/* Karasek Analyzer – CFDT AURA v3.1 */
#ka-wrap {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    max-width: 960px;
    margin: 0 auto;
    padding: 16px;
}
#ka-wrap h2 {
    text-align: center;
    font-size: 1.4em;
    margin-bottom: 12px;
    color: #333;
}
#ka-toolbar {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    align-items: center;
    margin-bottom: 14px;
}
#ka-toolbar label {
    font-weight: 600;
    font-size: .9em;
    color: #555;
}
#ka-file-input {
    flex: 1;
    min-width: 200px;
}
#ka-toolbar button {
    padding: 7px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: .88em;
    font-weight: 600;
    transition: opacity .15s;
}
#ka-toolbar button:hover { opacity: .8; }
#ka-btn-demo   { background: #1976D2; color: #fff; }
#ka-btn-clear  { background: #757575; color: #fff; }
#ka-btn-pdf    { background: #E53935; color: #fff; }
#ka-btn-jpg    { background: #43A047; color: #fff; }

#ka-status {
    padding: 8px 12px;
    border-radius: 4px;
    font-size: .88em;
    margin-bottom: 10px;
    display: none;
}
#ka-status.info    { background: #E3F2FD; color: #0D47A1; display: block; }
#ka-status.error   { background: #FFEBEE; color: #B71C1C; display: block; }
#ka-status.success { background: #E8F5E9; color: #1B5E20; display: block; }

#ka-chart-container {
    position: relative;
    width: 100%;
    background: #fff;
    border: 1px solid #e0e0e0;
    border-radius: 6px;
    padding: 8px;
    box-sizing: border-box;
}
#ka-chart-container canvas {
    display: block;
    width: 100% !important;
}

#ka-table-wrap {
    margin-top: 20px;
    overflow-x: auto;
}
#ka-table {
    width: 100%;
    border-collapse: collapse;
    font-size: .85em;
}
#ka-table th {
    background: #455A64;
    color: #fff;
    padding: 8px 10px;
    text-align: left;
}
#ka-table td {
    padding: 6px 10px;
    border-bottom: 1px solid #eee;
}
#ka-table tr:hover td { background: #f5f5f5; }
.ka-zone-g { color: #2E7D32; font-weight: 700; }
.ka-zone-y { color: #F57F17; font-weight: 700; }
.ka-zone-o { color: #E65100; font-weight: 700; }
.ka-zone-r { color: #B71C1C; font-weight: 700; }