/* login.css */

.auth-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
    background: transparent;
}

.auth-card {
    width: 100%;
    max-width: 440px;
    background: var(--surface);
    border-radius: var(--radius-l);
    overflow: hidden;
    box-shadow: none;
    border: 1px solid var(--outline);
}

.auth-header {
    padding: 24px;
    text-align: center;
    background: transparent;
    color: var(--on-surface);
    border-bottom: 1px solid var(--outline);
}

.auth-header h1 {
    font-weight: 500;
    margin-bottom: 8px;
}

.auth-header p {
    opacity: 1;
    margin-bottom: 0;
    color: var(--on-surface-variant);
}

.auth-tabs {
    display: flex;
    border-bottom: 1px solid var(--outline);
    background: var(--surface-container-low);
}

.auth-tab {
    flex: 1;
    padding: 16px;
    text-align: center;
    background: none;
    border: none;
    font-size: 14px;
    font-weight: 500;
    color: var(--on-surface-variant);
    cursor: pointer;
    position: relative;
    transition: color 0.2s, background-color 0.2s;
}

.auth-tab.active {
    color: var(--primary);
}

.auth-tab.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--primary);
    border-radius: 3px 3px 0 0;
}

.auth-form {
    padding: 24px 32px;
    display: none;
}

.auth-form.active {
    display: block;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--on-surface);
    font-size: 14px;
}

/* Stili per campi input normali (usati in registrazione) */
.input-container {
    position: relative;
    display: flex;
    align-items: center;
}

.input-container .material-icons {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: var(--on-surface-variant);
    pointer-events: none;
}

.input-container .material-icons:first-child {
    left: 16px;
}

.input-container .material-icons:last-child {
    right: 16px;
    cursor: pointer;
    pointer-events: auto;
    transition: color 0.2s;
}

.input-container .material-icons:last-child:hover {
    color: var(--primary);
}

.input-container input {
    width: 100%;
    padding: 14px 48px 14px 48px;
    border: 1px solid var(--outline);
    border-radius: var(--radius-s);
    background: var(--surface-container-low);
    color: var(--on-surface);
    font-size: 16px;
    transition: border 0.2s, box-shadow 0.2s;
}

.input-container input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
    background: var(--surface);
}

/* NUOVI STILI: Per il contenitore di upload file */
.file-upload-container {
    position: relative;
    width: 100%;
}

.file-upload-container input[type="file"] {
    /* Nascondi completamente l'input file di default */
    opacity: 0;
    position: absolute;
    top: 0; left: 0;
    width: 100%; height: 100%;
    cursor: pointer;
}

.file-upload-label {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 24px;
    border: 2px dashed var(--outline);
    border-radius: var(--radius-s);
    background: var(--surface-container-low);
    color: var(--on-surface-variant);
    cursor: pointer;
    transition: background-color 0.2s, border-color 0.2s;
    text-align: center;
}

.file-upload-label:hover {
    background-color: var(--surface-container);
    border-color: var(--primary);
}

.file-upload-label .material-icons {
    margin-right: 12px;
    font-size: 24px;
    transition: color 0.2s;
}

.file-upload-label:hover .material-icons {
    color: var(--primary);
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-s);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    width: 100%;
    transition: background-color 0.2s, box-shadow 0.2s;
    display: block;
    margin-top: 10px;
}

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

.btn.primary:hover {
    background: #1b66c9;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.auth-footer {
    margin-top: 24px;
    text-align: center;
    color: var(--on-surface-variant);
    font-size: 14px;
}

/* Stili per radio button (usati in registrazione) */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
    background: var(--surface-container-low);
    padding: 14px;
    border-radius: var(--radius-s);
    border: 1px solid var(--outline-variant);
}

.radio-group label {
    display: flex;
    align-items: center;
    cursor: pointer;
    font-weight: 400;
    color: var(--on-surface-variant);
    font-size: 14px;
    margin: 0;
}

.radio-group label:hover {
    color: var(--on-surface);
}

.radio-group input[type="radio"] {
    margin-right: 12px;
    accent-color: var(--primary);
    width: 18px;
    height: 18px;
}

.form-hint {
    font-size: 12px;
    color: var(--on-surface-variant);
    margin-top: 8px;
    padding-left: 4px;
}