:root {
    --color-primary: #d33131;
    --color-primary-dark: #aa0808;
    --color-salud: #800080;
    --color-salud-dark: #4b004b;
    --color-salud-light: #e6d4e6;
    --color-light: #f5f5f5;
}

body {
    background-color: #f8f9fa;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-image: linear-gradient(rgba(255,255,255,0.9), rgba(255,255,255,0.9)), 
                      url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><rect width="100" height="100" fill="%23f8f9fa"/><path d="M20,20 Q50,5 80,20 T80,80 Q50,95 20,80 T20,20 Z" fill="%23e6d4e6" opacity="0.3"/></svg>');
    background-size: cover;
    background-position: center;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.login-container {
    width: 100%;
    max-width: 500px;
    padding: 2.5rem;
    background-color: white;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0,0,0,0.08);
    border-top: 5px solid var(--color-primary);
    animation: fadeIn 0.5s ease-in-out;
    transition: all 0.3s ease;
}

.login-container.salud {
    border-top-color: var(--color-salud);
    box-shadow: 0 10px 25px rgba(128, 0, 128, 0.15);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.login-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.school-logo {
    max-width: 200px;
    margin: 0 auto 1.5rem;
    display: block;
}

.form-control {
    padding: 12px 15px;
    border-radius: 8px;
    border: 1px solid #dee2e6;
    transition: all 0.3s;
}

.form-control:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 0.25rem rgba(211, 49, 49, 0.15);
}

.salud .form-control:focus {
    border-color: var(--color-salud);
    box-shadow: 0 0 0 0.25rem rgba(128, 0, 128, 0.15);
}

.btn-login {
    background-color: var(--color-primary);
    border: none;
    padding: 12px;
    font-weight: 600;
    letter-spacing: 0.5px;
    transition: all 0.3s;
    border-radius: 8px;
}

.salud .btn-login {
    background-color: var(--color-salud);
}

.btn-login:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.salud .btn-login:hover {
    background-color: var(--color-salud-dark);
}

.input-group-text {
    background-color: #f8f9fa;
    transition: all 0.3s;
}

.salud .input-group-text {
    background-color: var(--color-salud-light);
}

.alert {
    border-radius: 8px;
}

.footer-links {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    color: #6c757d;
}

.footer-links a {
    color: var(--color-primary);
    text-decoration: none;
    transition: all 0.2s;
}

.salud .footer-links a {
    color: var(--color-salud);
}

.footer-links a:hover {
    text-decoration: underline;
}

.password-toggle {
    cursor: pointer;
    transition: all 0.2s;
}

.password-toggle:hover {
    color: var(--color-primary);
}

.salud .password-toggle:hover {
    color: var(--color-salud);
}

.tipo-usuario {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    border-radius: 10px;
    overflow: hidden;
    background: #f8f9fa;
    padding: 5px;
}

.tipo-option {
    flex: 1;
    text-align: center;
    padding: 15px 10px;
    border-radius: 8px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all 0.3s;
    background: white;
}

.tipo-option:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.tipo-option.active {
    border-color: var(--color-primary);
    background-color: rgba(211, 49, 49, 0.05);
    box-shadow: 0 4px 8px rgba(211, 49, 49, 0.1);
}

.salud .tipo-option.active {
    border-color: var(--color-salud);
    background-color: rgba(128, 0, 128, 0.05);
    box-shadow: 0 4px 8px rgba(128, 0, 128, 0.1);
}

.tipo-option i {
    font-size: 28px;
    margin-bottom: 10px;
    color: #6c757d;
    transition: all 0.3s;
}

.tipo-option.active i {
    color: var(--color-primary);
}

.salud .tipo-option.active i {
    color: var(--color-salud);
}

.tipo-option .nombre {
    font-weight: 500;
    color: #495057;
    transition: all 0.3s;
}

.tipo-option.active .nombre {
    color: var(--color-primary);
    font-weight: 600;
}

.salud .tipo-option.active .nombre {
    color: var(--color-salud);
}

/* Manejo de campos de contraseña/DNI por tipo de usuario */
.campo-contrasena {
    display: none;
}

.salud .campo-dni {
    display: none;
}

.salud .campo-contrasena {
    display: block;
}

.welcome-text {
    text-align: center;
    margin-bottom: 10px;
    font-size: 1.8rem;
    font-weight: 600;
    color: #333;
}

.salud .welcome-text {
    color: var(--color-salud-dark);
}

.subtitle {
    text-align: center;
    color: #6c757d;
    margin-bottom: 30px;
    font-size: 1.1rem;
}