/* --- Assista Brand Variables --- */
:root {
    --assista-red: #C41E1E;
    --assista-dark-red: #9B1717;
    --assista-white: #FFFFFF;
    --assista-light-gray: #F5F5F5;
    --assista-text-dark: #2D3436;
    --assista-text-muted: #6C757D;
    --assista-border: #DEE2E6;
    --assista-shadow: 0 8px 40px rgba(0, 0, 0, 0.08);
    --assista-shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.12);
}

/* --- Full-screen centered layout --- */
.assista-auth-body {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #f0f2f5 0%, #e2e6ea 50%, #dfe3e8 100%);
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Helvetica Neue', Arial, sans-serif;
    margin: 0;
    padding: 0;
}

.assista-auth-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
    padding: 24px;
}

/* --- Auth card --- */
.assista-auth-card {
    background: var(--assista-white);
    border-radius: 16px;
    box-shadow: var(--assista-shadow);
    padding: 48px 40px 40px;
    width: 100%;
    max-width: 440px;
    transition: box-shadow 0.3s ease;
}

.assista-auth-card:hover {
    box-shadow: var(--assista-shadow-hover);
}

/* --- Logo --- */
.assista-auth-logo {
    display: block;
    margin: 0 auto 32px auto;
    max-width: 200px;
    height: auto;
}

/* --- Page title --- */
.assista-auth-title {
    text-align: center;
    color: var(--assista-text-dark);
    font-weight: 700;
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.assista-auth-subtitle {
    text-align: center;
    color: var(--assista-text-muted);
    font-size: 0.9rem;
    margin-bottom: 28px;
}

/* --- Form labels --- */
.assista-auth-card .form-label {
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--assista-text-dark);
    margin-bottom: 6px;
}

/* --- Form controls --- */
.assista-auth-card .form-control {
    border-radius: 10px;
    padding: 12px 16px;
    border: 1.5px solid var(--assista-border);
    font-size: 0.95rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
    background-color: #FAFBFC;
}

.assista-auth-card .form-control:focus {
    border-color: var(--assista-red);
    box-shadow: 0 0 0 3px rgba(196, 30, 30, 0.1);
    background-color: var(--assista-white);
}

.assista-auth-card .form-control::placeholder {
    color: #ADB5BD;
}

/* --- Input group (icon prefix) --- */
.assista-input-group {
    position: relative;
}

.assista-input-group .input-group-text {
    background: #FAFBFC;
    border: 1.5px solid var(--assista-border);
    border-right: none;
    border-radius: 10px 0 0 10px;
    color: var(--assista-text-muted);
    padding: 12px 14px;
}

.assista-input-group .form-control {
    border-left: none;
    border-radius: 0 10px 10px 0;
}

.assista-input-group:focus-within .input-group-text {
    border-color: var(--assista-red);
}

.assista-input-group:focus-within .form-control {
    border-color: var(--assista-red);
}

/* --- Brand primary button --- */
.btn-assista {
    background-color: var(--assista-red);
    border-color: var(--assista-red);
    color: var(--assista-white);
    border-radius: 10px;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 1rem;
    width: 100%;
    transition: all 0.2s ease;
    letter-spacing: 0.3px;
}

.btn-assista:hover,
.btn-assista:focus {
    background-color: var(--assista-dark-red);
    border-color: var(--assista-dark-red);
    color: var(--assista-white);
    box-shadow: 0 4px 16px rgba(196, 30, 30, 0.35);
    transform: translateY(-1px);
}

.btn-assista:active {
    transform: translateY(0);
    box-shadow: 0 2px 8px rgba(196, 30, 30, 0.3);
}

/* --- Outline button --- */
.btn-assista-outline {
    background-color: transparent;
    border: 1.5px solid var(--assista-red);
    color: var(--assista-red);
    border-radius: 10px;
    padding: 12px 24px;
    font-weight: 600;
    font-size: 1rem;
    width: 100%;
    transition: all 0.2s ease;
}

.btn-assista-outline:hover,
.btn-assista-outline:focus {
    background-color: var(--assista-red);
    color: var(--assista-white);
    box-shadow: 0 4px 16px rgba(196, 30, 30, 0.35);
}

/* --- Links --- */
.assista-auth-card a {
    color: var(--assista-red);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.assista-auth-card a:hover {
    color: var(--assista-dark-red);
    text-decoration: underline;
}

/* --- Checkbox --- */
.assista-auth-card .form-check-input:checked {
    background-color: var(--assista-red);
    border-color: var(--assista-red);
}

.assista-auth-card .form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(196, 30, 30, 0.15);
    border-color: var(--assista-red);
}

.assista-auth-card .form-check-label {
    font-size: 0.875rem;
    color: var(--assista-text-muted);
}

/* --- Footer --- */
.assista-auth-footer {
    text-align: center;
    margin-top: 24px;
    padding-top: 24px;
    border-top: 1px solid var(--assista-border);
    color: var(--assista-text-muted);
    font-size: 0.875rem;
}

/* --- Copyright --- */
.assista-auth-copyright {
    text-align: center;
    color: #ADB5BD;
    font-size: 0.8rem;
    margin-top: 24px;
}

/* --- Alerts / Messages --- */
.assista-alert-success {
    background-color: #D4EDDA;
    border: 1px solid #C3E6CB;
    color: #155724;
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    margin-bottom: 20px;
}

.assista-alert-info {
    background-color: #FFF3CD;
    border: 1px solid #FFEEBA;
    color: #856404;
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    margin-bottom: 20px;
}

/* --- Validation --- */
.field-validation-error,
.text-danger {
    color: var(--assista-red);
    font-size: 0.8rem;
    margin-top: 4px;
    display: block;
}

.input-validation-error {
    border-color: var(--assista-red) !important;
}

/* --- Divider --- */
.assista-divider {
    display: flex;
    align-items: center;
    margin: 20px 0;
    color: var(--assista-text-muted);
    font-size: 0.8rem;
}

.assista-divider::before,
.assista-divider::after {
    content: '';
    flex: 1;
    border-bottom: 1px solid var(--assista-border);
}

.assista-divider::before {
    margin-right: 12px;
}

.assista-divider::after {
    margin-left: 12px;
}

/* --- Responsive --- */
@media (max-width: 480px) {
    .assista-auth-card {
        padding: 32px 24px 28px;
        border-radius: 12px;
        margin: 0;
    }

    .assista-auth-logo {
        max-width: 160px;
        margin-bottom: 24px;
    }

    .assista-auth-title {
        font-size: 1.25rem;
    }

    .assista-auth-wrapper {
        padding: 16px;
    }
}

@media (max-width: 360px) {
    .assista-auth-card {
        padding: 24px 20px 20px;
    }
}