: relative;
      z-index: 1;
    }
    .brand { display: flex; align-items: center; gap: 12px; margin-bottom: 28px; }
    .brand-mark {
      width: 42px; height: 42px;
      background: var(--primary);
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 20px;
      color: #fff;
    }
    .brand h1 { font-size: 22px; font-weight: 600; }
    .brand p { font-size: 13px; color: var(--text-dim); }
    .login-card label { display: block; font-size: 13px; font-weight: 500; margin: 12px 0 4px; }
    .login-card input {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border);
      border-radius: 10px;
      background: var(--bg);
      color: var(--text);
      outline: none;
    }
    .login-card input:focus { border-color: var(--primary); }
    .btn-primary {
      background: var(--primary);
      color: #fff;
      border: none;
      padding: 12px 20px;
      border-radius: 10px;
      font-weight: 600;
      cursor: pointer;
      transition: 0.2s;
      width: 100%;
      margin-top: 18px;
    }
    .btn-primary:hover { background: var(--primary-hover); }

    /* APP LAYOUT */
    .app {
      display: flex;
      min-height: 100vh;
    }
    .sidebar {
      width: 240px;
      background: var(--bg-2);
      border-right: 1px solid var(--border);
      padding: 20px 16px;
      display: flex;
      flex-direction: column;
      flex-shrink: 0;
      position: sticky;
      top: 0;
      height: 100vh;
      overflow-y: auto;
    }
    .sidebar-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 18px;
      font-weight: 700;
      padding-bottom: 20px;
      border-bottom: 1px solid var(--border);
    }
    .nav {
      flex: 1;
      margin-top: 20px;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }
    .nav-item {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 10px 14px;
      border-radius: 10px;
      border: none;
      background: transparent;
      color: var(--text-dim);
      cursor: pointer;
      font-weight: 500;
      transition: 0.15s;
      width: 100%;
      text-align: left;
    }
    .nav-item:hover { background: var(--bg-3); color: var(--text); }
    .nav-item.active { background: var(--primary); color: #fff; }
    .nav-item .icon { font-size: 18px; width: 24px; }

    .sidebar-foot {
      border-top: 1px solid var(--border);
      padding-top: 16px;
      margin-top: 8px;
    }
    .user-pill {
      display: flex;
      align-items: center;
      gap: 12px;
      padding: 8px 10px;
      border-radius: 10px;
      background: var(--bg);
    }
    .avatar {
      width: 36px; height: 36px;
      border-radius: 50%;
      background: var(--primary);
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 600;
      font-size: 14px;
      flex-shrink: 0;
    }
    .u-name { font-weight: 600; font-size: 14px; }
    .u-role { font-size: 12px; color: var(--text-dim); }
    .btn-ghost {
      background: transparent;
      border: 1px solid var(--border);
      color: var(--text);
      padding: 8px 14px;
      border-radius: 8px;
      cursor: pointer;
      transition: 0.15s;
    }
    .btn-ghost:hover { background: var(--bg-3); }
    .btn-ghost.full { width: 100%; margin-top: 10px; }

    .content {
      flex: 1;
      padding: 24px 28px 60px;
      overflow-y: auto;
    }
    .topbar {
      display: flex;
      justify-content: space-between;
      align-items: flex-start;
      margin-bottom: 28px;
      flex-wrap: wrap;
      gap: 12px;
    }
    .topbar h2 { font-size: 26px; font-weight: 700; }
    .top-actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

    /* STATS */
    .stat-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 14px;
      margin-bottom: 20px;
    }
    .stat-grid.compact .stat-card { padding: 14px 18px; }
    .stat-card {
      background: var(--bg-2);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 18px 22px;
      display: flex;
      align-items: center;
      gap: 14px;
    }
    .stat-icon {
      width: 44px; height: 44px;
      border-radius: 10px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      flex-shrink: 0;
    }
    .stat-num { font-size: 24px; font-weight: 700; }
    .stat-label { font-size: 13px; color: var(--text-dim); }

    .grid-2 {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-top: 8px;
    }
    @media (max-width: 760px) { .grid-2 { grid-template-columns: 1fr; } }

    .panel {
      background: var(--bg-2);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 18px 20px;
    }
    .panel-head { display: flex; justify-content: space-between; margin-bottom: 14px; }
    .panel-head h3 { font-size: 16px; font-weight: 600; }

    /* TASKS */
    .filters-bar {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr 1fr;
      gap: 10px;
      margin-bottom: 18px;
      align-items: end;
    }
    .filters-bar select {
      background: var(--bg-2);
      border: 1px solid var(--border);
      border-radius: 10px;
      padding: 10px 12px;
      color: var(--text);
      outline: none;
    }
    .tasks { display: flex; flex-direction: column; gap: 10px; }
    .task {
      background: var(--bg-2);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 14px 18px;
      transition: 0.15s;
    }
    .task:hover { border-color: var(--primary); }
    .task-head { display: flex; justify-content: space-between; gap: 12px; }
    .task-title { font-weight: 600; font-size: 15px; }
    .task-meta { display: flex; flex-wrap: wrap; gap: 8px 16px; font-size: 13px; color: var(--text-dim); margin-top: 4px; }
    .task-desc { margin-top: 8px; font-size: 14px; color: var(--text-dim); }
    .task-actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 12px; }

    .badge {
      font-size: 12px;
      font-weight: 600;
      padding: 4px 12px;
      border-radius: 20px;
      white-space: nowrap;
      height: fit-content;
    }
    .badge-new { background: #6366f1; color: #fff; }
    .badge-in_progress { background: #f59e0b; color: #000; }
    .badge-pending_approval { background: #8b5cf6; color: #fff; }
    .badge-approved { background: #10b981; color: #fff; }
    .badge-rejected { background: #ef4444; color: #fff; }
    .badge-done { background: #64748b; color: #fff; }

    .btn-sm {
      padding: 4px 12px;
      font-size: 12px;
      border-radius: 6px;
      border: none;
      cursor: pointer;
      font-weight: 500;
    }
    .btn-success { background: var(--success); color: #fff; }
    .btn-danger { background: var(--danger); color: #fff; }
    .btn-warning { background: var(--warning); color: #000; }

    .zip-badge { background: var(--bg-3); padding: 2px 10px; border-radius: 12px; font-size: 12px; }

    /* WORKERS */
    .workers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
      gap: 16px;
    }
    .worker-card {
      background: var(--bg-2);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 16px;
    }
    .worker-head { display: flex; gap: 12px; align-items: center; margin-bottom: 12px; }
    .worker-name { font-weight: 600; }
    .worker-pos { font-size: 13px; color: var(--text-dim); }
    .worker-creds {
      background: var(--bg);
      border-radius: 8px;
      padding: 8px 12px;
      font-size: 13px;
      display: flex;
      flex-direction: column;
      gap: 4px;
      margin-bottom: 10px;
    }
    .worker-creds > div { display: flex; justify-content: space-between; }
    .worker-stats {
      display: grid;
      grid-template-columns: 1fr 1fr 1fr 1fr;
      gap: 6px;
      text-align: center;
      margin: 10px 0 12px;
    }
    .worker-stats b { display: block; font-size: 18px; }
    .worker-stats small { font-size: 11px; color: var(--text-dim); }
    .worker-actions { display: flex; gap: 6px; flex-wrap: wrap; }

    /* MODAL */
    .modal {
      position: fixed;
      inset: 0;
      background: rgba(0,0,0,0.6);
      backdrop-filter: blur(4px);
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 20px;
      z-index: 1000;
    }
    .modal.hidden { display: none; }
    .modal-card {
      background: var(--bg-2);
      border-radius: var(--radius);
      max-width: 560px;
      width: 100%;
      box-shadow: var(--shadow);
      border: 1px solid var(--border);
    }
    .modal-head {
      display: flex;
      justify-content: space-between;
      padding: 16px 20px;
      border-bottom: 1px solid var(--border);
    }
    .modal-head h3 { font-size: 18px; }
    .x { background: none; border: none; color: var(--text-dim); font-size: 24px; cursor: pointer; }
    .modal-body { padding: 16px 20px; }
    .modal-body label { display: block; font-size: 13px; font-weight: 500; margin: 10px 0 4px; }
    .modal-body input, .modal-body select, .modal-body textarea {
      width: 100%;
      padding: 10px 12px;
      border: 1px solid var(--border);
      border-radius: 8px;
      background: var(--bg);
      color: var(--text);
      outline: none;
    }
    .modal-body textarea { resize: vertical; }
    .modal-foot {
      display: flex;
      justify-content: flex-end;
      gap: 10px;
      padding: 12px 20px 18px;
      border-top: 1px solid var(--border);
    }
    .pwd-row { display: flex; gap: 8px; }
    .pwd-row input { flex: 1; }

    /* FILE UPLOAD */
    .file-upload-area {
      border: 2px dashed var(--border);
      border-radius: var(--radius);
      padding: 30px 20px;
      text-align: center;
      cursor: pointer;
      transition: 0.15s;
    }
    .file-upload-area.dragover { border-color: var(--primary); background: var(--bg-3); }
    .file-upload-area .icon { font-size: 32px; display: block; }
    .file-upload-area .text { color: var(--text-dim); }
    .file-list { margin-top: 10px; }
    .file-item {
      display: flex;
      justify-content: space-between;
      padding: 6px 10px;
      background: var(--bg);
      border-radius: 6px;
    }

    /* WORKLOAD */
    .workload-row {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 4px 0;
    }
    .workload-row .name { width: 80px; font-size: 13px; }
    .workload-row .bar { flex: 1; height: 6px; background: var(--bg-3); border-radius: 4px; overflow: hidden; }
    .workload-row .bar-fill { height: 100%; background: var(--primary); border-radius: 4px; }
    .workload-row .count { font-size: 13px; font-weight: 600; width: 24px; text-align: right; }

    .empty { text-align: center; padding: 30px 0; color: var(--text-dim); }
    .empty-icon { font-size: 40px; display: block; margin-bottom: 8px; }

    /* TOAST */
    .toast {
      position: fixed;
      bottom: 30px;
      left: 50%;
      transform: translateX(-50%) translateY(80px);
      background: var(--bg-2);
      border: 1px solid var(--border);
      padding: 12px 28px;
      border-radius: 12px;
      box-shadow: var(--shadow);
      font-weight: 500;
      opacity: 0;
      transition: 0.3s;
      pointer-events: none;
      z-index: 9999;
    }
    .toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }
    .toast.error { border-color: var(--danger); color: var(--danger); }

    /* FINANCE AMOUNT */
    .fin-amount.income { color: var(--success); }
    .fin-amount.expense { color: var(--danger); }
    .type-income { border-left: 3px solid var(--success); }
    .type-expense { border-left: 3px solid var(--danger); }

    @media (max-width: 700px) {
      .sidebar { width: 60px; padding: 12px 8px; }
      .sidebar-brand span, .nav-item span:last-child, .user-pill div, .sidebar-foot .btn-ghost.full { display: none; }
      .sidebar-brand .brand-mark { margin: 0 auto; }
      .nav-item { justify-content: center; padding: 10px; }
      .nav-item .icon { margin: 0; }
      .content { padding: 16px; }
      .filters-bar { grid-template-columns: 1fr 1fr; }
    }