/* =========================================
   VARIABILI & RESET
   ========================================= */
:root {
    --verde-principale: #005029;
    --verde-hover: #006b38;
    --verde-chiaro: #e8f5e9;
    --bianco: #ffffff;
    --grigio-chiaro: #f4f6f8;
    --grigio-medio: #dee2e6;
    --grigio-scuro: #495057;
    --testo: #212529;
    --ombra: 0 2px 8px rgba(0,0,0,0.08);
    --ombra-hover: 0 4px 12px rgba(0,0,0,0.12);
    --raggio: 8px;
    --transizione: all 0.3s ease;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--grigio-chiaro);
    color: var(--testo);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* =========================================
   HEADER & LOGHI
   ========================================= */
.header {
    background-color: var(--verde-principale);
    color: var(--bianco);
    padding: 0.6rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.15);
    position: sticky;
    top: 0;
    z-index: 100;
    min-height: 110px; /* Altezza fissa per i loghi */
}

.header-left {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
}

.header-left h1 {
    font-size: 1.6rem;
    font-weight: 700;
    margin: 0;
    white-space: nowrap;
    color: var(--bianco);
    text-align: left;
}

.header-center {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    gap: 1.5rem;
    padding: 0 1rem;
}

.header-logo {
    height: auto;
    max-height: 90px; /* Sfrutta tutta l'altezza disponibile */
    width: auto;
    object-fit: contain;
    display: block;
}

.header-right {
    flex: 0 0 auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Logo sfondo pagina */
.logo-sfondo {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 70%; height: 70%;
    background-image: url('logo.png');
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
    opacity: 0.4;
    z-index: -1;
    pointer-events: none;
}

/* =========================================
   LAYOUT A 3 COLONNE
   ========================================= */
.page-layout {
    display: grid;
    grid-template-columns: 220px 1fr 220px;
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 1rem;
    align-items: start;
}

.sidebar-sponsor {
    background: var(--bianco);
    padding: 1.5rem;
    border-radius: var(--raggio);
    box-shadow: var(--ombra);
    position: sticky;
    top: 100px;
    z-index: 10;
}

.sidebar-sponsor h4 {
    text-align: center;
    color: var(--verde-principale);
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
    border-bottom: 2px solid var(--grigio-medio);
    padding-bottom: 0.5rem;
}

.sponsor-box {
    margin-bottom: 1.2rem;
    padding: 0.8rem;
    background: var(--grigio-chiaro);
    border-radius: var(--raggio);
    border: 1px solid transparent;
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 80px;
    transition: var(--transizione);
}

.sponsor-box:hover {
    border-color: var(--verde-principale);
    background: var(--bianco);
    transform: translateY(-2px);
    box-shadow: var(--ombra-hover);
}

.sponsor-box img {
    max-width: 100%;
    max-height: 70px;
    object-fit: contain;
}

.main-content { min-width: 0; }
.container { max-width: 100%; margin: 0; padding: 0; }

/* =========================================
   COMPONENTI & BOTTONI
   ========================================= */
.sezione {
    background-color: var(--bianco);
    border-radius: var(--raggio);
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--ombra);
    border-left: 5px solid var(--verde-principale);
}

.sezione h2 {
    color: var(--verde-principale);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--grigio-medio);
    font-size: 1.5rem;
    font-weight: 700;
}

.btn {
    display: inline-block;
    padding: 0.6rem 1.2rem;
    background-color: var(--bianco);
    color: var(--verde-principale);
    text-decoration: none;
    border-radius: var(--raggio);
    border: 2px solid transparent;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transizione);
    text-align: center;
}
.btn:hover { background-color: var(--grigio-medio); transform: translateY(-1px); }
.btn-verde { background-color: var(--verde-principale); color: var(--bianco); }
.btn-verde:hover { background-color: var(--verde-hover); color: var(--bianco); }
.btn-danger { background-color: #dc3545; color: var(--bianco); }
.btn-danger:hover { background-color: #c82333; }
.btn-small { padding: 0.4rem 0.8rem; font-size: 0.85rem; }

.alert { padding: 1rem; margin-bottom: 1.5rem; border-radius: var(--raggio); border-left: 4px solid; }
.alert-success { background-color: #d4edda; color: #155724; border-color: #28a745; }
.alert-error   { background-color: #f8d7da; color: #721c24; border-color: #dc3545; }

/* =========================================
   CLASSIFICHE & GIRONI
   ========================================= */
.torneo-section { margin-bottom: 3rem; }
.torneo-title {
    font-size: 1.8rem; color: var(--verde-principale); margin-bottom: 1.5rem;
    padding-bottom: 0.5rem; border-bottom: 3px solid var(--verde-principale);
    font-weight: 700; display: flex; align-items: center; gap: 0.5rem;
}

.girone-container {
    margin-top: 1.5rem; padding: 1.5rem;
    background-color: var(--grigio-chiaro); border-radius: var(--raggio);
    border-left: 4px solid var(--verde-principale);
}
.girone-container h3 {
    color: var(--grigio-scuro); margin-bottom: 1rem; font-size: 1.3rem;
    display: flex; align-items: center; gap: 0.5rem;
}
.girone-badge {
    background-color: var(--verde-principale); color: var(--bianco);
    padding: 0.2rem 0.8rem; border-radius: 20px; font-size: 0.9rem; font-weight: 600;
}

/* =========================================
   TABELLE (RIGHE COMPATTE)
   ========================================= */
.tabella {
    width: 100%; border-collapse: collapse; margin-top: 1rem;
    background: var(--bianco); border-radius: var(--raggio); overflow: hidden;
}

.tabella th, .tabella td {
    padding: 0.45rem 0.7rem;
    text-align: left;
    border-bottom: 1px solid var(--grigio-medio);
    line-height: 1.35;
    font-size: 0.95rem;
}

.tabella th {
    background-color: var(--verde-principale); color: var(--bianco);
    font-weight: 600; text-transform: uppercase; font-size: 0.8rem; letter-spacing: 0.5px;
}
.tabella tr:hover { background-color: rgba(0, 80, 41, 0.03); }

/* =========================================
   FORM & ADMIN
   ========================================= */
.form-group { margin-bottom: 1.5rem; }
.form-group label { display: block; margin-bottom: 0.5rem; color: var(--verde-principale); font-weight: 600; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 0.75rem; border: 2px solid var(--grigio-medio);
    border-radius: var(--raggio); font-size: 1rem; transition: var(--transizione); background-color: var(--bianco);
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: var(--verde-principale); box-shadow: 0 0 0 3px rgba(0, 80, 41, 0.15);
}
.input-score { width: 60px; text-align: center; font-size: 1.1rem; font-weight: bold; }

.nav-admin {
    background: var(--bianco); padding: 1rem; margin-bottom: 2rem;
    border-radius: var(--raggio); box-shadow: var(--ombra); display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.nav-admin a {
    color: var(--verde-principale); text-decoration: none; font-weight: 600; padding: 0.6rem 1rem;
    border-radius: var(--raggio); transition: var(--transizione); border: 1px solid transparent; font-size: 0.95rem;
}
.nav-admin a:hover { background-color: var(--verde-chiaro); border-color: var(--verde-principale); }

.login-container {
    max-width: 420px; margin: 5rem auto; background: var(--bianco); padding: 2.5rem;
    border-radius: var(--raggio); box-shadow: 0 8px 24px rgba(0,0,0,0.12);
}
.login-container h2 { text-align: center; color: var(--verde-principale); margin-bottom: 2rem; }

.sponsor-grid {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.5rem; margin-top: 1.5rem;
}
.sponsor-card {
    background: var(--bianco); border: 2px solid var(--grigio-medio); border-radius: var(--raggio);
    padding: 1.2rem; text-align: center; transition: var(--transizione);
}
.sponsor-card:hover { box-shadow: var(--ombra-hover); border-color: var(--verde-principale); }
.sponsor-card img { max-width: 100%; max-height: 100px; object-fit: contain; margin-bottom: 1rem; }
.badge-sinistra { background: #3498db; color: white; }
.badge-destra   { background: #e74c3c; color: white; }

/* Rendi i link sponsor puliti */
.sponsor-box a {
    display: block;
    text-decoration: none;
    outline: none;
}
.sponsor-box a:hover img {
    opacity: 0.8; /* Effetto hover leggero */
}
/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
    .page-layout { grid-template-columns: 1fr; gap: 1.5rem; padding: 1.5rem; }
    .sidebar-sponsor { position: static; order: -1; padding: 1rem; display: flex; flex-wrap: nowrap; overflow-x: auto; gap: 1rem; align-items: center; padding-bottom: 1rem; }
    .sidebar-sponsor h4 { margin-bottom: 0.5rem; border-bottom: none; }
    .sidebar-sponsor .sponsor-box { margin-bottom: 0; min-width: 120px; min-height: 60px; }
    .sidebar-sponsor .sponsor-box img { max-height: 50px; }
}

@media (max-width: 768px) {
    .header { 
        flex-direction: column; 
        min-height: auto; 
        padding: 1rem; 
        gap: 0.8rem; 
        text-align: center; 
    }
    .header-left { order: 2; }
    .header-center { order: 1; width: 100%; padding: 0; }
    .header-right { order: 3; margin-top: 0.5rem; width: 100%; justify-content: center; }
    .header-logo { max-height: 70px; }
    .nav-admin { flex-direction: column; }
    .nav-admin a { width: 100%; text-align: center; border-bottom: 1px solid var(--grigio-medio); padding: 1rem; }
    .tabella { display: block; overflow-x: auto; white-space: nowrap; }
    .sezione { padding: 1.5rem; }
    .torneo-title { font-size: 1.4rem; }
}
/* Stile pulsante La Mia Squadra */
.btn-orange-custom {
    background-color: #e67e22;
    color: #ffffff;
    font-weight: bold;
    padding: 1rem 2rem;
    border-radius: 50px;
    text-decoration: none;
    display: inline-block;
    transition: all 0.3s ease;
    box-shadow: 0 4px 10px rgba(230, 126, 34, 0.4);
}

.btn-orange-custom:hover {
    background-color: #d35400;
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(230, 126, 34, 0.6);
}