/* ============================================
   LOGIN PAGE — Light Theme
   Uses design-system vars from style.css
   Scoped entirely to .login-page
   ============================================ */

.login-page {
    --lp-bg: var(--color-bg);
    --lp-brand-bg: linear-gradient(
        160deg,
        var(--color-primary) 0%,
        var(--color-primary-dark) 100%
    );
    --lp-card-bg: var(--color-surface);
    --lp-card-border: var(--color-border);
    --lp-text: var(--color-text);
    --lp-muted: var(--color-text-muted);
    --lp-primary: var(--color-primary);
    --lp-primary-hover: var(--color-primary-dark);
    --lp-input-bg: var(--color-bg);
    --lp-input-border: var(--color-border);
    --lp-focus-ring: rgba(37, 99, 235, 0.25);
    --lp-danger: var(--color-danger);
}

/* --- Full-page reset --- */

.login-page {
    background-color: var(--lp-bg) !important;
    color: var(--lp-text);
}

.login-page .wrapper {
    display: flex;
    flex-direction: row;
    min-height: 100vh;
    padding: 0;
    margin: 0;
}

/* ============================================
   BRAND PANEL (left)
   ============================================ */

.login-brand-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: flex-start;
    width: 45%;
    min-height: 100vh;
    padding: 4rem 3.5rem;
    background: var(--lp-brand-bg);
    position: relative;
    overflow: hidden;
}

.login-brand-panel::before {
    content: '';
    position: absolute;
    top: -120px;
    right: -100px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.07);
    pointer-events: none;
}

.login-brand-panel::after {
    content: '';
    position: absolute;
    bottom: -80px;
    left: -60px;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    pointer-events: none;
}

.login-brand-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}

.login-brand-logo-img {
    display: block;
    width: auto;
    max-width: 240px;
    height: 40px;
    object-fit: contain;
    object-position: left center;
}

.login-brand-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.88);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.login-brand-tagline {
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.82);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 380px;
}

.login-brand-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.login-brand-features li {
    display: flex;
    align-items: center;
    gap: 0.875rem;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.82);
}

.login-feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.15);
    color: #fff;
    font-size: 1.1rem;
    flex-shrink: 0;
}

/* ============================================
   FORM PANEL (right)
   ============================================ */

.login-form-panel {
    width: 55%;
    min-height: 100vh;
    background-color: var(--lp-bg);
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--lp-card-bg);
    border: 1px solid var(--lp-card-border);
    border-radius: 16px;
    padding: 2.5rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.06), 0 2px 8px rgba(0, 0, 0, 0.04);
}

.login-card-title {
    font-size: 1.625rem;
    font-weight: 700;
    color: var(--lp-text);
    margin-bottom: 0.25rem;
}

.login-card-subtitle {
    font-size: 0.9rem;
    color: var(--lp-muted);
    margin-bottom: 2rem;
}

/* ============================================
   Login Fields — underline + stagger label
   ============================================ */

.kb-field {
    position: relative;
    margin-bottom: 2rem;
}

.kb-field__input {
    display: block;
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--lp-input-border);
    border-radius: 0;
    color: var(--lp-text);
    font-size: 16px;
    line-height: 1.35;
    font-family: inherit;
    font-weight: 500;
    padding: 0.75rem 0 0.5rem;
    outline: none;
    transition: border-color 0.2s ease;
    caret-color: var(--lp-primary);
    box-shadow: none;
}

.kb-field__input:focus {
    border-bottom-color: var(--lp-primary);
    box-shadow: none;
}

.kb-field__input:-webkit-autofill,
.kb-field__input:-webkit-autofill:hover,
.kb-field__input:-webkit-autofill:focus {
    -webkit-text-fill-color: var(--lp-text);
    -webkit-box-shadow: 0 0 0 1000px var(--lp-card-bg) inset;
    box-shadow: 0 0 0 1000px var(--lp-card-bg) inset;
    transition: background-color 9999s ease-in-out 0s;
}

.kb-field__input:-webkit-autofill ~ .kb-field__label span,
.kb-field__input:-webkit-autofill:focus ~ .kb-field__label span {
    transform: translateY(-1.5rem);
    color: var(--lp-primary);
}

.kb-field__label {
    position: absolute;
    top: 0.75rem;
    left: 0;
    pointer-events: none;
    display: flex;
    gap: 0;
}

.kb-field__label span {
    display: inline-block;
    color: var(--lp-muted);
    font-size: 1rem;
    transform: translateY(0);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                font-size 0.25s cubic-bezier(0.4, 0, 0.2, 1),
                color 0.25s ease;
}

.kb-field__input:focus ~ .kb-field__label span,
.kb-field__input:not(:placeholder-shown) ~ .kb-field__label span {
    transform: translateY(-1.5rem);
    font-size: 0.75rem;
    color: var(--lp-primary);
}

/* --- Password toggle --- */

.kb-field--password .kb-field__input { padding-right: 2.5rem; }

.kb-pass-toggle {
    position: absolute;
    top: 0.6rem;
    right: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    background: none;
    border: none;
    color: var(--lp-muted);
    cursor: pointer;
    padding: 0;
    outline: none !important;
}

.kb-pass-toggle:hover { color: var(--lp-primary); }

.kb-pass-toggle:focus-visible {
    outline: 2px solid var(--lp-focus-ring) !important;
    outline-offset: 2px;
}

/* ============================================
   Submit Button
   ============================================ */

.login-btn-submit {
    width: 100%;
    height: 48px;
    background-color: var(--lp-primary);
    border: none;
    border-radius: 12px;
    color: #fff;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.login-btn-submit:hover {
    background-color: var(--lp-primary-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.25);
}

.login-btn-submit:focus-visible {
    outline: 2px solid var(--lp-primary);
    outline-offset: 2px;
}

.login-btn-submit:active { transform: translateY(0); }

/* ============================================
   Login Alert
   ============================================ */

.login-alert {
    background: var(--color-danger-light);
    border: 1px solid rgba(220, 38, 38, 0.2);
    border-radius: 10px;
    color: var(--lp-danger);
    padding: 0.75rem 1rem;
    font-size: 0.875rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.login-alert i {
    font-size: 1rem;
    flex-shrink: 0;
}

/* ============================================
   SSO Divider + Button
   ============================================ */

.login-divider {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1.75rem 0;
    color: var(--lp-muted);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.login-divider::before,
.login-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--lp-input-border);
}

.login-btn-sso {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    width: 100%;
    height: 48px;
    background: transparent;
    border: 2px solid var(--lp-input-border);
    border-radius: 12px;
    color: var(--lp-text);
    font-size: 0.95rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s, color 0.2s, transform 0.15s, box-shadow 0.2s;
}

.login-btn-sso:hover {
    border-color: var(--lp-primary);
    color: var(--lp-primary);
    background: rgba(37, 99, 235, 0.04);
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
    text-decoration: none;
}

.login-btn-sso:active {
    transform: translateY(0);
}

.login-btn-sso i {
    font-size: 1.1rem;
}

/* ============================================
   Alt link — chat di test (PIN, senza login)
   ============================================ */

.login-card-altlink {
    margin-top: 1.25rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    text-align: center;
}

.login-card-altlink a {
    font-size: 0.8rem;
    color: var(--lp-muted, #6b7280);
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    transition: color 0.15s ease;
}

.login-card-altlink a:hover {
    color: var(--lp-primary, #2563eb);
    text-decoration: none;
}

.login-card-altlink i { font-size: 0.85rem; }

/* ============================================
   Animation — subtle entrance
   ============================================ */

@keyframes loginFadeUp {
    from { opacity: 0; transform: translateY(16px); }
    to   { opacity: 1; transform: translateY(0); }
}

.login-card { animation: loginFadeUp 0.5s ease-out; }

.login-brand-panel > * {
    animation: loginFadeUp 0.6s ease-out both;
}

.login-brand-panel > *:nth-child(2) { animation-delay: 0.08s; }
.login-brand-panel > *:nth-child(3) { animation-delay: 0.16s; }
.login-brand-panel > *:nth-child(4) { animation-delay: 0.24s; }

/* ============================================
   Responsive
   ============================================ */

@media (max-width: 992px) {
    .login-page .wrapper { flex-direction: column; }
    .login-brand-panel {
        width: 100%;
        min-height: auto;
        padding: 2.5rem 2rem 2rem;
    }
    .login-form-panel {
        width: 100%;
        min-height: auto;
        padding: 2rem 1rem 3rem;
    }
}

@media (max-width: 576px) {
    .login-brand-panel { padding: 2rem 1.5rem 1.5rem; }
    .login-brand-name { font-size: 1.35rem; }
    .login-brand-tagline { font-size: 0.95rem; margin-bottom: 1.5rem; }
    .login-card { padding: 2rem 1.5rem; }
}