/* LibriScol - Login Page Styles (stile homepage) */

.login-page {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0;
    padding: 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    background-attachment: fixed;
}

.login-page::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(37, 99, 235, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(5, 150, 105, 0.15) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.login-page .container {
    position: relative;
    z-index: 1;
    max-width: 520px;
    width: 100%;
    padding: 2rem;
}

.login-page .login-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.login-page .login-logo h1 {
    font-size: 3rem;
    font-weight: 700;
    color: #f8fafc;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    margin-bottom: 0.25rem;
}

.login-page .login-subtitle {
    font-size: 1.1rem;
    color: #94a3b8;
    font-weight: 400;
}

.login-page .btn-back-home {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    margin-bottom: 2rem;
    background: rgba(255, 255, 255, 0.95);
    color: #0f172a;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.login-page .btn-back-home:hover {
    background: #fff;
    color: #0f172a;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.3);
}

.login-page .login-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(10px);
}

.login-page .login-card legend {
    font-size: 1.5rem;
    font-weight: 600;
    color: #f8fafc;
    border: none;
    margin-bottom: 1.5rem;
    padding: 0;
}

.login-page .login-card label {
    font-size: 0.95rem;
    color: #94a3b8;
    font-weight: 500;
    margin-bottom: 0.5rem;
    display: block;
}

.login-page .login-card .form-control {
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 12px;
    padding: 0.75rem 1rem;
    font-size: 1rem;
    color: #0f172a;
}

.login-page .login-card .form-control:focus {
    border-color: #2563eb;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.3);
    outline: none;
}

.login-page .login-card .form-control::placeholder {
    color: #94a3b8;
}

.login-page .btn-primary {
    background: linear-gradient(145deg, #2563eb 0%, #1d4ed8 100%);
    border: none;
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    font-weight: 600;
    color: #fff;
    transition: all 0.3s ease;
}

/* Pulsante recupero password: testo leggibile con eventuale wrap */
.login-page .btn-recupero {
    white-space: normal;
    word-wrap: break-word;
    text-align: center;
    line-height: 1.3;
    min-height: 3rem;
    padding: 0.75rem 0.5rem;
}

.login-page .btn-primary:hover {
    background: linear-gradient(145deg, #3b82f6 0%, #2563eb 100%);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.5);
}

/* Variante Cliente - tonalità verde come homepage */
.login-page-cliente .btn-primary {
    background: linear-gradient(145deg, #059669 0%, #047857 100%);
}

.login-page-cliente .btn-primary:hover {
    background: linear-gradient(145deg, #10b981 0%, #059669 100%);
    box-shadow: 0 10px 30px -10px rgba(5, 150, 105, 0.5);
}

.login-page-cliente .login-card .form-control:focus {
    border-color: #059669;
    box-shadow: 0 0 0 3px rgba(5, 150, 105, 0.3);
}

.login-page fieldset {
    border: none;
    padding: 0;
    margin-bottom: 2rem;
}

.login-page fieldset:last-of-type {
    margin-bottom: 0;
}

.login-page .form-group {
    margin-bottom: 1.25rem;
}

.login-page .row {
    margin-left: -10px;
    margin-right: -10px;
}

.login-page .row [class*="col-"] {
    padding-left: 10px;
    padding-right: 10px;
}

.login-page .help-block,
.login-page .with-errors {
    color: #f87171;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.login-page .has-error .form-control {
    border-color: #f87171;
}

/* Messaggi alert visibili su sfondo scuro */
.login-page .alert {
    margin-top: 1rem;
    margin-bottom: 1rem;
}

.login-page .alert-success {
    background: rgba(16, 185, 129, 0.9);
    color: #fff;
    border-color: #059669;
}

.login-page .alert-danger {
    background: rgba(239, 68, 68, 0.9);
    color: #fff;
    border-color: #dc2626;
}

@media (max-width: 640px) {
    .login-page .login-logo h1 {
        font-size: 2.25rem;
    }
    
    .login-page .login-card {
        padding: 1.5rem;
    }
}