@import 'user/colors.css';

/* ============================
   1. RESET E BASE
   ============================ */
* {
    box-sizing: border-box;
}

/* FIX STABILITÀ: Forza la barra di scorrimento sempre visibile
   per evitare che l'header "salti" orizzontalmente quando si passa
   dalla Home (lunga) al Login (corto) */
html {
    overflow-y: scroll;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    /* Mantengo il grigio chiaro specifico del login per contrasto con il box bianco */
    background-color: var(--bg-body-alt);
    margin: 0;
    /* Font uniformato a quello del Main */
    font-family: 'Inter', sans-serif;
    color: var(--text-body);
}

/* ============================
   2. COMPONENTI UI (BOTTONI - Stile Main)
   ============================ */
.btn {
    padding: 10px 24px;
    border-radius: 6px;
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    line-height: 1.2;
}

.btn:hover { transform: translateY(-2px); }
.btn:active { transform: scale(0.98); }

.btn-outline {
    border: 1px solid var(--border-color);
    color: var(--text-heading);
    background: var(--color-white);
}
.btn-outline:hover { background-color: var(--bg-light); border-color: var(--border-color-hover); }

.btn-solid {
    background: var(--color-primary);
    color: var(--color-white);
    /* Fix altezza bordi identico al Main */
    border: 1px solid var(--color-primary);
    box-shadow: var(--shadow-btn-primary);
}
.btn-solid:hover {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    box-shadow: var(--shadow-btn-primary-hover);
}

/* ============================
   3. HEADER (Stile Main)
   ============================ */
.site-header {
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color-light);
    /* Cambiato da fixed a sticky per coerenza col Main */
    position: sticky;
    top: 0;
    /* FIX COLORE: Bianco solido (non trasparente) per evitare che il grigio
       dello sfondo del login alteri il colore dell'header rispetto alla Home */
    background: var(--color-white);
    z-index: 1000;
    margin: 0 auto;
    width: 100%;
}

.site-header .header-buttons {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo {
    display: flex;
    align-items: center;
    padding: 0;
    height: 50px;
}

.logo img {
    height: 100%;
    width: auto;
    display: block;
    object-fit: contain;
    border: none;
}

/* Nav links styles removed to rely on main.css and avoid overriding responsive hiding */

/* ============================
   4. LOGIN BOX
   ============================ */
.login-container {
    width: 100%;
    display: flex;
    justify-content: center;
    /* Rimosso margin-top: 70px perché sticky occupa spazio nel flusso */
    flex: 1;
    align-items: center;
    padding: 20px;
}

.login-box {
    width: 100%;
    max-width: 400px;
    background: var(--color-white);
    padding: 40px;
    border-radius: 8px;
    box-shadow: var(--shadow-login);
    text-align: center;
}

.logo-container {
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.logo-container .logo {
    max-width: 200px;
    height: auto;
}

.subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    margin-top: 10px;
}

/* Form Elements */
.input-group { margin-bottom: 20px; text-align: left; }
.input-group label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--text-body); font-size: 14px; }
.input-group input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    outline: none;
    transition: border-color 0.3s;
    font-family: inherit;
}
.input-group input:focus { border-color: var(--color-primary); }

.btn-login {
    width: 100%;
    padding: 14px;
    background-color: var(--color-primary); /* Aggiornato al blu del tema Main */
    border: none;
    border-radius: 6px;
    color: var(--color-white);
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: background-color 0.2s;
    margin-top: 10px;
}
.btn-login:hover { background-color: var(--color-primary-dark); }

.register-link { margin-top: 25px; font-size: 14px; color: var(--text-secondary); }
.register-link a { color: var(--color-primary); text-decoration: none; font-weight: 600; }
.register-link a:hover { text-decoration: underline; }

.alert { padding: 12px; margin-bottom: 20px; border-radius: 6px; text-align: left; font-size: 14px; }
.alert-danger { 
    background-color: var(--bg-alert-danger); 
    color: var(--text-danger); 
    border: 1px solid var(--border-alert-danger); 
    font-weight: 500;
}

.alert-danger p {
    margin: 5px 0;
    color: var(--text-danger);
}

.text-danger {
    color: var(--text-danger);
    font-size: 13px;
    margin-top: 5px;
    display: block;
    font-weight: 600;
}

/* ============================
   5. RESPONSIVE / MOBILE
   ============================ */

@media (max-width: 480px) {
    /* MANTENUTA LOGICA ORIGINALE LOGIN: Header ORA VISIBILE su mobile */
    .site-header {
        display: flex;
        padding: 10px 15px;
        align-items: center;
    }

    .site-header .header-buttons {
        display: none; /* Hide login/register buttons on very small screens inside header if space is tight? 
                          Or maybe keep them? The prompt implies "header doesn't disappear". 
                          Let's keep them but maybe simplify. */
        display: flex;
        gap: 5px;
        margin-right: 10px;
    }

    .site-header .header-buttons .btn {
        padding: 6px 12px;
        font-size: 13px;
    }
    
    .logo {
        height: 30px;
    }

    body {
        padding: 0;
        background-color: var(--color-white);
    }

    .login-container {
        margin-top: 0;
        padding: 0;
        align-items: stretch;
    }

    .login-box {
        width: 100%;
        max-width: none;
        min-height: calc(100vh - 60px); /* Adjust for header height */
        border-radius: 0;
        box-shadow: none;
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: 30px 20px;
    }

    .subtitle { font-size: 14px; }
    .input-group input { font-size: 16px; }
}

@media (max-width: 350px) {
    .site-header .header-buttons {
        display: none; /* Hide action buttons on extremely small screens to make room for logo and burger */
    }
    
    .mobile-menu-toggle {
        margin-left: auto;
    }
}