:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-color: #ecf0f1;
    --dark-color: #2c3e50;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --doctum-blue: #0056b3;
    --doctum-orange: #ff6b35;
    --success-green: #28a745;
    --error-red: #dc3545;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background-color: #f8fafc;
    color: var(--dark-color);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

.login-header {
    background: linear-gradient(135deg, var(--doctum-blue), #003366);
    color: white;
    padding: 1.5rem 1rem;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.login-header h1 {
    font-size: 2rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
}

.login-header p {
    font-weight: 300;
    opacity: 0.9;
    font-size: 0.95rem;
}

.login-container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
}

.login-card {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    width: 100%;
    max-width: 450px;
    box-shadow: var(--shadow);
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
}

.login-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--doctum-blue), var(--doctum-orange));
}

.login-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.login-logo img {
    height: 80px;
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.login-logo img:hover {
    transform: scale(1.05);
}

.login-logo h2 {
    color: var(--doctum-blue);
    font-weight: 500;
    font-size: 1.5rem;
}

.alert {
    padding: 0.75rem 1.25rem;
    margin-bottom: 1.5rem;
    border-radius: 6px;
    font-size: 0.9rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    animation: fadeIn 0.3s ease-in-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background-color: rgba(40, 167, 69, 0.15);
    border-left: 4px solid var(--success-green);
    color: var(--success-green);
}

.alert-danger {
    background-color: rgba(220, 53, 69, 0.15);
    border-left: 4px solid var(--error-red);
    color: var(--error-red);
}

.btn-close {
    background: none;
    border: none;
    color: inherit;
    font-size: 1.25rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.btn-close:hover {
    opacity: 1;
}

.form-group {
    margin-bottom: 1.5rem;
    position: relative;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--primary-color);
    font-size: 0.95rem;
}

.form-control {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 1rem;
    transition: all 0.3s;
}

.form-control:focus {
    outline: none;
    border-color: var(--doctum-blue);
    box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.1);
}

.password-toggle {
    position: absolute;
    right: 10px;
    top: 38px;
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
}

.btn-login {
    background: linear-gradient(135deg, var(--doctum-blue), var(--secondary-color));
    color: white;
    border: none;
    padding: 0.9rem;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
    font-size: 1rem;
    margin-top: 0.5rem;
    letter-spacing: 0.5px;
}

.btn-login:hover {
    background: linear-gradient(135deg, #004494, #2980b9);
    box-shadow: 0 4px 12px rgba(41, 128, 185, 0.3);
}

.login-footer {
    text-align: center;
    margin-top: 2rem;
    color: #666;
    font-size: 0.9rem;
    line-height: 1.5;
}

.login-footer a {
    color: var(--doctum-blue);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.login-footer a:hover {
    color: #003366;
    text-decoration: underline;
}

.senha-toggle {
    position: absolute;
    right: 10px;
    top: 70%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #777;
}

@media (max-width: 768px) {
    .login-card {
        padding: 2rem;
    }

    .login-header h1 {
        font-size: 1.8rem;
    }
}

@media (max-width: 480px) {
    .login-container {
        padding: 1rem;
    }

    .login-card {
        padding: 1.5rem;
    }

    .login-logo img {
        height: 70px;
    }
}

/* Non-critical styles */
.password-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    color: #666;
}

/* Accessibility focus styles */
:focus-visible {
    outline: 2px solid #0056b3;
    outline-offset: 2px;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: #0056b3;
    color: white;
    padding: 8px;
    z-index: 100;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 0;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .login-card {
        padding: 1.5rem;
    }
}