/* =========================================================
   GESTIONALE GREYFOX - Stile principale
   =========================================================
   I colori --colore-primario e --colore-secondario vengono
   sovrascritti dinamicamente per ogni cliente (vedi layout_header.php)
   ========================================================= */

:root {
    --colore-primario: #2563eb;
    --colore-secondario: #1e293b;

    --bg-pagina: #f4f5f7;
    --bg-superficie: #ffffff;
    --bordo: #e2e4e9;
    --testo: #1c1f26;
    --testo-tenue: #6b7280;

    --ok: #16a34a;
    --attenzione: #d97706;
    --errore: #dc2626;

    --font-display: 'Space Grotesk', system-ui, sans-serif;
    --font-testo: 'Inter', system-ui, -apple-system, sans-serif;
    --font-dati: 'JetBrains Mono', 'Courier New', monospace;

    --raggio: 8px;
    --ombra: 0 1px 2px rgba(16, 24, 40, 0.06), 0 1px 3px rgba(16, 24, 40, 0.08);
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: var(--font-testo);
    background: var(--bg-pagina);
    color: var(--testo);
    font-size: 15px;
    line-height: 1.5;
}

h1, h2, h3 {
    font-family: var(--font-display);
    font-weight: 600;
    letter-spacing: -0.01em;
    margin: 0 0 0.5em 0;
}

a { color: var(--colore-primario); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- Layout generale: sidebar + contenuto ---------- */

.app-layout {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 240px;
    flex-shrink: 0;
    background: var(--colore-secondario);
    color: #fff;
    display: flex;
    flex-direction: column;
    transition: transform 0.2s ease;
}

.sidebar-logo {
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-logo img {
    max-height: 36px;
    max-width: 100%;
}

.sidebar-logo span {
    font-family: var(--font-display);
    font-weight: 600;
    font-size: 16px;
}

.sidebar-nav {
    flex: 1;
    padding: 12px 0;
}

.sidebar-nav a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 11px 20px;
    color: rgba(255,255,255,0.75);
    font-size: 14px;
    text-decoration: none;
    border-left: 3px solid transparent;
}

.sidebar-nav a:hover {
    background: rgba(255,255,255,0.06);
    color: #fff;
}

.sidebar-nav a.attivo {
    background: rgba(255,255,255,0.08);
    color: #fff;
    border-left-color: var(--colore-primario);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255,255,255,0.1);
    font-size: 13px;
    color: rgba(255,255,255,0.6);
}

.contenuto {
    flex: 1;
    min-width: 0;
    padding: 28px 32px;
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.topbar h1 { font-size: 22px; margin: 0; }

.utente-corrente {
    font-size: 14px;
    color: var(--testo-tenue);
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ---------- Componenti: card, tabelle, bottoni ---------- */

.card {
    background: var(--bg-superficie);
    border: 1px solid var(--bordo);
    border-radius: var(--raggio);
    box-shadow: var(--ombra);
    padding: 20px;
    margin-bottom: 20px;
}

.griglia-statistiche {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.statistica-numero {
    font-family: var(--font-dati);
    font-size: 28px;
    font-weight: 600;
}

.statistica-etichetta {
    font-size: 13px;
    color: var(--testo-tenue);
    margin-top: 4px;
}

table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

thead th {
    text-align: left;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    color: var(--testo-tenue);
    padding: 10px 12px;
    border-bottom: 2px solid var(--bordo);
}

tbody td {
    padding: 12px;
    border-bottom: 1px solid var(--bordo);
}

tbody tr:hover { background: #fafbfc; }

td.numero, td.codice { font-family: var(--font-dati); }

.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 16px;
    border-radius: var(--raggio);
    border: 1px solid transparent;
    background: var(--colore-primario);
    color: #fff;
    font-family: var(--font-testo);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
}

.btn:hover { filter: brightness(0.92); text-decoration: none; }

.btn-secondario {
    background: transparent;
    border-color: var(--bordo);
    color: var(--testo);
}

.btn-pericolo { background: var(--errore); }

/* Indicatore livello scorta: barra + colore in base a quanto è vicino al minimo */
.livello-scorta {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 110px;
}

.livello-scorta .barra {
    flex: 1;
    height: 6px;
    background: var(--bordo);
    border-radius: 3px;
    overflow: hidden;
}

.livello-scorta .barra-riempimento {
    height: 100%;
    border-radius: 3px;
}

.livello-scorta.critico .barra-riempimento { background: var(--errore); }
.livello-scorta.basso .barra-riempimento { background: var(--attenzione); }
.livello-scorta.ok .barra-riempimento { background: var(--ok); }

.badge {
    display: inline-block;
    padding: 3px 9px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 500;
}

.badge-ok { background: #dcfce7; color: #166534; }
.badge-attenzione { background: #fef3c7; color: #92400e; }
.badge-errore { background: #fee2e2; color: #991b1b; }

.form-gruppo { margin-bottom: 16px; }

.form-gruppo label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    margin-bottom: 6px;
}

.form-gruppo input,
.form-gruppo select,
.form-gruppo textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid var(--bordo);
    border-radius: var(--raggio);
    font-family: var(--font-testo);
    font-size: 14px;
}

.form-gruppo input:focus,
.form-gruppo select:focus,
.form-gruppo textarea:focus {
    outline: 2px solid var(--colore-primario);
    outline-offset: 1px;
}

.messaggio-errore {
    background: #fee2e2;
    color: #991b1b;
    padding: 12px 16px;
    border-radius: var(--raggio);
    margin-bottom: 16px;
    font-size: 14px;
}

.messaggio-successo {
    background: #dcfce7;
    color: #166534;
    padding: 12px 16px;
    border-radius: var(--raggio);
    margin-bottom: 16px;
    font-size: 14px;
}

/* ---------- Pagina di login ---------- */

.pagina-login {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--colore-secondario);
    padding: 20px;
}

.box-login {
    background: #fff;
    border-radius: var(--raggio);
    padding: 36px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.box-login .logo-login {
    text-align: center;
    margin-bottom: 24px;
}

.box-login .logo-login img { max-height: 50px; }

.box-login h1 {
    font-size: 18px;
    text-align: center;
    color: var(--testo-tenue);
    font-weight: 500;
}

/* ---------- Bottone menu mobile (nascosto su desktop) ---------- */

.btn-menu-mobile {
    display: none;
    background: none;
    border: none;
    font-size: 22px;
    cursor: pointer;
    color: var(--testo);
}

/* ---------- Responsive: sotto i 768px il menu diventa a scomparsa ---------- */

@media (max-width: 768px) {
    .sidebar {
        position: fixed;
        z-index: 100;
        height: 100%;
        transform: translateX(-100%);
    }

    .sidebar.aperta { transform: translateX(0); }

    .contenuto { padding: 20px 16px; }

    .btn-menu-mobile { display: block; }

    .griglia-statistiche { grid-template-columns: repeat(2, 1fr); }

    table { font-size: 13px; }

    thead { display: none; }

    table, tbody, tr, td { display: block; width: 100%; }

    tbody tr {
        border: 1px solid var(--bordo);
        border-radius: var(--raggio);
        margin-bottom: 12px;
        padding: 8px 0;
    }

    tbody td {
        border-bottom: none;
        padding: 6px 12px;
    }

    tbody td::before {
        content: attr(data-etichetta);
        font-weight: 600;
        display: inline-block;
        width: 110px;
        color: var(--testo-tenue);
        font-size: 12px;
    }
}

@media (prefers-reduced-motion: reduce) {
    * { transition: none !important; }
}