* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
    --colorprincipal: #8a2036;
    --colorsecundario: #efe1ca;
    --colorterciario: #BC955B;
    --colorgiga: #56212f;
    --letrablanca: #fff;
}
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--colorsecundario);
    color: #333;
    line-height: 1.6;
    padding: 20px;
}
.container {
    max-width: 1400px;
    margin: 0 auto;
    background: var(--letrablanca);
    border-radius: 12px;
    box-shadow: 0 2px 12px rgba(0,0,0,0.1);
    padding: 30px;
}
header {
    text-align: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 3px solid var(--colorprincipal);
}
header h1 { color: var(--colorprincipal); font-size: 2em; margin-bottom: 5px; }
header h2 { color: var(--colorgiga); font-size: 1.2em; font-weight: 400; }
header h3 { color: #666; font-size: 1em; font-weight: 400; margin-top: 5px; }

.admin-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background: var(--colorsecundario);
    border-radius: 8px;
    margin-top: 15px;
    font-size: 0.9em;
    color: var(--colorgiga);
}

.alert { padding: 15px; border-radius: 8px; margin-bottom: 20px; }
.alert-error { background: #fadbd8; color: #922b21; border: 1px solid #e6b0aa; }
.alert-success { background: #d5f5e3; color: #1e8449; border: 1px solid #a9dfbf; }
.alert-warning { background: #fef9e7; color: #7d6608; border: 1px solid #f9e79f; }

.login-box {
    max-width: 420px;
    margin: 40px auto;
    background: var(--colorsecundario);
    border: 2px solid var(--colorterciario);
    border-radius: 12px;
    padding: 35px;
    text-align: center;
}
.login-box h3 {
    color: var(--colorprincipal);
    font-size: 1.3em;
    margin-bottom: 20px;
}
.login-form .form-group {
    margin-bottom: 18px;
    text-align: left;
}
.login-form .form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 6px;
    font-size: 0.9em;
    color: var(--colorgiga);
}
.login-form .form-group input {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--colorterciario);
    border-radius: 8px;
    font-size: 1em;
    transition: border-color 0.2s;
}
.login-form .form-group input:focus {
    outline: none;
    border-color: var(--colorprincipal);
    box-shadow: 0 0 0 3px rgba(138, 32, 54, 0.15);
}
.login-info {
    font-size: 0.82em;
    color: #888;
    margin-top: 20px;
}

/* Summary cards */
.summary-cards {
    display: flex; gap: 15px; margin-bottom: 20px; flex-wrap: wrap;
}
.summary-card {
    flex: 1; min-width: 180px; padding: 20px; border-radius: 10px;
    text-align: center; color: var(--letrablanca); font-weight: 600;
}
.summary-card.total { background: var(--colorgiga); }
.summary-card.completados { background: #2e7d32; }
.summary-card.pendientes { background: #c62828; }
.summary-num { display: block; font-size: 2em; line-height: 1.2; }
.summary-label { display: block; font-size: 0.85em; opacity: 0.9; margin-top: 4px; }

.alumno-info {
    background: var(--colorsecundario);
    border: 1px solid var(--colorterciario);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}
.alumno-info h3 { color: var(--colorprincipal); margin-bottom: 15px; }
.alumno-header { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 10px; }
.btn-logout {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    background: linear-gradient(135deg, var(--colorprincipal) 0%, #a8304a 100%);
    color: #fff;
    border: none;
    padding: 4px 12px;
    border-radius: 6px;
    text-decoration: none;
    font-size: 0.75em;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 1px 4px rgba(138, 32, 54, 0.2);
    cursor: pointer;
    white-space: nowrap;
}
.btn-logout:hover {
    box-shadow: 0 2px 8px rgba(138, 32, 54, 0.35);
    background: linear-gradient(135deg, #a8304a 0%, var(--colorprincipal) 100%);
    color: #fff;
}
.btn-logout svg {
    width: 13px;
    height: 13px;
    fill: currentColor;
    flex-shrink: 0;
}
.form-row { display: flex; flex-wrap: wrap; gap: 15px; }
.form-group { flex: 1; min-width: 200px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 5px; font-size: 0.9em; color: var(--colorgiga); }
.form-group input {
    width: 100%; padding: 10px; border: 1px solid #ddd; border-radius: 6px;
    font-size: 0.95em; transition: border-color 0.2s;
}
.form-group input:focus { outline: none; border-color: var(--colorterciario); box-shadow: 0 0 0 2px rgba(188, 149, 91, 0.2); }

.escala-info {
    background: var(--colorsecundario);
    border: 1px solid var(--colorterciario);
    border-radius: 8px;
    padding: 12px 18px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 0.95em;
}

.servicio-section { margin-bottom: 25px; }
.servicio-titulo {
    background: var(--colorprincipal);
    color: var(--letrablanca);
    padding: 10px 18px;
    border-radius: 8px 8px 0 0;
    font-size: 1em;
}
.servicio-titulo.total-general { background: var(--colorgiga); }

.preguntas-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85em;
}
.preguntas-table th, .preguntas-table td {
    padding: 8px 10px;
    border: 1px solid #ddd;
    text-align: center;
}
.preguntas-table thead th {
    background: var(--colorprincipal);
    color: var(--letrablanca);
    font-weight: 600;
    white-space: nowrap;
}
.pregunta-texto { text-align: left !important; }
.num { width: 40px; font-weight: 600; }

.radio-cell { text-align: center; }
.radio-cell input[type="radio"] {
    width: 20px; height: 20px; cursor: pointer;
}
.radio-cell input[type="radio"]:checked { accent-color: var(--colorprincipal); }

.form-actions { text-align: center; margin-top: 30px; padding: 20px; }
.btn {
    padding: 12px 40px;
    border: none;
    border-radius: 8px;
    font-size: 1.1em;
    font-weight: 600;
    cursor: pointer;
    transition: background 0.2s;
    text-decoration: none;
    display: inline-block;
}
.btn-block { width: 100%; }
.btn-sm { padding: 6px 16px; font-size: 0.85em; }
.btn-primary { background: var(--colorprincipal); color: var(--letrablanca); }
.btn-primary:hover { background: var(--colorgiga); }
.btn-secondary { background: var(--colorterciario); color: var(--letrablanca); }
.btn-secondary:hover { background: #a3824a; }

.results-table tbody tr:nth-child(even) { background: #f9f5f0; }
.results-table tbody tr:hover { background: var(--colorsecundario); }
.subtotal-row { background: #f0e6d8 !important; font-weight: 600; }
.subtotal-row td { border-top: 2px solid var(--colorterciario); }
.total-row { background: #f0d5d5 !important; font-weight: 700; }
.total-row td { border-top: 3px solid var(--colorprincipal); }

.tab-nav {
    display: flex; gap: 0; margin-bottom: 20px; border-bottom: 2px solid var(--colorterciario);
}
.tab-link {
    padding: 10px 25px; text-decoration: none; color: var(--colorgiga); background: var(--colorsecundario);
    border: 1px solid var(--colorterciario); border-bottom: none; border-radius: 6px 6px 0 0;
    margin-bottom: -2px;
}
.tab-link.active { background: var(--letrablanca); color: var(--colorprincipal); font-weight: 600; border-color: var(--colorterciario) var(--colorterciario) var(--letrablanca); }

/* Responsive */
@media (max-width: 768px) {
    body { padding: 10px; }
    .container { padding: 15px; border-radius: 8px; }
    header h1 { font-size: 1.4em; }
    header h2 { font-size: 0.95em; }
    header h3 { font-size: 0.85em; }
    .login-box { padding: 20px; margin: 20px auto; }
    .form-row { flex-direction: column; gap: 8px; }
    .form-group { min-width: 100%; }
    .admin-bar { flex-direction: column; gap: 8px; text-align: center; }
    .tab-nav { flex-direction: column; gap: 3px; }
    .tab-link { border-radius: 6px; margin-bottom: 0; text-align: center; }
    .btn { padding: 10px 20px; font-size: 1em; }
    .alumno-info { padding: 12px; }
    .escala-info { font-size: 0.82em; padding: 8px 10px; }
}
@media (max-width: 480px) {
    .container { padding: 10px; }
    .login-box { padding: 15px; }
    .btn-block { padding: 14px; }
}
/* Survey table responsive wrapper */
.table-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    margin-bottom: 15px;
}
.table-scroll table { min-width: 700px; }
.radio-text { display: none; }

/* Mobile survey card layout */
@media (max-width: 768px) {
    #encuestaForm .table-scroll {
        overflow-x: visible;
    }
    #encuestaForm .preguntas-table,
    #encuestaForm .preguntas-table tbody,
    #encuestaForm .preguntas-table tr {
        display: block;
        width: 100%;
    }
    #encuestaForm .preguntas-table {
        min-width: 0;
    }
    #encuestaForm .preguntas-table thead {
        display: none;
    }
    #encuestaForm .preguntas-table tr {
        background: var(--letrablanca);
        border: 1px solid #ddd;
        border-radius: 10px;
        margin-bottom: 14px;
        padding: 14px;
        box-shadow: 0 1px 4px rgba(0,0,0,0.06);
    }
    #encuestaForm .preguntas-table td {
        display: inline-block;
        border: none;
        padding: 0;
        vertical-align: middle;
    }
    #encuestaForm .preguntas-table .num {
        font-weight: 700;
        color: var(--colorprincipal);
        font-size: 0.85em;
        margin-right: 6px;
        min-width: auto;
        width: auto;
    }
    #encuestaForm .preguntas-table .pregunta-texto {
        display: block;
        font-size: 0.9em;
        margin: 8px 0 10px;
        text-align: left;
        width: 100%;
        line-height: 1.4;
    }
    #encuestaForm .preguntas-table .radio-cell {
        display: inline-block;
        margin: 3px 2px;
    }
    #encuestaForm .radio-label {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        padding: 8px 6px;
        border: 1.5px solid var(--colorterciario);
        border-radius: 8px;
        cursor: pointer;
        min-width: 52px;
        min-height: 56px;
        transition: all 0.15s;
        background: var(--colorsecundario);
        user-select: none;
        -webkit-tap-highlight-color: transparent;
    }
    #encuestaForm .radio-label input[type="radio"] {
        width: 22px;
        height: 22px;
        margin: 0 0 3px;
        cursor: pointer;
    }
    #encuestaForm .radio-text {
        display: block;
        font-size: 0.65em;
        font-weight: 700;
        color: var(--colorgiga);
        line-height: 1;
        pointer-events: none;
    }
    /* Highlight checked via JS fallback */
    #encuestaForm .radio-label.checked {
        background: var(--colorprincipal);
        border-color: var(--colorprincipal);
    }
    #encuestaForm .radio-label.checked .radio-text {
        color: var(--letrablanca);
    }
}
@media (max-width: 480px) {
    #encuestaForm .preguntas-table tr {
        padding: 10px;
        margin-bottom: 10px;
    }
    #encuestaForm .preguntas-table .pregunta-texto {
        font-size: 0.85em;
    }
    #encuestaForm .radio-label {
        min-width: 44px;
        min-height: 48px;
        padding: 6px 4px;
    }
    #encuestaForm .radio-label input[type="radio"] {
        width: 18px;
        height: 18px;
    }
}

@media print {
    body { background: var(--letrablanca); padding: 0; }
    .container { box-shadow: none; padding: 15px; }
    .btn, .form-actions, .tab-nav, .admin-bar { display: none; }
}