/* --- Stili Base e Variabili --- */
:root {
    --primary-color: #0056b3; /* Blu scuro */
    --secondary-color: #2a9d8f; /* Verde acqua per Q */
    --success-color: #28a745;
    --info-color: #17a2b8;
    --warning-color: #ffc107;
    --danger-color: #dc3545;
    --light-bg: #f8f9fa;
    --medium-bg: #e9ecef;
    --white-bg: #fff;
    --dark-text: #212529;
    --medium-text: #495057;
    --light-text: #6c757d;
    --border-color: #dee2e6;
    --border-radius: 6px;
    --box-shadow: 0 3px 10px rgba(0, 0, 0, 0.07);
}

body {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.4;
    margin: 0;
    padding: 0;
    background-color: var(--light-bg);
    color: var(--dark-text);
    
}

/* --- Stili Tabs --- */
.tab-container {
    max-width: 1100px;
    margin: 20px auto;
    background-color: var(--white-bg);
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    border: 1px solid var(--border-color);
}

.tab-nav {
    display: flex;
    border-bottom: 2px solid var(--border-color);
    background-color: var(--medium-bg);
    flex-wrap: wrap;
    position: sticky;
    top: 0;
    z-index: 10;
    align-items: center;
}

.tab-link {
    padding: 15px 20px; /* Leggermente ridotto */
    cursor: pointer;
    border: none;
    background-color: transparent;
    font-size: 1.0em; /* Leggermente ridotto */
    font-weight: 600;
    color: var(--medium-text);
    transition: background-color 0.2s, color 0.2s, border-bottom 0.2s;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    flex-shrink: 0;
}

.tab-link:hover {
    color: var(--primary-color);
    background-color: #dde2e7;
}

.tab-link.active {
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
    background-color: var(--white-bg);
}

.tab-content {
    display: none;
    padding: 30px 40px;
    animation: fadeIn 0.5s ease-in-out;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.program-version {
    margin-left: auto;
    padding-right: 20px;
    padding-left: 15px;
    font-size: 0.9em;
    color: var(--danger-color);
    font-weight: 600;
    white-space: nowrap;
}
/* Stili per la tabella di riepilogo dei parametri */
.summary-section {
    background-color: #f8f9fa; /* Sfondo leggermente grigio */
}
.summary-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.9em;
}
.summary-table th, .summary-table td {
    border: 1px solid var(--border-color);
    padding: 8px 10px;
    text-align: left;
}
.summary-table th {
    background-color: var(--medium-bg);
    font-weight: 600;
}
.summary-table td:nth-child(2), 
.summary-table td:nth-child(3) {
    text-align: center;
    font-family: monospace;
}
.summary-table td:last-child {
    font-style: italic;
    color: var(--medium-text);
}
/* --- Stili per il nuovo Tab Info Progetto --- */
.project-info-content h2 {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    text-align: center;
    margin-bottom: 25px;
}
.project-info-content fieldset {
    border: 1px solid #d8dee4; padding: 20px 25px; margin-bottom: 25px; border-radius: 6px; background-color: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}
.project-info-content legend {
    font-weight: 600; color: var(--primary-color); padding: 0 10px; font-size: 1.2em;
}
.project-info-content textarea {
    width: 100%; padding: 12px 15px; border: 1px solid var(--border-color);
    border-radius: var(--border-radius); box-sizing: border-box;
    font-size: 1em; background-color: var(--white-bg);
    color: var(--dark-text); font-family: inherit; line-height: 1.4;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.project-info-content textarea:focus {
    border-color: var(--secondary-color); box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2); outline: none;
}

/* Stili per i nuovi pulsanti Salva/Carica */
.q-calculator-content .save-button {
    background-color: var(--info-color);
    color: white;
    margin-bottom: 15px; /* Spazio tra i due bottoni */
    display: block; width: 100%; padding: 12px 25px; border: none;
    border-radius: var(--border-radius); cursor: pointer; font-size: 1.1em;
    font-weight: 600;
    transition: background-color 0.2s, box-shadow 0.2s, transform 0.1s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); text-align: center;
}
.q-calculator-content .save-button:hover {
    background-color: #117a8b;
    box-shadow: 0 4px 8px rgba(0,0,0,0.15); transform: translateY(-1px);
}
.project-info-content input[type="file"] {
    display: none; /* Nasconde l'input file di default */
}
.project-info-content .button-like-label {
    display: inline-block;
    padding: 10px 20px;
    background-color: var(--secondary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.2s;
}
.project-info-content .button-like-label:hover {
    background-color: #218074;
}
.project-info-content .file-name-display {
    margin-left: 15px;
    font-style: italic;
    color: var(--medium-text);
}
/* --- Stili Contenuto Specifico Tab 1 (Spiegazione Q) --- */
.explanation-content h2, .explanation-content h3 {
     margin-top: 1.5em; padding-bottom: 0.4em; border-bottom: 1px solid var(--border-color);
}
.explanation-content h2 { color: var(--secondary-color); font-size: 1.6em; } /* Verde Q */
.explanation-content h3 { color: var(--primary-color); font-size: 1.3em; }
.explanation-content p, .explanation-content ul, .explanation-content ol { margin-bottom: 1em; }
.explanation-content ul { list-style: disc; padding-left: 25px; }
.explanation-content code { background-color: var(--medium-bg); padding: 2px 5px; border-radius: 3px; font-family: monospace; }
.explanation-content table { width: 100%; border-collapse: collapse; margin: 20px 0; font-size: 0.9em; border: 1px solid var(--border-color); }
.explanation-content th, .explanation-content td { border: 1px solid var(--border-color); padding: 9px 12px; text-align: left; }
.explanation-content th { background-color: var(--medium-bg); font-weight: 600; }
.explanation-content td:first-child { font-weight: bold; width: 30%; } /* Larghezza fissa per prima colonna */
.explanation-content .formula {
    font-family: 'Courier New', Courier, monospace; background-color: var(--medium-bg);
    padding: 8px 15px; border-radius: 3px; display: inline-block; margin: 10px 0;
    color: var(--dark-text); border: 1px solid var(--border-color); font-size: 1.1em;
}
.explanation-content .formula-block { display: block; text-align: center; }
.explanation-content .parameter-section {
    margin-top: 25px;
    padding: 15px;
    border-left: 3px solid var(--secondary-color); /* Bordo laterale verde Q */
    background-color: #f7fdfc; /* Sfondo leggermente verde */
}
.explanation-content .parameter-section h4 { margin-top: 0; color: var(--secondary-color); font-size: 1.15em; }


/* --- Stili Calcolatore RQD (Tab 2) --- */
.rqd-calculator-content { /* Stili generali Tab 2 - RQD */ }
.rqd-calculator-content .container { /* Sostituisce body style RQD */
    font-family: sans-serif; /* Mantenuto da RQD */
    line-height: 1.6; /* Mantenuto da RQD */
    max-width: 900px; /* Mantenuto da RQD - potrebbe essere ridondante con .tab-container */
    margin: 0 auto; /* Centra il contenuto RQD se più stretto del tab */
    background: transparent; /* Usa sfondo del tab */
    padding: 0; /* Spaziatura gestita da tab-content */
    border-radius: 0;
    box-shadow: none;
}
.rqd-calculator-content h1, /* Rimuovere h1 se non serve più */
.rqd-calculator-content h2,
.rqd-calculator-content h3 {
    color: var(--dark-text); /* Usa colori tema principale */
    border-bottom: 1px solid var(--border-color); /* Usa bordo tema principale */
    padding-bottom: 5px;
    margin-top: 30px;
}
.rqd-calculator-content h2.section-title {
    border-bottom: 1px dashed var(--secondary-color); /* Usa colore tema */
    margin-bottom: 20px;
    color: var(--secondary-color); /* Verde Q */
    font-size: 1.4em; /* Adeguato gerarchia */
}
.rqd-calculator-content #method-selector {
    background-color: var(--medium-bg); /* Usa colore tema */
    padding: 15px 20px;
    border-radius: var(--border-radius);
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
}
.rqd-calculator-content #method-selector h2 {
    margin-top: 0; margin-bottom: 15px; border-bottom: none;
    font-size: 1.3em; color: var(--medium-text); /* Usa colore tema */
}
.rqd-calculator-content #method-selector label {
    margin-right: 15px; cursor: pointer; font-weight: normal;
    color: var(--dark-text); /* Usa colore tema */
    display: inline-block; margin-bottom: 5px;
}
.rqd-calculator-content #method-selector input[type="radio"] { margin-right: 5px; vertical-align: middle; }
.rqd-calculator-content .method-section {
    margin-bottom: 40px; padding: 20px; border: 1px solid var(--border-color); /* Usa colore tema */
    border-radius: var(--border-radius); background-color: #fdfdfd; display: none;
}
.rqd-calculator-content .visible-section { display: block; }
.rqd-calculator-content #final-rqd-result-area {
    margin-top: 40px; padding: 20px; background-color: #d4edda; border: 1px solid #c3e6cb;
    border-radius: var(--border-radius); text-align: center; display: none;
}
.rqd-calculator-content #final-rqd-result-area h2 {
    margin-top: 0; border-bottom: none; color: #155724;
}
.rqd-calculator-content #final-rqd-result-area p { font-size: 1.2em; color: #155724; }
.rqd-calculator-content #final-rqd-result-area strong { font-size: 1.4em; }
/* Stili input/label/bottoni RQD - adattati al tema */
.rqd-calculator-content .input-group { margin-bottom: 15px; }
.rqd-calculator-content label { display: block; margin-bottom: 5px; font-weight: 600; color: var(--medium-text); font-size: 0.95em; } /* Stile label AHP */
.rqd-calculator-content .input-row { display: flex; gap: 10px; margin-bottom: 10px; }
.rqd-calculator-content .input-row .input-group { flex: 1; margin-bottom: 0; }
.rqd-calculator-content input[type="number"],
.rqd-calculator-content input[type="text"],
.rqd-calculator-content select { /* Usa stile input AHP/RMR */
    width: 100%; padding: 12px 15px; border: 1px solid var(--border-color);
    border-radius: var(--border-radius); box-sizing: border-box;
    font-size: 1em; background-color: var(--white-bg);
     color: var(--dark-text)
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.rqd-calculator-content input[type="number"]:focus,
.rqd-calculator-content input[type="text"]:focus,
.rqd-calculator-content select:focus {
    border-color: var(--secondary-color); box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2); outline: none; /* Verde Q */
}
.rqd-calculator-content input[type="number"] { /* Per rimuovere frecce se indesiderato */
     -moz-appearance: textfield;
}
.rqd-calculator-content input[type="number"]::-webkit-outer-spin-button,
.rqd-calculator-content input[type="number"]::-webkit-inner-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
 /* Adatta stile bottone RQD a tema */
.rqd-calculator-content button {
    display: inline-block; width: auto; padding: 12px 25px; border: none;
    border-radius: var(--border-radius); cursor: pointer; font-size: 1em;
    font-weight: 600; margin-top: 10px; margin-right: 10px;
    transition: background-color 0.2s, box-shadow 0.2s, transform 0.1s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); text-align: center;
    background-color: var(--secondary-color); /* Usa colore secondario Verde Q */
    color: white;
}
.rqd-calculator-content button:hover {
     box-shadow: 0 4px 8px rgba(0,0,0,0.15); transform: translateY(-1px);
     background-color: #218074; /* Scurisci verde su hover */
}
/* Stili specifici bottoni RQD */
.rqd-calculator-content .remove-button {
     background-color: var(--danger-color); color: white; padding: 5px 10px;
     border: none; border-radius: 4px; cursor: pointer; font-size: 0.8em;
     margin-left: auto; margin-top: 0; box-shadow: none;
}
.rqd-calculator-content .remove-button:hover { background-color: #c82333; transform: none; }

.rqd-calculator-content .result { /* Risultati intermedi RQD */
    margin-top: 15px; padding: 15px; background-color: #e9f5ff; border: 1px solid #b3d7ff;
    border-radius: var(--border-radius);
}
.rqd-calculator-content .result strong { color: var(--primary-color); }
/* Info e Limitations RQD */
.rqd-calculator-content .info,
.rqd-calculator-content .limitations {
    font-size: 0.9em; color: var(--medium-text); margin-top: 15px; padding: 10px 15px;
    background-color: var(--light-bg); border-left: 3px solid var(--warning-color);
    border-radius: 4px;
}
.rqd-calculator-content .limitations { border-left-color: var(--danger-color); }
/* Tabelle RQD */
.rqd-calculator-content table { width: 100%; border-collapse: collapse; margin-top: 15px; border: 1px solid var(--border-color); }
.rqd-calculator-content th,
.rqd-calculator-content td { border: 1px solid var(--border-color); padding: 8px 12px; text-align: left; }
.rqd-calculator-content th { background-color: var(--medium-bg); color: var(--dark-text); font-weight: 600; }
/* Input Set Giaciture RQD */
.rqd-calculator-content .joint-set-input {
    display: flex; align-items: center; margin-bottom: 10px; padding: 10px;
    border: 1px dashed var(--border-color); border-radius: var(--border-radius);
}
.rqd-calculator-content .joint-set-input label {
     flex-basis: auto; /* Lascia che si adatti */ flex-shrink: 0; /* Non restringere */
     margin-right: 10px; margin-bottom: 0; font-weight: normal; color: var(--dark-text);
}
.rqd-calculator-content .joint-set-input input { flex-grow: 1; margin-right: 10px; margin-bottom: 0; } /* Rimuovi margine sotto */
/* Formula RQD */
.rqd-calculator-content .formula {
    font-family: 'Courier New', Courier, monospace; background-color: var(--medium-bg);
    padding: 5px 10px; border-radius: 3px; display: inline-block; margin: 5px 0;
    color: var(--dark-text);
}
.rqd-calculator-content .formula-block { display: block; text-align: center; margin: 10px auto; max-width: 100%; overflow-x: auto; }
/* Note RQD */
.rqd-calculator-content .note { font-style: italic; font-size: 0.9em; color: var(--medium-text); }
/* Testo descrittivo RQD */
.rqd-calculator-content #text-intro, .rqd-calculator-content #text-deere,
.rqd-calculator-content #text-palmstrom, .rqd-calculator-content #text-priest,
.rqd-calculator-content #text-other, .rqd-calculator-content #text-field,
.rqd-calculator-content #text-comparison, .rqd-calculator-content #text-conclusion,
.rqd-calculator-content #text-vb {
     margin-top: 20px; padding: 15px; background: var(--light-bg);
     border-left: 4px solid var(--light-text); border-radius: 4px;
}
.rqd-calculator-content #text-vb { border-left-color: var(--info-color); }
.rqd-calculator-content #text-intro h2, .rqd-calculator-content #text-deere h2,
.rqd-calculator-content #text-palmstrom h2, .rqd-calculator-content #text-priest h2,
.rqd-calculator-content #text-other h2, .rqd-calculator-content #text-field h2,
.rqd-calculator-content #text-comparison h2, .rqd-calculator-content #text-conclusion h2,
.rqd-calculator-content #text-vb h3 {
     border-bottom: none; margin-top: 0; color: var(--medium-text);
}
.rqd-calculator-content #text-vb h3 { margin-bottom: 10px; }
 /* Error div specifico RQD */
.rqd-calculator-content .error { /* Sovrascrive stile errore generico se necessario */
    color: #721c24; background-color: #f8d7da; border-color: #f5c6cb;
    padding: 15px 20px; margin: 20px 0; border-radius: var(--border-radius);
    border-width: 1px; border-style: solid; font-size: 0.98em;
}
.rqd-calculator-content .hidden { display: none; }

/* NUOVI Stili per Calcolatore Q (Tab 3) */
.q-calculator-content { /* Stili generali Tab 3 (Q Calc) */ }
.q-calculator-content h1 { text-align: center; border-bottom-width: 2px; margin-top: 0.5em; font-size: 1.8em; color: var(--secondary-color); border-bottom-color: var(--secondary-color); padding-bottom: 10px; margin-bottom: 30px;} /* Verde Q */
.q-calculator-content fieldset { border: 1px solid #d8dee4; padding: 20px 25px; margin-bottom: 25px; border-radius: 6px; background-color: #fff; box-shadow: 0 1px 3px rgba(0,0,0,0.04); }
.q-calculator-content legend { font-weight: 600; color: var(--primary-color); padding: 0 10px; font-size: 1.2em; } /* Blu */
.q-calculator-content .input-group { margin-bottom: 20px; }
.q-calculator-content label { display: block; margin-bottom: 6px; font-weight: 600; color: var(--medium-text); font-size: 0.95em; }
.q-calculator-content input[type="number"],
.q-calculator-content input[type="text"],
.q-calculator-content select {
    width: 100%; padding: 12px 15px; border: 1px solid var(--border-color);
    border-radius: var(--border-radius); box-sizing: border-box;
    font-size: 1em; background-color: var(--white-bg);
     color: var(--dark-text)
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.q-calculator-content input:focus, .q-calculator-content select:focus {
     border-color: var(--secondary-color); box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.2); outline: none; /* Verde Q */
}
.q-calculator-content .inline-input-group { display: inline-block; margin-right: 15px; margin-bottom: 10px; }
.q-calculator-content .inline-input-group label { display: inline; margin-right: 5px; font-weight: normal;}
.q-calculator-content .inline-input-group input[type="radio"],
.q-calculator-content .inline-input-group input[type="checkbox"] { margin-right: 3px; vertical-align: middle;}
.q-calculator-content .sub-input-section { /* Per Ja, SRF, e ORA Jr dinamici */
    margin-top: 15px; padding: 15px; background-color: #f9f9f9; border: 1px dashed var(--border-color); border-radius: 4px;
}
.q-calculator-content .sub-input-section label { font-size: 0.9em; }
.q-calculator-content .sub-input-section select,
.q-calculator-content .sub-input-section input { font-size: 0.95em; padding: 10px 12px; margin-bottom: 10px; }
.q-calculator-content .helper-text { font-size: 0.85em; color: var(--medium-text); margin-top: -10px; margin-bottom: 15px; display: block;}
.q-calculator-content button { /* Bottone Calcola Q */
    display: block; width: 100%; padding: 14px 25px; border: none;
    border-radius: var(--border-radius); cursor: pointer; font-size: 1.2em;
    font-weight: 600; margin-top: 20px;
    transition: background-color 0.2s, box-shadow 0.2s, transform 0.1s;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1); text-align: center;
    background-color: var(--success-color); /* Verde Success */
    color: white;
}
.q-calculator-content button:hover {
    box-shadow: 0 4px 8px rgba(0,0,0,0.15); transform: translateY(-1px);
    background-color: #218838; /* Verde Success scuro */
}
.q-calculator-content button.secondary { /* Bottone Usa RQD */
     background-color: var(--info-color); display: inline-block; width: auto; font-size: 0.9em; padding: 8px 15px; margin-top: 0; margin-left: 10px; vertical-align: middle;
}
 .q-calculator-content button.secondary:hover { background-color: #117a8b; transform: none; box-shadow: none; }

 /* Stili specifici per SRF Condition 2 */
 .q-calculator-content #srf_options_2 .stress-calc-inputs {
     display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); /* Colonne responsive */
     gap: 15px; margin-bottom: 15px;
 }
  .q-calculator-content #srf_options_2 .stress-calc-results {
     background-color: #eef; padding: 10px 15px; border-radius: 4px; margin-top: 10px; margin-bottom: 20px; border: 1px solid #ccd;
     font-size: 0.9em;
 }
 .q-calculator-content #srf_options_2 .stress-calc-results p { margin: 5px 0; }
 .q-calculator-content #srf_options_2 .stress-calc-results strong { color: var(--primary-color); }
 .q-calculator-content #srf_options_2 .stress-calc-results .ratio-value { font-weight: bold; color: var(--danger-color); } /* Evidenzia ratio */
 .q-calculator-content #srf_options_2 button.calculate-stress {
     background-color: var(--warning-color); color: var(--dark-text); font-size: 0.9em; padding: 8px 15px; margin-top: 5px; margin-bottom: 15px; display: inline-block; width: auto; box-shadow: none;
 }
 .q-calculator-content #srf_options_2 button.calculate-stress:hover { background-color: #e0a800; }
 /* Fine stili SRF Condition 2 */

 .q-calculator-content .error { /* Errore Q Calc */
    color: #721c24; background-color: #f8d7da; border-color: #f5c6cb;
    padding: 15px 20px; margin: 20px 0; border-radius: var(--border-radius);
    border-width: 1px; border-style: solid; font-size: 0.98em;
}
.q-calculator-content .hidden { display: none; }


 /* NUOVI Stili per Risultati Q (Tab 4) - AGGIORNATI */
.q-results-content { }
.q-results-content h2 {
    text-align: center; color: var(--secondary-color); font-size: 1.8em;
    border-bottom: 2px solid var(--secondary-color); padding-bottom: 10px; margin-bottom: 30px; /* Verde Q */
}
.q-results-content .result-section {
    margin-bottom: 30px; padding: 25px; border: 1px solid var(--border-color);
    border-radius: var(--border-radius); background-color: var(--white-bg);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}
 .q-results-content .result-section.classification {
     background-color: #e3fcef; /* Sfondo verde chiaro per classificazione */
     border-color: #a3d8b8;
 }
.q-results-content .result-section h3 {
    margin-top: 0; margin-bottom: 20px; color: var(--primary-color); font-size: 1.4em;
    border-bottom: 1px solid var(--medium-bg); padding-bottom: 8px;
}
.q-results-content .result-item {
    margin-bottom: 15px; font-size: 1.1em;
}
.q-results-content .result-item strong {
    display: inline-block; min-width: 160px; /* Allinea etichette (aumentato per frazioni) */
    font-weight: 600; color: var(--medium-text);
}
.q-results-content .result-value {
    font-weight: bold; color: var(--dark-text); font-size: 1.15em; padding-left: 10px;
}
.q-results-content .result-value.q-value { color: var(--secondary-color); font-size: 1.4em; } /* Evidenzia Q */
 .q-results-content .result-value.q-class { color: var(--success-color); font-size: 1.3em; } /* Evidenzia Classe */
.q-results-content .note {
    font-size: 0.9em; color: var(--medium-text); margin-top: 20px; padding: 10px;
    background-color: var(--light-bg); border-left: 3px solid var(--info-color);
    border-radius: 4px;
}
 .q-results-content .error { /* Errore visualizzazione risultati */
    color: #721c24; background-color: #f8d7da; border-color: #f5c6cb;
    padding: 15px 20px; margin: 20px 0; border-radius: var(--border-radius);
    border-width: 1px; border-style: solid; font-size: 0.98em;
}
 .q-results-content .hidden { display: none; }

/* --- Stili per Tabelle Riferimento (Tab 5) --- */
.q-tables-content {}

.q-tables-content h2 { 
    color: var(--secondary-color); 
    font-size: 1.6em; 
    border-bottom: 1px solid var(--border-color); 
    padding-bottom: 8px; 
}

.q-tables-content h3 { 
    color: var(--primary-color); 
    font-size: 1.3em; 
    margin-top: 1.8em; 
}

.q-tables-content table { 
    width: 100%; 
    border-collapse: collapse; 
    margin: 20px 0; 
    font-size: 0.9em; 
    border: 1px solid var(--border-color); 
    box-shadow: 0 1px 3px rgba(0,0,0,0.05); 
}

.q-tables-content th, .q-tables-content td { 
    border: 1px solid var(--border-color); 
    padding: 9px 12px; 
    text-align: left; 
    vertical-align: top; 
}

/* ===== CORREZIONE LEGGIBILITÀ ===== */
.q-tables-content th { 
    background-color: var(--medium-bg); 
    font-weight: 600; 
    color: var(--dark-text); /* Assicura che il testo dell'intestazione sia scuro e leggibile */
}
/* =================================== */

.q-tables-content caption { 
    caption-side: bottom; 
    text-align: left; 
    font-size: 0.85em; 
    color: var(--medium-text); 
    margin-top: 5px; 
    font-style: italic;
}

.q-tables-content td:last-child { 
    text-align: center; 
    font-weight: bold; 
    width: 15%; 
}


/* Responsive Adjustments */
@media (max-width: 768px) {
     .tab-container { margin: 10px; max-width: calc(100% - 20px);}
     .tab-content { padding: 20px; }
     .tab-link { padding: 12px 15px; font-size: 1em; }
     .rqd-calculator-content .container, .q-calculator-content, .q-results-content { padding: 0; }
     .rqd-calculator-content h1, .q-calculator-content h1, .q-results-content h2 { font-size: 1.6em; }
     .rqd-calculator-content h2, .q-tables-content h2 { font-size: 1.3em; }
     .rqd-calculator-content h3, .q-calculator-content legend, .q-results-content h3, .q-tables-content h3 { font-size: 1.15em; }
     .rqd-calculator-content .input-row { flex-direction: column; gap: 5px; }
     .q-calculator-content fieldset { padding: 15px; }
     .q-calculator-content #srf_options_2 .stress-calc-inputs { grid-template-columns: 1fr; } /* Stack SRF inputs on small screens */
}
 @media (max-width: 480px) {
     .tab-link { padding: 10px 12px; font-size: 0.9em; }
     .tab-content { padding: 15px; }
     .explanation-content th, .explanation-content td,
     .rqd-calculator-content th, .rqd-calculator-content td,
     .q-tables-content th, .q-tables-content td { font-size: 0.85em; padding: 6px 8px; }
     .rqd-calculator-content input, .rqd-calculator-content select, .rqd-calculator-content button,
     .q-calculator-content input, .q-calculator-content select, .q-calculator-content button,
     .q-results-content .result-item { font-size: 0.9em; }
     .rqd-calculator-content input, .rqd-calculator-content select,
     .q-calculator-content input, .q-calculator-content select { padding: 10px 12px; }
     .rqd-calculator-content button, .q-calculator-content button { padding: 10px 15px; }
     .rqd-calculator-content .joint-set-input { flex-direction: column; align-items: stretch; }
     .rqd-calculator-content .joint-set-input label { margin-bottom: 5px; }
     .rqd-calculator-content .remove-button { margin-top: 5px; margin-left: 0; width: 100%; text-align: center; }
      .q-results-content .result-item strong { display: block; min-width: unset; margin-bottom: 3px;}
      .q-results-content .result-value { padding-left: 0; }
 }