:root {
    --bg: #04151F; --surface: #0c2420; --surface2: #183A37;
    --border: #2a4f4a; --accent: #C44900; --accent2: #432534;
    --text: #EFD6AC; --text2: #8a7d60;
    --green: #5a9e74; --yellow: #e8a820; --red: #9b2020; --blue: #4a8090;
    --orange: #C44900; --plum: #432534;
  }
  * { box-sizing: border-box; margin: 0; padding: 0; }
  body { font-family: 'Segoe UI', Arial, sans-serif; background: var(--bg); color: var(--text); min-height: 100vh; direction: rtl; }

  /* UPLOAD */
  #upload-screen { display: flex; flex-direction: column; align-items: center; justify-content: center; min-height: 100vh; padding: 2rem; }
  .logo { font-size: 3rem; margin-bottom: 1rem; }
  .upload-title { font-size: 1.8rem; font-weight: 700; margin-bottom: 0.5rem; background: linear-gradient(135deg, #C44900, #EFD6AC); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
  .upload-subtitle { color: var(--text2); margin-bottom: 2.5rem; }
  #drop-zone { width: 100%; max-width: 500px; border: 2px dashed var(--border); border-radius: 16px; padding: 3rem 2rem; text-align: center; cursor: pointer; transition: all 0.2s; background: var(--surface); }
  #drop-zone:hover, #drop-zone.drag-over { border-color: var(--accent); background: var(--surface2); }
  #drop-zone .icon { font-size: 3rem; margin-bottom: 1rem; }
  #drop-zone p { color: var(--text2); margin-bottom: 1rem; }

  /* BUTTONS */
  .btn { display: inline-flex; align-items: center; gap: 0.4rem; padding: 0.6rem 1.2rem; border-radius: 8px; border: none; cursor: pointer; font-size: 0.88rem; font-weight: 600; transition: all 0.15s; text-decoration: none; }
  .btn-primary { background: var(--accent); color: #EFD6AC; }
  .btn-primary:hover { background: #a03a00; }
  .btn-outline { background: transparent; border: 1.5px solid var(--border); color: var(--text2); }
  .btn-outline:hover { border-color: var(--accent); color: var(--accent); }
  .btn-green { background: var(--accent); color: #EFD6AC; }
  .btn-green:hover { background: #a03a00; }
  .btn-sm { padding: 0.32rem 0.7rem; font-size: 0.78rem; }
  #file-input, #file-input-update { display: none; }

  /* HEADER */
  #app-screen { display: none; min-height: 100vh; }
  header { background: var(--surface); border-bottom: 1px solid var(--border); padding: 0 1.5rem; display: flex; align-items: center; justify-content: space-between; height: 60px; position: sticky; top: 0; z-index: 100; }
  .header-left { display: flex; align-items: center; gap: 1rem; }
  .header-logo { font-size: 1.4rem; }
  .header-title { font-weight: 700; font-size: 1.1rem; }
  .header-month { color: var(--text2); font-size: 0.82rem; }
  .employee-badge { background: var(--accent); color: white; padding: 0.25rem 0.75rem; border-radius: 20px; font-size: 0.85rem; font-weight: 600; cursor: pointer; }

  /* TABS */
  .tabs { display: flex; border-bottom: 1px solid var(--border); background: var(--surface); padding: 0 1.5rem; overflow-x: auto; }
  .tab { padding: 0.75rem 1.1rem; cursor: pointer; color: var(--text2); font-size: 0.88rem; border-bottom: 2px solid transparent; transition: all 0.15s; white-space: nowrap; display: flex; align-items: center; gap: 0.4rem; }
  .tab:hover { color: var(--text); }
  .tab.active { color: var(--accent); border-bottom-color: var(--accent); }
  .badge { background: var(--red); color: white; border-radius: 10px; padding: 1px 6px; font-size: 0.7rem; font-weight: 700; }

  /* LAYOUT */
  .content { padding: 1.5rem; max-width: 1200px; margin: 0 auto; }
  .tab-content { display: none; }
  .tab-content.active { display: block; }

  /* STATS */
  .stats-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 1rem; margin-bottom: 1.5rem; }
  .stat-card { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 1rem 1.2rem; }
  .stat-label { font-size: 0.76rem; color: var(--text2); margin-bottom: 0.3rem; }
  .stat-value { font-size: 1.7rem; font-weight: 700; }
  .stat-value.accent { color: var(--accent); }
  .stat-value.green { color: var(--green); }
  .stat-value.yellow { color: var(--yellow); }
  .stat-value.blue { color: var(--blue); }
  .stat-value.orange { color: var(--orange); }

  /* CALENDAR */
  .calendar-grid { background: var(--surface); border: 1px solid var(--border); border-radius: 12px; overflow: hidden; margin-bottom: 1.5rem; }
  .cal-header { display: grid; grid-template-columns: repeat(7, 1fr); background: var(--surface2); }
  .cal-day-name { padding: 0.6rem; text-align: center; font-size: 0.78rem; color: var(--text2); font-weight: 600; border-left: 1px solid var(--border); }
  .cal-body { display: grid; grid-template-columns: repeat(7, 1fr); }
  .cal-cell { min-height: 90px; border-left: 1px solid var(--border); border-top: 1px solid var(--border); padding: 0.4rem; }
  .cal-cell.empty { background: var(--bg); opacity: 0.3; }
  .cal-cell.today { background: rgba(196,73,0,0.1); }
  .cal-date { font-size: 0.78rem; color: var(--text2); margin-bottom: 0.3rem; font-weight: 600; }
  .cal-cell.today .cal-date { color: var(--accent); }
  .cal-event { font-size: 0.68rem; padding: 2px 5px; border-radius: 4px; margin-bottom: 2px; cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; line-height: 1.5; }
  .cal-event:hover { opacity: 0.8; }

  /* ACTION TYPE COLORS — Halloween palette */
  .type-ע  { background: rgba(196,73,0,0.2);    color: #e06030; border-right: 3px solid #C44900; }
  .type-הפ { background: rgba(67,37,52,0.5);    color: #c48ab0; border-right: 3px solid #432534; }
  .type-הק { background: rgba(232,168,32,0.2);  color: #e8a820; border-right: 3px solid #e8a820; }
  .type-ה  { background: rgba(24,58,55,0.6);    color: #7ec4ba; border-right: 3px solid #183A37; }
  .type-פר { background: rgba(90,158,116,0.2);  color: #5a9e74; border-right: 3px solid #5a9e74; }
  .type-חז { background: rgba(155,100,50,0.2);  color: #c8966a; border-right: 3px solid #c8966a; }
  .type-other { background: rgba(138,125,96,0.15); color: var(--text2); border-right: 3px solid var(--text2); }

  /* EVENT LIST */
  .event-list { display: flex; flex-direction: column; gap: 0.6rem; }
  .event-card { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 0.85rem 1.1rem; display: flex; align-items: center; gap: 1rem; cursor: pointer; transition: border-color 0.15s; }
  .event-card:hover { border-color: var(--accent); }
  .event-card.has-constraint { border-color: var(--yellow) !important; }
  .event-date-box { min-width: 50px; text-align: center; background: var(--surface2); border-radius: 8px; padding: 0.4rem; }
  .event-date-day { font-size: 1.3rem; font-weight: 700; line-height: 1; }
  .event-date-month { font-size: 0.68rem; color: var(--text2); }
  .event-info { flex: 1; min-width: 0; }
  .event-show { font-weight: 600; font-size: 0.92rem; margin-bottom: 0.2rem; }
  .event-meta { font-size: 0.78rem; color: var(--text2); display: flex; gap: 0.7rem; flex-wrap: wrap; align-items: center; }
  .event-type-pill { display: inline-block; font-size: 0.7rem; padding: 2px 7px; border-radius: 10px; font-weight: 700; }
  .event-actions { display: flex; gap: 0.4rem; flex-shrink: 0; }

  /* ASSIGNMENT CHIP */
  .chip { display: inline-flex; align-items: center; gap: 4px; font-size: 0.72rem; padding: 2px 7px; border-radius: 6px; font-weight: 600; }
  .chip-operator     { background: rgba(196,73,0,0.2);   color: #e06030; }
  .chip-operate-only { background: rgba(90,158,116,0.2); color: #5a9e74; }
  .chip-setup        { background: rgba(24,58,55,0.5);   color: #7ec4ba; }
  .chip-cancelled{ background: rgba(67,37,52,0.5);   color: #c48ab0; }
  .chip-trucks   { background: rgba(232,168,32,0.2); color: var(--yellow); }
  .chip-constraint { background: rgba(232,168,32,0.25); color: var(--yellow); border: 1px solid var(--yellow); }
  .chip-unknown  { background: rgba(138,125,96,0.2); color: var(--text2); }

  /* SALARY TAB */
  .salary-section { margin-bottom: 2rem; }
  .section-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; }
  .section-title { font-size: 0.78rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.06em; color: var(--text2); }

  .seniority-table-wrap { overflow-x: auto; margin-bottom: 1.5rem; }
  .data-table { width: 100%; border-collapse: collapse; font-size: 0.85rem; }
  .data-table th { background: var(--surface2); padding: 0.55rem 0.9rem; border: 1px solid var(--border); font-weight: 600; color: var(--text2); white-space: nowrap; }
  .data-table td { padding: 0.5rem 0.9rem; border: 1px solid var(--border); vertical-align: middle; }
  .data-table tr:hover td { background: var(--surface2); }
  .data-table input[type=number] { background: var(--surface2); border: 1.5px solid var(--border); color: var(--text); padding: 0.3rem 0.5rem; border-radius: 6px; width: 90px; font-size: 0.85rem; text-align: center; }
  .data-table input[type=number]:focus { border-color: var(--accent); outline: none; }

  .salary-total { font-weight: 700; color: var(--green); font-size: 1rem; }
  .salary-unknown { color: var(--orange); font-size: 0.78rem; }

  /* TEAM TABLE */
  .team-table-wrap { overflow-x: auto; }
  .team-table { width: 100%; border-collapse: collapse; font-size: 0.8rem; min-width: 500px; }
  .team-table th { background: var(--surface2); padding: 0.55rem 0.7rem; border: 1px solid var(--border); font-weight: 600; color: var(--text2); white-space: nowrap; }
  .team-table td { padding: 0.5rem 0.7rem; border: 1px solid var(--border); }
  .team-table tr:hover td { background: var(--surface2); }
  .assign-chip { display: inline-block; border-radius: 4px; padding: 1px 5px; font-size: 0.72rem; font-weight: 600; }

  /* CHANGES */
  .changes-empty { text-align: center; padding: 3rem; color: var(--text2); }
  .change-item { background: var(--surface); border: 1px solid var(--border); border-radius: 10px; padding: 0.85rem 1.1rem; margin-bottom: 0.5rem; display: flex; align-items: flex-start; gap: 1rem; }
  .change-icon { font-size: 1.2rem; }
  .change-added   { border-right: 3px solid var(--green); }
  .change-removed { border-right: 3px solid var(--red); }
  .change-modified{ border-right: 3px solid var(--yellow); }

  /* MODAL */
  .modal-overlay { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.7); z-index: 200; align-items: center; justify-content: center; }
  .modal-overlay.open { display: flex; }
  .modal { background: var(--surface); border: 1px solid var(--border); border-radius: 16px; padding: 1.5rem; width: 92%; max-width: 500px; max-height: 85vh; overflow-y: auto; }
  .modal-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 1rem; }
  .modal-close { float: left; background: none; border: none; color: var(--text2); cursor: pointer; font-size: 1.2rem; }
  .modal-field { margin-bottom: 0.8rem; }
  .modal-label { font-size: 0.76rem; color: var(--text2); margin-bottom: 0.2rem; }
  .modal-value { font-size: 0.92rem; }
  .employee-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 0.5rem; margin-top: 0.5rem; }
  .emp-option { padding: 0.5rem; border: 1.5px solid var(--border); border-radius: 8px; text-align: center; cursor: pointer; font-size: 0.84rem; transition: all 0.15s; }
  .emp-option:hover { border-color: var(--accent); color: var(--accent); }
  .emp-option.selected { border-color: var(--accent); background: rgba(196,73,0,0.15); color: var(--accent); font-weight: 700; }

  /* MANDATORY PICKER — subtitle gets accent color to signal it's required */
  #emp-modal-subtitle[data-mandatory] { color: var(--accent); font-weight: 600; }

  /* LEGEND */
  .legend { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.2rem; padding: 0.75rem 1rem; background: var(--surface); border: 1px solid var(--border); border-radius: 10px; }
  .legend-item { display: flex; align-items: center; gap: 0.4rem; font-size: 0.78rem; color: var(--text2); }

  /* MISC */
  .toolbar { display: flex; gap: 0.75rem; align-items: center; margin-bottom: 1.2rem; flex-wrap: wrap; }
  select, input[type=text] { background: var(--surface2); border: 1.5px solid var(--border); color: var(--text); padding: 0.45rem 0.75rem; border-radius: 8px; font-size: 0.88rem; outline: none; direction: rtl; }
  select:focus, input[type=text]:focus { border-color: var(--accent); }
  .divider { height: 1px; background: var(--border); margin: 1.2rem 0; }
  .no-events { text-align: center; padding: 3rem; color: var(--text2); }
  ::-webkit-scrollbar { width: 6px; height: 6px; }
  ::-webkit-scrollbar-track { background: var(--bg); }
  ::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }

  /* SALARY TOGGLE */
  #salary-toggle-btn { background: rgba(196,73,0,0.15); border: 1.5px solid var(--accent); color: var(--accent); }
  #salary-toggle-btn:hover { background: rgba(196,73,0,0.28); }
  #salary-toggle-btn.hidden-mode { background: rgba(138,125,96,0.1); border-color: var(--border); color: var(--text2); }
  body.salary-hidden .salary-element { display: none !important; }
  body.salary-hidden #tab-salary { display: none !important; }

  /* CONSTRAINTS TOGGLE */
  #constraints-toggle-btn { background: rgba(232,168,32,0.12); border: 1.5px solid var(--yellow); color: var(--yellow); }
  #constraints-toggle-btn:hover { background: rgba(232,168,32,0.25); }
  #constraints-toggle-btn.hidden-mode { background: rgba(138,125,96,0.1); border-color: var(--border); color: var(--text2); }
  body.constraints-hidden .constraint-card { display: none !important; }

  /* TOOLTIP */
  #app-tooltip {
    display: none;
    position: fixed;
    z-index: 999;
    background: #0c2420;
    border: 1px solid var(--accent);
    color: var(--text);
    font-size: 0.82rem;
    line-height: 1.55;
    padding: 0.5rem 0.8rem;
    border-radius: 8px;
    max-width: 260px;
    pointer-events: none;
    white-space: pre-wrap;
    box-shadow: 0 4px 18px rgba(0,0,0,0.5);
    direction: rtl;
  }
  [data-tip] { cursor: help; }

  /* DISCLAIMER MODAL */
  #disclaimer-overlay {
    position: fixed; inset: 0; background: rgba(4,21,31,0.92);
    z-index: 500; display: flex; align-items: center; justify-content: center; padding: 1rem;
  }
  #disclaimer-box {
    background: var(--surface); border: 1px solid var(--accent);
    border-radius: 16px; padding: 2rem; width: 100%; max-width: 520px;
    max-height: 90vh; overflow-y: auto; direction: rtl;
    box-shadow: 0 8px 40px rgba(196,73,0,0.25);
  }
  #disclaimer-box h2 { font-size: 1.2rem; margin-bottom: 1.2rem; color: var(--accent); }
  #disclaimer-box p { font-size: 0.88rem; color: var(--text2); line-height: 1.7; margin-bottom: 0.9rem; }
  #disclaimer-box strong { color: var(--text); }
  #disclaimer-accept {
    width: 100%; padding: 0.75rem; background: var(--accent); color: #EFD6AC;
    border: none; border-radius: 10px; font-size: 1rem; font-weight: 700;
    cursor: pointer; margin-top: 0.5rem; transition: background 0.15s;
  }
  #disclaimer-accept:hover { background: #a03a00; }

  /* MOBILE */
  @media (max-width: 600px) {
    header { height: auto; padding: 0.75rem 1rem; flex-wrap: wrap; gap: 0.5rem; }
    .header-left { gap: 0.6rem; }
    .header-title { font-size: 0.95rem; }
    header > div:last-child { gap: 0.4rem; flex-wrap: wrap; }
    .btn-sm { padding: 0.28rem 0.55rem; font-size: 0.74rem; }
    #salary-toggle-btn::before { content: '💰'; }
    #salary-toggle-btn .btn-label { display: none; }

    .tabs { padding: 0 0.5rem; }
    .tab { padding: 0.65rem 0.75rem; font-size: 0.8rem; }

    .content { padding: 0.9rem; }

    .stats-row { grid-template-columns: repeat(2, 1fr); gap: 0.6rem; }
    .stat-card { padding: 0.75rem; }
    .stat-value { font-size: 1.4rem; }

    #drop-zone { padding: 2rem 1rem; }

    .event-card { gap: 0.6rem; padding: 0.7rem 0.8rem; }
    .event-date-box { min-width: 42px; }
    .event-date-day { font-size: 1.1rem; }
    .event-show { font-size: 0.86rem; }
    .event-meta { font-size: 0.74rem; gap: 0.4rem; }
    .event-actions .btn { padding: 0.28rem 0.5rem; font-size: 0.75rem; }

    .cal-cell { min-height: 60px; padding: 0.25rem; }
    .cal-event { font-size: 0.6rem; padding: 1px 3px; }
    .cal-date { font-size: 0.72rem; }

    .modal { padding: 1.2rem; border-radius: 12px; }
    .modal-overlay.open { align-items: flex-end; }
    .modal { max-height: 92vh; border-bottom-left-radius: 0; border-bottom-right-radius: 0; }

    .legend { gap: 0.5rem; padding: 0.6rem; }
    .legend-item { font-size: 0.72rem; }

    .data-table { font-size: 0.78rem; }
    .data-table th, .data-table td { padding: 0.4rem 0.6rem; }

    #disclaimer-box { padding: 1.5rem; }
    #disclaimer-box h2 { font-size: 1.05rem; }
    #disclaimer-box p { font-size: 0.83rem; }
  }