@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600&family=DM+Mono:wght@400;500&display=swap');

    :root {
      --green: #1D9E75;
      --green-dark: #0F6E56;
      --green-light: #E1F5EE;
      --green-mid: #5DCAA5;
      --orange: #EF9F27;
      --orange-bg: #FAEEDA;
      --orange-text: #854F0B;
      --red: #E24B4A;
      --red-bg: #FCEBEB;
      --red-text: #A32D2D;
      --bg: #F5F4F0;
      --bg-card: #FFFFFF;
      --border: #E2E0D8;
      --text: #1A1916;
      --text-2: #6B6860;
      --text-3: #9C9A94;
      --radius: 10px;
      --font: 'DM Sans', sans-serif;
      --mono: 'DM Mono', monospace;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    body { font-family: var(--font); background: var(--bg); color: var(--text); font-size: 14px; }

    /* Layout */
    .layout { display: flex; min-height: 100vh; }
    .sidebar { width: 220px; background: var(--bg-card); border-right: 1px solid var(--border); padding: 24px 0; display: flex; flex-direction: column; flex-shrink: 0; position: fixed; top: 0; left: 0; height: 100vh; }
    .main { margin-left: 220px; padding: 28px 32px; flex: 1; }

    /* Sidebar */
    .sidebar-logo { padding: 0 20px 24px; border-bottom: 1px solid var(--border); margin-bottom: 16px; }
    .logo-text { font-size: 15px; font-weight: 600; color: var(--text); }
    .logo-text span { color: var(--green); }
    .logo-sub { font-size: 11px; color: var(--text-3); margin-top: 2px; }
    .nav-item { display: flex; align-items: center; gap: 10px; padding: 9px 20px; font-size: 13px; color: var(--text-2); cursor: pointer; border-left: 2px solid transparent; transition: all 0.15s; }
    .nav-item:hover { color: var(--text); background: var(--bg); }
    .nav-item.active { color: var(--green); background: var(--green-light); border-left-color: var(--green); font-weight: 500; }
    .nav-icon { font-size: 15px; width: 20px; text-align: center; }
    .sidebar-footer { margin-top: auto; padding: 16px 20px; border-top: 1px solid var(--border); font-size: 11px; color: var(--text-3); }

    /* Header */
    .page-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; }
    .page-title { font-size: 20px; font-weight: 600; }
    .page-sub { font-size: 13px; color: var(--text-2); margin-top: 2px; }

    /* Metrics */
    .metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin-bottom: 24px; }
    .metric { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; }
    .metric-label { font-size: 12px; color: var(--text-2); margin-bottom: 6px; }
    .metric-value { font-size: 26px; font-weight: 600; }
    .metric-hint { font-size: 11px; color: var(--text-3); margin-top: 3px; }

    /* Table */
    .panel { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
    table { width: 100%; border-collapse: collapse; font-size: 13px; }
    th { text-align: left; padding: 10px 14px; font-size: 11px; font-weight: 500; color: var(--text-2); text-transform: uppercase; letter-spacing: 0.4px; border-bottom: 1px solid var(--border); background: #FAFAF8; }
    td { padding: 11px 14px; border-bottom: 1px solid var(--border); vertical-align: middle; }
    tr:last-child td { border-bottom: none; }
    tr:hover td { background: #FAFAF8; }

    /* Badges */
    .badge { display: inline-flex; align-items: center; gap: 4px; padding: 3px 9px; border-radius: 99px; font-size: 11px; font-weight: 500; }
    .badge::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: currentColor; opacity: 0.6; }
    .badge-valid { background: var(--green-light); color: #0F6E56; }
    .badge-expiring { background: var(--orange-bg); color: var(--orange-text); }
    .badge-expired { background: var(--red-bg); color: var(--red-text); }
    .badge-used { background: #F0EFEB; color: var(--text-2); }

    .activity-tag { display: inline-block; padding: 2px 8px; border-radius: 5px; font-size: 11px; background: var(--green-light); color: var(--green-dark); font-weight: 500; }

    /* Buttons */
    .btn { display: inline-flex; align-items: center; gap: 6px; padding: 8px 16px; border-radius: 8px; font-size: 13px; font-weight: 500; cursor: pointer; border: none; font-family: var(--font); transition: all 0.15s; }
    .btn-primary { background: var(--green); color: white; }
    .btn-primary:hover { background: var(--green-dark); }
    .btn-ghost { background: none; color: var(--text-2); border: 1px solid var(--border); }
    .btn-ghost:hover { background: var(--bg); color: var(--text); }
    .btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }
    .btn-icon { padding: 6px 10px; }

    /* Search */
    .toolbar { display: flex; gap: 10px; margin-bottom: 16px; align-items: center; }
    .search-wrap { position: relative; flex: 1; max-width: 340px; }
    .search-wrap input { width: 100%; padding: 8px 12px 8px 34px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: var(--bg-card); color: var(--text); font-family: var(--font); }
    .search-wrap input:focus { outline: none; border-color: var(--green-mid); }
    .search-icon { position: absolute; left: 10px; top: 50%; transform: translateY(-50%); color: var(--text-3); font-size: 14px; }

    /* Modal */
    .modal-bg { display: none; position: fixed; inset: 0; background: rgba(0,0,0,0.45); z-index: 200; align-items: center; justify-content: center; backdrop-filter: blur(2px); }
    .modal-bg.open { display: flex; }
    .modal { background: var(--bg-card); border-radius: 14px; border: 1px solid var(--border); padding: 24px; width: 460px; max-width: 95vw; box-shadow: 0 20px 60px rgba(0,0,0,0.12); }
    .modal-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 20px; }
    .modal-title { font-size: 16px; font-weight: 600; }
    .modal-close { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--text-3); padding: 4px; }
    .form-group { margin-bottom: 14px; }
    .form-label { font-size: 12px; font-weight: 500; color: var(--text-2); margin-bottom: 5px; display: block; }
    .form-input { width: 100%; padding: 8px 11px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: var(--bg-card); color: var(--text); font-family: var(--font); }
    .form-input:focus { outline: none; border-color: var(--green-mid); }
    select.form-input { cursor: pointer; }
    .form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
    .modal-footer { display: flex; gap: 8px; justify-content: flex-end; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }

    /* Pages */
    .page { display: none; }
    .page.active { display: block; }

    /* Ticket */
    .ticket-wrap { display: flex; gap: 24px; align-items: flex-start; }
    .ticket-select-col { width: 280px; flex-shrink: 0; }
    .ticket-preview-col { flex: 1; }
    .ticket-list { border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; max-height: 460px; overflow-y: auto; }
    .ticket-list-item { padding: 11px 14px; cursor: pointer; border-bottom: 1px solid var(--border); transition: background 0.1s; }
    .ticket-list-item:last-child { border-bottom: none; }
    .ticket-list-item:hover { background: var(--bg); }
    .ticket-list-item.selected { background: var(--green-light); }
    .tli-name { font-size: 13px; font-weight: 500; }
    .tli-code { font-size: 11px; color: var(--text-3); font-family: var(--mono); margin-top: 1px; }
    .tli-tag { font-size: 11px; color: var(--green-dark); }

    /* Ticket card */
    .ticket-card { background: white; border-radius: 14px; overflow: hidden; box-shadow: 0 4px 24px rgba(0,0,0,0.1); width: 380px; margin: 0 auto; font-family: var(--font); }
    .ticket-card-header { background: linear-gradient(135deg, #1D9E75, #0A7A5A); padding: 20px 22px; color: white; position: relative; overflow: hidden; }
    .ticket-card-header::after { content: ''; position: absolute; right: -20px; top: -20px; width: 100px; height: 100px; border-radius: 50%; background: rgba(255,255,255,0.08); }
    .tc-park { font-size: 11px; opacity: 0.75; text-transform: uppercase; letter-spacing: 0.8px; margin-bottom: 4px; }
    .tc-activity { font-size: 22px; font-weight: 600; }
    .tc-icon { font-size: 28px; position: absolute; right: 22px; top: 20px; opacity: 0.6; }
    .ticket-card-body { padding: 18px 22px; }
    .tc-row { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px solid #F0EFEB; font-size: 13px; }
    .tc-row:last-of-type { border-bottom: none; }
    .tc-key { color: #888; }
    .tc-val { font-weight: 500; color: #1A1916; }
    .ticket-divider { display: flex; align-items: center; margin: 12px -22px; }
    .td-circle { width: 18px; height: 18px; border-radius: 50%; background: var(--bg); flex-shrink: 0; }
    .td-line { flex: 1; border-top: 1.5px dashed #DDD; }
    .ticket-qr-section { padding: 14px 0 6px; display: flex; flex-direction: column; align-items: center; gap: 8px; }
    .ticket-code-text { font-family: var(--mono); font-size: 13px; color: #555; letter-spacing: 1px; }
    .ticket-card-footer { background: #F7F7F5; padding: 10px 22px; font-size: 11px; color: #999; text-align: center; }
    .ticket-watermark { position: absolute; top: 50%; left: 50%; transform: translate(-50%,-50%) rotate(-30deg); font-size: 40px; font-weight: 700; white-space: nowrap; pointer-events: none; opacity: 0.07; color: #A32D2D; text-transform: uppercase; }

    /* Validator */
    .validator-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .scan-area { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; text-align: center; }
    .scan-icon-big { font-size: 48px; margin-bottom: 14px; }
    .scan-title { font-size: 16px; font-weight: 600; margin-bottom: 6px; }
    .scan-sub { font-size: 13px; color: var(--text-2); margin-bottom: 20px; }
    .scan-input-wrap { display: flex; gap: 8px; }
    .scan-input { flex: 1; padding: 10px 14px; border: 2px solid var(--border); border-radius: 8px; font-size: 15px; font-family: var(--mono); text-transform: uppercase; color: var(--text); background: var(--bg); }
    .scan-input:focus { outline: none; border-color: var(--green); background: white; }
    .result-area { margin-top: 16px; }
    .result-card { border-radius: 10px; padding: 16px; border: 1.5px solid; }
    .result-ok { background: #EAF3DE; border-color: #5DCAA5; }
    .result-warn { background: var(--orange-bg); border-color: var(--orange); }
    .result-err { background: var(--red-bg); border-color: #F09595; }
    .result-icon { font-size: 32px; margin-bottom: 8px; }
    .result-title { font-size: 15px; font-weight: 600; margin-bottom: 6px; }
    .result-ok .result-title { color: var(--green-dark); }
    .result-warn .result-title { color: var(--orange-text); }
    .result-err .result-title { color: var(--red-text); }
    .result-detail { font-size: 13px; line-height: 1.6; }
    .result-ok .result-detail { color: var(--green-dark); }
    .result-warn .result-detail { color: var(--orange-text); }
    .result-err .result-detail { color: var(--red-text); }
    .confirm-btn { width: 100%; margin-top: 12px; padding: 10px; background: var(--green); color: white; border: none; border-radius: 8px; font-size: 14px; font-weight: 600; cursor: pointer; font-family: var(--font); }
    .confirm-btn:hover { background: var(--green-dark); }
    .history-col { background: var(--bg-card); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; }
    .history-title { font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; color: var(--text-2); font-weight: 500; margin-bottom: 14px; }
    .history-item { display: flex; justify-content: space-between; align-items: center; padding: 10px 0; border-bottom: 1px solid var(--border); }
    .history-item:last-child { border-bottom: none; }
    .hi-name { font-size: 13px; font-weight: 500; }
    .hi-act { font-size: 12px; color: var(--text-2); margin-top: 1px; }
    .hi-code { font-family: var(--mono); font-size: 11px; color: var(--text-3); }
    .hi-time { font-size: 12px; color: var(--text-3); }
    .empty-state { text-align: center; padding: 40px; color: var(--text-3); font-size: 13px; }

    /* Validity bar */
    .vbar { width: 80px; height: 3px; background: var(--border); border-radius: 2px; overflow: hidden; margin-top: 4px; }
    .vbar-fill { height: 100%; border-radius: 2px; }

    @media print {
      .layout { display: block; }
      .sidebar, .toolbar, .page-header, .modal-bg, .ticket-select-col, .no-print { display: none !important; }
      .main { margin: 0; padding: 20px; }
      .page { display: none !important; }
      #page-ticket { display: block !important; }
      .ticket-preview-col { width: 100%; }
      .ticket-card { box-shadow: none; border: 1px solid #ddd; }
    }