/* Importazione di un font moderno da Google Fonts */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;700&display=swap');

/* Variabili CSS per una facile personalizzazione */
:root {
    --primary-color: #3367D6;
    --primary-color-dark: #2a56b4;
    --secondary-color: #f5f5f5;
    --background-color: #f4f7fc; /* Sfondo più chiaro e moderno */
    --text-color: #333;
    --text-color-light: #fff;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --error-color: #dc3545;
    --font-family: 'Inter', sans-serif;
    --border-radius: 8px;
    --box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
}

/* Reset e stili di base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    font-family: var(--font-family);
    background-color: var(--background-color);
    color: var(--text-color);
    line-height: 1.6;
}

#app-wrapper {
    height: 100%;
}

/* Contenitore Autenticazione */
.auth-container {
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    padding: 1rem;
}

.auth-form {
    width: 100%;
    max-width: 420px;
    padding: 2.5rem;
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.auth-form h2 {
    text-align: center;
    margin-bottom: 0.5rem;
    color: var(--primary-color);
}

.auth-form p {
    text-align: center;
    margin-bottom: 1.5rem;
    color: #666;
}

/* Stili per i form */
.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    font-family: var(--font-family);
    transition: border-color 0.3s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(51, 103, 214, 0.2);
}

.form-group input:disabled {
    background-color: #f0f0f0;
    cursor: not-allowed;
}

.form-group-inline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}
.form-group-inline input {
    width: auto;
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.checkbox-group div {
    display: flex;
    align-items: center;
}
.checkbox-group input {
    width: auto;
    margin-right: 0.5rem;
}

/* Pulsanti */
.btn {
    display: inline-block;
    padding: 0.9rem 1.5rem;
    border: none;
    border-radius: var(--border-radius);
    background-color: var(--primary-color);
    color: var(--text-color-light);
    font-size: 1.1rem;
    font-weight: 700;
    cursor: pointer;
    text-align: center;
    transition: background-color 0.3s ease, transform 0.1s ease;
}
.auth-form .btn, #profile-form .btn, #add-communication-form .btn, #health-form .btn {
    width: 100%;
}

.btn:hover {
    background-color: var(--primary-color-dark);
}

.btn:active {
    transform: scale(0.98);
}

.btn-secondary {
    background-color: #6c757d;
    font-size: 0.9rem;
}
.btn-secondary:hover {
    background-color: #5a6268;
}

.btn.btn-small {
    font-size: 0.9rem;
    padding: 0.5rem 1rem;
}

/* Link per cambiare form */
.toggle-link {
    text-align: center;
    margin-top: 1.5rem;
}

.toggle-link a {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
}

.toggle-link a:hover {
    text-decoration: underline;
}

/* Messaggi di errore/successo */
.message {
    text-align: center;
    padding: 0.8rem;
    margin-bottom: 1rem;
    border-radius: var(--border-radius);
    font-weight: 500;
    display: none;
    opacity: 0;
    transition: opacity 0.3s ease;
}
.message.success, .message.error {
    display: block;
    opacity: 1;
}
.message.success { background-color: #d4edda; color: #155724; }
.message.error { background-color: #f8d7da; color: #721c24; }

/* Classe per nascondere elementi */
.hidden {
    display: none !important;
}

/* Nuovo Layout Principale */
.main-layout {
    display: grid;
    grid-template-columns: 240px 1fr; /* Sidebar + Contenuto */
    grid-template-rows: auto 1fr;
    grid-template-areas:
        "nav header"
        "nav content";
    height: 100vh;
    width: 100%;
}

.main-header {
    grid-area: header;
    background-color: #fff;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}
.main-header h2 { color: var(--primary-color); }
.user-info { display: flex; align-items: center; gap: 1rem; }
.logout-button { background: none; border: none; cursor: pointer; font-size: 1.5rem; color: #6c757d; transition: color 0.2s; }
.logout-button:hover { color: var(--error-color); }

.dashboard-nav {
    grid-area: nav;
    background-color: #fff;
    padding: 2rem 1rem;
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem 1rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    color: #555;
    font-weight: 500;
    transition: all 0.3s ease;
}
.nav-link i { font-size: 1.4rem; }
.nav-link:hover { background-color: #f4f7fc; color: var(--primary-color); }
.nav-link.active { background-color: var(--primary-color); color: #fff; }

.main-content {
    grid-area: content;
    overflow-y: auto;
    padding: 2rem;
}

.content-section {
    animation: fadeIn 0.5s ease-in-out;
}

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

.content-section h2 {
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

/* Stili Dashboard "At a Glance" */
.dashboard-summary {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.summary-card {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}
.summary-card h4 { display: flex; align-items: center; gap: 0.5rem; color: #666; margin-bottom: 1rem; font-weight: 500;}
.summary-card .value { font-size: 2rem; font-weight: 700; color: var(--primary-color); }
.summary-card .detail { font-size: 0.9rem; color: #888; margin-top: 0.5rem; }

/* Stili Sezione Home e Comunicazioni */
#add-communication-container {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    box-shadow: var(--box-shadow);
}

.section-divider {
    border: none;
    border-top: 1px solid var(--border-color);
    margin: 2rem 0;
}

.communication-card {
    background-color: #fff;
    border-left: 5px solid var(--primary-color);
    border-radius: var(--border-radius);
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: var(--box-shadow);
}

.comm-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.5rem;
}

.comm-header h4 { margin: 0; color: var(--text-color); }
.comm-header small { color: #6c757d; }
.communication-card p { margin: 0; }

/* Stili Grafici e Punteggi */
.charts-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.chart-card {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    height: 350px;
}

.chart-card h3 {
    text-align: center;
    margin-bottom: 1rem;
    font-weight: 500;
}

.health-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

.health-form-container {
    min-width: 0;
}

.health-scores-container {
    min-width: 250px;
    background-color: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}

.score-item { margin-bottom: 1.5rem; }
.score-item h4 { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.5rem; font-weight: 500; }
.score-item h4 i { font-size: 1.2rem; }
.progress-bar { width: 100%; height: 15px; background-color: #e9ecef; border-radius: 10px; overflow: hidden; }
.progress-bar-fill { height: 100%; background-color: var(--primary-color); border-radius: 10px; transition: width 0.5s ease-in-out; }
.score-item span { display: block; text-align: right; font-weight: 700; margin-top: 0.25rem; color: var(--primary-color); }

.feedback-card {
    margin-top: 2rem;
    background-color: #e9ecef;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    text-align: center;
}
.feedback-card h4 { color: #555; margin-bottom: 0.5rem; }
.feedback-card p { color: #333; font-weight: 500; }
.feedback-card.good { background-color: #d4edda; }
.feedback-card.good p { color: #155724; }
.feedback-card.warning { background-color: #fff3cd; }
.feedback-card.warning p { color: #856404; }
.feedback-card.danger { background-color: #f8d7da; }
.feedback-card.danger p { color: #721c24; }

/* Stili Sezione Salute (Rifatti) */
.health-header {
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 1rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap; /* Va a capo su mobile */
    gap: 1rem;
    margin-bottom: 1.5rem;
}
.health-header h2 { margin: 0; }
#health-date { font-size: 1rem; border: 1px solid var(--border-color); border-radius: var(--border-radius); padding: 0.5rem; }

.form-card {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    margin-bottom: 1.5rem;
}
.form-card h4 { display: flex; align-items: center; gap: 0.5rem; color: var(--primary-color); margin-bottom: 1rem; }
.form-card h4 i { font-size: 1.2rem; }

.button-group, .segmented-control {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap; /* CORREZIONE: Permette ai pulsanti di andare a capo */
}
.button-group button, .segmented-control button {
    flex: 1 1 auto; /* CORREZIONE: Permette ai pulsanti di adattarsi e andare a capo */
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    background-color: #fff;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-size: 1.5rem;
    transition: all 0.2s ease;
}
.segmented-control button {
    font-size: 0.9rem;
    min-width: 80px; /* Larghezza minima per evitare che il testo si rompa */
}
.button-group button:hover, .segmented-control button:hover {
    background-color: #f4f7fc;
    border-color: var(--primary-color);
}
.button-group button.active, .segmented-control button.active {
    background-color: var(--primary-color);
    color: #fff;
    border-color: var(--primary-color);
}
.button-group button small { font-size: 0.7rem; }

/* Stili Sezione Allenatore */
.athlete-card {
    background-color: #fff;
    border-radius: var(--border-radius);
    padding: 1.5rem;
    box-shadow: var(--box-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.athlete-card:hover { transform: translateY(-5px); box-shadow: 0 6px 15px rgba(0,0,0,0.08); }
.athlete-card h3 { margin-bottom: 0.5rem; color: var(--primary-color); }
.athlete-card p { color: #666; margin-bottom: 1rem; }
.athlete-card-actions { margin-top: 1rem; display: flex; gap: 0.5rem; }

/* Stili Vista Dettaglio Atleta */
.detail-header { display: flex; align-items: center; gap: 1.5rem; margin-bottom: 1rem; }
.detail-header h2 { margin-bottom: 0; }
.profile-details {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin-bottom: 2rem;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    box-shadow: var(--box-shadow);
}
.profile-details p { margin: 0; }

/* Stili Sub-Navigazione Allenatore */
.sub-nav { display: flex; gap: 0.5rem; border-bottom: 2px solid var(--border-color); margin-bottom: 2rem; overflow-x: auto; }
.sub-nav-link { padding: 0.75rem 1.5rem; text-decoration: none; color: #555; font-weight: 500; border-bottom: 3px solid transparent; transition: all 0.3s ease; white-space: nowrap; }
.sub-nav-link:hover { color: var(--primary-color); }
.sub-nav-link.active { color: var(--primary-color); border-bottom-color: var(--primary-color); }

/* Stili Finestra Modale */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    display: flex; justify-content: center; align-items: center;
    z-index: 1000; animation: fadeIn 0.3s ease;
}
.modal-content {
    background-color: #fff; padding: 2rem; border-radius: var(--border-radius);
    box-shadow: 0 5px 15px rgba(0,0,0,0.3);
    width: 90%; max-width: 700px; position: relative;
    animation: slideIn 0.3s ease;
    max-height: 90vh;
    overflow-y: auto;
}
@keyframes slideIn { from { transform: translateY(-30px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.close-btn {
    position: absolute; top: 10px; right: 15px;
    font-size: 2rem; font-weight: bold; color: #aaa;
    background: none; border: none; cursor: pointer;
}
.close-btn:hover { color: #333; }
.modal-content h3 { margin-top: 0; margin-bottom: 1.5rem; color: var(--primary-color); }

/* Stili Report */
.report-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background-color: #fff;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}
.report-controls .btn.active {
    background-color: var(--primary-color-dark);
}

.report-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.report-card {
    background-color: #fff;
    padding: 1.5rem;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
}
.report-card h3 {
    margin-top: 0;
    margin-bottom: 1rem;
    color: var(--primary-color);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 0.5rem;
}
.report-card p { margin-bottom: 0.5rem; font-size: 1rem; }
.report-card p strong { color: #333; }

/* Stili aggiuntivi per la modale di performance */
.modal-content .form-card {
    background-color: #f8f9fa;
    padding: 1rem 1.5rem;
    border: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
}

.modal-content .form-card h4 {
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.form-grid-cardiac {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 1rem;
}

/* Responsive per Mobile */
@media (max-width: 992px) {
    .health-layout {
        grid-template-columns: 1fr; /* In colonna su tablet e mobile */
    }
}

@media (max-width: 768px) {
    .main-layout {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr auto;
        grid-template-areas:
            "header"
            "content"
            "nav";
    }
    .main-header { padding: 0.8rem 1rem; }
    .main-header h2 { font-size: 1.2rem; }
    .dashboard-nav {
        flex-direction: row;
        justify-content: space-around;
        padding: 0.5rem;
        border-right: none;
        border-top: 1px solid var(--border-color);
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        background-color: #fff;
        z-index: 100;
    }
    .nav-link { flex-direction: column; gap: 0.2rem; padding: 0.5rem; }
    .nav-link span { font-size: 0.7rem; }
    .main-content { padding: 1rem; padding-bottom: 80px; }

    /* Correzioni specifiche per la vista allenatore su mobile */
    .detail-header {
        flex-direction: column;
        align-items: flex-start;
    }
    .athlete-card-actions {
        flex-direction: column;
    }
    .athlete-card-actions .btn {
        width: 100%;
    }
}